![Daikin EWAD850BJYNN/A [235/346] Exv pre opening](/img/pdf.png)
Daikin EWAD850BJYNN/A [235/346] Exv pre opening
![Daikin EWAD850BJYNN/A [235/346] Exv pre opening](/views2/1660213/page235/bgeb.png)
ESIE07-04 Functional Control
Part 2 – Functional Description 2–95
3
2
4
5
1
3.15 EXV Pre Opening
Function
description
Because the unit stops with a pump down, it will restart with a pre-purge (opening - closing of the
expansion valve).
At start up the valve will open (up to 50%) and close to the evaporator with a certain amount of liquid.
EXV PreOpening
50 %
Содержание
- Service manual 1
- General outline 3
- Introduction 3
- Part 1 system outline 3
- Table of contents 3
- Operation range 5
- Part 2 functional description 5
- The digital controller 5
- Checking the inputs and outputs 6
- Functional control 6
- Overview of fault indications and safeties 6
- Part 3 troubleshooting 6
- Procedure for software upload download 7
- Procedure for the changing and configuration of the display 7
- Procedure for the changing and configuration of the pco² i o board 7
- Procedure for the changing of the electronic expansion valve driver 7
- Procedure to clear the refrigerant circuit in case of frozen evaporators 7
- Procedure to protect compressor in case of frozen evaporator 7
- Manual upload or download control test procedure 8
- Part 4 commissioning and test run 8
- Pre test run checks 8
- Prestart system checklist 8
- Procedure for the changing and configuration of the expansion i o board optional ì 8
- Troubleshooting chart 8
- Maintenance 9
- Part 5 maintenance 9
- About this manual 11
- Introduction 11
- Part 0 11
- Introduction esie 07 04 12
- Nomenclature 12
- Part 1 system outline 13
- General outline 15
- Part 1 15
- What is in this chapter 15
- 6 part 1 system outline 18
- General outline esie07 04 18
- Technical specifications ewad bjynn 18
- Technical specifications the table below contains the technical specifications 18
- Esie07 04 general outline 19
- Part 1 system outline 1 7 19
- 8 part 1 system outline 20
- General outline esie07 04 20
- Technical specifications ewad bjynn with oprn 20
- Technical specifications the table below contains the technical specifications 20
- Esie07 04 general outline 21
- Part 1 system outline 1 9 21
- 10 part 1 system outline 22
- General outline esie07 04 22
- Technical specifications ewad bjynn with opln 22
- Technical specifications the table below contains the technical specifications 22
- Esie07 04 general outline 23
- Part 1 system outline 1 11 23
- 12 part 1 system outline 24
- General outline esie07 04 24
- Technical specifications ewad bjynn q 24
- Technical specifications the table below contains the technical specifications 24
- Esie07 04 general outline 25
- Part 1 system outline 1 13 25
- 14 part 1 system outline 26
- General outline esie07 04 26
- Technical specifications ewad bjynn a 26
- Technical specifications the table below contains the technical specifications 26
- Esie07 04 general outline 27
- Part 1 system outline 1 15 27
- 16 part 1 system outline 28
- General outline esie07 04 28
- Technical specifications ewad bjynn a with oprn 28
- Technical specifications the table below contains the technical specifications 28
- Esie07 04 general outline 29
- Part 1 system outline 1 17 29
- 18 part 1 system outline 30
- General outline esie07 04 30
- Technical specifications ewad bjynn a with opln 30
- Technical specifications the table below contains the technical specifications 30
- Esie07 04 general outline 31
- Part 1 system outline 1 19 31
- 20 part 1 system outline 32
- General outline esie07 04 32
- Technical specifications ewad bjynn z 32
- Technical specifications the table below contains the technical specifications 32
- Electrical specifications ewad bjynn 33
- Electrical specifications the tabel below contains the electrical specifications 33
- Esie07 04 general outline 33
- Part 1 system outline 1 21 33
- 22 part 1 system outline 34
- Electrical specifications ewad bjynn with oprn 34
- Electrical specifications the tabel below contains the electrical specifications 34
- General outline esie07 04 34
- Electrical specifications ewad bjiynn with opln 35
- Electrical specifications the table below contains the electrical specifications 35
- Esie07 04 general outline 35
- Part 1 system outline 1 23 35
- 24 part 1 system outline 36
- Electrical specifications ewad bjynn q 36
- Electrical specifications the table below contains the electrical specifications 36
- General outline esie07 04 36
- Electrical specifications ewad bjynn a 37
- Electrical specifications the table below contains the electrical specifications 37
- Esie07 04 general outline 37
- Part 1 system outline 1 25 37
- 26 part 1 system outline 38
- Electrical specifications ewad bjynn a with oprn 38
- Electrical specifications the table below contains the electrical specifications 38
- General outline esie07 04 38
- Electrical specifications ewad bjynn a with opln 39
- Electrical specifications the table below contains the electrical specifications 39
- Esie07 04 general outline 39
- Part 1 system outline 1 27 39
- 28 part 1 system outline 40
- Electrical specifications ewad bjynn z 40
- Electrical specifications the table below contains the electrical specifications 40
- General outline esie07 04 40
- Altitude correction factors the table below gives the altitude correction factors 41
- Correction factors 41
- Esie07 04 general outline 41
- Ethylene glycol and low ambient temperature correction factors 41
- Evaporator fouling factors the table below gives the evaporator fouling factors 41
- Low temperature operation performance factors 41
- Part 1 system outline 1 29 41
- The table below gives the ethylene glycol and low ambient temperature correction factors 41
- The table below gives the low temperature operation performance factors 41
- 30 part 1 system outline 42
- General outline esie07 04 42
- Outlook drawing ewad550bjynn q 42
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 42
- 32 part 1 system outline 44
- General outline esie07 04 44
- Outlook drawing ewad600bjynn q 44
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 44
- 34 part 1 system outline 46
- General outline esie07 04 46
- Outlook drawing ewad600bjynn q optp 46
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 46
- 36 part 1 system outline 48
- General outline esie07 04 48
- Outlook drawing ewad700bjynn ewad700bjynn oprn and ewad700bjynn opln 48
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 48
- 38 part 1 system outline 50
- General outline esie07 04 50
- Outlook drawing ewad700bjynn optp ewad700bjynn oprn optp and ewad700bjynn opln optp 50
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 50
- 40 part 1 system outline 52
- General outline esie07 04 52
- Outlook drawing ewad700bjynn a ewad700bjynn a oprn and ewad700bjynn a opln 52
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 52
- 42 part 1 system outline 54
- General outline esie07 04 54
- Outlook drawing ewad700bjynn q and ewad650bjynn z 54
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 54
- 44 part 1 system outline 56
- General outline esie07 04 56
- Outlook drawing ewad750bjynn q and ewad700bjynn z 56
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 56
- 46 part 1 system outline 58
- General outline esie07 04 58
- Outlook drawing ewad750bjynn q opsp 58
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 58
- 48 part 1 system outline 60
- General outline esie07 04 60
- Outlook drawing ewad800 850bjynn q 60
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 60
- 50 part 1 system outline 62
- General outline esie07 04 62
- Outlook drawing ewad800bjynn a ewad800bjynn a oprn and ewad800bjynn a opln 62
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 62
- 52 part 1 system outline 64
- General outline esie07 04 64
- Outlook drawing ewad850bjynn ewad850bjynn oprn and ewad850bjynn opln 64
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 64
- 54 part 1 system outline 66
- General outline esie07 04 66
- Outlook drawing ewad850bjynn a ewad850bjynn a oprn and ewad850bjynn a opln 66
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 66
- 56 part 1 system outline 68
- General outline esie07 04 68
- Outlook drawing ewad850bjynn a optp ewad850bjynn a oprn optp ewad850bjynn a opln optp ewad900bjynn a optp ewad900bjynn a oprn optp and ewad900bjynn a opln optp 68
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 68
- 58 part 1 system outline 70
- General outline esie07 04 70
- Outlook drawing ewad900 950bjynn q and ewad850bjynn z 70
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 70
- 60 part 1 system outline 72
- General outline esie07 04 72
- Outlook drawing ewad900bjynn ewad900bjynn oprn a nd ewad900bjynn opln 72
- Outlook drawing ewad900bjynn ewad900bjynn oprn and ewad900bjynn opln 72
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 72
- 62 part 1 system outline 74
- General outline esie07 04 74
- Outlook drawing ewad900bjynn oppr ewad900bjynn oppr oprn and ewad900bjynn oppr opln 74
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 74
- 64 part 1 system outline 76
- General outline esie07 04 76
- Outlook drawing ewad900bjynn a ewad900bjynn a oprn and ewad900bjynn a opln 76
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 76
- 66 part 1 system outline 78
- General outline esie07 04 78
- Outlook drawing ewad900bjynn a oppr ewad900bjynn a oprn oppr and ewad900bjynn a opln oppr 78
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 78
- 68 part 1 system outline 80
- General outline esie07 04 80
- Outlook drawing ewad950bjynn ewad950bjynn oprn and ewad950bjynn opln 80
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 80
- 70 part 1 system outline 82
- General outline esie07 04 82
- Outlook drawing ewad950bjynn opsp ewad950bjynn oprn opsp and ewad950bjynn opln opsp 82
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 82
- 72 part 1 system outline 84
- General outline esie07 04 84
- Outlook drawing ewad950bjynn a ewad950bjynn a oprn and ewad950bjynn a opln 84
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 84
- 74 part 1 system outline 86
- General outline esie07 04 86
- Outlook drawing ewad950bjynn a otpt ewad950bjynn a oprn optp and ewad950bjynn a opln optp 86
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 86
- 76 part 1 system outline 88
- General outline esie07 04 88
- Outlook drawing ewad950bjynn z and ewadc11bjynn q 88
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 88
- 78 part 1 system outline 90
- General outline esie07 04 90
- Outlook drawing ewadc10bjynn a ewadc10bjynn a oprn and ewadc10bjynn a opln 90
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 90
- 80 part 1 system outline 92
- General outline esie07 04 92
- Outlook drawing ewadc10bjynn a opsp ewadc10bjynn a oprn opsp and ewadc10bjynn a opln opsp 92
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 92
- 82 part 1 system outline 94
- General outline esie07 04 94
- Outlook drawing ewadc10bjynn z c12bjynn q 94
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 94
- 84 part 1 system outline 96
- General outline esie07 04 96
- Outlook drawing ewadc10 c11bjynn ewadc10 c11bjynn oprn and ewadc10 c11bjynn opln 96
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 96
- 86 part 1 system outline 98
- General outline esie07 04 98
- Outlook drawing ewadc11bjynn and ewad900bjynn z 98
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 98
- 88 part 1 system outline 100
- General outline esie07 04 100
- Outlook drawing ewadc11 c12bjynn a ewadc11 c12bjynn a oprn ewadc11 c12bjynn a opln ewadc12 c13bjynn ewadc12 c13bjynn oprn and ewadc12 c13bjynn opln 100
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 100
- 90 part 1 system outline 102
- General outline esie07 04 102
- Outlook drawing ewadc13bjynn a ewadc13bjynn a oprn and ewadc13bjynn a opln 102
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 102
- 92 part 1 system outline 104
- General outline esie07 04 104
- Outlook drawing ewadc14bjynn a ewadc14bjynn a oprn and ewadc14bjynn a opln 104
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 104
- 94 part 1 system outline 106
- General outline esie07 04 106
- Outlook drawing ewadc14bjynn a opsp ewadc14bjynn a oprn opsp and ewadc14bjynn a opln opsp 106
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 106
- 96 part 1 system outline 108
- General outline esie07 04 108
- Outlook drawing ewadc15bjynn a ewadc15bjynn a oprn and ewadc15bjynn a opln 108
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 108
- 98 part 1 system outline 110
- General outline esie07 04 110
- Outlook drawing ewadc16bjynn ewadc16bjynn oprn and ewadc16bjynn opln 110
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 110
- 100 part 1 system outline 112
- General outline esie07 04 112
- Outlook drawing ewadc16bjynn a ewadc16bjynn a oprn and ewadc16bjynn a opln 112
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 112
- 102 part 1 system outline 114
- General outline esie07 04 114
- Outlook drawing ewadc17bjynn a ewadc17bjynn a oprn and ewadc17bjynn a opln 114
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 114
- 104 part 1 system outline 116
- General outline esie07 04 116
- Outlook drawing ewadc17bjynn a optr ewadc17bjynn a oprn optr and ewadc17bjynn a opln optr 116
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 116
- 106 part 1 system outline 118
- General outline esie07 04 118
- Outlook drawing ewadc18bjynn a ewadc18bjynn a oprn and ewadc18bjynn a opln 118
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 118
- 108 part 1 system outline 120
- General outline esie07 04 120
- Outlook drawing ewadc19bjynn a ewadc19bjynn a oprn and ewadc19bjynn a opln 120
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 120
- 110 part 1 system outline 122
- General outline esie07 04 122
- Outlook drawing ewadc20bjynn a ewadc20bjynn a oprn and ewadc20bjynn a opln 122
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 122
- 112 part 1 system outline 124
- General outline esie07 04 124
- Outlook drawing ewadc21bjynn a ewadc21bjynn a oprn and ewadc21bjynn a opln 124
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 124
- 114 part 1 system outline 126
- General outline esie07 04 126
- Outlook drawing ewad600bjynn z 126
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 126
- 116 part 1 system outline 128
- General outline esie07 04 128
- Outlook drawing ewad650bjynn ewad650bjynn oprn and ewad650bjynn opln 128
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 128
- 118 part 1 system outline 130
- General outline esie07 04 130
- Outlook drawing ewad650bjynn optp ewad650bjynn oprn optp and ewad650bjynn opln optp 130
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 130
- 120 part 1 system outline 132
- General outline esie07 04 132
- Outlook drawing ewad650bjynn a ewad650bjynn a oprn and ewad650bjynn a opln 132
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 132
- 122 part 1 system outline 134
- General outline esie07 04 134
- Outlook drawing ewad650bjynn a opsp ewad650bjynn a opsp oprn and ewad650bjynn a opsp opln 134
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 134
- 124 part 1 system outline 136
- General outline esie07 04 136
- Outlook drawing ewad650bjynn q 136
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 136
- 126 part 1 system outline 138
- General outline esie07 04 138
- Outlook drawing ewad650bjynn q optp 138
- The illustration below shows the outlook the dimensions and the installation and service space of the unit mm 138
- Part 2 functional description 141
- Operation range 143
- Part 2 143
- What is in this chapter 143
- Operational range ewad bjynn 144
- Standard unit 144
- With fanspeed control device opfs 144
- With low ambient operation opla 144
- Operational range ewad bjynn with option oprn opln 145
- Standard unit 145
- With fanspeed control device opfs 145
- With low ambient operation opla 145
- Operational range ewad bjynn q 146
- Operational range ewad bjynn a 147
- Standard unit 147
- With fanspeed control device opfs 147
- With low ambient operation opla 147
- Operational range ewad bjynn a with option oprn opln 148
- Standard unit 148
- With fanspeed control device opfs 148
- With low ambient operation opla 148
- Operational range ewad bjynn z 149
- Part 2 151
- The digital controller 151
- What is in this chapter 151
- System architecture 152
- Control panel 153
- Costumer interfaces 153
- Main board 154
- Eexv valve driver 156
- Meaning of the driver eexv status leds 158
- Pco expansion 159
- Addressing of plan rs485 161
- Display and keypad 162
- Cooling staging xxx 163
- General description 163
- Gg mm aa sat hh mm 163
- Stp source local 163
- Unit status 163
- Keypad keys and their functions 164
- Cooling staging xx 167
- Dd mm yy sat hh mm 167
- Main menu 167
- Stp source local 167
- Unit status 167
- Demand limit xx 168
- Ent evap 00 c 168
- Lvg evap 00 c 168
- Unit limiting 168
- Water temperatures 168
- Comp 01 169
- Cond press 00 bar g 169
- Cond temp 00 c 169
- Evap press 00 bar g 169
- Evap temp 00 c 169
- Status off ready 169
- Compressor off 170
- Deliv superheat 00 c 170
- Staging down 170
- Staging fixed 170
- Staging up 170
- Suct superheat 00 c 170
- Suction temp 00 c 170
- Valve position 0000 170
- Lvg evap 1 00 c 171
- Lvg evap 2 00 c 171
- Water temperatures 171
- Insert 172
- Lvg water temp 172
- Setpoint reset 172
- User menu 172
- User password 172
- Chlwt return reset 173
- Chlwt setpoint 173
- Enable double 173
- Enable soft load y 173
- Max reset 03 c 173
- Max stage 50 173
- Max time 020 min 173
- Override limits 173
- Set diff 3 c 173
- Setpoint n y 173
- Start dt 03 c 173
- C 1 1st c 2 2nd 174
- C 3 3rd c 4 4th 174
- Compressors 174
- Current limit set 174
- Max curr 174
- Sequencing 174
- Set compressor stage 174
- Unit limiting 174
- Autorestart after 175
- Delay on switching 175
- On off n 175
- Power failure y 175
- Pump fan and comp 175
- Supervisory remote 175
- The main pump off 175
- Time between main 175
- 00 00 00 00 00 176
- 00 00 000 00 00 176
- Enable time 176
- Holidays 1 or 2 176
- Mon fri 00 00 23 59 176
- On external alarm y 176
- Reset type auto 176
- Sat 00 00 23 59 176
- Scheduling y 176
- Start stop 176
- Sun 00 00 23 59 176
- Switch off unit 176
- Communication csc 177
- Communication supervisor 177
- Identificat no 001 177
- On comm loss local alarm 177
- Protocol 177
- Supervisor com speed 177
- Change user password 178
- Choose language 178
- English 178
- Identificat no 001 178
- Protocol carel 178
- Rs485 only 178
- Supervisor com speed 178
- Actual setpoint cooling 08 c 179
- Cooling double setpoint 04 c 179
- Cooling setpoint 07 c 179
- Setting menu 179
- C c c c c c c c c c c c c c c c c c c c c c 180
- Code air 180
- Digital inputs 180
- Digital outputs 180
- Do 1 economizer 1 n 180
- Do 2 economizer 2 n 180
- Do 3 economizer 3 n 180
- Do 4 economizer 4 n 180
- I o exp e 180
- Input output menu 180
- O o o o o o o o o o o o o o o o o o o o o o 180
- V 21 07 13 10 06 180
- Analog inputs 181
- B1 oil pr 1 00 bar 181
- B2 oil pr 00 bar 181
- B3 00 ma 181
- B4 del tem 1 00 c 181
- B5 del tem 2 00 c 181
- B6 cond pr 1 00 bar 181
- B7 cond pr 2 00 bar 181
- B8 00 ma 181
- B9 in wtr 00 c 181
- B9 out wtr 00 c 181
- Analog outputs 182
- Max stage 50 182
- Max time 020 min 182
- Rem time 000 min 182
- Soft load off 182
- Y1 00 v 182
- Y2 00 v 182
- Y4 00 v 182
- Y5 00 v 182
- Bios date 18 05 05 183
- Bios version 003 4 183
- Boot date 15 04 02 183
- Boot version 003 1 183
- Driver firmware version c 1 183
- Driver firmware version c 2 183
- H w 000 183
- S w 000 183
- Economizer off 075 184
- Economizer on 090 184
- Electronic gas type 184
- En economizer n y 184
- Expansion valve 184
- Manufacturer menu 184
- Comp start 0120 s 185
- Comp start 0600 s 185
- Compressors config 185
- Derivative time 060 s 185
- Diff 05 c 185
- Economizer motor protection 185
- Integral time 200 s 185
- Min t between diff 185
- Min t between some 185
- Min time compressor 185
- N of compressors 4 185
- N of evaporators 2 185
- Off 0180 s 185
- On 0120 s 185
- Setp 065 c 185
- Temp regulation 185
- Cond p down 001 bar 186
- Cond p down 017 bar 186
- Cond p hold 001 bar 186
- Cond p hold 016 bar 186
- Disch temp alarm 186
- Double pulse under 035 186
- Evaporat flow alarm delays 186
- Interstage time 0210 s 186
- Run delay 05 s 186
- Setpoint 110 c 186
- Start up delay 20 s 186
- Anti freeze alarm 187
- Anti freeze alarm ev 1 187
- Anti freeze alarm ev 2 187
- Diff 01 c 187
- Freeze prevent 187
- Setpoint 187
- Setpoint 02 c 187
- Setpoint 03 c 187
- Loading 188
- Max pulse period 090 s 188
- Min pulse period 01 s 188
- Min pulse period 05 s 188
- Number of pulses to load comp 015 188
- Number of pulses to unload comp 015 188
- Pulse time 00 s 188
- Unloading 188
- Condensation 189
- Diff 00 bar 189
- Enable pres 189
- Enable y 189
- Fan step n 1 189
- Fan steps 4 189
- Max time 030 s 189
- Min press 0 bar g 189
- Pump down config 189
- Setpoint 00 bar 189
- Type steps 189
- Condensation 190
- Diff 00 bar 190
- Fan step n 1 190
- Setpoint 00 bar 190
- Cond regulation 191
- Derivative time 001 s 191
- Enable oil heating control y 191
- Integral time 600 s 191
- Inverter config 191
- Max speed 191
- Min speed 191
- Neutral band 191
- Regul band 191
- Speed up time 191
- Diff 00 bar 192
- Diff 05 bar 192
- Low press alarm delays 192
- Max load setp 192
- Min load setp 192
- Pressure ratio alarm 192
- Run delay 192
- Setpoint 01 bar 192
- Setpoint 20 bar 192
- Start up delay 192
- Transducers high pressure alarm 192
- Transducers low pressure alarm 192
- Delay 020 s 193
- Liquid injection 193
- Oil high pressure diff alarm 193
- Pressure ratio alarm 193
- Run delay 193
- Setp 2 bar 193
- Setpoint 193
- Start up delay 193
- Exp not linked 194
- Exp recognized 194
- Exv preopening 194
- Press enter to exit 194
- Refresh n 194
- Rs485 net 194
- Time check 045 194
- Wait please 194
- Diff 00 c 195
- Exv setting 195
- Freeze prevent 195
- Insert password 0000 195
- Refresh n 195
- Reset all parameters 195
- Rs485 net 195
- Setpoint 00 c 195
- Time check 045 195
- To default values n 195
- Reset all parameters 196
- To default values n 196
- Actual position 0000 197
- En exv manual auto 197
- Exv setting 197
- Exv setting menu 197
- Exv settings 1 197
- Exv settings 2 197
- Exv settings 4 197
- Insert password 0000 197
- Manual position 0500 197
- No warnings 197
- Alco ex8 198
- Closing extras y 198
- Dead zone 00 c 198
- Diff factor 00 s 198
- Exv settings 198
- Gas type r134a 198
- Int factor 030 s 198
- Opening extras y 198
- Prop factor 80 198
- Sheat setp 06 c 198
- Time extras 0000 s 198
- Value type 198
- Exv settings 199
- Int time 01 c 199
- Int time 04 c 199
- Lop limit 30 c 199
- Lop protection 199
- Low limit 1 c 199
- Low sheat protection 199
- Mop limit 12 c 199
- Mop protection 199
- Start up delay 090 s 199
- Compressor c 1 201
- Dd mm yy hh mm 201
- Hour counter 201
- Hour counter 000000 201
- Last comp start c 1 201
- Last comp stop 201
- Maintenance output menu 201
- Number of starts 00002 201
- Pump evap 000000 201
- Global pid request 203
- Load y 203
- Maintenance password 203
- Stand by n 203
- Unload n 203
- Adjust 000000 204
- Comp h count c 1 204
- Evap pump h count 204
- Maintenance input menu 204
- Reset n 204
- Threshold 010 x 1000 204
- Adjust 000000 205
- Comp starts 205
- High chlwt start 205
- Lwt 25 c 205
- Max comp stage 070 205
- Max pull down rate 00 c min 205
- Neutral band 00 c 205
- Regul band 03 c 205
- Reset n 205
- Shut down dt 01 c 205
- Start up dt 02 c 205
- B1 y b2 y b3 y b4 y 206
- B5 y b6 y b7 y b8 y 206
- B9 y b10 y 206
- Chlwt temperature 206
- Condensation 206
- High 10 c 206
- Low 04 c 206
- Probes enable u 1 206
- Setpoint 09 bar 206
- Setpoint limits 206
- B1 0 b2 0 207
- B1 offs 00 c 207
- B4 0 b5 0 207
- B6 0 b7 0 207
- B9 0 b10 0 207
- Dt to reload and re unload comp 207
- Exp probes enable 207
- Exp probes offs 207
- Input probes offset 207
- Inputs probes offset 207
- Time to download compressor 207
- Compressor 1 209
- Compressor 2 209
- Manual load 050 209
- Service menu 209
- State auto 209
- Al 16 u 1 210
- Alarm menu 210
- Compressor 1 overload 210
- Buffer alarm menu 211
- Comp overload 1 211
- Dd mm yy mm hh 211
- Functional control 213
- Part 2 213
- What is in this chapter 213
- On off management 215
- 76 part 2 functional description 216
- Continuous loading and unloading uses 2 solenoid valves to control the screw compressor slide and thus its capacity control is performed by outlet temperature 216
- Functional control esie07 04 216
- In the following flow chart the unit startup management and shutdown procedures are shown as well as the compressors loading and unloading strategy 216
- Introduction the thermostat control is used to generate a load up or load down according to the active pid regulation 216
- Thermostat control 216
- Unit and compressor start up and shutdown procedure 216
- Compressors start up and loading management 4 compressors 217
- Esie07 04 functional control 217
- Part 2 functional description 2 77 217
- Unit shutdown 217
- Unit shutdown request 217
- 78 part 2 functional description 218
- Compressors unload and shutdown management 4 compressors 218
- Functional control esie07 04 218
- Dead band 0 c 219
- Esie07 04 functional control 219
- Interstage 210 s 219
- Loading and unloading zones the graph below shows the different loading and unloading zones 219
- Max pull down 0 min 219
- Part 2 functional description 2 79 219
- Reload t 0 c 219
- Settings do not change 219
- Cooling double 221
- Enable double 221
- Heating double 221
- Setpoint 221
- Setpoint reset of the chilled water 221
- Setpoint y 221
- Chlwt setpoint 222
- Lvg water temp 222
- Max reset 222
- No reset 222
- Oat chwt reset 222
- Override limits 222
- Setp diff 03 c 222
- Setpoint diff 222
- Setpoint reset 222
- Chlwt return reset 224
- Max reset 3 c 224
- Return water reset 224
- Start dt 224
- Freeze up control 225
- 86 part 2 functional description 226
- Anti freeze alarm 226
- Evap 1 anti freeze alarm 226
- Evap 2 anti freeze alarm 226
- Function description 226
- Functional control esie07 04 226
- In case the unit has 2 evaporators 226
- Setpoint 226
- Enable soft load 227
- Max stage 227
- Max time 227
- Y enable soft load 227
- Current limit 228
- Current limit set 228
- Demand limit 228
- Max curr 228
- Unit limiting 228
- Unit load limiting 228
- High chlwt start 229
- Max comp stage 229
- Start up with high evaporator water temperature 229
- Ambient lockout 230
- En ambient lockout 230
- Setpoint 230
- Delay on switching 231
- Pump control 231
- Pump fan and comp 231
- The main pump off 231
- Time between main 231
- Auto restart after power failure function 232
- Autorestart after 232
- Power failure y n 232
- Liquid injection 233
- Setpoint 233
- Economizer function 234
- Economizer off 75 234
- Economizer on 90 234
- Enable economizer 234
- Exv pre opening 235
- Exv preopening 235
- Compressor configuration 236
- Numbers of compressors 236
- Numbers of evaporators 1 2 236
- Auto manual 237
- C 1 1st 237
- C 2 2nd 237
- C 3 3rd 237
- C 4 4th 237
- Comp starts 237
- Compressor management 237
- Compressors 237
- Min t between diff 237
- Min t between same 237
- Min time comp off 180 s 237
- Min time comp on 237
- Sequencing 237
- Set compressor stage 237
- 98 part 2 functional description 238
- Function description 238
- Functional control esie07 04 238
- High pressure setback 239
- Lp prevention 240
- Capacity control 241
- Number of pulses 241
- To load comp 241
- To unload comp 241
- 102 part 2 functional description 242
- Compressor loading 242
- Compressor unloading 242
- Fixed variable 242
- Functional control esie07 04 242
- Graph 1 a pure proportional logic will load or unload with a frequency related to the set point distance 242
- Max pulse period 242
- Min pulse period 242
- Pulse time 242
- Pulse time the time of the pulse time is fixed default 0 s the interval time between two pulses is proportional to the pid proportional integral derivative unit request 242
- Esie07 04 functional control 243
- Graph 2 the derivative part of the logic controls how the temperature reaches the setpoint if it is getting closer increases the time between intervals or if it is far from the setpoint decreases the time between intervals the result is having the controller act differently whenever the water temperature changes 243
- If the derivative time is increased the control will be more sensitive to temperature changes for example the derivative time can be increased when a chiller is working with a very variable load the integral time stores the memory on how the p 1 controls the temperature 243
- Part 2 functional description 2 103 243
- Enable 244
- Max time 244
- Min press 244
- Pump down config 244
- Pump down configuration at compressor stop 244
- Pressure alarm 245
- Pressure safeties 245
- Setpoint 245
- Transducer high pressure alarm 245
- Transducers high 245
- Transducer low pressure alarm 246
- Low press alarm delays 247
- Lp alarm delay 247
- Run delay 247
- Start up delay 247
- Max load setp 248
- Min load setp 248
- Oil management safeties 248
- Pressure ratio alarm 248
- High oil dp alarm 249
- Pressure ratio alarm 249
- Pressure ratio alarm delay 249
- Run delay 249
- Setpoint 249
- Start up delay 249
- Condensation 250
- Enable 250
- Fan management 250
- Fan steps 250
- Head pressure control 250
- Fan steps on off management 251
- Inverter config 251
- Max speed 251
- Min speed 251
- Phase cut fan management 251
- Speed up time 251
- Fan silent mode 253
- On off fans phase cut opla management 253
- Heat recovery microprocessor control 254
- Heat recovery operation 255
- 116 part 2 functional description 256
- Below are important setup values for references see the microprocessor manual 256
- Function description the unit supplied with the heat recovery condensers is equipped with an additional microprocessor tc10 see electric wiring diagram with two three or four steps to control the hot water temperature according to the number of heat exchangers installed in the unit one step for each compressor for reference on how to set this microprocessor see the specific manual supplied with the unit 256
- Functional control esie07 04 256
- Heat recovery microprocessor set up 256
- Part 3 troubleshooting 257
- Overview of fault indications and safeties 259
- Part 3 259
- What is in this chapter 259
- What to do in the event of an alarm 260
- Esie07 04 overview of fault indications and safeties 261
- Overview of safeties 261
- Part 3 troubleshooting 3 5 261
- The following table shows the list of possible alarms with the identifier number the cause and the reset type a auto m manual 261
- 6 part 3 troubleshooting 262
- Overview of fault indications and safeties esie07 04 262
- Checking the inputs and outputs 263
- Part 3 263
- What is in this chapter 263
- List of digital inputs 264
- List of analog inputs 265
- List of digital outputs 266
- List of analog outputs 267
- List of input and output channels of the expansion board 1 option economizer 268
- Part 3 269
- Procedure for software upload download 269
- What is in this chapter 269
- Copy from the software key to pco 270
- Copy from the software key to pco² 270
- Copy from pco to the software key 271
- Copy from pco² to the software key 271
- Installation of winload32 on the pc and programming a controller 272
- Go to the winload32 program page 273
- Select chiller pco² page 273
- Double click on the file 275
- Press on extract 275
- Select winload32 exe 275
- The file winload32 v3 0 is now saved on the hard disk of your pc 275
- Winzip will open 275
- Click on the model name 277
- Click to download the file 277
- Go back to the pco² software download page on the extranet 277
- Select save to download the file to your pc 277
- Please check that you have 4 times 286
- Upload completed successfully 286
- Copy software from winload32 to the software key 287
- Part 3 289
- Procedure to protect compressor in case of frozen evaporator 289
- What is in this chapter 289
- Procedure to protect compressor in case of frozen evaporator 290
- Part 3 291
- Procedure to clear the refrigerant circuit in case of frozen evaporators 291
- What is in this chapter 291
- Procedure to clean the refrigerant circuit in case of frozen evaporators 292
- Part 3 293
- Procedure for the changing and configuration of the display 293
- What is in this chapter 293
- Changing the display 294
- Configuration procedure for the plan settings 295
- Part 3 297
- Procedure for the changing and configuration of the pco i o board 297
- Procedure for the changing and configuration of the pco² i o board 297
- What is in this chapter 297
- Changing the pco controller 298
- Changing the pco² controller 298
- Part 3 299
- Procedure for the changing of the electronic expansion valve driver 299
- What is in this chapter 299
- Changing the expansion valve driver 300
- Part 3 301
- Procedure for the changing and configuration of the expansion i o board optional 301
- What is in this chapter 301
- Changing the pco expansion board 302
- Changing the pco² expansion board 302
- Manual upload or download control test procedure 303
- Part 3 303
- What is in this chapter 303
- 48 part 3 troubleshooting 304
- Description this function allows setting the compressor to a fixed capacity step without thermostat control the unit is still protected by the normal safeties 304
- Introduction this function must only be used for testing of the unit e g during commissioning or trouble shooting 304
- Manual load 25 100 this parameter can be changed to the required compressor capacity 304
- Manual upload or download control test procedure 304
- Manual upload or download control test procedure esie07 04 304
- Please enter digit password to get access to this menu digit 304
- State off this compressor will be disabled auto the pid function will calculate the needed capacity manual the selected manual load capacity will be used compressor is fixed to this capacity 304
- This function can be enabled in the service menu menu maintenance 304
- When the unit is near to a safety prevention lp down hp down freeze prevention it will skip manual mode and dontinue in normal operation this is to prevent the unit from tripping on a safety 304
- Part 3 305
- Troubleshooting chart 305
- What is in this chapter 305
- Troubleshooting chart 306
- Part 3 311
- Prestart system checklist 311
- What is in this chapter 311
- Prestart system checklist 312
- Part 4 commissioning and test run 313
- Part 4 315
- Pre test run checks 315
- What is in this chapter 315
- General checks 316
- Water piping checks 317
- Total hydraulic lift kpa 319
- Water flow l s 319
- Water pump diagram 319
- Water pressure drop table for matching unit sizes 320
- Evaporator pressure drop ewad bjynn ewad bjynn q and ewad bjynn a 321
- Pressure drop kpa 321
- Water flow rate l s 321
- 10 part 4 commissioning and test run 322
- Evaporator pressure drop ewad bjynn z 322
- Evaporator pressure drop the illustration below shows the water pressure drop through evaporator for ewad bjynn z 322
- Note for matching unit size see table on page 4 8 322
- Pre test run checks esie07 04 322
- Pressure drop kpa 322
- Water flow rate l s 322
- Esie07 04 pre test run checks 323
- Note for matching unit size see table on page 4 8 323
- Part 4 commissioning and test run 4 11 323
- Pressure drop for partial heat recovery 323
- Pressure drop for partial heat recovery ewad bjynn 323
- Pressure drop kpa 323
- The illustration below shows the water pressure drop through evaporator for ewad bjynn 323
- Water flow rate l s 323
- 12 part 4 commissioning and test run 324
- Note for matching unit size see table on page 4 8 324
- Pre test run checks esie07 04 324
- Pressure drop for total heat recovery ewad bjynn ewad bjynn q ewad bjynn a and ewad bjynn z 324
- Pressure drop for total heat recovery the illustration below shows the water pressure drop through evaporator for ewad bjynn ewad bjynn q ewad bjynn a and ewad bjynn z 324
- Pressure drop kpa 324
- Water flow rate l s 324
- Water flow and pressure drop precautions 325
- Electrical checks 326
- Part 5 maintenance 327
- Maintenance 329
- Part 5 329
- What is in this chapter 329
- System maintenance 330
- Preventive maintenance schedule 334
- Start up and shut down 335
- Seasonal shut down 336
- Maintenance shut down 337
- Periodical checks 338
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