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Daikin EWWQC13AJYNN/A [21/72] D 808 c 08 01 a en pag 21 72
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D -808 C – 08/01 A – EN Pag. 21/72
3.
Manual or automatic air venting device at the system’s highest point; drain device at the system’s lowest point.
Neither the evaporator nor the heat recovery device must be positioned at the system’s highest point.
4. A suitable device that can maintain the water system under pressure (expansion tank, etc.)
5. Water temperature and pressure indicators on the machine to assist the operator during service and
maintenance.
6. A filter or device which can remove foreign particles from the water before it enters the pump (in order to
prevent cavitation, please consult the pump manufacturer for the recommended type of filter ). The use of a
filter prolongs the life of the pump and helps keep the water system in a better condition.
7.
Another filter must be installed on the machine inlet water pipe, near the evaporator and heat recovery (if
installed). The filter prevents solid particles from entering the heat exchanger, as they could damage it or
reduce its heat exchanging capacity.
8. The heat recovery device must be emptied of water during the winter season, unless an ethylenic glycol mixture
in appropriate percentage is added to the water circuit.
9. If the machine is intended to replace of another, the entire water system must be emptied and cleaned before
the new unit is installed. Regular tests and proper chemical treatment of water are recommended before
starting up the new machine.
10.
In the event that glycol is added to the water system as anti-freeze protection, pay attention to the fact that
suction pressure will be lower, the machine’s performance will be lower and water pressure drops will be greater.
All machine-protection systems, such as anti-freeze, and low-pressure protection will need to be readjusted.
Before insulating water piping, check that there are no leaks.
Содержание
- Water cooled screw chillers 1
- Contents 2
- D 808 c 08 01 a en pag 2 72 2
- D 808 c 08 01 a en pag 3 72 3
- List of figures 3
- List of tables 3
- Assistance 4
- Caution 4
- Checks 4
- D 808 c 08 01 a en pag 4 72 4
- General information 4
- Important 4
- Receiving the machine 4
- Spare parts 4
- Warnings for the operator 4
- D 808 c 08 01 a en pag 5 72 5
- Important information on the refrigerant used 5
- Purpose of this manual 5
- D 808 c 08 01 a en pag 6 72 6
- Eww q 400 aj yn n a 6
- Nomenclature 6
- D 808 c 08 01 a en pag 7 72 7
- Table 1 ewwq 400 c20 ajynn technical data 7
- Technical specifications 7
- D 808 c 08 01 a en pag 8 72 8
- R410a r410a r410a r410a r410a 8
- Table 2 ewwq 400 c20 ajynn technical data 8
- D 808 c 08 01 a en pag 9 72 9
- R410a r410a r410a r410a r410a 9
- Table 3 ewwq 400 c20 ajynn technical data 9
- D 808 c 08 01 a en pag 10 72 10
- R 410a r 410a r 410a r 410a 10
- Table 4 ewwq 400 c20 ajynn technical data 10
- D 808 c 08 01 a en pag 11 72 11
- R410a r410 a r410a r410a r410a 11
- Table 5 ewwq 440 c22 ajynn a technical data 11
- D 808 c 08 01 a en pag 12 72 12
- R410a r410a r410a r410a r410a 12
- Table 6 ewwq 440 c22 ajynn a technical data 12
- D 808 c 08 01 a en pag 13 72 13
- R410a r410a r410a r410a r410 a 13
- Table 7 ewwq 440 c22 ajynn a technical data 13
- D 808 c 08 01 a en pag 14 72 14
- R410a r410a 14
- Table 8 ewwq 440 c22 ajynn a technical data 14
- D 808 c 08 01 a en pag 15 72 15
- Size 63 hz 125 hz 250 hz 500 hz 1000 hz 2000 hz 4000 hz 8000 hz dba 15
- Sound pressure level at 1 m from the unit in free field ref 2 x 1 15
- Table 10 sound levels ewwq ajynn a 15
- Table 9 sound levels ewwq ajynn 15
- Caution 16
- D 808 c 08 01 a en pag 16 72 16
- Operating limits 16
- Operation 16
- Storing 16
- D 808 c 08 01 a en pag 17 72 17
- Fig 1 operating limits 17
- Operating limits ewwq ajynn ewwq ajynn a 17
- Caution 18
- D 808 c 08 01 a en pag 18 72 18
- Mechanical installation 18
- Moving and lifting 18
- Responsibility 18
- Safety 18
- Shipping 18
- Caution 19
- D 808 c 08 01 a en pag 19 72 19
- Fig 2 lifting the unit 19
- D 808 c 08 01 a en pag 20 72 20
- Fig 3 minimum clearance requirements for machine maintenance ventilation 20
- Minimum space requirements 20
- Positioning and assembly 20
- Sound protection 20
- Water piping 20
- D 808 c 08 01 a en pag 21 72 21
- Caution 22
- D 808 c 08 01 a en pag 22 72 22
- Evaporator and exchangers anti freeze protection 22
- Fig 4 water piping connection for heat recovery exchangers 22
- Table 11 acceptable water quality limits 22
- Water treatment 22
- D 808 c 08 01 a en pag 23 72 23
- Fig 5 adjusting the safety flow switch refrigerating circuit safety valves 23
- Installing the flow switch 23
- Fig 6 evaporator pressure drop ewwq ajynn 24
- Pressure drop kpa 24
- Water flow l s 24
- Fig 7 evaporator pressure drop ewwq ajynn 25
- Pressure drop kpa 25
- Water flow l s 25
- A b c d e f 26
- Fig 8 evaporator pressure drop ewwq ajynn a 26
- Pressure drop kpa 26
- Water flow l s 26
- Fig 9 evaporator pressure drop ewwq ajynn a 27
- Pressure drop kpa 27
- Water flow l s 27
- A b c d e f g h i l m 28
- D 808 c 08 01 a en pag 28 72 28
- Fig 10 condenser pressure drop ewwq ajynn 28
- Pressure drop kpa 28
- Water flow l s 28
- A b c d e f g h 29
- Fig 11 condenser pressure drop ewwq ajynn 29
- Pressure drop kpa 29
- Water flow l s 29
- A b c d e f g h i 30
- Fig 12 condenser pressure drop ewwq ajynn a 30
- Pressure drop kpa 30
- Water flow l s 30
- Fig 13 condenser pressure drop ewwq ajynn a 31
- Pressure drop kpa 31
- Water flow l s 31
- D 808 c 08 01 a en pag 32 72 32
- Fig 14 partial heat recovery pressure drop ewwq ajynn 32
- Pressure drop kpa 32
- Water flow l s 32
- Fig 15 partial heat recovery pressure drop ewwq ajynn 33
- Pressure drop kpa 33
- Water flow l s 33
- A b c d 34
- Fig 16 partial heat recovery pressure drop ewwq ajynn a 34
- Pressure drop kpa 34
- Water flow l s 34
- Ewwq ajynn a 35
- Partial heat recovery pressure drop 35
- Pressure drop kpa 35
- Water flow l s 35
- Caution 36
- D 808 c 08 01 a en pag 36 72 36
- Electrical installation 36
- General specifications 36
- D 808 c 08 01 a en pag 37 72 37
- Table 12 electrical data ewwq ajynn unit 37
- D 808 c 08 01 a en pag 38 72 38
- Table 13 electrical data ewwq ajynn a unit 38
- Alarm relays electrical wiring 39
- Control circuit 39
- D 808 c 08 01 a en pag 39 72 39
- Double setpoint electrical wiring 39
- Electrical components 39
- Electrical resistances 39
- Electrical wiring 39
- External water setpoint reset electrical wiring optional 39
- Power circuit 39
- Unit on off remote control electrical wiring 39
- Water pump control 39
- Attention the two options cannot be enabled simultaneously setting one function excludes the other 40
- D 808 c 08 01 a en pag 40 72 40
- Unit limitation electrical wiring optional 40
- D 808 c 08 01 a en pag 41 72 41
- Fig 18 user connection to the interface m3 terminal board 41
- Compresso 42
- Condense 42
- D 808 c 08 01 a en pag 42 72 42
- Description of the machine 42
- Description of the refrigeration cycle 42
- Evaporato 42
- Expansion valv 42
- Operation 42
- Operator s responsibilities 42
- F12 22 lp f13 23 hp 44
- Fig 20 refrigeration cycle of the ewwq ajynn ewwq ajynn a mono fr4 unit 44
- F12 22 lp f13 23 hp 46
- Fig 22 refrigeration cycle of the ewwq ajynn ewwq ajynn a mono 3200 unit 46
- Controlling the partial recovery circuit and installation recommendations 47
- D 808 c 08 01 a en pag 47 72 47
- Description of the refrigeration cycle with partial heat recovery 47
- Compressor 48
- D 808 c 08 01 a en pag 48 72 48
- Fig 23 picture of fr4100 compressor 48
- Fig 24 picture of fr3200 compressor fig 24 picture of fr3200 compressor 48
- Compression process 49
- D 808 c 08 01 a en pag 49 72 49
- D 808 c 08 01 a en pag 50 72 50
- Fig 25 compression process 50
- Fig 26 refrigeration capacity control mechanism of compressor fr3200 fr4 51
- D 808 c 08 01 a en pag 52 72 52
- D 808 c 08 01 a en pag 53 72 53
- Fig 27 capacity control mechanism 53
- Caution 54
- D 808 c 08 01 a en pag 54 72 54
- General 54
- Pre startup checks 54
- 29 1 100 387 387 392 x 55
- Caution 55
- D 808 c 08 01 a en pag 55 72 55
- Electrical power supply 55
- Important 55
- Unbalance in power supply voltage 55
- Units with external water pump 55
- _____ 100 max x vaverage vaverage v 55
- Caution 56
- D 808 c 08 01 a en pag 56 72 56
- Electrical resistances power supply 56
- Emergency stop 56
- Important 57
- Startup procedure 57
- Table 14 typical operating conditions with compressors at 100 57
- Turning on the machine 57
- D 808 c 08 01 a en pag 58 72 58
- Important 58
- Seasonal shutdown 58
- Starting up after seasonal shutdown 58
- Caution 59
- Compressor maintenance 59
- D 808 c 08 01 a en pag 59 72 59
- General 59
- Important 59
- Lubrication 59
- System maintenance 59
- D 808 c 08 01 a en pag 60 72 60
- Fig 28 installation of control devices for fr4 compressor 60
- D 808 c 08 01 a en pag 61 72 61
- Fig 29 installation of control devices for fr3200 compressor 61
- Activities 62
- D 808 c 08 01 a en pag 62 72 62
- Routine maintenance table 15 routine maintenance programme 62
- Weekly weekly monthly note 1 62
- Yearly yearly note 2 62
- Caution 63
- D 808 c 08 01 a en pag 63 72 63
- Do not start the machine before the cartridge has been correctly inserted in the filter dryer the unit manufacturer will accept no responsibility for any damage to persons or property caused during unit functioning if the filter dryer cartridges have not been correctly inserted 63
- Procedure to replace the filter dryer cartridge 63
- Replacement of filter dryer 63
- Caution 64
- D 808 c 08 01 a en pag 64 72 64
- Fr3200 compressor 64
- Procedure to replace oil filter 64
- Replacement of the oil filter 64
- Caution 65
- D 808 c 08 01 a en pag 65 72 65
- Fr4 compressor fr4 compressor 65
- Fr4200 compressor 65
- Oil filter replacement procedure 65
- Procedure to replace oil filter 65
- Caution 66
- D 808 c 08 01 a en pag 66 72 66
- Refrigerant charge 66
- D 808 c 08 01 a en pag 67 72 67
- Procedure to replenish refrigerant 67
- Compressor discharge pressure transduce 68
- Compressor discharge temperature senso 68
- D 808 c 08 01 a en pag 68 72 68
- Inlet water temperature senso 68
- Low pressure transduce 68
- Oil pressure transduce 68
- Outlet water temperature senso 68
- Standard checks 68
- Suction senso 68
- Temperature and pressure sensors 68
- D 808 c 08 01 a en pag 69 72 69
- Electrical measurements 69
- Refrigerant side measurements 69
- Test sheet 69
- Water side measurements 69
- _____ 100 max x vaverage vaverage v 69
- D 808 c 08 01 a en pag 70 72 70
- Disposal 70
- Obligatory routine checks and starting up apparatuses under pressure 70
- Service and limited warranty 70
- The unit is made of metal and plastic parts all these parts must be disposed of in accordance with the local regulations in terms of disposal lead batteries must be collected and taken to specific refuse collection centres 70
- The units belong to category iv of the classification pursuant to standard ped 97 23 pursuant to min decree n 329 of 01 12 2004 refrigeration groups of this category installed in italy must be inspected every three years by authorised subjects the first inspection being at the moment of start up the obligatory inspections can be requested from tüv italia s r l a body with ped certification registration n 0948 as of 2002 lgs decree n 3 of 25 02 2000 authorised by the ministry of productive activities pursuant to the circular of 23 05 2005 to perform the routine inspections of apparatuses under pressure and starting up of the same tüv italia s r l via carducci 125 ed 3 i 20099 sesto san giovanni mi tel 39 02 24130 1 fax 39 02 24130316 email tuv bb tuv it site www tuv it 70
- D 808 c 08 01 a en pag 72 72 72
- Ewwq 400 c20 ajynn ewwq 440 c22 ajynn a daikin europe n v 72
- Water cooled screw chillers 72
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