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Daikin EUWAC5FBZW1 [24/28] Annex i
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Installation and operation manual
21
EUWAC5~10FBZW1
Packaged air-cooled water chillers
4PW61657-1 – 07.2010
ANNEX I
Saturated temperature
The figures below represent the average saturated temperature of
R407C in relation to the pressure readout.
High pressure side
Low pressure side
ANNEX II
Calculation of external pressure drop
10 2015 30255
5
10
15
20
25
30
35
4035 5045 6055 70 °C
bar
65
5
10
9
8
7
6
4
3
2
1
bar
–10 0–5 105–15 2015 3025 4035 50 °C45
5 Hp 8 Hp 10 Hp
General specifications IN OUT IN OUT IN OUT
Nominal air flow (m
3
/min) 70 70 100 100 125 125
long side W
(mm) 763 341 952 802 1102 938
short side P
(mm) 622 314 814 266 865 291
velocity
(m/s) 2.6 11.5 2.5 9.1 2.5 8.7
Friction loss
Pa
0.1 4.6 0.1 2.4 0.1 2.0
Bent parts
R/W=1
Pa
2202152 8
R/W=0.5
Pa
10 70 10 55 10 35
Filter
A Initial resistance
B Recommended final resistance
v Velocity
Louver
A Condenser air flow
v
eff
Effective velocity
1m
90
80
7
0
60
5
0
4
0
30
2
0
1
0
0
2
0
1
v>2m/s
v<2m/s
v<2m/s
A
A
B
v
(
m/s
)
∆
P
(
Pa
)
5
0
4
0
30
2
0
1
0
0
A
2
0
1
5
3
4
∆
P
(
Pa
)
v (m/s)
v
v
v
eff
4PW61657-1_digital_EN.book Page 21 Friday, August 27, 2010 8:09 AM
Содержание
- Installation and operation manual 1
- Packaged air cooled water chillers 1
- Daikin europe n v 3
- En60335 2 40 3
- Euwac5fbzw1 euwac8fbzw1 euwac10fbzw1 3
- Jean pierre beuselinck general manager ostend 1st of july 2010 3
- Machinery 2006 42 ec electromagnetic compatibility 2004 108 ec 3
- Pw61657 1_digital_en book page 1 friday august 27 2010 8 09 am 3
- Pw61842 6 3
- Installation and operation manual 4
- Installing the unit 4
- Introduction 4
- Nstalling the unit 4
- Ain component 5
- Electrical specifications 5
- Electrical specifications 5
- Features 5
- Main components 5
- Options 5
- Options and features 5
- Ptions and features 5
- Standard operation range 5
- Technical specifications 5
- Technical specifications 5
- Election of location 6
- Important information regarding the refrigerant used 6
- Inspecting and handling the unit 6
- Mportant information regarding the refrigerant used 6
- Npacking and placing the unit 6
- Nspecting and handling the unit 6
- Selection of location 6
- Unpacking and placing the unit 6
- A circulation pump must be provided in such a way that it discharges the water directly into the evaporator a voltage free contact is provided in the switch box to steer the pump 7
- A wire mesh strainer must be installed at the pump suction to protect the pump and the heat exchanger from foreign matter the mesh size has to be between 0 and 1 mm 7
- A flow switch must be installed in the water outlet pipe to prevent the unit from operating at a water flow which is too low a terminal is provided in the switch box for the electrical connection of the flow switch 7
- Air vents must be provided at all high points of the system the vents should be located at points which are easily accessible for servicing the water inlet pipe is specially designed to obtain a complete air purge of the evaporator 7
- Ater charg 7
- Before continuing the installation of the euwac check the following points 7
- Checking the water circuit 7
- Connecting the water circuit 7
- Drain taps must be provided at all low points of the system to permit complete drainage of the circuit during maintenance or in case of shut down 7
- Flow and quality 7
- Hecking the water circuit 7
- If air moisture or dust get in the water circuit problems may occur therefore always take into account the following when connecting the water circuit 7
- Iping insulation 7
- Onnecting the water circuit 7
- Piping connections water inlet and outlet must be made from the right side of the water chiller see figure 1 7
- Piping insulation 7
- Protect the water piping against water freezing during winter period e g by using a glycol solution 7
- Provide a separate insulation for the water inlet and the water outlet piping 7
- Provide adequate safeguards in the water circuit to make sure that the water pressure will never exceed the maximum allowable working pressure 7
- Q 2 x t c x y 7
- The complete water circuit inclusive all piping must be insulated to prevent condensation and reduction of the cooling capacity take into account the following points when insulating the piping 7
- The euwac units are equipped with a water inlet and water outlet for connection to a chilled water circuit this circuit must be provided by a licensed technician and must comply with all relevant european and national regulations 7
- The minimum water volume v kg in the system should moreover full fill the criteria below 7
- The water pressure should not exceed the maximum work ing pressure of 10 bar 7
- The water quality must be in accordance with the specifications listed in the table below 7
- Thoroughly insulate around the pipe connections 7
- To assure proper operation of the unit a minimum water volume is required in the system and the water flow through the evaporator must be within the operation range specified in the table below 7
- Use armaflex material with thickness of 9 mm 7
- Water charge flow and quality 7
- Cable for flow switch 8
- Cable for flow switch 8
- Connection of the packaged air cooled water chiller power supply 8
- Field wiring 8
- How to continue 8
- Ield wiring 8
- Ow to continue 8
- Parts table 8
- Point for attention regarding quality of the public electric power supply 8
- Power circuit and cable requirements 8
- Description 9
- Function of the main components 9
- Introduction 9
- Operating the unit 9
- Perating the unit 9
- Internal wiring parts table 10
- Measuring devices 10
- Safety devices 10
- Before operation 11
- Checks before initial start up 11
- Efore operation 11
- General recommendations 11
- Operation 11
- Peration 11
- Power supply connection and crankcase heating 11
- Water supply 11
- Digital controller 12
- Figure digital controller 12
- Figure remote user interface optional kit 12
- Keys provided on the controller 12
- The digital controller consists of a numeric display four labelled keys which you can press and leds providing extra user information 12
- The function carried out when the user presses one or a combination of these keys depends on the status of the controller and the unit at that specific moment 12
- User interface 12
- Direct and user parameters 13
- Switching the unit on 13
- Working with the units 13
- Adjusting the cooling temperature setpoint 14
- Consulting actual operational information 14
- How to consult and modify the direct parameters 14
- How to consult the sensor readout menu parameters 14
- Resetting alarms 14
- Switching the unit off 14
- Resetting warnings 15
- Advanced features of the digital controller 16
- Overview of the direct and user parameters 16
- The list of direct parameters is accessible by pressing the b key for approximately 5 seconds refer also to how to consult and modify the direct parameters on page 11 16
- This chapter gives an overview of the direct parameters and user parameters provided by the controller in the following chapter you will learn how you can set up and configure the unit using these parameters 16
- Defining the cooling temperature differential 17
- Defining the measurement unit 17
- Defining the time delay between pump and compressor startup 17
- Defining the time delay between unit and pump shutdown 17
- Defining the timer threshold for maintenance warning 17
- How to consult and modify the user parameters 17
- Selecting dual setpoint control 17
- Selecting local or remote on off control 17
- Bms connection modbus 18
- Connection modbus 18
- Different parts of the communication network 18
- General description of modbus 18
- General information about the modbus protocol 18
- Implemented commands for the modbus protocol 18
- Implemented rs485 communication settings for the modbus protocol 18
- Locking the controller keyboard 18
- 0 for off 19
- 1 for on 19
- Activating the modbus protocol 19
- All digital variables are assigned to bits of consecutive registers each one having 19
- Analogue and integer data an analogue and integer value is represented by a 16 bit word register in binary notation for each register the first byte contains the high order bits and the second byte contains the low order bits 19
- Data representation of the modbus protocol 19
- Defining the bms setting 19
- Defining the bms setting 19
- Defining the unit s serial address 19
- Digital all digital data is coded by a single bit 19
- For addresses of all the direct and user parameters refer to overview of the direct and user parameters on page 13 19
- Implemented error code 19
- In case the bms or supervisory system tries to write a value of a parameter that is out of range the writing will be ignored 19
- Overview of all variables which are not direct or user parameters 19
- The address card operates on registers where one register must be considered at 16 bit 19
- The analogue variables are represented in tenths for example the value 10 is transmitted as 0064h 100d for example the value 10 is transmitted as ff9ch 100d 19
- The bms or supervisory system and the chiller unit communicate through a fixed set of variables also called address numbers hereafter you will find the information you need about the digital integer and analogue variables that the bms or supervisory system can read from or write to the address card of the chiller 19
- The higher address variable assigned to the most significant bit 19
- The integer variables are transferred using the effective value for example the value 100 is transmitted as 0064h 100d 19
- The lower address variable assigned to the less significant bit 19
- The modbus protocol is activated by setting the h23 parameter to 1 19
- This is a user parameter refer to how to consult and modify the user parameters on page 14 19
- To define each unit s unique serial address required for communication with the supervisionary system set parameter h10 19
- Variables database 19
- Before contacting your local daikin dealer read this chapter carefully it will save you time and money 20
- Before starting the trouble shooting procedure carry out a thorough visual inspection of the unit and look for obvious defects such as loose connections or defective wiring 20
- Roubleshooting 20
- This section provides useful information for diagnosing and correct ing certain troubles which may occur in the water chiller 20
- Troubleshooting 20
- When a safety device was activated stop the unit and find out why the safety device was activated before resetting it under no circum stances safety devices may be bridged or changed to a value other than the factory setting if the cause of the problem cannot be found call your local daikin dealer 20
- When carrying out an inspection on the supply panel or on the switch box of the water chiller always make sure that the circuit breaker of the water chiller is switched off 20
- Aintenance 21
- Important information regarding the refrigerant used 21
- Maintenance 21
- Maintenance activities 21
- Disposal requirements 22
- Menu overview 23
- Annex i 24
- Annex ii 24
- Calculation of external pressure drop 24
- Saturated temperature 24
- Annex iii 25
- Euwac10fbzw1 25
- Euwac5 10fbzw1 25
- Euwac5fbzw1 25
- Euwac8fbzw1 25
- Fan characteristics 25
- Pw61657 1 07 010 25
- 1 3 9 8 5 4 2 27
- Euwac5 euwac8 10 27
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