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Acson AC125B [7/11] Refrigerant circuit
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1-6
REFRIGERANT CIRCUIT
All mini chiller series is precharged with refrigerant R22, the only pipe work that needs to be done is to connect the water
piping between the mini chiller (outdoor unit) and the fan coil (indoor unit).
Purging of the refrigerant R22 in AC040A/AR ~ 058A/AR series is only required if the unit is installed separately with
hydraulic kit.
WATER FILLING
In this close water system, the pump can cater for longer piping compared to normal direct expansion units.
After connecting all the pipes and equipments, filling water in the circuit, perform leak check for all the connections and
joints. Do not start the unit when the system is leaking.
To optimize the capacity of the system, ensure that the system is free of air bubbles or air-traps. Air traps in the system
seriously unbalance the whole system. It is very important to check the whole water system especially ensuring that the water
tank is not full of water. This protection step is not only to prevent tank & piping corrosion but also to ensure optimum
performance of the unit. This can be done by releasing the air trap from the auto-air-vent (water tank) and manual air vent
(installed in the highest place of the water system).
ELECTRICAL WIRING CONNECTION
MODEL AC040A/AR ~ AC058A/AR AC075B/BR AC100B/BR AC125BR
Voltage Range 380 – 420V/3ph / 50Hz +
Power Supply Cable Size 4 6 10 16
Number of conductor
Interconnection Cable Size (mm
2
) 2.5 2.5 2.5 2.5
IMPORTANT : These values are for information only. They should be checked and selected to comply with local and/or
national codes of regulations. Which is also subject to the type of installation and size of conductors used.
FCU
FCUFCU
Gate Valve
Gate Valve
Expansion
Tank
Thermometer
Flexible
Thermometer
Flexible
Strainer
Gate Valve
Gate Valve
Gate Valve
Gate Valve
Presure
Differential Valve
Three Way Valve
Good Controlling
Bad Controlling
Worst Controlling
Gate Valve
Gate Valve
Two Way Valve
Gate Valve
Gate Valve
FCU
FCUFCU
Gate Valve
Gate Valve
Thermometer
Flexible
Thermometer
Flexible
Strainer
Gate Valve
Gate Valve
Gate Valve
Gate Valve
Presure
Differential Valve
Three Way Valve
Good Controlling
Bad Controlling
Worst Controlling
Gate Valve
Gate Valve
Two Way Valve
Gate Valve
Gate Valve
Gate Valve
Water Feeding / Drainage
CK20AN-ENG 20/07/2000, 14:526
Содержание
- Air cooled mini chiller 2
- Before using your air conditioner please read this instruction manual carefully and keep it for future reference 2
- Installation manual 2
- Models 2
- Reference model 2
- This manual provides the procedures of installation to ensure a safe and good standard of operation for the air conditioner unit special adjustment may be necessary to suit local requirements 2
- Caution 3
- Contents 3
- Do not install or use the air conditioner unit in a laundry room 3
- Do not install the unit where leakage of flammable gas may occur 3
- Do not overcharge the unit 3
- Ensure that the drainage piping is connected properly 3
- Ensure that the units panel is closed after service or installation 3
- Important 3
- Please take note of the following important points when installing 3
- Safety precautions 3
- Warning 3
- Unit installation 5
- Electrical wiring connection 7
- Refrigerant circuit 7
- Water filling 7
- Chiller control operation guide 9
- Trouble shooting 10
- Jalan pengapit 15 19 p o box 7072 40702 shah alam selangor darul ehsan malaysia 11
- Oyl manufacturing company sdn bhd 11
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