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BluCube Installation and Maintenance Manual 7222094 V1.12.0_04_2016
Commissioning
GENERAL
The following commissioning information is based on a complete matched Airedale system using R410A refrigerant.
Pre-Start Checks
Once the whole system has been installed it is most important that the following pre-start checks are made:-
GENERAL
1
The unit condition is satisfactory.
2
All pipework is complete and insulated where necessary.
Electrical
1
All electrical connections (both mains and control) are properly terminated.
2
The power supply is of the correct voltage and frequency.
3
External fuses/circuit breakers are of the correct rating.
4
The units are properly earthed in accordance with current regulations.
5
All pipework is earth bonded as required.
6
Check that there is a supply to the crankcase heater (if fitted) and ensure this is switched on for a minimum of 8
hours prior to the unit operation.
Refrigeration
1
The unit condition is satisfactory.
2
All pipework is complete and insulated where necessary.
3
All fans are able to rotate freely.
4
The system has been evacuated correctly.
5
Check the operation of the high and low pressure switch settings. These should be as follows:-
HIGH PRESSURE SWITCH - 40.25 Bar CUT OUT
LOW PRESSURE SWITCH - 0.5 Bar - CUT OUT
2.5 Bar - CUT IN
6
The low pressure switch is automatically reset. The high pressure switch must be reset by either switching the
unit off/on at the isolator, or de-energising the compressor signal from the indoor unit.
Fan Speed / head pressure control
The head pressure control, allows control to be achieved in ambients down to 20°C.
Defrost Control
Defrost is controlled by software (user defined) via a coil temperature sensor.
Condensing Unit
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Summary of Contents for BluCube CUR092V16-1CO-0
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