31
SYSAER R32
14.2. OPERATING CHECK LIST
14.2.1. GENERAL
Cheek for any unusual noises or vibration in the running components, particularly the indoor fan drive
system.
14.2.2. PHASE ROTATION PROTECTION
If the phase of the power supply are not correct, the phase rotation protection device will prevent the
machine from starting.
14.2.3. ELECTRICAL
14.2.3.1. SET POINTS
1.
Compressors circuit breaker settings.
2.
Fan Circuit breaker settings.
NOTE : The indoor or outdoor fan motor is equiped with an internal safety device with automatic reset.
14.2.3.2. OPERATING VOLTAGE:
Recheck voltage at unit supply terminals.
14.2.3.3. CONTROL
1.
Operate system and thermostat switches.
2.
Check unit is wired for correct control of unit fan, cooling and heating modes.
3.
Verify all sensor inputs, using the controller display.
14.2.4. COMPRESSORS AND REFRIGERATION SYSTEM
1.
Running check: Start the compressors. Check for any unusual noise or vibration.
2.
Operating Pressures: Operate the unit for at last 20 minutes and ensure that the refrigerant pressures
are stabilised, and cheek that they are within the normal operating ranges.
3.
Operating Temperature: Check discharge, suction and liquid temperatures.
4.
The backflow temperature in the cold cycle should not normally exceed 125°C.
5.
Suction superheat should be 8K ±2K.
Summary of Contents for AC-RSR105R32HEC
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