Operating Check List; General; Phase Rotation Protection; Electrical - SystemAir SYSAQUAC 25 Manuel D'installation

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.
NOTE : The 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. Check unit is wired for correct control of unit fan, cooling and heating modes.

14.2.4. COMPRESSOR AND REFRIGERATION SYSTEM

1. Running check: Start the compressor (4min lockout delay before compressor starts: short cycling
protection). 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. Discharge temperature on cooling cycle should normally not exceed 115°C.
5. Suction superheat should be 6K ±2K.

14.2.5. FINAL CHECK

1. All panels and fan guards are in place and secured.
2. Unit clean and free of remainder installation material.

15. IN CASE OF WARRANTY - MATERIAL RETURN PROCEDURE

Material must not be returned without permission of our After Sales Department.
To return the material, contact your nearest sales office and ask for a "return form". The return form shall be sent
with the returned material and shall contain all necessary information concerning the problem encountered.
The return of the part is not an order for replacement. Therefore, a purchase order must be entered through your
nearest distributor or regional sales office. The order should include part name, part number, model number and
serial number of the unit involved.
Following our personal inspection of the returned part, and if it is determined that the failure is due to faulty material
or workmanship, and in warranty, credit will be issued on customer's purchase order. All parts shall be returned to
our factory, transportation charges prepaid.

16. ORDERING SERVICE AND SPARE PARTS ORDER

The part number, the order confirmation and the unit serial number indicated on the name plate must be provided
whenever service works or spare parts are ordered.
For any spare part order, indicate the date of unit installation and date of failure. Use the part number provided
by our service spare parts, if it not available, provide full description of the part required.
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