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12. CHECKOUT PROCEDURES
Final phases of this installation are the unit Operational and Checkout Procedures. To obtain proper
IOM
IOM
performance, all units must be operated and charge adjustments made.
12.1 INSTRUCTING THE OWNER
•
Assist owner with processing warranty cards and/or online registration.
•
Review Owners Guide and provide a copy to the owner and guidance on proper operation and
maintenance. Instruct the owner or the operator how to start, stop and adjust temperature setting.
•
Instruct the owner on proper operation and maintenance of all other system components.
PERFORM A FINAL UNIT INSPECTION TO BE SURE THAT FACTORY TUBING HAS NOT
SHIFTED DURING SHIPMENT. ADJUST TUBING IF NECESSARY SO TUBES DO NOT RUB
AGAINST EACH OTHER WHEN THE UNIT RUNS. ALSO BE SURE WIRING CONNECTIONS
12.2 CHECKOUT PROCEDURE
Procedure
1. Check that unit is not damaged.................................................................................................................[ ]
2. Leak check refrigerant lines........................................................................................................................[ ]
3. Properly insulate suction line ....................................................................................................................[ ]
4. Ensure that lines are rated for R-410A .....................................................................................................[ ]
5. Properly secure and isolate all refrigerant lines........................................................................................[ ]
6. Seal passages through masonry.................................................................................................................[ ]
7. Verify that all electrical connections are tight. ..........................................................................................[ ]
8. Verify condensing unit is not blocked by foreign objects ........................................................................[ ]
9. Observe outdoor fan during on cycle for clearance and smooth operation.............................................[ ]
10. Indoor coil drain line drains freely..............................................................................................................[ ]
11. Supply registers and return grilles are open and unobstructed...............................................................[ ]
12. Return air filter is installed. ........................................................................................................................[ ]
13. Correct airflow setting is used on Indoor blower motor ...........................................................................[ ]
14. Operate complete system in each mode to ensure safe operation. .......................................................[ ]
15. System information recorded.......................................................................................................................[ ]
16. Instruct the owner on proper operation and fill out Warranty documentation .........................................[ ]
INSTALLER SHOULD PLACE UNIT DATA SHEET AND INSTALLATION INSTRUCTION IN
CUSTOMER PACKET AND GIVE TO HOME OWNER AFTER INSTALLATION IS COMPLETE.
12.3 SYSTEM OPERATION CHECKOUT PROCEDURE
Procedure
1. With thermostat set to the OFF position, close disconnect switch or switches to complete circuits to
condensing unit and furnace. Set thermostat to call for cooling.
2. After the system starts, check the voltage and amperage at the condensing unit contactor.
3. If voltage is not within 10% of rated voltage, contact the local power company for corrections -
unsatisfactory performance may result.
4. If amperage greatly exceeds nameplate amperage, shut down the system and contact dealer.
5. With the system in operation, check the condensing unit for unusual noise and vibration.
6. Allow the system to operate until it is balanced or stabilized (approximately 20 minutes), before making
further checks.
7. Ensure that all refrigerant in the hoses is returned to the system before removing manifold gage hoses.
W415-2973 / B / 07.18.22
IMPORTANT
!
ARE TIGHT AND WIRE ROUTING IS SECURE.
NOTE
8.
Remove manifold gage hoses, and install caps on service valves.
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