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16.3 Changing Motor
When motor requires changing, follow the steps below:
STEP 1 - Go into electrical panel, disconnect motor power lines.
Note: Disconnect main power to unit. Severe burns and electrical shock will occur if you do not disconnect main power.
STEP 2 - Remove cover (be careful of motor wires).
STEP 3 - Be sure to place fan cover unit on the ground (Fig.16-2).
Note: Do not place or lean fan blades on ground or against surface.
STEP 4 - Remove fan motor by removing 5/16" nuts from cover.
STEP 5 - Remove fan blade from motor by removing 1/2" nut and place fan on the ground.
STEP 6 - Reverse removal process to reinstall the fan and motor.
Note: When connecting motor wires be sure to check motor direction.
Damage will occur to condenser unit if you remove 5/16" nuts prior to cover removal.
Figure 16-2
17 MATCHING TABLE AND CHECKOUT PROCEDURES
17.1 Operational and Checkout Procedures
Final phases of this installation are the unit Operational and Checkout Procedures. To obtain proper performance, all units must
be operated and charge adjustments made in accordance with procedures found in the Service Facts of the Outdoor Unit.
After installation has been completed, it is recommended that the entire system be checked against the following list:
1. Be sure unit suspension (if used) is secure and that there are no tools or loose debris in or around or on top of the unit
2. Properly insulate suction lines and fittings
3. Properly secure and isolate all refrigerant lines
4. Verify that all electrical connections are tight
5. Check all duct outlets; they must be open and unrestricted
6. Check drain lines and be sure all joints are tight
7. Be sure that a return air filter is installed
8. Operate complete system in each mode to verify proper performance. Verify operation of supplementary electric heater
NOTE
1/2
nut
"
5/16
nuts
"
22
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Troubleshooting
