Rheem WSPM 018J, Installation Instructions Manual

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TABLE OF CONTENTS
IMPORTANT SAFETY INFORMATION ..................................................... 3
REQUIREMENTS & CODES ..................................................................... 4
GENERAL INFORMATION ........................................................................ 4
Before You Install this Unit ...................................................................... 4
Locating the Air Conditioner .................................................................... 4
Minimum Clearance Requirements ......................................................... 4
Service Access Clearances ................................................................. 4
Clearances to Combustible Materials .................................................. 4
Air Duct System ...................................................................................... 4
AIR CONDITIONER INSTALLATION ........................................................ 5
Unpacking the Unit .................................................................................. 5
Installing Return & Supply Air Collars (Optional) .................................... 5
Supply Duct ......................................................................................... 5
Return Duct ......................................................................................... 5
Locating & Installing the Return Air Assembly ........................................ 5
Locating & Installing the Supply Damper(s) ............................................ 6
Connecting the Return & Supply Air Flexible Ducts ................................ 6
Condensate Drainage ............................................................................. 6
ELECTRICAL CONNECTIONS ................................................................. 7
Pre-Electrical Checklist ........................................................................... 7
Line Voltage ............................................................................................ 7
Overcurrent Protection ............................................................................ 7
Grounding ............................................................................................... 7
Thermostat / Low Voltage Connections .................................................. 7
Cooling Only Thermostat ..................................................................... 8
Heat / Cool Thermostat ....................................................................... 8
Blower Speed - ECM Motor .................................................................... 8
START UP & ADJUSTMENTS .................................................................. 8
Pre-Start Checklist .................................................................................. 8
Start-Up Procedure ................................................................................. 8
Air Circulation ...................................................................................... 10
System Cooling ................................................................................... 10
System Heating ................................................................................... 10
REFRIGERANT CHARGING ..................................................................... 10
Charging the Unit .................................................................................... 10
Safety switches ....................................................................................... 10
AIR CONDITIONER MAINTENANCE ........................................................ 10
FIGURES & TABLES ................................................................................. 11
Figure 9. Unit Dimensions ................................................................... 11
Table 3. Physical Data ........................................................................ 11
Wiring Diagrams ..................................................................................... 12
Figure 10. Wiring Diagram (1.5, 2, & 2.5 Ton Models) ........................ 12
Figure 11. Wiring Diagram (3, 3.5, 4, & 5 Ton Models) ....................... 13
Refrigerant Charging Tables ................................................................... 14
Table 4. Charging Table for 1.5 Ton Units .......................................... 14
Table 5. Charging Table for 2 Ton Units ............................................. 14
Table 6. Charging Table for 2.5 Ton Units .......................................... 15
Table 7. Charging Table for 3 Ton Units ............................................. 15
Table 8. Charging Table for 3.5 Ton Units .......................................... 16
Table 9. Charging Table for 4 Ton Units ............................................. 16
Figure 12. Charging Chart for 5 Ton Units .......................................... 17
INSTALLATION CHECKLIST .................................................................... 20
REPLACEMENT PARTS ........................................................................... 20