Control Wiring; Internal Wiring; Grounding - Rheem RQPM 15/16 Seer Series Installation Instructions Manual

FIGURE 5
HEATER KIT INSTALLATION
RECOMMENDED
WIRING
contactor L1 and L3 connections. Connect ground lead to ground lug on heater kit
fuse block.
b. Dual-circuit wiring: Remove unit power pigtails from heater kit fuse block and
discard. Connect one set of high voltage field power circuit leads to the heater kit
fuse block and connect ground lead to ground lug on heater kit fuse block.
Connect the second set of high voltage field power leads to L1 and L3 on the unit
contactor. Connect ground lead to ground lug on control box bulkhead.
c. Connect heater kit control plug to receptacle in control box.
12. Replace control box access panel.
13. Restore power to unit and verify proper unit and heater kit operation.
C. CONTROL WIRING (Class II)
1. Do not run low voltage wiring in conduit with power wiring.
2. Control wiring is routed through the 7/8" hole corner adjacent to the control box.
See Electrical Connections, Figure 1. Use a minimum #18 AWG thermostat wire.
For wire lengths exceeding 50', use #16 AWG thermostat wire. The low voltage
wires are connected to the unit pigtails which are supplied with the unit in the low
voltage connection box located within the unit control box. See Figure 5.
3. It is necessary that only heat pump thermostats be used.
4. Figure 6 shows representative low voltage connection diagrams. Read your ther-
mostat installation instructions for any special requirements for your specific ther-
mostat.
HEATER
ELEMENTS
NOTE — Units installed in Canada require that an outdoor thermostat (30,000
min. cycles of endurance) be installed and be wired with C.E.C. Class I wiring.
D. INTERNAL WIRING
1. A diagram of the internal wiring of this unit is located on the electrical control box
cover. If any of the original wire as supplied with the appliance must be replaced,
the wire gauge and insulation must be the same as original wiring.
E. GROUNDING
WARNING
THE UNIT MUST BE PERMANENTLY GROUNDED. A GROUNDING LUG IS
PROVIDED. FAILURE TO GROUND THIS UNIT CAN RESULT IN FIRE OR ELEC-
TRICAL SHOCK CAUSING PROPERTY DAMAGE, SEVERE PERSONAL INJURY
OR DEATH.
HEATER
KIT
WIRING
11