TYPICAL WIRING DIAGRAM NOTES
1.All field wiring to be accomplished following city, local and/or national codes in effect at time of installation of this unit.
2.Caution: Label all wires prior to disconnection when ser- vicing controls. Wiring errors can cause improper and dangerous operation if any of the wire as supplied with this unit must be removed it must be replaced with type 105°C, 600V wire or equivalent clearly renumbered for identification. Verify proper operation after servicing.
3.Motors are inherently protected.
4.See unit nameplate for maximum fuse size and minimum circuit ampacity.
5.Unit factory wired for low or medium speed indoor blower operation to change motor speed connect speed tap wires from indoor blower motor per Detail B (Figure 18)
tape unused speed tap wires to prevent shorting and secure near M2 contactor.
6.Select indoor blower speed to remain within the temper- ature rise range on the nameplate in heating and to obtain approximately 400 CFM/Ton in cooling.
7.If both LR and ASCT are present, wire 801/BL and 805/ BL are connected to
8.Shunt contact also used with crankcase heater. (Optional).
Open all disconnects before servicing this unit.
(ALTERNATE)
(ALTERNATE)
FIGURE 17 - TYPICAL WIRING DIAGRAM LEGEND1
1. See Figures 13, 14, 15 and 16.
28 | Unitary Products Group |
