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66324-YIM-B-1004
Unitary Products Group
31
TYPICAL WIRING DIAGRAM NOTES
(SEE FIGURES 16, 17, 18 AND 19)
1.
All field wiring to be accomplished following city, local
and/or national codes in effect at time of installation of
this unit.
2.
Motors are inherently protected.
3.
See unit nameplate for maximum fuse size and minimum
circuit ampacity.
4.
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 23)
tape unused speed tap wires to prevent shorting and
secure near M2 contactor.
5.
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.
6.
If both LR and ASCT are present, wire 801/BL and 805/
BL are connected to ASCT-3 if LR only is present wire
801/BL and 805/BL are connected to M1 coil. If ASCT
only is present wire 202/Y is connected to ASCT-3. If
neither LR or ASCT are present, Wire 202/Y is connect
to M1 coil.
FIGURE 23 - WIRING DIAGRAM DETAIL B (460 & 575-3-60 POWER SUPPLY)
1
1.
See Figures 18 and 19.
Label all wires prior to disconnection when servic-
ing 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 opera-
tion after servicing.
Open all disconnects before servicing this unit.
FIGURE 24 - TYPICAL WIRING DIAGRAM
LEGEND
1
1.
See Figures 16, 17, 18 and 19
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Содержание CHAMPION PLUS DNH018
Страница 28: ...66324 YIM B 1004 28 Unitary Products Group FIGURE 20 TYPICAL WIRING DIAGRAM D1NH 060 208 230 1 60 POWER SUPPLY...
Страница 29: ...66324 YIM B 1004 Unitary Products Group 29 FIGURE 21 TYPICAL WIRING DIAGRAM D1NH 060 208 230 3 60 POWER SUPPLY...
Страница 30: ...66324 YIM B 1004 30 Unitary Products Group FIGURE 22 TYPICAL WIRING DIAGRAM D1NH 060 460 3 60 POWER SUPPLY...