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*Field-supplied.
NOTES:
1. Factory wiring is in accordance with NEC; field modifications or addi-
tions must be in compliance with all applicable codes.
2. Wiring for field power supply must be rated 75 C minimum. Use cop-
per, copper-clad aluminum, or aluminum conductors. Maximum
incoming wire size for each terminal block is 500 kcmil.
3. Terminal blocks TB3 and TB4 are for external field control connec-
tions. Control connections are to be Class 1 wiring.
4. Field-suppliedcomponents(IFC,LLS-A,andLLS-B) musthaveamaxi-
mum sealed coil rating of 30 va each (.25 amp at 120 vac, .13 amp at
230 vac). AHMS IFC-AUX must have a minimum pilot duty rating of
200 va (1.7 amps at 120 vac, 0.9 amps at 230 vac) each.
5. Replacement of factory wires must be with type 105 C wire or its
equivalent.
6. Field-suppliedliquidlinesolenoidvalves installedattheevaporator are
required on all units.
7. Units have 175 va of power available for field-installed accessories.
Fig. 24 — Field Wiring, Single ModuPanel™ Control, 38AH044-084 Dual-Circuit Units
LEGEND
AHMS — Air Handler Motor
Starter
AUX — Auxiliary
C—Compressor Contactor
FU — Fuse
GND — Equipment Ground
IFC — Indoor Fan Control
kcmil — Thousand Circular Mils
LLS — Liquid Line Solenoid
NEC — National Electrical Code
(U.S.A. Standard)
SDR — Solenoid Drop Relay
TB — Terminal Block
TBX — Terminal Block for Variable
Air Volume Units
TM — Timer Motor
TR — Timer Relay
TRAN — Transformer
U—Unloader Solenoid
Factory Wiring
Field Wiring
32