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*Field-supplied.
NOTES:
1. Factory wiring is in accordance with NEC. Field modifications or
additions must be in compliance with all applicable codes.
2. Wiring for field power supply must be rated 75 C minimum. Use
copper, copper-clad aluminum, or aluminum conductors. Maxi-
mum incoming wire size for each terminal block is 500 kcmil.
3. Terminal blocks TB3, TB4, TBX1, and TBX2 are for external field
control connections. Control connections are to be Class 1 wiring.
4. Field-supplied components (IFC, LLS-A1, A2, B1, and B2) must
have a maximum sealed coil rating of 30 va each (0.25 amp at
120vac, 0.13amp at230 vac).AHMSIFC-AUX contactmusthave
minimum pilot duty rating of 375 va each (3.1 amps at 120 vac,
1.6 amps at 230 vac).
5. Replacement of factory wires must be with type 105 C wire or its
equivalent.
6. Field-supplied liquid line solenoid valves installed at the evapora-
tor are required on all units.
7. Controlhas35va ofpoweravailablefor field-installedaccessories.
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
Fig. 27 — Field Wiring, Single ModuPanel™ Control, Unit 38AH104
35