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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. Wiringforfield powersupplymust berated75 Cminimum. Use
copper, copper-cladaluminum, or aluminumconductors. 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-suppliedcomponents(IFC,LLS-A1,A2,B1,andB2)must
have a maximum sealed coil rating of 30 va each (0.25amp at
120 vac, 0.13 amp at 230 vac). AHMS IFC-AUX contact must
have minimum pilot duty rating of 325 va each (2.7 amps at
120 vac, 1.4 amps at 230 vac).
5. Replacement of factory wires must be with type 105 C wire or
its equivalent.
6. Field-suppliedliquidline solenoidvalvesinstalled attheevapo-
rator are required on all units.
7. Control has 25 va of power available for field-installed
accessories.
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. 26 — Field Wiring, Single ModuPanel™ Control, Unit 38AH094
34