Carrier 38AH044-084 User Manual
Page 36
*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 and TBX1 are for external field control con-
nections. Control connections are to be Class 1 wiring.
4. Field-supplied components (IFC, LLS-A1 and A2) must have a maxi-
mum sealed coil rating of 30 va each (0.25 amp at 120 vac,
0.13 amp at 230 vac). AHMS IFC-AUX contact must have mini-
mum pilot duty rating of 400 va each (3.4 amps at 120 vac,
1.8 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. Units have 175 va of power available for field-installed
accessories.
LEGEND
AHMS — Air Handler Motor Starter
AUX
— Auxilliary
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. 28 — Field Wiring, Single ModuPanel™ Control, Units 38AH124 and 134
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