Carrier 38AH044-084 User Manual

Page 34

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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
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-supplied liquid line solenoid valves installed at the evapo-

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

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