Carrier 38AH044-084 User Manual

Page 36

Advertising
background image

*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

36

Advertising