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Carrier 06D User Manual

Page 5

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5

Fig. 3 — Unit Label Diagram — 06D,07D Units

AUX

Auxiliary

C

Compressor Contactor

CH

Crankcase Heater

CR

Control Relay

DX

Direct Expansion

EQUIP — Equipment
FU

Fuse

GND

Ground

HPS

High-Pressure Switch

IP

Internal Protector

LLS

Liquid Line Solenoid Valve

LPS

Low-Pressure Switch

M3

Cooling Tower Fan

NEC

National Electrical Code

OL

Overload

OPS

Oil-Pressure Switch

POR

Pumpout Relay

SW

Start-Stop-Reset Switch

LEGEND

TB

Terminal Block

TM

Timer Motor

TR

Timer Relay

Terminal Block Connector

Unmarked Terminal

Marked Terminal

Factory Wiring

Field Control Wiring
To indicate common potential only;
not to represent wiring.

Splice

NOTES:

1. Factory wiring is in compliance with NEC. Any field modifications

or additions must be in compliance with all applicable codes. Use
copper, copper-clad aluminum for field power supply only.

2. Field power supply wiring must be 75 C minimum.
3. Compressor thermally protected. Three-phase motors are pro-

tected against primary single-phasing condition.

4. Pilot duty control must be field supplied. Minimum contact rating

must be 25 va.

5. 60 Hz units have 120-volt control circuit. 50 Hz units have

230-volt control circuit. A separate source of supply at the correct
voltage must be field supplied through a fused disconnect device

with a maximum rating of 15 A to TB2 connections
(Hot Side) and

(Neutral).

6. Open control circuit disconnect switch for servicing only. Discon-

nect must remain closed for crankcase heater to operate.

7. A transformer of the following rating may be field supplied for

60 Hz units: 350 va.

8. Transformer must be fused and grounded per applicable codes.
9. If any of the original wiring furnished must be replaced, it must

be replaced with 90 C wire or its equivalent.

L1

L2