Carrier specifications Unit Label Diagram - 06D,07D Units

LEGEND

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

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

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

with a maximum rating of 15 A to TB2 connections L1 (Hot Side) and L2 (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.

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

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