Carrier 50PG03-07 Make Electrical Connections, Field Power Supply, Condensate Drain Pan

INSERT SIDE DRAIN PLUG FOR DOWN DRAIN USE.

DRILL 5/8” DIA. (0.625 mm) HOLE THRU FOR DOWN DRAIN USE.

50PG03-- 07

C10321

Fig. 5 - Condensate Drain Pan

OPTIONAL UNIONS

TO ALLOW FOR CONDENSATE

PAN REMOVAL

4" (102mm)

CONDENSATE

PAN ACCESS

PANEL

C06234

Fig. 6 - External Trap for Condensate Drain

NOTE: Trap should be deep enough to offset maximum unit static difference. A 4-in. trap is recommended.

C06291

Fig. 7 - Condensate Drain Piping Details

Step 6 — Make Electrical Connections

(For more details, refer to the Controls, Start-up, Operation, and Troubleshooting manual).

Field Power Supply

All 208/230-v units are factory wired for 230-v power supply. If the 208/230-v unit is to be connected to a 208-v power supply, the transformers (TRAN1 and TRAN2) must be rewired by moving the black wire with the 1/4-in. female quick connect from the 230-volt connection and moving to the 200-volt 1/4-in. male terminal on the primary side of the transformer.

Refer to unit label diagram for additional information. Leads are provided for field wire connections. Use UL (Underwriters Laboratories) approved copper/aluminum connector.

When installing rooftop units, provide safety disconnect per NEC (National Electrical Code) Article 440 or local codes. For non-fused disconnects, size the disconnect according to the sizing data provided in the electrical data tables. If a fused disconnect is used, determine the minimum size for the switch based on the disconnect sizing data provided in the electrical data tables and then coordinate the disconnect housing size to accommodate the Maximum Overcurrent Protection (MOCP) device size as marked on the unit informative plate. (See Table 2 and 3.) All field wiring must comply with NEC and local codes. Size wire based on MCA (Minimum Circuit Amps) on the unit informative plate. See Fig. 8 for power wiring connection to the unit leads and equipment ground.

Route power and ground lines through control box end panel or unit basepan (see Fig. 2) to connections as shown on unit wiring diagram and Fig. 8. Factory leads may be wired directly to the disconnect.

8