Carrier 38YCX instruction manual Make Piping Connections, Unit Size

NOTES:

1.ALLOW 30″ CLEARANCE TO SERVICE END OF UNIT, 48″ ABOVE UNIT, 6″ ON ONE SIDE, 12″

ON REMAINING SIDE, AND 24″ BETWEEN UNITS FOR PROPER AIRFLOW.

2.MINIMUM OUTDOOR OPERATING AMBIENT IN COOLING MODE IS 55° F (UNLESS LOW AMBIENT CONTROL IS USED) MAX. 115° F.

3.MAXIMUM OUTDOOR OPERATING AMBIENT IN HEATING MODE IS 66° F.

4.SERIES DESIGNATION IS THE 13TH POSITION OF THE UNIT MODEL NUMBER.

AIR IN

AIR

DISCHARGE

C

A

AIR IN

AIR IN

D

	AIR DISCHARGE
AIR
DISCHARGE
E
AIR
IN	G
B

F DIA SUCTION LINE CONN 3/8″ DIA LIQUID LINE CONN

FIELD POWER

SUPPLY CONN

7/8″ DIA HOLE WITH

1 1/8″ DIA KNOCKOUT AND 1 3/8″ DIA KNOCKOUT

FIELD CONTROL SUPPLY CONN 7/8″ DIA HOLE

A97004

UNIT	A/B		C			D			E			F		G
SIZE	In.	mm	In.	mm	In.		mm	In.		mm	In.	mm	In.		mm
024	22-1/2	571.5	3-11/16	93.6	18-1/8		460.4	14-3/8		365.1	5/8	15.88	33-15/16		862.0
036	30	762.0	6-1/2	165.1	23-1/2		596.9	20		508.0	3/4	19.05	39-15/16		1014.4
048	30	762.0	6-1/2	165.1	23-1/2		596.9	20		508.0	7/8	22.23	33-15/16		862.0
060	30	762.0	6-1/2	165.1	23-1/2		596.9	20		508.0	7/8	22.23	33-15/16		862.0

Fig. 2—Unit Reference Drawing

match, replace indoor coil piston with piston shipped with outdoor unit. The piston shipped with outdoor unit is correct for any approved indoor coil combination.

Do not operate unit in the vicinity of toxic or flammable material. Failure to follow this warning can result in personal injury, fire, or death.

Remove indoor coil piston if unit is to be installed on system with a TXV metering device.

Step 5—Make Piping Connections

Relieve pressure and recover all refrigerant before system repair or final unit disposal to avoid personal injury or death. Use all service ports and open all flow-control devices, including solenoid valves.

SERVICE

ACCESS

A97006

Fig. 3—Accessory Heat Pump Feet

2