Carrier 38YCX instruction manual Make Piping Connections, Unit Size

Page 2

NOTES:

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

ON REMAINING SIDE, AND 24BETWEEN 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

3/8DIA LIQUID LINE CONN

FIELD POWER

SUPPLY CONN

7/8DIA HOLE WITH

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

FIELD CONTROL SUPPLY CONN 7/8DIA 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

Image 2
Contents Safety Considerations InstallationMake Piping Connections Unit SizeInstallation Recommendations Liquid Vapor Unit SizeCompressor Crankcase Heater Install Electrical AccessoriesMake Electrical Connections Start-up and Check Charge24-v Control Circuit Connections LED Status OFF FlashingCare and Maintenance Defrost ControlCopyright 2002 Carrier Corp W. Morris St. Indianapolis,