25HPA6

Table 1 – Refrigerant Connections and Recommended Liquid and Vapor Tube Diameters (in.)

 

LIQUID

 

RATED VAPOR*

UNIT SIZE

 

 

 

 

Connection

Tube

Connection

Tube

 

Diameter

Diameter

Diameter

Diameter

 

 

 

 

 

25HPA624

3/8

3/8

3/4

3/4

25HPA636

3/8

3/8

7/8

7/8

25HPA648

3/8

3/8

7/8

1--- 1/8

25HPA660

3/8

3/8

7/8

1--- 1/8

* Units are rated with 25 ft. (7.6 m) of lineset. See Product Data sheet for performance data when using different size and length linesets.

Notes:

1.Do not apply capillary tube indoor coils to these units.

2.For Tubing Set lengths between 80 and 200 ft. (24.38 and 60.96 m) horizontal or

20 ft. (6.1 m) vertical differential, refer to the Residential Piping and Longline Guideline using Puron refrigerant.

Table 2 – Accessory Usage

 

REQUIRED FOR

REQUIRED FOR LONG LINE

REQUIRED FOR SEA

 

LOW---AMBIENT COOLING

ACCESSORY

APPLICATIONS*

COAST APPLICATIONS

APPLICATIONS

 

(Over 80 ft/24.38 m)

(Within 2 miles/3.22 km)

 

(Below 55°F/12.8_C)

 

 

 

Crankcase Heater

Standard

Standard

Standard

 

Standard with Infinityt Control

No

 

Evaporator Freeze Protection

(Low Ambient not allowed with non ---

No

 

communicating thermostat)

 

 

Liquid---Line Solenoid Valve

No

Yes

No

 

Standard with Infinity Control (Low

No

 

Low---Ambient Control

ambient not allowed with non ---commu-

No

 

nicating thermostat)

 

 

Puron Refrigerant Balance Port

Yes{

Yes{

Yes{

Hard---ShutOff TXV

 

 

 

Support Feet

Recommended

No

Recommended

 

Standard with Infinity Control

No

 

Winter Start Control

(Low Ambient not allowed with non ---

No

 

communicating thermostat)

 

 

*For tubing set lengths between 80 and 200 ft. (24.38 and 60.96 m) horizontal or 20 ft. (6.10 m) vertical differential (total equivalent length), refer to the Long Line Guideline—Air Conditioners and Heat Pumps using Puron® Refrigerant.

{Required on all indoor units. Standard on all new Puron refrigerant fan coils and furnace coils.

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Carrier 25HPA6 instruction manual Accessory Usage, Liquid Rated Vapor Unit Size