MECHANICAL SPECIFICATIONS—RJNA- SERIES

THERMOSTATS—PACKAGE HEAT PUMPS

RECOMMENDED HEAT PUMP THERMOSTATS

Units Without Economizer

 

Manufacturer

Model

 

Sub-Base

Cooling

Heating

 

 

 

Stages

Stages

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T7300A1005

 

Q7300C1006

1

2

 

 

 

 

 

 

 

 

 

 

 

T8611R1166

 

Included

1

2

 

 

 

 

 

 

 

 

 

 

Honeywell

T874R

 

Q674F1360

1

2

 

 

 

 

 

 

 

 

T841A1209

 

Included

1

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T874G1881

 

Q674F1360

1

2

 

 

 

 

 

 

 

 

 

 

 

T8141A

 

Included

1

2

 

 

 

3AAT86B8A2

 

Included

1

2

 

 

General Electric

 

 

 

 

 

 

 

 

 

 

3AAT83D9C1

 

Included

1

2

 

 

 

 

 

 

 

1F59-057

 

Included

1

2

 

 

White-Rodgers

 

 

 

 

 

 

 

 

 

 

1F92-71

 

Included

2

3

 

 

 

 

 

 

 

962-0

 

Included

1

2

 

 

Maple Chase

 

 

 

 

 

 

 

 

 

 

962-1

 

Included

1

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Units With Economizer

 

 

 

 

 

 

 

 

 

 

 

 

Honeywell

T874W1031

 

Included

2

3

 

 

 

 

 

 

 

 

 

SAMPLE

SPECIFICATIONS

Unit shall be completely factory assembled and performance tested to provide the required cooling and heating functions suitable for outdoor installations. Unit shall be UL/cUL listed and rated in accordance to ARI Standard 210.

Cabinet

Unit casing, base pan and framework shall be manufactured of galvanized sheet metal primed and finished with powder paint capable of withstanding a 1000-hour salt spray test per ASTM B 117. Unit interior cabinet surfaces shall be insulated with a minimum 1/2-inch thick foil faced insulation. Access panels shall be easily removable providing access to the blower, filter, heating compartment, and compressor/control box. Unit base rails shall be provided with fork insertion slots and rigging holes. Condensate drain pan shall be of sloped design to conform to ASHRAE 62. Unit shall be supplied ready for vertical airflow and be easily convertible to horizontal airflow at or before installation.

Compressor(s)

Unit shall be provided with fully hermetic scroll compressor(s) with internally protected safety controls.

Coils

The evaporator and condenser coils shall be fabricated of copper tubes with mechanically bonded aluminum plate fins. They shall be pressure tested prior to assembly into the unit, and electronically leak tested after assembly.

Condenser Fan

A single direct drive propeller fan shall discharge air vertically upward. The fan motor shall be permanently lubricated and have built-in overload protection.

Evaporator Blower

A single, double inlet, centrifugal wheel shall rotate in permanently lubricated ball bearings. The wheel shall be made from steel with corrosion resistant finish and shall be statically and dynamically balanced.

ACCESSORIES

ROOF CURB

Curb shall be full perimeter type, complying with the standards of the National Roofing Contractors Association. Design shall provide for drop-in of supply and return ducts prior to setting unit, and include an insulating panel for the rest of the curb area.

Economizer

Economizer shall be completely assembled for field installation. Unit shall include all controls and dampers including the barometric relief damper.

Manual Fresh Air Damper

Damper shall consist of damper and rain- hood which is manually preset to admit up to 35% of outside air for field installation.

Motorized Fresh Air Damper

Damper shall consist of motor, damper, and rainhood which can admit up to 35% of outside air for field installation.

Electric Heat Kits

Electric heat kits shall be available in a wide range of capacity with branch circuit fusing allowing single point wiring. Kits shall be UL/cUL approved. Each kit shall be offered as a field or factory installed option.

Pressure Controls

High and low pressure controls shall be included for field or factory installation.

Low Ambient Control

Low ambient control shall be provided to cycle the condenser fan in response to condensing pressure and allow operation to 0 degrees F. The option shall be field or factory installed.

Time Delay Control

Time delay control shall be provided to prevent the compressor from restarting 5 minutes after shutdown. The control shall be field or factory installed.

Louver Panel Kits

Field or factory installed louver kits shall be provided for condenser coil protection against hail or flying debris.

[ ] Designates Metric Conversions

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