Lennox 2SHP13 Series User Manual

# 48306B006 Page 1
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INSTALLATION AND MAINTENANCE
INSTRUCTIONS
2SHP13 Series
Split System Heat Pump
Sharp metal edges can cause injury. When
installing the unit, use care to avoid sharp
edges.
WARNING
Installation and servicing of air conditioning
equipment can be hazardous due to internal
refrigerant pressure and live electrical com-
ponents. Only trained and qualified service
personnel should install or service this equip-
ment. Installation and service performed by
unqualified persons can result in property
damage, personal injury, or death.
WARNING
Risk of electrical shock. Disconnect all
remote power supplies before installing or
servicing any portion of the system. Failure
to disconnect power supplies can result in
property damage, personal injury, or death.
WARNING
The equipment covered in this manual is to be installed by trained and experienced
service and installation technicians. Improper installation, modification, service, or
use can cause electrical shock, fire, explosion, or other conditions which may cause
personal injury, death, or property damage. Use appropriate safety gear including
safety glasses and gloves when installing this equipment.
WARNING
Manufactured By
A.A.C.
A Lennox International Inc. Company
421 Monroe Street
Bellevue, OH 44811
TABLE OF CONTENTS
INSTALLATION ...................................... 2
START-UP ............................................. 11
OPERATION ........................................ 15
MAINTENANCE ................................... 17
HOMEOWNER INFORMATION ........... 18
CONNECTION DIAGRAMS ................. 21
WARRANTY ......................................... 23
*48306B006*

Lennox 2SHP13 Series Specifications

General

Brand	Lennox
Model	2SHP13 Series
Category	Heat Pump
Language	English

Summary

INSTALLATION

General Installation Guidelines

Unit Placement and Clearances

Mounting Options

Electrical Wiring

Field wiring must comply with codes; follow safety warnings for line voltage and grounding.

Thermostat and Refrigerant Piping

Installing Refrigerant Line

Procedures for brazing connections, using nitrogen purge, and selecting metering devices (fixed orifice or TXV).

Line Set Routing

Metering Device Installation

Provides data for fixed orifices and shows how to install metering devices (fixed orifice or TXV) into the indoor coil.

Expansion Valve Systems

Details on selecting and installing expansion valves (TXV) and using manifold gauge sets.

Leak Testing and Evacuation

Procedures for leak testing with nitrogen and evacuating the system using a vacuum pump to remove noncondensables.

System Evacuation

Detailed steps for evacuating the system to a minimum of 500 microns using a vacuum pump and micron gauge.

START-UP

Pre-Start Checks

Rotate fan, inspect wiring, check voltage, and ensure crankcase heater is energized if applicable.

System Charging

Procedures for charging the system with HCFC-22 refrigerant based on line set diameter and weather conditions.

Charging Methods

Explains weigh-in, subcooling, superheat, and approach methods for refrigerant charging.

Weigh-In Charging Method

Subcooling Charging Method

Superheat Charging Method

Approach Charging Method

OPERATION

MAINTENANCE

Safety Precautions

Turn off power before maintenance. Electrical shock hazard is present.

Seasonal Service Checks

CONNECTION DIAGRAMS

Single Phase Wiring Diagram

Three Phase Wiring Diagram