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Lennox LRP14G User Manual

Lennox LRP14G
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Page 2
12.12
3.87
3.62
4.06
26.19
32.20
POWER ENTRY
1-1/8 DIA. KNOCKOUT
LOW VOLTAGE ENTRY
7/8 KNOCKOUT
GAS ENTRY
5.863.07
6.20
17.07
13.44
13.44
14.32
16.06
6.20
40.89
21.63
13.21
TYPICAL DRAIN
LOCATION
CONDENSATE
DRAIN 3/4 NPT
5.75
3.55
4.12
TYPICAL
VENT HOOD
SIDE VIEWS
11.49
2.33
47.66
1.98
16.77
2.48
14.02
47.66
POWER ENTRY
GAS ENTRY
6.94
2.33
11.49
16.07
18.52
3.25
4.56
20.31
21.06
23.19
RETURN
AIR
SUPPLY
AIR
TOP VIEW
Unit Dimensions - Small Base Gas/Electric
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Lennox LRP14G Specifications

General IconGeneral
TypeHeat Pump
SEER Rating14
HSPF Rating8.2
Compressor TypeScroll
RefrigerantR-410A
StagesSingle-stage
Voltage208/230V
Cooling Capacity (BTU/h)24, 000 - 60, 000
Warranty10-Year Limited Warranty on Compressor and 5-Year Limited Warranty on Parts

Summary

Unit Dimensions

Small Base Gas/Electric Dimensions

Detailed physical dimensions for the small base gas/electric unit.

Large Base Gas/Electric Dimensions

Detailed physical dimensions for the large base gas/electric unit.

Roof Curb Dimensions

Small Base Gas/Electric Roof Curb

Specifications for roof curb openings for the small base unit.

Large Base Gas/Electric Roof Curb

Specifications for roof curb openings for the large base unit.

Adjustable Roof Curb Dimensions

Dimensions for adjustable pitch roof curb installations.

Installation Overview

Inspection and Location Selection

Procedures for unit inspection and selecting installation site.

Construction Use Guidelines

Conditions for using unit during construction to avoid warranty void.

Clearances and Rigging Instructions

Minimum clearances and unit rigging instructions for safe installation.

Venting System Setup

Venting Requirements

Guidelines for venting combustion products.

Vent Hood Installation

Instructions for attaching the vent hood to the unit.

Duct System and Filters

Duct System Design

Requirements for designing and installing ductwork.

Filter Installation and Maintenance

Information on air filter installation and maintenance.

Gas and Condensate Connections

Condensate Drain Setup

Proper installation and trapping of the condensate drain line.

Gas Piping Guidelines

Recommendations and safety for gas piping installation.

Electrical Wiring and Controls

Electrical Wiring Requirements

Requirements for electrical power supply and wiring connections.

Thermostat Integration

Room thermostat location and wiring recommendations.

Heating Start-Up Procedure

Steps and checks for initiating the heating function.

Gas System Operation and Adjustment

Gas System Checks and Adjustments

Post-start checks, pressure adjustments, and burner setup.

System Operation Modes

Heat Anticipator Setting

Proper setting for heat anticipator to control heating cycles.

Cooling System Operation

Sequence of operation for the cooling system.

Cooling System Performance

Values and checks for optimal cooling system performance.

Heating Operation and Safety

Heating sequence, blower delays, and critical safety controls.

Maintenance and Diagnostics

General Maintenance Tasks

Routine tasks like filter changes and coil cleaning.

Motor and Coil Care

Lubrication, cleaning, and protection of motors and coils.

Burner and Heat Exchanger Care

Instructions for cleaning burners, vent outlet, and heat exchanger.

Control System Diagnostics

Understanding LED status for troubleshooting control system faults.

LRP14GE Wiring Diagram

Heat Pump Operation

Heater Kit and Crankcase Heater

Installation and function of optional heater accessories.

Heat Pump Cooling Sequence

Operation sequence for the cooling mode in heat pumps.

Heat Pump Heating Stages

Operation sequences for heat pump and auxiliary electric heat.

Defrost System Operation

How the defrost system operates to prevent ice buildup.

Defrost Control Features

Timing, pressure switches, and diagnostic LEDs for defrost control.

System Performance Data

Air Conditioner Cooling Performance

Performance values for AC units based on air temperature.

Heat Pump Cooling Performance

Performance values for HP units in cooling mode.

Heat Pump Heating Performance

Performance values for HP units in heating mode.

LRP14AC / LRP14HP Wiring Diagram

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