Wiring Diagrams

Quick access to LRC wiring schematics and programming guides for supported models.

Browse and download LRC wiring diagrams and programming instructions for common unit models and control options, including reverse configurations, transformer relay boxes, and defrost systems. These documents help ensure accurate installation, troubleshooting, and safe service in the field.

Links & Resources

ACC 1 Fan Wiring Diagram - Single Phase

Wiring diagram for ACC 1 fan units with no controls, covering 208/230/460V, 60Hz, single-phase motor connections.

ACC 2 Fan Wiring Diagram - Three Phase

Wiring diagram for ACC 2 fan units with no controls, showing 208/230/460V, 60Hz, three-phase motor and terminal connections.

ACC 6 Fan Wiring Diagram - Three Phase

Wiring diagram for ACC 6 fan units with no controls, including six-motor connections and 208/230/460V, 60Hz, three-phase wiring.

BK17-40 & WM Series Wiring Diagram

Wiring diagram for BK17-40 and WM Series units with a 115V LAE controller, three-speed EC motor, and liquid line solenoid.

CE Unit Wiring Diagram with Reverse Option

Wiring diagram for CE units with 1, 2, or 3 fans, including three-speed operation and an optional reverse motor rotation configuration for opposite airflow.

CTE Series Wiring Diagram with Potentiometer

Wiring diagram for CTE and compatible EC models using a potentiometer for motor speed control, with optional condensate pump and level switch connections.

CTIH Wiring Diagram with Combi Pump

Wiring diagram for CTIH units with a combi pump, solenoid, and fan motor, including low- and high-speed motor control connections.

D Unit - Reverse Flow Option Wiring Diagram

Wiring diagram for D units showing three-speed motor operation, liquid line solenoid connections, and reverse rotation for opposite airflow.

HS 25-120 Series EC & CL Wiring Diagram

Wiring diagram for HS 25-120 Series EC and CL-EC units with an ES-4331EC motor and potentiometer.

LPA-Q Units - Reverse Option Wiring Diagram

Wiring diagram for LPA-Q units with three-speed motor operation, liquid line solenoid, and reverse airflow option.

Q Unit Wiring Diagram with Reverse Option

Wiring diagram for Q units with 1, 2, or 3 fans, including standard and reverse-airflow speed connections.

RM Series Wiring Diagram with Potentiometer

120 VAC wiring diagram for RM Series and related EC units featuring the ES-4331EC motor and potentiometer control.

RMB Series Wiring Diagram with Potentiometer

120 VAC wiring diagram for RMB35EC, RMB50EC, and RMB65EC units with ES-4331EC motor and potentiometer control.

RMD Series Wiring Diagram with Potentiometer

120 VAC wiring diagram covering RMD Series EC units with ES-4331EC motor and potentiometer control.

SLA Wiring Diagram with Reverse Option

Wiring diagram for SLPA-Q units showing standard operation, three-speed control, and reverse-airflow connections.

SLE & SLPE 120V Wiring Diagram

115V/60/1 wiring diagram for SLE and SLPE units with drain pan heater, heater safety, defrost termination, and fan delay connections.

SLE & SLPE 230V Wiring Diagram

230V/60/1 wiring diagram for SLE and SLPE units with drain pan heater and associated fan and heater connections.

SLPA Wiring Diagram with Reverse Option

Wiring diagram for SLPA-Q units with up to six motors, three-speed operation, and reverse-airflow configuration.

SLPE Wiring Diagram

Wiring diagram for SLPE units showing heater, fan, defrost termination, heater safety, and three-speed motor connections.

VAH Series - ES-4331EC Potentiometer Wiring

Wiring diagram for VAH EC units using the ES-4331EC motor and potentiometer, with connections for up to six motors and optional condensate pump and level switch. The diagram covers VAH25EC, VAH31EC, VAH47EC, and VAH87EC models.

VRM Series - ES-4331EC Potentiometer Wiring

Wiring diagram for VRM EC units using the ES-4331EC motor and potentiometer, with optional condensate pump and level switch connections. The diagram covers VRM25EC, VRM35EC, VRM50EC, and VRM65EC models.

WM-BK Programming Instructions

Instructions for programming and operating the LAE Electronic AT2-5 controller, including display functions, parameter settings, defrost controls, alarms, and technical specifications.

WM Wiring Diagram with LAE Control, Speed Control & Solenoid

115V wiring diagram for WM 15, 25, 35, and 50 units featuring an LAE AT2 controller, 4331 EC motor, potentiometer speed control, and liquid line solenoid.