Ingersoll-Rand 4WCC4042A1000A User Manual

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Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and
air-conditioning equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered
equipment by an unqualified person could result in death or serious injury. When working on the equipment, observe all precautions in the
literature and on the tags, stickers, and labels that are attached to the equipment.
September 2018
1188--EEBB2299DD11--11FF--EENN
Single Packaged Heat Pump
14 SEER Convertible, 2 — 5 Ton
4WCC4024A1000A
4WCC4030A1000A
4WCC4036A1000A
4WCC4042A1000A
4WCC4048A1000A
4WCC4060A1000A
NNoottee:: “Graphics in this document are for representation only. Actual
model may differ in appearance.”
Installer’s Guide

Ingersoll-Rand 4WCC4042A1000A Specifications

General

Brand	Ingersoll-Rand
Model	4WCC4042A1000A
Category	Heat Pump
Language	English

Summary

Safety Section

Hazardous Voltage Warning

Warning about high voltage hazards during servicing, requiring power disconnection.

Electrical Hazard Warning

Warning for qualified personnel only; avoid electrical shock by following instructions.

Grounding Required

Caution regarding proper grounding of electrical parts to prevent damage or injury.

R-410A Refrigerant Warning

Warning about R-410A refrigerant pressure and required service equipment.

Safety Hazard (Access Panels)

Warning about severe injury or death if operating without access panels installed.

Step 2 — Determine Unit Clearances

Step 4 — Unit Installation

Ground Level Installation

Procedure for installing the unit on a ground level pad.

Rooftop Curb Mounting

Instructions for installing a roof curb for rooftop units.

Install Full Perimeter Roof Curb

Lifting and Rigging

Safety precautions and procedures for lifting and rigging the unit.

Placing Unit on Mounting Curb

Instructions for positioning and placing the unit onto the roof curb.

Rooftop Frame Mounting

Rooftop Sleeper Rail Mounting

Ductwork Installation

Electrical Wiring Overview

General guidance on electrical wiring and connections.

Power Wiring

Details on running power supply lines and making connections.

Control Wiring (Class II)

Step 5 — Unit Startup

Pre-Start Quick Checklist

Starting in Cooling Mode

Operating Pressure Checks

Starting in Heating Mode

Sequence of Operation

Final Installation Checklist

Maintenance