COMFORT-AIRE PS-121B - User Manual

517.787.2100 • www.marsdelivers.com • www.heatcontroller.com
Installation, Operation
& Maintenance Manual
Heat Controller • 1900 Wellworth Ave. • Jackson, MI 49203 • (517)787-2100 • www.heatcontroller.com
INSTALLATION, OPERATION
& MAINTENANCE MANUAL
Portable Room Air Conditioner
and Heat Pump
PS-121B
PSH-141A
French version of this manual is available on our website

Summary

Safety Precautions and Guidelines

Safety Rules for Operation

Instructions to prevent injury and property damage during unit operation.

Operating Conditions and Installation Tools

Temperature ranges for operation and tools required for window kit installation.

Electrical Safety Guidelines

Ensuring adequate electrical service, proper grounding, and hazard avoidance.

Unit Component Identification

Safety Warnings for Unit Use

Warnings regarding flammable substances and electrical safety during unit use.

Electrical Information and Grounding

Importance of proper grounding and adequate electrical service for safe operation.

Included Accessories

Visual identification and list of all accessories included with the unit.

Front Panel Identification

Identification of components on the front panel of the air conditioner.

Rear Panel Identification

Identification of components on the rear panel of the air conditioner.

Air Conditioner Features and Controls

Electronic Control Operation

Guide to operating the unit via the control panel or remote controller.

Control Panel Overview

Detailed explanation of buttons, modes, and display functions on the unit's control panel.

Operating Instructions and Error Codes

Error Codes and Protection

List of error codes (E1-E4, P1) and initial troubleshooting steps.

Operating Modes

Instructions for COOL, HEAT, DRY, AUTO, FAN, and TIMER modes.

Operational Features and Notes

Sleep Mode Operation

How to activate and the effects of the Sleep mode on temperature settings.

Auto-Restart and Time Delay

Unit behavior after power loss and compressor restart delay.

Airflow Direction Adjustment

Instructions for adjusting the louver for airflow direction and swing.

Installation Instructions - General

Location Selection

Guidance on selecting a suitable placement for the unit, considering space and safety.

Window Slider Kit Installation

Instructions for fitting the window slider kit to standard windows.

Installation Instructions - Window Types

Double-Hung Sash Window Installation

Step-by-step guide for installing the unit in a double-hung sash window.

Installation Instructions - Window Types

Sliding Sash Window Installation

Step-by-step guide for installing the unit in a sliding sash window.

Installation Instructions - Exhaust

Exhaust Hose Installation

Instructions for installing or removing the exhaust hose based on operating mode.

Installation Instructions - Drainage

Condensate Drainage

Procedures for draining condensate water during dry and heat pump modes.

Care and Maintenance

General Maintenance Precautions

General precautions before cleaning or servicing the unit.

Air Filter Maintenance

Instructions for cleaning and reinstalling the air filters.

Unit Cabinet Cleaning

Method for cleaning the exterior cabinet of the unit.

Unit Storage Procedures

Steps for preparing the unit for long-term storage.

Troubleshooting Guide

COMFORT-AIRE PS-121B Specifications

General

Type	Portable Air Conditioner
Cooling Capacity	12, 000 BTU
Power Supply	115V / 60Hz
Operating Current	10.5 A
Noise Level	54 dB