NEC RH188 User Manual

MODEL NO: RH188
Thank you for purchasing the NEC room air-conditioner. All NEC products have been
carefully designed and prepared at the factory under strict quality guide lines.
We are confident that this product will give you daily comfort and satisfaction if it is handled
properly based on this owner's manual.
Please read carefully and thoroughly these operating instructions before installing your room
air conditioner.

NEC RH188 Specifications

General

Power Supply	220-240V, 50Hz
Outdoor Unit Noise Level	52 dB(A)
Refrigerant	R410A
Cooling Capacity	5.2 kW
Heating Capacity	5.8 kW

Summary

Safety Precautions

Operating Instructions

Air Conditioner Controls Overview

Explains the operation modes, thermostat, and auto swing function of the air conditioner.

Ventilation and Air Direction Control

Details vent control for air direction and horizontal/vertical air direction adjustments.

Air Conditioner Care and Maintenance

Guides on cleaning the grille, case, outdoor coils, and air filter for optimal performance.

Installation Instructions

Unit Features and Front Grille Installation

Identifies key components and provides steps for attaching the front grille to the cabinet.

Secure Unit Installation Guidelines

Details secure installation, placement, ventilation, and power connection requirements for the unit.

Drain Pan Installation Procedure

Provides instructions on how to install the drain pan for managing condensed water.

Troubleshooting Tips

Troubleshooting Common Air Conditioner Issues

Offers solutions for common problems like unit not starting or not cooling, and freezing up.