Tosot GRH15DC-A6NNA1A/I - User Manual

User Manual
RV AIR CONDITIONER
Before installing and using your TOSOT Air Conditioner,
please read this user manual in its entirety.
MO DEL NUMBER
Ceiling Assembly Roof Top Unit
GRH15DC-A6NNA1A/I GRH15DC-A6NNA1A/O

Tosot GRH15DC-A6NNA1A/I Specifications

General

Brand	Tosot
Model	GRH15DC-A6NNA1A/I
Category	Air Conditioner
Language	English

Summary

First-Time Use Tips

Tips for First-Time Use

Advice for initial use of the RV air conditioner.

Safety and Instructions

Electrical Safety Warning

Important warnings and guidelines regarding electrical connections and safety.

FCC Information

Compliance information related to FCC rules and radio frequency interference.

Refrigerant Information

Details about the R-32 refrigerant used, its properties, and safety precautions.

Parts List

Recommended Operating Environment

Optimal temperature and environmental conditions for operating the air conditioner.

Parts Description

Ceiling Assembly Components

Identifies and labels the components of the indoor ceiling assembly.

Roof Top Unit Components

Identifies and labels the components of the outdoor rooftop unit.

Installation

Installation Warnings

Crucial warnings and precautions to be observed during the installation process.

Required Tools for Installation

Lists all necessary tools required for successful installation of the unit.

Select an Installation Site

Guidance on choosing the appropriate location for mounting the rooftop unit.

Installation Case A: Existing Roof Vent

Instructions for installing when a roof vent is already present at the mounting location.

Installation Case B: New Opening

Instructions for cutting a new opening if no existing roof vent is present.

Rooftop Unit Dimensions

Provides critical dimensions and opening requirements for the rooftop unit.

Applying Gasket and Sponge

Steps for correctly applying the gasket and sponge to the unit for sealing.

Mounting the Roof Top Unit

Detailed procedure for lifting and correctly positioning the outdoor rooftop unit.

Leveling the Rooftop Unit

Instructions on ensuring the unit is mounted level to prevent water leakage and ensure proper function.

Installing the Ceiling Assembly

Steps for installing the indoor ceiling assembly component.

Attaching Fabric Duct to Chassis

How to secure the fabric duct to the rooftop unit chassis using tapping screws.

Securing Bottom Duct Plate and Fabric Duct

Instructions for attaching the bottom duct plate and fastening the fabric duct.

Electric Wiring

Wiring Connections Overview

Explanation of outgoing wires (power, control) from the outdoor unit and their general connection points.

Connecting Power Supply Wires

Detailed guide on connecting the power cord to the terminal board in the junction box.

Securing Power Cord and Connecting Control Wires

How to secure the power cord and connect the indoor/outdoor control signal wires.

Ceiling Assembly Grille Installation

Operation

Control Panel Overview

Description and labeling of all buttons and indicators on the air conditioner's control panel.

Control Panel Button Functions

Explains the specific function of each button on the control panel for operation.

Remote Control Operation

Remote Control Function Icons

Explains the meaning of various icons displayed on the remote control during operation.

Remote Control Buttons: Power and Mode

Details the operation of the power button and the different mode selection functions.

Remote Control Buttons: Fan and Temperature

Explains how to adjust fan speed, temperature, and use the MENU/SET buttons.

Remote Control Functions: Display, Sleep, Timer

Instructions for controlling display light, sleep mode, and timer functions via the remote.

Remote Control Functions: Clock, Swing, Ambient Temp

How to set clock, adjust airflow swing, and display indoor ambient temperature using the remote.

Remote Control Functions: Turbo and Combination

Explains the TURBO function and how to use combination button presses for Child Lock, °F/°C, and WiFi.

Cleaning and Maintenance

Replacing the Batteries

Instructions for safely removing and installing batteries in the remote control.

Cleaning the Air Filter

Step-by-step guide on how to remove and clean the air filters for optimal performance.

Filter Reinstallation and Coil Cleaning

Instructions for reinstalling filters, cleaning condenser coils, and important warnings.

Troubleshooting Common Issues

Troubleshooting: Unit Operation & Cooling

Solutions for issues like the unit not operating or poor cooling/heating performance.

Troubleshooting: Abnormal Sounds & Water Dripping

Addresses abnormal sounds, water dripping, and ice/frost on coils.

Malfunction Codes

Error Code Troubleshooting

Provides troubleshooting steps for specific error codes like E6/E8, PL, and F1-F4.

Warranty & Customer Support

Warranty Information Details

Details on the 2-year warranty and 6-month extension options.

Customer Support Contact

Information on how to contact customer support for assistance and inquiries.