Tosot GRH15DC-A6NNA1A/I Bedienungsanleitung

User Manual

RV AIR CONDITIONER

Before installing and using your TOSOT Air Conditioner,

please read this user manual in its entirety.

MO DEL NUMB ER

Ceiling Assembly Roof Top Unit

GRH15DC-A6NNA1A/I GRH15DC-A6NNA1A/O

Welcome to the TOSOT Direct Family!

We’re extremely happy to welcome you as a new member of our family! Please

read the tips below before using your product for the first time.

1. The RV air conditioner is a heavy object, which needs two or more people to lift

and install. Failure to do so could result in injury or other accidents.

2. Allow the unit to sit upright for at least 3-4 hours before powering on. Shipping

carriers may set the unit on its side, which causes the refrigerant to pool in

certain areas. Standing the unit upright for 3-4 hours allows the refrigerant to

move freely within the coils.

3. Run the unit continuously for 24 hours after installation. This allows the unit to

work out any “kinks” that may have resulted during shipping from our factory to

your doorstep.

4. Some parts with sharp edges may cause injury, so gloves are highly recommended

for unpacking and installing.

5. For a quick start video guide of installation, please contact Customer Support.

6. If you have any problems with your product, please send us an email before

submitting a return request, as there might be a simple solution for your issue.

Tips for First-Time Use

Table ofContents

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Safety and Instructions

Installation and Setup

Electrical Safety Warning

Refrigerant Information

Part List

Parts Description

Installation

Operation

Control Panel

Remote Control

Combination Buttons

Cleaning and Maintenance

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Replacing the Batteries 26

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Troubleshooting

Malfunction Codes

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Warranty & Customer Support 31

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Warranty Information

Customer Support

Safety and Instructions

Installation and Setup

Your safety and the safety of others are very important to us. Please read the

following safety precautions before use and installation. A digital version can be

obtained from customer support.

● Use the appliance only for its intended purpose as described in this manual.

● Do not use electric cords that have become frayed or otherwise damaged.

● This air conditioner must be properly installed in accordance with the Installation

instructions as described in this manual before it is used.

● Please turn off the unit and disconnect all power to the vehicle before cleaning

and servicing.

● When refrigerant leaks or requires discharge during installation, maintenance, or

disassembly, it should be handled by certified professionals or otherwise in

compliance with local laws and regulations.

● The appliance shall be stored in a room without continuously operating ignition

sources. (for example open flames, an operating gas appliance, or an operating

electric heater.)

● Compliance with national gas regulations shall be observed.

● Should repair be necessary, contact your nearest authorized Service Centre. Any

repairs carried out by unqualified personnel may be dangerous.

● Air conditioners covered in this manual are designed for installation on an RV’s roof.

● Installation of this air conditioner must be in accordance with NFPA 1192 and

NFPA 70.

Electrical Safety Warning

● All wiring must be complied with local and national electrical codes. All wiring

must be installed by qualified electricians. If you have any questions about the

instructions, contact a qualified electrician.

● Make sure the power supply is cut off you until finish installing the air conditioner.

Otherwise, it may cause an electric shock.

● Check the available power supply and resolve any wiring problems before

installing and operating this unit.

● This air conditioner is designed to operate from a 115V AC, 60Hz, 1 Phase

power supply.

● Air switch should include magnet buckle and heating buckle function to can

protect the circuit from short and overloading.

● An all-pole disconnection switch having a contact separation of at least 3mm in

all poles should be connected in the fixed wiring.

● Electrical wiring may be present between roof and ceiling. Be sure that power is

disconnected at the mains and battery.

FCC Information

However, there is no guarantee that interference will not occur in a particular

installation. If this equipment does cause harmful interference to radio or television

reception, which can be determined by turning the equipment off and on, the user

is encouraged to try to correct the interference by one or more of the following

measures:

This device complies with part 15 of the FCC Rules. Operation is subject to the

condition that this device does not cause harmful interference.

Note:

This equipment has been tested and found to comply with the limits for a Class

B digital device, pursuant to part 15 of the FCC Rules. These limits are designed

to provide reasonable protection against harmful interference in a residential

installation. This equipment generates, uses and can radiate radio frequency

energy and, if not installed and used in accordance with the instructions, may

cause harmful interference to radio communications.

● Reorient or relocate the receiving antenna.

● Increase the separation between the equipment and receiver.

● Connect the equipment into an outlet on a circuit different from that to which the

receiver is connected.

● Consult the dealer or an experienced radio/TV technician for help.

● This air conditioner utilizes fluoride R-32 refrigerant, which is a next-generation

refrigerant that efficiently carries heat and has a lower environmental impact than

other refrigerants.

● Compared to other common refrigerants, R32 is a nonpolluting refrigerant with no

harm to the ozone layer of the atmosphere. The influence of the greenhouse effect

is also lower. R32 has very good thermodynamic features which lead to high energy

efficiency. The units, therefore, need less filling and maintenance.

● The refrigerant is flammable and odorless. Furthermore, it can lead to explosions

under certain conditions. However, the flammability of the refrigerant is very low

and can only be ignited by fire.

● The appliance should be stored in a room without continuously operating ignition

sources, for example, open flames, an operating gas appliance, or an operating

electric heater.

● Ducts connected to an appliance should not contain an ignition source.

● Keep any required ventilation openings clear of obstructions.

● Do not pierce or burn the appliance or any of its components.

● Be aware that refrigerants may not contain an odor in the presence of a leak.

● Do not use means to accelerate the defrosting process or to clean, other than

those recommended by the manufacturer.

● Servicing shall be performed only as recommended by the manufacturer.

Appliance filled with flammable gas R32.

A2L

Refrigerant Information

Parts List

Fabric duct

PARTLOOKS LIKE QUANTITY

Before using the appliance, read the owner's manual first.

Recommended Operating Environment

● The recommended operating temperature range is 23°F-115°F (-5°C-46°C).

(Heating:23°F-75°F (-5°C-24°C ) /Cooling:64°F-115°F (18-46°C).

● The outdoor unit may stop operation due to various kinds of protection within the

working temperature range.

● Air inlet should be far away from obstacles and not have any objects near the air

outlet. Otherwise, it will affect the radiation of the heat-removal pipe.

● Please try your best to keep far away from fluorescent lamp.

● The appliance shall not be installed in laundry areas.

Tapping screw for

duct plate 8

Remote control holder

Double-sided tape

AAA battery

PARTLOOKS LIKE QUANTITY

Fixing screw for

remoter control holder 2

Remote control 1

Bolt for ceiling

assembly (7.5 inch)

Sponge (sealing strip)

Gasket

Screw cap 6

Duct plate 1 set

Bolt for ceiling

assembly (5.3 inch) 4

use in

indoor

(bottom)

use in

outdoor

(upper)

Parts Description

Ceiling Assembly

Roof Top Unit

Note:This is a universal introduction for a variety of models. The display

content may be different from the actual. Please refer to the actual unit.

1Air Outlet 2Filter Sub-assy

4Air Inlet 5Remote Control

3Control Panel

1Air Inlet

2Drainage Outlet

3Chassis

Installation

Warning

● The air conditioner has been designed for use in recreational vehicles.

● Be careful when testing the unit. Do not operate the unit with the exterior case

removed.

● Outdoor unit can't be installed at the low recess of the roof of the vehicle. It must

be mounted on the flat surface of the roof to make sure rain, car-washwater,

condensated water, etc. can be drained smoothly. No water is allowed to be

accumulated around the outdoor unit. Otherwise, it will cause malfunction or

safety hazards as the water will pour into the air conditioner.

● There must be 1.2 to 5.32 inches between the RV ceiling and roof.

Required Tools

1. Screwdriver

2. Electric Drill with 1/8” drill bit

3. Bubble Level

4. Pencil

5. Torque Wrench (0-60 in-lbs)

6. Ruler

7. Scissors

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