Hotspot ACWH18, KFR-25GW, KFR-25BMVE, KFR-35GW, KFR-35BMVE Installation And Operation Manual

Air Conditioner Water Heater - A Product of HotSpot Energy LLC

PLEASE READ THIS BEFORE YOU INSTALL THE UNIT

1. This air conditioner must be installed and/or repaired by a qualified technician. If you
perform part of the installation yourself, you MUST have a qualified HVAC technician

commission the unit. Commissioning includes inspecting the installation work and

making all final electrical and refrigeration connections, evacuating the unit with a
vacuum pump, releasing the R410a pre-charged refrigerant into the system, and
starting up and testing the unit.

If you have used a HotSpot provided 25 ft. line-set extension or have used a custom­made line-set longer than the 25 ft. the technician will need to add oil and refrigerant
per the installation manual instructions.

YOU CANNOT COMMISSION THE UNIT YOURSELF.

2. The air conditioning unit must be grounded properly.

3. This unit contains a heat recovery water heating circuit. Make sure to leave the
pump switch (located on the outdoor unit) in OFF position during the installation
process until the water supply is connected and turned on. Do not allow the pump to
operate without water flow.

FAILURE TO OBSERVE THE ABOVE MAY DAMAGE THE EQUIPMENT AND VOID YOUR

WARRANTY.

Please read the SAFETY AND OPERATING INSTRUCTIONS carefully before operating the
unit. Please respect the safety precautions when using your air conditioner to prevent
fire, shock hazard, personal injury or death.

HotSpot ACWH18

SAFETY PRECAUTIONS

INSTALLATION AND OPERATION PRECAUTIONS

Do not attempt to perform any work yourself that involves opening an equipment cabinet
or that involves any refrigerant or electrical connections.

You should only do part of the installation if you are qualified to do so. This may include
mounting the outdoor unit on a pad and mounting the indoor unit, laying out and
mounting the line-set, drain line, but not connecting the line-set to the indoor or outdoor
units. You may also choose to lay out and run the electrical line from your power source
to the system but do not connect the wiring at either end. You may also choose to run the
water lines and connect them to the tank and to the unit if you are qualified to do so, if
so please follow the instructions that are provided and make sure you perform the work
in compliance with IAPMO and local plumbing codes.

If you do part of the installation improperly, this may cause water leakage, water damage,
refrigerant leakage, damage to the unit, electric shock, fire, injury or death. The unit
should be installed by a qualified technician.

ONLY A LICENSED HVAC TECHNICIAN CAN COMMISSION THE UNIT, AFTER FOLLOWING
NORMAL INDUSTRY STANDARD PROCEDURES AND MAKING ALL ELECTRICAL AND
REFRIGERANT CONNECTIONS, EVACUATING AND PROPERLY CHARGING THE SYSTEM.
COMMISSIONING MUST BE PERFORMED ACCORDING TO ASHREA/AHRI STANDARD
PROCEDURES AND LOCAL CODES.

Please use a proper ground. Improper grounding could cause electric shock, fire or
equipment damage. Do not place the ground line near water or gas pipes, electric or
telephone lines.

Do not install the unit in a place where there could be a gas leak. The unit may catch fire
or cause an explosion if flammable gas leaks around it. This unit is not rated for operation
in a hazardous environment.

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HotSpot ACWH18

Please ensure smooth flow of water when installing the drain hose. If the drain line
becomes kinked or blocked you will likely suffer water damage. The indoor unit should
be installed at least 7 ft. high from the floor.

If the fuse on the PCB board is blown, please have it changed only by a Qualified
technician.

Do not operate with wet hands.
Avoid staying directly in front of operating unit.
Do not insert foreign objects into the unit.
Always have the unit repaired by a professional technician.
Danger of electric shock or fire if used improperly.
Do not use if the power cord is damaged, it could cause an
electric shock or fire.
Do not allow children to operate the air conditioner.
Never sit on the unit.

If you notice an abnormality (burnt smell, etc) please shut the power off from the
Breaker.

The unit should not be used for any other purpose.
Avoid spilling liquids on the unit.
Do not place the air conditioner close to a heat source,
it could cause a deformation or color fading.
Do not block the air intake and outlet vents.
Do not let the air conditioner function at maximum power
for an extended period of time (close all doors and windows).
Do not operate without the air filter installed or when the
front intake grill has been removed.
Do not place anything on the unit.

Always turn the power off before cleaning the air conditioner to avoid any possible
accidents.

Please ensure proper ventilation when using the air conditioner.

HotSpot ACWH18

CONTENTS

To Consumers

Safety Precautions

Part 1 Operation Instructions
Part names and functions
1-1 Indoor unit
1-2 Outdoor unit
1-3 Remote control

Part 2 Preparation before operation
2-1 Preparations of the remote controller

Part 3 Operation Settings
3-1 Cooling – Heating – Dehumidification
3-2 Timer operation
3-3 Air flow adjustment
3-4 Fan
3-5 Automatic Mode
3-6 Emergency switch
3-8 High Power
3-9 Switch from C to F

Part 4 System Maintenance

Part 5 Water Heating Circuit

Part 6 Troubleshooting Cooling & Heating

Main Specifications

HotSpot ACWH18

PART I OPERATION INSTRUCTIONS

1. Part name and functions
1-1 Indoor Unit

COLOR DISPLAY
Green light is on: Unit is on.
Green light is off: Unit is off.
Yellow light on: Air conditioner is set on timer.
Red light is flashing: Air conditioner is abnormal, please consult a technician.

Press the “LOCK” button once, color display goes off. press it again, color

display turns back on.

1-2 Outdoor Unit

HotSpot ACWH18

1-3 REMOTE CONTROL

HotSpot ACWH18