Precaution; Safety Precaution; Warning - Heat Controller B-DVH09SD-0 Service Manual

Heat Controller

1. Precaution

1.1 Safety Precaution

To prevent injury to the user or other

people and property damage, the following
instructions must be followed.
Incorrect operation due to ignoring

instruction will cause harm or damage.
Before service the unit, be sure to

read this service manual at first.

1.2 Warning

 Installation
Do not use a defective or underrated

circuit breaker. Use this appliance on a
dedicated circuit.
There is risk of fire or electric shock.
For electrical work, contact the dealer,

seller, a qualified electrician, or an
authorized service center.
Do not disassemble or repair the product,
there is risk of fire or electric shock.
Always ground the product.

There is risk of fire or electric shock.
Install the panel and the cover of

control box securely.
There is risk of fire of electric shock.
Always install a dedicated circuit and

breaker.
Improper wiring or installation may cause
electric shock.
Use the correctly rated breaker of

fuse.
There is risk of fire or electric shock.
Do not install, remove, or reinstall the

unit by yourself (customer).
There is risk of fire, electric shock, explosion,
or injury.
Be caution when unpacking and

installing the product.
Sharp edges could cause injury, be especially
careful of the case edges and the fins on the
condenser and evaporator.
Take care to ensure that power cable

could not be pulled out or damaged during
operation.
There is risk of fire or electric shock..
Do not touch (operation) the product

with wet hands..
Do not allow water to run into

electrical parts or the unit.
It may cause fire, failure of the product, or
electric shock.
Do not store or use flammable gas or

combustible materials near the product.
There is risk of fire or failure of product.
Do not use the product in a tightly

closed space for a long time.
Oxygen deficiency could occur.
If abnormal noises or smoke comes

from product, turn the breaker off or
disconnect the power supply cable.
There is risk of electric shock or fire.
Do not open the inlet grill of the

product during operation. (Do not touch the
electrostatic filter, if the is equipped with
one .)
There is risk of physical injury, electric shock,
or product failure..
Turn the main power off when

cleaning or maintaining the product.
There is risk of electric shock.
When the product will not be used for

a long period of time, turn off the circuit
breaker.
There is risk of product damage or failure, or
unintended operation.
 CAUTION
Always check for refrigerant leakage

after installation or repair of product.
Low refrigerant levels may cause operational
failure.
Install the drain hose to ensure that

water is drained away properly.
Improper installation may cause water
leakage and damage to personal property.
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DVC/DVH Inverter Mini-Split