GIA HTW HTW-AT-O-200VA2, Owners And Installation Manual

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■
Please check if the following accessories are complete.
Note: If the accessories list updates as products improve, there will be no further notice. So
please refer to the actual accessories list.
■ Power Supply Requirement
● Wiring work should be carried out by official qualified electrician, and all works should follow the
electrical appliance safety requirements.
●
The supplying wires for the appliance must have earth wire, which should be connected to the
reliable outside earth wire. Besides, the outside earth wire must be effective.
●
It must provide the power in line with the rated parameters.
● According to the national requirements for electric appliance, there should be an earth leakage
protector for the appliance.
●
The appliance should be installed in accordance with national wiring regulations.
●
When connecting to the power supply, there should be an at least 3 mm all-pole disconnect
device away from the all-pole electric shock.
● If the power plug is broken, to avoid electric shock, it must be replaced by the manufacturer, the
maintenance department or other professionals. During the replacement, the neutral wire and
the live wire should be corresponded with the neutral wire terminal (N) and the live wire terminal
(L), make sure that the connection is reliable.
●
Note: It is not allowed to disconnect or take apart the ground wire of power supply under any
circumstances. It is prevented to use damaged wires and switches and it should be replaced
immediately once it is damaged.
■ Safety Instruction
● The appliance is designed to offer suitable hot water to the users, only applied to the described
usage.
●
Do not use or store gasoline or other flammable, explosive gases or liquids near the appliance,
otherwise it may cause dangers.
● For your personal and other people's safety, please do not put anything near the air outlet or air
inlet orifices of the appliance.
●
Children are not allowable to play with the appliance in order to avoid dangers.
●
Please turn off the power when doing repair and maintenance in order to avoid accidents.
●
Install the electricity guards provided by our company to the water inlet and outlet.
Accessories
Name
QTY Pic.
(Just for reference)
Descriptions
User Manual 1 Please use this part during the
installation and using.
Y-Type Filter 1 Please use this part during the
installation.
Safety Valve 1 Please use this part during the
installation.
Electricity
Guard
2 Please use this part during the
installation.
Part 6: Common Malfunctions and Solutions
Form 1 Malfunction Code Table
Malfunction
Code
Malfunction
Name
Reason Solution
P1
High pressure
switch failure
1. High pressure switch is
broken.
2. The system is blocking and
water tank sensor is fallen off,
resulting in water
temperature over-high.
3. Refrigerant is too much.
4. There is non-condensable
gas in the refrigerant system. 1. Replace the high pressure
switch.
2. Check and fix the system
with replacing the water tank
temperature sensor correctly.
3. Eliminate excess
refrigerant.
4. Eliminate non-condensable
gas.
P2
Protection for
high discharge
temperature 1. Refrigerant is not enough.
2. There is non-condensable
gas in the refrigerant system.
1. Increase the amount of
refrigerant.
2. Eliminate non-condensable
gas.
E0
Communication
data
transmission
failure
An open or short circuit
between circuit board and
display. 1. Fix the connection line.
2. Replace the connection
line or display.
E2
Ambient
temperature
sensor fault
(open or short
circuit)
1. The sensor's connecting
wire is open circuit.
2. The sensor's probe is
fallen off.
3. The sensor's wire is short
circuit.
1. Repair the wire.
2. Fix the sensor probe again.
3. Repair the wire, and then
rule out the breakdown.
E3
Evaporator coil
temperature
sensor failure
(open or short
circuit)
1. The sensor's connecting
wire is open circuit.
2. The sensor's probe is fall
off.
3. The sensor's wire is short
circuit.
1. Repair the wire.
2. Fix the sensor probe again.
3. Repair the wire, and then
rule out the breakdown.
E5
Water tank
temperature
sensor failure
(open or short
circuit)
1. The sensor's connecting
wire is open circuit.
2. The sensor's probe is fall
off.
3. The sensor's wire is short
circuit.
1. Repair the wire.
2. Fix the sensor probe again.
3. Repair the wire, and then
rule out the breakdown.
E6
Discharge
temperature
sensor failure
(open or short
circuit)
1. The sensor's connecting
wire is open circuit.
2. The sensor's probe is fall
off.
3. The sensor's wire is short
circuit.
1. Repair the wire.
2. Fix the sensor probe again.
3. Repair the wire, and then
rule out the breakdown.
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Common Malfunctions and Solutions Cautions of Using
30