4
1.
Do not install the unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates at surrounding of
the unit, it may cause fire.
2.
Carry out drainage piping as mentioned in installation instructions. If drainage is not perfect, leakage may happen and may cause damage
to properties of the user.
3.
Select an installation location which is easy for maintenance.
4.
Power supply connection to the Tank Unit.
– Power supply point should be easily accessible place for power disconnection in case of emergency.
– Permanent connection of Tank Unit to the power supply is strongly recommended.
– The equipment must connect to 4 wires, 3 phase distribution system, using power supply cord of minimum size 5 x 1.5mm
2
type
designation 60245 IEC 57 or heavier cord.
– Connect the power supply cord of the Tank Unit to the main with the circuit breaker for permanent connection:
Use and approve 4 poles, 16A circuit breaker with a minimum 3.0mm contact gap. Additional earth pole connection must be carried out for
Tank Unit to the main power supply distribution system.
5.
After installation or service, it is obliged to verify correct operation of the Tank Unit. Check the connection points for water leakage. If
leakage occurs, it will cause damage to other property.
6.
Do not install this appliance in a laundry room or other high humidity location. This condition will cause rust and damage to the
unit.
7.
Make sure the insulation of power supply cord does not contact to hot part (i.e. refrigerant piping, water piping) to prevent from
insulation failure (melt).)
8.
Ensure the correct polarity is maintained throughout all wiring. Otherwise, it will cause electrical shock or fire.
9.
Keep the outdoor sensor cable segregated from main supply and keep away from equipment that emits radio frequency.
10. Must not short the neutral conductor of the Tank Unit with earth. Make sure the neutral conductor is properly connected and makes
reliable contact before putting the system into operation.
11. The unit described in this manual is designed for use in a closed water system only. Utilization in an open water circuit may lead to
excessive corrotion of the water piping.
Summary of Contents for WH-TX30B9E8
Page 7: ...7 4 Location of Controls and Components 4 1 Tank Unit 4 1 1 Location of Control ...
Page 8: ...8 4 1 2 Main Components ...
Page 9: ...9 5 Dimensions ...
Page 10: ...10 6 Water Cycle Diagram ...
Page 11: ...11 7 Wiring Connection Diagram ...
Page 12: ...12 8 Electronic Circuit Diagram 8 1 Indoor Unit ...
Page 13: ...13 9 Printed Circuit Board 9 1 Tank Unit 9 1 1 Main Printed Circuit Board ...
Page 14: ...14 9 1 2 Surge Printed Circuit Board ...
Page 47: ...47 15 2 Heater Removal Procedures ...
Page 48: ...48 15 3 Main Printed Board Removal Procedures ...
Page 49: ...49 15 4 Control Board Removal Procedure ...
Page 50: ...50 15 5 Pressure Relief Valve Procedures ...
Page 51: ...51 15 6 Flow Switch Removal Procedures 15 7 Water Pump Removal Procedures ...
Page 52: ...52 16 Technical Data 16 1 Pump Characteristic 16 2 Water Tank Sensor Characteristic ...
Page 53: ...53 ...
Page 54: ...54 ...