INSTALLATION METHOD
ENGLISH
9
General Considerations
Followings are should be considered before the installation of the Backup Heater.
- The installation place should be free from outdoor weather conditions such as rain, snow, wind,
frost, etc.
- Choose the place where is water-resistant or good drainage.
- Service space should be secured.
- No flammable materials around the indoor unit.
- Mice can not be appeared to prevent entering the indoor unit or attacking wires.
- Do not place anything in front of the indoor unit to ensure air circulation around the indoor unit.
- Do not locate anything under the indoor unit to be free from unexpected water out.
- In case of water pressure increasing to 3 bar, water drainage should be treated when water is
drained by safety valve.
Service Space
• Ensure that the spaces indicated by arrows
around bottom, side, and top side.
• Wider spaces are preferred for easy
maintenance and piping.
• If minimum service space is not secured, air
circulation can be troubled and internal parts
of the indoor unit can be damaged by
overheating.
• Maximum length of pipe between the
Backup Heater and unit is 10 m.
200
250
1300
200
Minimum service space
(unit : mm)
CAUTION
• If water inlet temperature is above 65 °C, the unit does not operated for the sake of
system protection.
• If water inlet temperature is below 5 °C, the unit does not operated for the sake of system
protection. Wait while unit warms up the water inlet temperature.
• Safety valve opens at water pressure 3 bar. After water charging, the pressure gage (in
front of the indoor unit) should indicate 2.0~2.5 bar. Do not exceed 3.0 bar.
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1,MFL68681815,영어 2018. 9. 22. 오전 8:26 페이지 9
