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Drain work
• General area
While Air-Water Heat Pump is running in heating mode, Ice can begin accumulate on the surface of condenser .
To prevent Ice from growing, system go into De-frost mode and then Ice on the surface changes to water .
Dropped water from condenser shall be eliminated through running drain holes to prevent Ice growing at low temperature .
f In case there is not enough space for drainage out of the unit, additional drain
f
works are required . Follow the description as below
- Make space more than 100mm between the bottom of the outdoor unit and
the ground for installation of the drain hose .
- Insert the drain plug into the hole on the bottom of the outdoor unit .
- Connect the drain hose to the drain plug .
- Make sure dusts or small branches should not go into the drain hose .
• If drain work is not enough, it can lead to system performance degration and system damages .
WARNING
Drain hole Φ20 x 4 ea
Drain plug x 1ea
1 . Prepare a water drainage channel around the foundation, to drain waste water from around the unit .
2 . If the water drainage of the unit is not easy, please build up the unit on a foundation
of concrete blocks, etc . (the height of the foundation should be maximum 150 mm) .
3 . If you install the unit on a frame, please install a waterproof plate within 150 mm of
the underside of the unit in order to prevent the invasion of water from the lower
direction .
4 . When installing the unit in a place frequently exposed to snow, pay special attention
to elevate the foundation as high as possible .
5 . If you install the unit on a building frame, please install a waterproof plate (field
supply) (within 150mm of the underside of the unit) in order to avoid the drain
water dripping . (See figure)
Air discharge side
13mm
Drain cap x 3ea
ENGLISH-13
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