23
ENGLISH
Drain work
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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.
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In case there is not enough space for drainage out of the unit, additional drain
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.
≥100mm
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If drain work is not enough, it can lead to system performance degration and system damages.
WARNING
Drain cap x 3ea
Drain plug x 1ea
Drain hole Φ20 x 4 ea
Air discharge side
13mm
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)
