10
Drain work
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 works are required. Follow the description as below
- Make space more than 50mm 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.
≥5
0m
m
• If drain work is not enough, it can lead to system performance degration and system damages.
Drain plug x 1ea
Drain hole Ø20
Air discharge side
30 mm
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 150mm).
3. If you install the unit on a frame, please install a waterproof plate within
150mm 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)
WARNING
Installing the unit
