temperzone Drain Adaptor Kit for Heat Pump Water Heaters Instruction Manual

June 3, 2024
temperzone

Drain Adaptor Kit
for Heat Pump Water Heaters
Installation Instructions

Drain Adaptor Kit for Heat Pump Water Heaters

Fig. 1 Components

Fig. 2 Tundish Positioning

Fig. 3 Plug Positioning

Note
Materials and specifications subject to change without notice due to the manufacturer’s ongoing research and development programme.

GENERAL

During heating, heat pump water heating units naturally produce condensation on the coil fins which drains into the bottom of the unit. This condensation can cause a problem if it has nowhere to drain away to and is left to pool or freeze on the ground.
The optional drain adaptor kit (060-000437) is designed to provide a convenient connection point for a condensate drainage pipe (ID 25mm) that can direct water to the nearest suitable drain.

Compatibility
The kit is compatible with Temperzone range of heat pump water heaters (MWH/ MWP/MWR/MWS/MWU). Four fan models (70kW+) require two drain adaptor kits.

COMPONENTS

Check that the following items are supplied and are in good order:

  1. Drain tundish (x1)
  2. Universal plug left/right (1 of each) (snap in the middle to separate).

INSTALLATION

  1. Check that the unit is installed level.

  2. Mount the drain tundish, as shown in figure 2, at the lowest end of the unit. The tundish is reversible, ie can be positioned outlet facing in or out, depending on which way you want to run the drain line.

  3. Insert the appropriate left or right plug in the other end of the drain rail (refer fig.3).

  4. Secure a suitable drain pipe (ID 25mm) to the outlet.

  5. Use a silicon sealer to fill any gaps between the kit parts and the unit, and to hold them in place.

  6. The drain should have a slope of at least 1 in 50 and must not be piped to a level above the unit drain tray. Fit a vent pipe within 500 mm of the unit.
    NOTE
    Plug to be split by breaking the middle part to be used on the front or the back of unit drain ends.

  7. Check the drain by pouring water into the drain tray and ensuring that it clears.

© temperzone limited 2022
003-000-239 10/22

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