155
Aquarea air-to-water heat pumps - Planning and installation manual - 02/2022
Installation
6
Bracing as support against tilting
Note: Schematic figure for explanation purposes only.
!
IMPORTANT
If the periods in outside temperatures below 0 °C are long, ground frost can cause the condensate
to form ice. The result can be that the condensate cannot drain off and faults arise in the
heat pump operation. For safe drainage of condensation water even at outside temperatures
below 0 °C, a drain pipe is recommended, reaching into the frost-free area of the underground
5.2.2.3 Securing the outdoor unit, p. 102
5.2.3.3 Securing the mono-bloc unit, p. 111
).
6.5
Opening devices
WARNING
Danger to life from electric shock
The devices are operated with 230 V or 400 V alternating current. Touching the live electrical
cables can be life-threatening due to electrical shock.
►
Before opening the device, make sure that the entire system is disconnected from the
electric supply. Especially in case of outdoor units of bi-bloc systems, see that the electric
supply of the hydrokit or All in One unit, the tank and the electrical heater is disconnected.
6.5.1
All in One units
Removing and replacing the front plate
CAUTION
Danger of injury due to crushing
As the front plate is heavy, lifting it off poses a danger of injury by crushing of hands and fingers.
►
Lift the heavy front plate with caution, possibly having two persons do it, from the hooks
on the device housing.
Carry out the following steps to open the front plate:
1.
Remove the two fixing screws (
1
) on the front plate.
2. Push up the front plate to release it from the hook (
2
) at the upper edge.
3. Lift up the front plate with both hands and remove it from the hooks (
3
).
4. To place the front plate back, proceed in the reverse order. See that the hook engages
correctly.