15
Subject to change without notice | 83059200dUK – Translation of the original operating manual | ait-deutschland GmbH
9 Insulate hydraulic connections
Insulate hydraulic lines in accordance with local
regulations.
1.
Open shut-off devices.
2. Perform a pressure test and inspect for leaks.
3. Insulate external piping on site.
4.
Insulate all connections, fittings and pipes.
10
Set the overflow valve
Heat pump manual
11 Commissioning
Operating manual of the heating and heat pump
controller
Heat pump manual
12 Faults
►
Read out the cause of the fault via the diagnostics
program of the heating and heat pump controller.
►
Contact the local partner of the manufacturer or
the factory's customer service. Have the fault
message and unit number (refer to “Nameplate”)
to hand.
12.1 Unlock safety temperature limiter
A safety temperature limiter (1) is installed in the
electric heating element (3). If the heat pump fails or
there is air in the system:
►
Check whether the reset knob (2) in the centre of
the safety temperature limiter (1) has jumped out
(located underneath the cover).
►
Press the reset button back in again.
HV:
1 Safety temperature limiter on the electric
heating element
2 Reset button
3 Electric heating element
