Viessmann BWT 241.A Series, Installation And Service Instructions Manual

Page: 66 / 124

66
Checking the system function (e.g. actuators, temperatures,
poss. heat meter)
!
Please note
If the heat pump is subjected to
temperatures below –15 °C, for
example during storage or trans-
port, the high limit safety cut-out
of the instantaneous heating
water heater may respond.
Heat up the high limit safety cut-
out to above 20 °C and press
reset button
A of the high limit
safety cut-out.
A
Instructing the system user
The system installer must hand the oper-
ating instructions to the system user and
instruct him/her in the operation of the
system.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5601 598 GB