A.O. Smith Theta T Series, Installation, User And Service Manual

Page: 97 / 109

Installation-, User- and Service Manual
97
9 Performing maintenance
Caution
Maintenance may only by carried out by a approved service and maintenance engineer.
At each service, the dual service system must have a complete visual inspection and
mainly consists of detecting leakage. The maintenance should be carried out to the
following components:
 DHW-pump;

Heating pump;

3-way mixing valve;

Temperature sensor S
5
;

Plate heat exchanger;