Removing The Hydraulic Unit - Viessmann B0KA Installation And Service Instructions Manual

Repairs
(cont.)
7. Install plate heat exchanger in reverse order using
new gaskets.
Tighten screws as tightly as necessary and ensure
that the components are undamaged and are func-
tioning correctly throughout service life.
Observe torque settings if a torque wrench is avail-
able.
Screw torque: 3.2 Nm
Note
During installation, ensure the connections are
positioned and the gaskets seated correctly.
Danger
Risk of electric shock from escaping heating
water or DHW
Check all water side connections for tight-
ness.

Removing the hydraulic unit

If components of the hydraulic unit have to be
replaced.
Danger
Risk of electric shock from escaping heating
water or DHW
After installation, check all connections on the
water side for leaks.
0.2
±
Troubleshooting
77