Checking All Connections And The Sensor Well On The Heating Water Side For Tightness; Removing The Neutralising System, Connecting The Drain Hose - Viessmann Vitocrossal 200 Service Instructions For Contractors

Checking all connections and the sensor well on the heating water side for
tightness
A
Fig. 18
Sensor well
A
Note
Also check the connections for the control equipment
and the minimum pressure switch (low water indicator)
for tightness.

Removing the neutralising system, connecting the drain hose

If a neutralising system is installed:
C
A B
Fig. 19
Commissioning, inspection, maintenance
1. Separate hose to the neutralising system from
A
trap B .
2. Connect drain or cleaning hose
route it to the drainage system.
to the trap and
C
21