Returning The Dhw Cylinder To Use; Checking Connections And Sensor Wells For Tightness On The Water Side - Viessmann Vitocell 300-B Service Instructions For Contractors

Returning the DHW cylinder to use

A
C
D
H
E
C
B
Fig.2

Checking connections and sensor wells for tightness on the water side

1. Reconnect the DHW cylinder to the pipework.
2. Insert new gaskets
and cylinder cap
3. Refit flange cover
stainless steel circular blank
required torque.
■
■
F
G 4. Fill the DHW cylinder from the DHW side.
H
5. When the DHW cylinder is pressurised, retighten
the screws on flange cover
40 Nm.
6. Fit thermometer sensor
C
Commissioning, inspection, maintenance
underneath flange cover
H
.
F
E and cylinder cap
Cylinder cap: 160 Nm
Flange cover: 40 Nm
, thermal insulation mats
D
, hood and top panel
B
E
F with
and tighten with the
G
with a torque of
E
.
A
9