Conversion To Lpg P - Viessmann VITOCROSSAL 200 CM2 Service Instructions For Contractors

Commissioning, inspection, maintenance

Conversion to LPG P

Restrictor installation
B C D
F
A
EG
Fig. 7
01. Close the gas shut-off valve.
02. Turn OFF the ON/OFF switch on the control unit.
03. Switch OFF the mains isolator (outside the instal-
lation room) or power supply. Safeguard against
unauthorised reconnection.
04. Undo fitting from the gas supply pipe.
A
05. Disconnect control cable
06. Release the gas train from flange
Changing gas type on the burner control unit
Status Service
R
S
Fig. 8
14
G from the gas train.
.
E
07. Insert O-ring , LPG restrictor
B
cork gasket .
D
Note
The bevel on the LPG restrictor must point
towards the gas train.
08. Tighten the M5 x 16 screws diagonally.
Torque: 1.5 Nm.
09. Secure fitting .
A
10. Plug control cable G
11. Check control cables:
■ Connection and kink-free routing
Fixing and firm seating of retaining clips
■
12. Affix the label "Set to ..."
label.
13. Check for gas tightness.
Danger
Escaping gas leads to a risk of explosion.
Check all fittings for gas tightness.
!
Please note
The use of leak detection spray can result in
faulty operation.
Leak detection spray must not come into
contact with electrical contacts.
14. Start the burner (see page 15).
1. Press "S" and hold for longer than 2 s. " "
flashes.
2. should be pressed until the display shows "6"
under "Service".
3. Press "S" until the display shows "6" under "Sta-
tus".
4. should be pressed until the display shows "2"
under "Service".
5. Press "S" to confirm until the display shows "2"
under "Status" and the current gas type is shown
under "Service" (0 = natural gas or 1 = LPG).
and rubber
C
into the gas train.
F supplied over existing