Convert Fuel Type To Liquid Propane Gas; Setting Altitude Parameters - Viessmann VITODENS 222-F Service Instructions Manual

Start-up

Convert Fuel Type to Liquid Propane Gas

Setting Altitude Parameters

16
Vitodens 222-F B2TA 19 and 35 Service
1. Set adjusting screw A at the gas valve to "2"
(using a hex key, 2.5 mm).
Note: The Vitodens 222-F, B2TA boiler comes factory
adjusted for operation with natural gas. Coding
address "82" is set to "0" (operation with
natural gas) in the factory default setting.
2. Switch ON/OFF switch "8" to ON.
Note: Slide the black control cover outwards to
access the ON/OFF switch.
3. Select the gas type in coding address "82".
- Call up coding level 2. (see page 49)
- Call up "General".
- In coding address "11" select value "9".
- In coding address "82" select value "1" (operation
with liquid propane gas).
- Go back to coding address "11" and select any
value (except "9").
- Terminate coding level 2.
4. Open gas shut-off valve.
5. Apply LPG supplied fuel conversion labels.
In the factory default setting, the boiler is equipped to
operate in altitudes of up to 5,000 ft. (1,500 m).
Altitude can be set using coding address 93:
(in coding level 2 General).
- Coding 11:9 must be set in order to unlock coding 93:.
- 93:0 is reserved for altitudes up to 5000 ft. (1500 m).
- 93:6 must be set for altitudes from 5000 ft. (1500 m).
to 10000 ft. (3000 m)
- Setting back to 93:0 turns off the high altitude
function.
IMPORTANT
Do not set or use coding addresses 93:1 to 93:5.
- After setting coding address 93:, set coding address 11:0
- The program is automatically disabled after 20 minutes.