ACV WaterMaster 45 - Conversion to Propane

WaterMaster 25 - 35 - 45 - 70 - 85
WaterMaster 120
6
1
2
4
3
5
1
2
3
4
WaterMaster 25 - 35 - 45 - 70 - 85 - 120 : A1006482 - 664Y7300 • D
en
40
EN
FR
NL
ES
IT
DE
PL
RU
INSTALLATION
CONVERSION TO PROPANE
General remarks
• According to the indication on the type plate, the water heater is factory preset to operate
with natural gas (G20/G25). Converting the water heater to propane is done through the
addition of an orifice and adjustments. The conversion is prohibited in Belgium.
Set-up conditions
• External power supply isolated
• Gas supply closed
• Upper front panel and top panel of the water heater open, refer to “Removal and Installation of the Front
and Top Panels” on page 39
Procedure of orice installation (WM 25 - 35 - 45 - 70 - 85)
1. Unscrew the gas pipe.
2. Remove the plug from the gas valve (1).
3. Disconnect the air inlet (2) from the venturi (3).
4. Remove the gas valve/venturi assembly by releasing two screws (5). Retain the screws for
reinstallation.
5. Remove the gas valve (1) from the venturi (3) by releasing 3 screws (4). Retain the screws for
reinstallation.
6. Install the orice in the center of the O-ring (6).
Make sure you position the O-ring correctly.
7. Reassemble the gas valve/venturi assembly, following the same procedure in reverse order, and
torque the 3 gas valve screws (4) and the 2 venturi screws (5). Refer to "Torque Values" on page 46.
8. Reinstall the air inlet (2).
Procedure of orice installation (WM 120 )
1. Remove the plugs from the gas valve (1).
2. Unscrew the union (4) of the gas pipe.
3. Release 4 screws from the gas valve ange (3) and retain for reinstallation.
4. Install the orice in the ange (3).
Make sure you position the orifice correctly
(shouldered face turned towards the gas pipe, flat
face turned towards the gas valve).
5. Install the O-ring (2) on the ange.
6. Install the ange (3) on the gas valve (1) using 4 retained
screws.
Follow-on tasks
• Stick the sticker provided with the conversion kit on the water heater and check the box to indicate
the type of gas to be now used with the water heater.
• Reconnect gas pipe connection.
• Reconnect the plug(s) to the gas valve (1).
• Restart the appliance.
• Change the appliance code through the Installer menu, refer to the “Installer’s handbook”
• Carry out the CO
2
adjustment, (refer to “Checking and Adjusting the Burner” on page 42).
• Reseal the oset and the throttle on the gas valve (1), as required.
WaterMaster Propane orice dia.
(mm)
25 - 35 - 45 5.2
70 - 85 6.8
120 8.6