ACV WaterMaster 25 Installation, Operation And Maintenance Instructions For The Installer And The User

Also see for WaterMaster 120: Installer's handbook

Contents

ACV WaterMaster 25 Installation, Operation And Maintenance Instructions For The Installer And The User Manual pdf 42 page image

WaterMaster 25 - 35 - 45 - 70 - 85WaterMaster 1206124 351 23 4WaterMaster 25 - 35 - 45 - 70 - 85 - 120 : A1006482 - 664Y7300 • Den40ENFRNLESITDEPLRUINSTALLATIONCONVERSION TO PROPANEGeneral remarks• According to the indication on the type plate, the water heater is factory preset to operatewith natural gas (G20/G25). Converting the water heater to propane is done through theaddition 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 Frontand Top Panels” on page 39Procedure of orifice 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 forreinstallation.5. Remove the gas valve (1) from the venturi (3) by releasing 3 screws (4). Retain the screws forreinstallation.6. Install the orifice 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, andtorque 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 orifice 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 flange (3) and retain for reinstallation.4. Install the orifice in the flange (3).Make sure you position the orifice correctly(shouldered face turned towards the gas pipe, flatface turned towards the gas valve).5. Install the O-ring (2) on the flange.6. Install the flange (3) on the gas valve (1) using 4 retainedscrews.Follow-on tasks• Stick the sticker provided with the conversion kit on the water heater and check the box to indicatethe 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 CO2 adjustment, (refer to “Checking and Adjusting the Burner” on page 42).• Reseal the offset and the throttle on the gas valve (1), as required.WaterMaster Propane orifice dia.(mm)25 - 35 - 45 5.270 - 85 6.8120 8.6