Weil-McLain Aqua Balance WMB-155 Manual page 34

W
TM
AquaBalance
15 Vent and air piping and boiler connections
Control selection for vent material
Venting Material Change
(boiler is defaulted for PVC vent material)
If other vent material is used, you program that material via
the control board.
To insure proper boiler operation (Combi and Heating Only boil-
ers) the boiler control is programmed default is for PVC venting
material. You MUST program the boiler control for any other
venting material that you installed other than PVC, in order to
improve operational efficiency.
Refer to "Quick Start Guide" page 3, to first power up the boiler.
To access the configuration menu:
1. Press the DHW + and DHW – buttons together for 10
seconds.
2. At the end of the 10 seconds the display will show the mes-
sage "b01".
Push DHW buttons + & -
together for 10 seconds
DHW
3. Press the heating buttons (+ or -) to scroll up the list of
parameters in increasing or decreasing order to parameter
"b22".
4. Press the DHW buttons (+ or -) to view or modify the value
of a parameter: the modification will be automatically saved.
34
M -
ALL OUNT GAS FIRED WATER BOILER
"b22"
Press Heating
buttons + & - to
scroll up or down
the parameter
numbers
—
Boiler Manual
For example: CPVC, Polypropylene, or AL29-4C stainless
steel.
PVC solid core, .......................................... Select: "1"
CPVC only, ................................................ Select: "2"
Polypropylene and AL29-4C, ................... Select: "0"
Use the DHW + or – buttons to
modify the parameter value
DHW
Exiting the "User interface setting" menu. Press the "DHW +"
and "DHW -" buttons together for 10 seconds; or switch the
power to the unit off and then on again; or wait for automatic
exiting which occurs after two (2) minutes
(continued)
Part number 550-100-305/0118