Weil-McLain Aqua Balance WMB-155 Manual page 4

W
TM
AquaBalance
Quick Start Guide
1
"Test Mode Operation"
Proceed to put the boiler into operation as follows:
1. To start, create a demand for heat, open up a hot water faucet or turn up the thermostat.
2. To operate the boiler in test mode, press the CH "-" and "+" keys together for 5 seconds
(See below and Figure 99, page 74) to activate the TEST mode.
3. The boiler lights at the maximum heating 100% rate displayed on the LCD display.
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4. The high fire (large) flame symbol will be displayed once the boiler has lit.
5. Use DHW "_" button to drop firing rate to low fire.
6. To exit the "Test mode", press the CH keys (Items 3 and 4, Figure 76, page 60) together for 5 seconds, or
leave the boiler to automatically switch off after 15 minutes or stopping DHW flow.
7. This TEST procedure is used to check/adjust combustion CO and CO
and Figure 105, page 78.
Liquefied Petroleum (Propane) Gas — Propane conversion kit (optional - sold separately, see Figure 158, page 116 .
High altitude — High altitude (over 4,500 feet) requires only changing the altitude setting on the control. (See page 67).
Digital or U-tube manometer for checking gas line pressure
Volt-ohmmeter may be required for troubleshooting
Combustion Analyzer to verify and adjust combustion
This unit must only be used for its intended purpose. This unit is designed to heat water to a temperature below
boiling point and must be connected to a heating system and/or a water supply system for domestic use, compatible
with its performance, characteristics and heating capacity. Any other use is deemed improper.
Incorrect installation can cause damage or injury for which the manufacturer cannot be deemed responsible.
The boiler contains ceramic fiber and fiberglass materials. Use care when handling these materials per instructions
on page 81 of this manual. Failure to comply could result in severe personal injury.
Pay attention when handling the boiler insulation panels as they contain materials that could irritate the skin. No
part of the boiler contains asbestos, mercury or Chlorofluorocarbons (CFC's).
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M -
ALL OUNT GAS FIRED WATER BOILER
— using default settings
QUICK START GUIDE
System start
Equipment that maybe required for installation
—
Boiler Manual
(continued)
per specifications, Figure 102, page 77
2
Part number 550-100-305/0118