Weil-McLain Aqua Balance WMB-120, Manual, Page: 105 / 132

Part number 550-100-305/0118
105
AquaBalance TM
W
ALL
M
OUNT GAS
-
FIRED WATER BOILER
—
Boiler Manual
Category E2 prom parameters Unit Range Def
Description Num. Address Description Low High Value
Flame current supervi-
sion 142 ML – 80D5 Flame current on level1 offset ADC 0 255 3
Flame current supervi-
sion 143 ML – 80DB Flame current on level2 offset ADC 0 255 0
Flame current supervi-
sion
144 ML – 8112 Flame current off level offset ADC 0 255 20
System 145 ML – 8134 High altitude & Chimney length selection Num 0 2 0
System 146 ML – 8131 Pre-purge time between A01 attempts Min 0 60 0
System 147 ML – 80D6 Pump protection time Sec 0 20 5
Fan Regulation 148 CL5 – 0AC8 FAN Kp Up Num 0 100 25
Fan Regulation 149 CL5 – 0AF4 FAN Ki Up Num 0 255 220
Fan Regulation 150 CL5 – 1B8C FAN Kp Down Num 0 100 25
Fan Regulation 151 CL5 – 1BB0 FAN Ki Down Num 0 255 250
Heat exchanger pro-
tection
152 ML – 80DD Heat exchanger protection °F/Sec 0 27 18
–“ƒ]{!| 153,2 ML – 80D2 Priority Over Ride Set °F 0 240 30
–“ƒ]{!| 154,2 ML – 80D3 Priority Over Ride Reset °F 0 240 15
–“]{! 155,1 ML – 810F Short tapping Sec 0 255 30
–“]{! 156,1 ML – 80DF Peak pump on fan speed Hz 0 255 120
–“]{! 157,1 ML – 80D8 Peak pump switch on time Sec 0 255 20
–“]{! 158,1 ML – 80CD Peak remove time Sec 0 20 0
–“]{! 159,1 ML – 80CE Peak remove switch off temperature °F 32 212 194
–“]{! 160,1 ML – 80CF Peak pump speed % 0 100 100
System 161 ML – 80D7 Fan type selection Num 0 1 1
System 162 ML - 8121 High limit protection timer Sec 0 20 10
System 163 ML – 80D4 OTC Exempt Num 0 1 0
–“ƒ]{! 164,1 ML – 80DA DHW Comfort pump on time Sec 0 30 2
Chimney material 165 ML – 8110 PVC/CPVC Selection Num 0 2 1
Chimney material 166 ML – 8132 PVC maximum temperature °F 140 212 190
Chimney material 167 ML – 8133 CPVC maximum temperature °F 158 230 200
Wind condition 168 ML - 8135 Wind condition time Sec 0 60 10
Wind condition 169 ML - 8136 Wind condition frequency Hz 0 255 110
Wind condition 170 ML - 8137 Wind condition ADC ADC 0 255 30
–“ƒ]{!| 171,2 ML – 8111 DHW thermostat/sensor selection Num 0 1 0
–“ƒ]{!| 172,2 ML – 80C7 DHW tank prepare mode Num 0 2 0
–“ƒ]{!| 173,2 ML – 80D1 DHW Delta °F 0 35 18
–“ƒ]{!| 174,2 ML – 80CC DHW slope control °F/min 1 20 9
–“ƒ]{! 172,4 ML – 80C7 DHW tank prepare mode Num 0 2 0
–“ƒ]{! 173,4 ML – 80D1 DHW Delta °F 0 35 18
–“ƒ]{! 174,4 ML – 80CC DHW slope control °F/min 1 20 9
–“ƒ]{!| 175,2 ML – 813F †"`Q\]{!`"^\] Num 0 1 0
Flame current supervi-
sion
176 CL5 – AAA1 #X^$"ZX`X]^Q;Q\Z\^ Num 1 20 20
Figure 133
Troubleshooting suggestions for
AquaBalance
™
boilers — Fault displays and diagnostics
(continued)
34 Troubleshooting
(continued)