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Part number 550-100-325/0419
72
AquaBalance
®
Series 2 Wall Mount Gas-fired Water Boiler – Boiler Manual
30 High Altitude Blower Speeds
Figure 100 AquaBalance
®
155 boilers
Perform Boiler Manual Start-up
Follow all instructions in the start-up section for boiler start-up after converting for High
Altitude. Because the boiler has been changed, you must verify correct operation, including
checking combustion with test instruments both at high fire and low fire as described in this
manual, pages 81, 82 & 83.
Check the correct ignition sequence of the boiler after the conversion, as in page 90.
Failure to comply could result in severe personal injury, death or substantial property damage.
155KBTU - Natural Gas
ALTITUDE
LOW FIRE HIGH FIRE (CH & DHW)
Blower Speed
(b06)
CO2 (%) CO (PPM)
Blower Speed
(b04 & b05)
CO2 (%) CO (PPM)
0 - 2,000' 39 8.0 - 9.0 <7 210 9.0 - 9.5 <120
2,000' - 4,000' 40 8.0 - 9.0 <7 210 9.0 - 9.5 <120
4,000'-5,000' 41 8.0 - 8.5 <10 210 8.7 - 9.0 <150
5,000'-6,000' 42 8.0 - 8.5 <10 210 8.7 - 9.0 <150
6,000' - 7,000' 43 8.0 - 8.5 <10 210 8.7 - 9.0 <150
7,000' - 8,000' 45 8.0 - 8.5 <10 210 8.7 - 9.0 <180
8,000' - 9,000' 46 8.0 - 8.5 <10 210 8.7 - 9.0 <180
9,000' - 10,000' 48 8.0 - 8.5 <10 210 8.7 - 9.0 <180
155KBTU - LP Gas
ALTITUDE
LOW FIRE HIGH FIRE (CH & DHW)
Blower Speed
(b06)
CO2 (%) CO (PPM)
Blower Speed
(b04 & b05)
CO2 (%) CO (PPM)
0 - 2,000' 44 9.0 - 9.8 <7 220 10.2 - 10.7 <120
2,000' - 4,000' 46 9.0 - 9.8 <7 220 10.2 - 10.7 <120
4,000'-5,000' 46 9.3 - 9.5 <10 220 9.7 - 9.9 <150
5,000'-6,000' 46 9.3 - 9.5 <10 220 9.7 - 9.9 <150
6,000' - 7,000' 48 9.3 - 9.5 <10 220 9.7 - 9.9 <150
7,000' - 8,000' 48 9.3 - 9.5 <10 220 9.7 - 9.9 <180
8,000' - 9,000' 48 9.3 - 9.5 <10 220 9.7 - 9.9 <180
9,000' - 10,000' 50 9.3 - 9.5 <10 220 9.7 - 9.9 <180
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