AM Series Boiler & Water Heater User Manual
CHAPTER 11
– TECHNICAL DATA
OMM-0100_E
•
GF-146
•
11/15/2019
Technical Support
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SECTION 11:
TECHNICAL DATA
AM Series Boiler and Water Heater Technical Data
Description
Model
399
500
750
1000
Category of discharge chimney
II & IV
II & IV
II & IV
II & IV
Maximum Heat input
Btu/hr.
399,000
500,000
750,000
999,000
Minimum heat input
Btu/hr.
50,000
50,000
50,000
50,000
Turndown ratio
8:1
10:1
15:1
20:1
Number of burners
2
2
3
4
Gas flow rate (Natural gas)
ft
3
/hr.
399
500
750
999
Gas flow rate (LP gas)
ft
3
/hr.
160
200
300
400
Min / Max gas pressure (Nat. and LP)
In. W.C.
3 / 13
3 / 13
3 / 13
3 / 13
Min / Max water temperature
°F
68 / 190
68 / 190
68 / 190
68 / 190
Min / Max water pressure
PSI
8 / 160
8 / 160
8 / 160
8 / 160
Minimum Water Flow at Minimum Fire
GPM
11
12
12
12
Minimum Water Flow at Maximum Fire
GPM
22
24
36
48
Content of water
Gal.
3.4
4
7
9
Supply voltage / Frequency
120Vac 60Hz
120Vac 60Hz
120Vac 60Hz
120Vac 60Hz
Absorbed electric power
W
220
300
430
591
Air intake / Flue gas pipes diameter
inch
4
4
6
6
Max. length venting system
Ft.
120
120
120
120
CO (Carbon monoxide) with natural gas
ppm
<150
<150
<150
<150
CO (Carbon monoxide) with LP gas
ppm
<250
<250
<250
<250
NOx
ppm
<20
<20
<20
<20
CO2 (Carbon dioxide) for Natural gas at high
%
8.4 to 8.7
8.8 to 9.1
8.8 to 9.1
8.8 to 9.1
CO2 (Carbon dioxide) for Natural gas at low
%
8.4 to 8.7
8.8 to 9.1
8.8 to 9.1
8.8 to 9.1
CO2 (Carbon dioxide) for LP gas at high fire
%
9.5 to 10
9.5 to 10
9.5 to 10
9.5 to 10
CO2 (Carbon dioxide) for LP gas at low fire
%
10.5 to 11.5 10.5 to 11.5
10.5 to 11.5
10.5 to 11.5
O2 (Oxygen) for Natural gas at high fire
%
5.9 to 5.4
5.2 to 4.7
5.2 to 4.7
5.2 to 4.7
O2 (Oxygen) for Natural gas at low fire
%
5.9 to 5.4
5.2 to 4.7
5.2 to 4.7
5.2 to 4.7
O2 (Oxygen) for LP gas at high fire
%
6.4 to 5.6
6.4 to 5.6
6.4 to 5.6
6.4 to 5.6
O2 (Oxygen) for LP gas at low fire
%
4.8 to 3.4
4.8 to 3.4
4.8 to 3.4
4.8 to 3.4
Ionization current
uA (Micro
Amps)
4 to 7
4 to 7
4 to 7
4 to 7
Maximum flue gas temperature
°F
203
203
203
203
Maximum water condensate flow
GPM
0.064
0.077
0.116
0.154
Average acidity of condensation
PH
4
4
4
4
Heater weight (empty of water)
Lbs.
312
323
464
548
Recovery Rating (100°F rise) (water heater only)
Gal/hr.
455
570
855
1138
DHW delivery (75°F rise) (water heater) only)
GPM
10.1
12.7
19
25.4
