Amtrol Premier Series Application Manual page 7

Commercial Use as Indirect Heater
With both coils powered, the DC Series models have first-hour ratings up to 637 gallons at a 90°F domestic temperature
rise. See the following charts for sizing:
Model DC-80
Units
2-16
17-54
55-89
90-124
125-160
Model DC-120
Units
2-21
22-82
83-138
139-197
198-260
Model DC-80
Rooms
2-19
20-65
66-108
109-155
156-200
Model DC-120
Rooms
2-24
25-95
96-162
163-232
233-300
APARTMENT SIZING
PUMP SELECTION
Coil Flow (GPM)
Heaters
Total for Both Coils (Use Parallel Plumbing)
1 15
2 30
3 45
4 60
5 75
APARTMENT SIZING
PUMP SELECTION
Coil Flow (GPM)
Heaters
Total for Both Coils (Use Parallel Plumbing)
1 15
2 30
3 45
4 60
5 75
HOTEL SIZING
PUMP SELECTION
Coil Flow (GPM)
Heaters
Total for Both Coils (Use Parallel Plumbing)
1 15
2 30
3 45
4 60
5 75
HOTEL SIZING
PUMP SELECTION
Coil Flow (GPM)
Heaters
Total for Both Coils (Use Parallel Plumbing)
1 15
2 30
3 45
4 60
5 75
MBH = BTU output in 1000's
BOILER SELECTION
FT/Head MBH Available for DHW
with Maximum # of Units
18
18
18
18
18
BOILER SELECTION
FT/Head MBH Available for DHW
with Maximum # of Units
18
18
18
18
18
BOILER SELECTION
FT/Head MBH Available for DHW
with Maximum # of Units
18
18
18
18
18
BOILER SELECTION
FT/Head MBH Available for DHW
with Maximum # of Units
18
18
18
18
18
DHW = Domestic Hot Water
-7-
400
800
1200
1600
2000
400
800
1200
1600
2000
400
800
1200
1600
2000
400
800
1200
1600
2000