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Boiler Model
Supply &
r
eturn
Connection
(in.)
n
ear
Boiler
Pipe Size
(in.)
D
T=35°F
D
T=30°F
D
T=25°F
D
T=20°F
Flow (g
PM)
Boiler & Piping Head Loss
(ft.)
Circulator
Model
Flow (g
PM)
Boiler & Piping Head Loss
(ft.)
Circulator
Model
Flow (g
PM)
Boiler & Piping Head Loss
(ft.)
Circulator
Model
Flow (g
PM)
Boiler & Piping Head Loss
(ft.)
Circulator
Model
ALP399C
1½
2
21.5
6.4
UP26-64F
25.1
8.4
UP26-99F
30.2
11.5
UPS43-100F
,
Spd. 2
37.7
16.9
UPS43-100F
,
Spd. 3
ALP500C
2
2
27.7
5.8
UPS43-44FC,
Spd. 2
32.3
7.5
UPS43-44F
38.8
10.3
UPS43-100F
,
Spd. 2
48.5
15.2
UP50-60F
,
Spd. 3
ALP600C
2
2
33.9
5.5
UPS43-44FC,
Spd. 3
39.6
7.2
UPS43-100F
,
Spd. 2
47.5
9.9
UPS50-60F
,
Spd. 2
59.4
14.7
UPS40-80/2,
Spd. 3
ALP700C
2
2
39.4
7.1
UPS43-100F
,
Spd. 2
45.9
9.4
UPS43-100F
,
Spd. 3
55.1
12.9
UPS50-60F
,
Spd. 3
68.9
19.1
UP50-80/2,
Spd 3
ALP800C
2
2½
43.4
6.4
UPS43-100F
,
Spd. 2
50.7
8.5
UPS43-100F
,
Spd. 3
60.8
11.8
UP50-60F
,
Spd 3
76.0
17.6
UPS50-80/2,
Spd. 3
Table 25: Recommended T
aco Circulators for 50 ft. Equivalent ft. Near Boiler Piping [Approximately 20 ft.
Straight Pipe, (4) 90° Elbows, and (2) Full Port Ball V
alves]
Boiler Model
Supply &
r
eturn
Connection
(in.)
n
ear Boiler Pipe Size
(in.)
D
T=35°F
D
T=30°F
D
T=25°F
D
T=20°F
Flow (g
PM)
Boiler & Piping Head Loss
(ft.)
Circulator
Model
Flow (g
PM)
Boiler & Piping Head Loss
(ft.)
Circulator
Model
Flow (g
PM)
Boiler & Piping Head Loss
(ft.)
Circulator
Model
Flow (g
PM)
Boiler & Piping Head Loss
(ft.)
Circulator
Model
ALP399C
1½
2
21.4
6.4
0014
25.0
8.3
0013
30.0
11.4
2400-60
37.5
16.8
2400-70
ALP500C
2
2
27.7
5.8
0012
32.3
7.5
2400-60
38.8
10.3
2400-60
48.5
15.2
2400-65
ALP600C
2
2
33.9
5.5
2400-60
39.6
7.2
2400-60
47.5
9.9
2400-65
59.4
14.7
2400-70
ALP700C
2
2
39.4
7.1
2400-60
45.9
9.4
2400-65
55.1
12.9
2400-65
68.9
19.1
1935
ALP800C
2
2½
43.4
6.4
2400-60
50.7
8.5
2400-65
60.8
11.8
2400-65
76.0
17.6
1935
Vi
. W
ater Piping and T
rim
(continued)
Table 26: Recommended Grundfos Circulators for 50 Equivalent ft. Near Boiler Piping [Approximately 20 ft.
Straight Pipe, (4) 90° Elbows, and (2) Full Port Ball V
alves]
Summary of Contents for Alpine ALP500C
Page 48: ...48 VI Water Piping and Trim continued Figure 28 Near Boiler Piping Heating Only ...
Page 62: ...62 Figure 40 Ladder Diagram VIII Electrical continued ...
Page 63: ...63 VIII Electrical continued 2 Figure 41 Wiring Connections Diagram ...
Page 72: ...72 IX System Start up continued Figure 48 Operating Instructions ...
Page 124: ...124 XIII Repair Parts continued ...
Page 126: ...126 XIII Repair Parts continued ALP600C ALP700C and ALP800C ALP800C shown ...
Page 130: ...130 XIII Repair Parts continued ...
Page 133: ...133 XIII Repair Parts continued 10A 10B 10C 10D 10G ...
Page 143: ...143 ...
Page 144: ...144 U S Boiler Company Inc P O Box 3020 Lancaster PA 17604 1 888 432 8887 www usboiler net ...