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X
120VAC Wiring Center
(rear of boiler)
Hydronic Boiler
XFyre
20°F
Model
GPM
300
28
400
38
500
47
700
66
850
80
*Closed systems only
Water Heater
XFyre
Soft
Model
T
300
30
400
30
500
30
700
30
850
32
MTS = Minimum Tube Size, inch.
SHL = System Head Loss, ft (based on heater and tank placed no more than 5 ft apart).
T = Temperature rise, °F
P = Pressure drop through heat exchanger, ft
XFyre
Model
20
300
1711
400
2275
500
2851
700
3992
850
4847
6
tremely Easy to Wire
120VAC Wiring Center
The XFyre's 120VAC wiring center is located on the rear
of the boiler. All incoming line voltage and pump wiring
are contained away from the 24v control wiring. Wiring
the boiler is simple and straight forward.
Rates Of Flow And Pressure Drops
30°F
P
P
GPM
GPM
17
19
8
14
18
25
7
19
16
31
7
24
30
44
13
33
40
53
17
40
Medium
(0-4 Grains Per Gallon)
GPM
P MTS
SHL
19
8
1.5
10
24
25
7
2
8
20
31
7
2
8
20
44
13
2
17
20
51
16
2
20
24
30
40
1140
855
1517
1138
1901
1426
2661
1996
3231
2423
Low Voltage Wiring Center
Just like its big brother the XTherm, the XFyre has a
separate front mounted wiring center for all of the
low voltage connections. This makes thermostat, water
sensor, 0-10VDC BMS, and alarm contacts a breeze to
set up. No more guessing where the contact points
are buried in the boiler. Built-in cascade control using
CAT 3 or CAT 5 computer network patch cables to
connect with the communication bus between boilers.
Simply remove the front door for quick access.
40°F
Minimum Flow*
P
P
GPM
5
14
5
4
19
4
4
24
4
7
33
7
9
40
9
Water Hardness
(5-15 Grains Per Gallon)
T
GPM
P
MTS
SHL
24
17
1.5
19
38
18
2
21
47
16
2
20
66
30
2
38
67
28
2
36
Recovery Rates
Temperature Rise (°F)
50
60
70
684
570
489
910
758
650
1140
950
815
1597
1331
1140
1939
1616
1385
Low Voltage
Wiring Center
Maximum Flow
T
P
T
GPM
40
36
28
16
40
47
29
16
40
56
23
17
40
70
34
19
40
80
40
20
Hard
(16-25 Grains Per Gallon)
T GPM
P
MTS
SHL
Do not use when hardness
exceeds 15 grains per gallon
80
90
100
428
380
342
569
506
455
713
634
570
998
887
798
1212
1077
969
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