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Xtremely Easy to Wire
300 28 17 19 8 14 5 14 5 40 36 28 16
400 38 18 25 7 19 4 19 4 40 47 29 16
500 47 16 31 7 24 4 24 4 40 56 23 17
700 66 30 44 13 33 7 33 7 40 70 34 19
850 80 40 53 17 40 9 40 9 40 80 40 20
XFyre
Model
20°F
GPM
DT
40°F30°F Minimum Flow*
Rates Of Flow And Pressure Drops
300 1711 1140 855 684 570 489 428 380 342
400 2275 1517 1138 910 758 650 569 506 455
500 2851 1901 1426 1140 950 815 713 634 570
700 3992 2661 1996 1597 1331 1140 998 887 798
850 4847 3231 2423 1939 1616 1385 1212 1077 969
Temperature Rise (°F)
XFyre
Model
10080 9060 7040 503020
Recovery Rates
300 30 19 8 1.5 10 24 24 17 1.5 19
400 30 25 7 2 8 20 38 18 2 21
500 30 31 7 2 8 20 47 16 2 20
700 30 44 13 2 17 20 66 30 2 38
850 32 51 16 2 20 24 67 28 2 36
Soft
(0-4 Grains Per Gallon)
Water Hardness
Hard
(16-25 Grains Per Gallon)
Medium
(5-15 Grains Per Gallon)
XFyre
Model
Maximum Flow
GPM
DT
*Closed systems only
DP DP
GPM
DP
GPM
DP
GPM
DP
DT DP
MTS
DT
GPM SHL GPM MTS
DP
SHL
Do not use when hardness
exceeds 15 grains per gallon
MTS = Minimum Tube Size, inch.
SHL = System Head Loss, ft (based on heater and tank placed no more than 5 ft apart).
DT = Temperature rise,
°F
DP = Pressure drop through heat exchanger, ft
Hydronic Boiler
Water Heater
DT
GPM MTS
DP
SHL
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.
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.
120VAC Wiring Center
(rear of boiler)
Low Voltage
Wiring Center