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Xtremely Easy to Wire
300 28 17 19 8 14 5 14 5 40 36 27 17
500 47 16 31 7 24 4 24 4 40 56 24 18
850 80 40 53 17 40 10 40 10 40 80 40 20
XFyre
Model
20°F
GPM
⌬T
40°F30°F
Minimum Flow*
Rates Of Flow And Pressure Drops
TYPE W
300 1693 1128 846 677 564 484 423 376 339
500 2821 1881 1411 1128 940 806 705 627 564
850 4796 3197 2398 1918 1599 1370 1199 1066 959
Temperature Rise (°F)
XFyre
Model
10080 9060 70
40
50
30
20
Recovery Rates
300 30 19 8 1.5 9 23 25 14 1.5 15
500 30 31 7 2 9 20 47 16 2 20
850 31 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
⌬T
TYPE HTYPE W
*Closed systems only
⌬P
⌬P
GPM
⌬P
GPM
⌬P
GPM
⌬P
⌬T ⌬P
MTS
⌬T
GPM SHL GPM MTS
⌬P
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).
⌬T = Temperature rise,
°F
⌬P = Pressure drop through heat exchanger, ft
Hydronic Boiler
Hot Water Supply Boiler - DHW
⌬T
GPM MTS
⌬P
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