Specifications; Packing List - Space-Ray FUSION Series Installation & Operation Instructions

5.0)

SPECIFICATIONS

(2-stage)
Btu/hr Btu/hr
High Low
Model No. Input Input
FUS 60 60,000 40,000
FUS 70 70,000 45,000
FUS 80 80,000 55,000
FUS 90*** 90,000 60,000
* Orifice sizes are for altitudes from 0 to 2,000 feet (0 to 610 m).
** MOUNT HEATERS AS HIGH AS POSSIBLE. Minimums are shown as a guideline for human comfort and uniform
energy distribution for complete building heating applications. Consult your Space-Ray representative for the
particulars of your installation requirements.
***Model FUS 90 approved for UNVENTED use only.
Model Identification:
Control Option
Suffix
N5
L5
N7
L7
Type Gas Pipe
Gas Connection
Natural ½" MPT
or Propane (Male)
See Section 14.0) for vent sizes when multiple heaters are connected into a common vent
1
Module Electrical Rating:
Input-Control: 18-30 VAC 50/60 Hz (class 2 transformer)
Input Power-Line: 120 VAC (L1, IND contacts only)
Flame Sensitivity: 0.7 uA (microamps) minimum
6.0)

PACKING LIST

A. FUSION Burner Package
Part Description
Burner Box Assembly (Refer to the following chart for Package Part Numbers) .......................... 1
Fastener Kit – Burner Box Attachment/Flue Adapter Collar (#42907040) ................................... 1
Containing: #10 x 1/2" Self-Drilling Screws (#02189020) .................................................... 4
Turbulator 24" Long (#44152240) *See chart above for required quantities. .............................. *
Installation & Operation Instructions .................................................................................................... 1
Turnbuckle (#30545040) ......................................................................................................................... 1
Gas connector 5/8" OD x 36" (#30302360) – US only ....................................................................... 1
End Reflector Package (#43341000) ................................................................................................... 1
Form 43343100
April 2022 A
Air Plate
Part # Natural Gas
44140060 #27
44140060 #21
44140065 4.3mm (0.169)
44140069 4.5mm (0.177)
Gas Type Description
Natural Single Stage Gas Valve – Single Stage Input
Propane Single Stage Gas Valve – Single Stage Input
Natural Two Stage Gas Valve – Modulating Input – High/Low Fire
Propane Two Stage Gas Valve – Modulating Input – High/Low Fire
Tube
Diameter
4"
¼ - 20 Locknuts (#02167010) ............................................................................... 3
Tube Flange Gasket (#42921000) ........................................................................... 1
*Orifice Size
Propane Gas
(0.144) #44 (0.086)
(0.159) #42 (0.094)
2.6mm (0.102)
#36 (0.107)
Flue Fresh Air
Connection Connection
1
4" Round 4" Round
Ignition System (direct spark):
15 second trial for ignition period
15 second pre-purge period
60 second inter-purge period
30 second post-purge period
3 tries for ignition (separate flame sensor).
-5-
Minimum **
Mounting Height
@ @
Horizontal 45º Angle
8 ft. 8 ft.
9 ft. 9 ft.
9 ft. 9 ft.
9 ft. 9 ft.
Electrical Current
Supply Rating
1
120 Volt, 60Hz,
1 Phase 1.74 Amp
QTY
Turbulator
Qty.
3
4
5
6