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Form #43343330
May 08 –5–
5.0) SPECIFICATIONS
Orifice Size
Minimum *
Mounting Height
Model No.
Btu/hr
Input
Combustion Air
Plate
Part #
Natural Gas Propane Gas
@
Horizontal
@
45º Angle
Turbulator
Qty.
PTS/PTU 40 40,000 #44140061 #32 (0.116) #49 (0.073) 10 ft. 9 ft. 4
PTS/PTU 50 50,000 #44140064 3.5mm (0.138) 46 (0.081) 11 ft. 10 ft. 5
PTS/PTU 75 75,000 #44140063 #21 (0.159) 2.5mm (0.098) 13 ft. 12 ft. 5
PTS/PTU 100 100,000 #44140062 #12 (0.189)) #32 (0.116) 14 ft. 13 ft. 3
PTS/PTU 125 125,000 #44140066 #4 (0.209) #30 (0.129) 14 ft. 13 ft. 7
PTS/PTU 150 150,000 #44140067 “A” (0.234) #27 (0.144) 15 ft. 14 ft. 4
PTS/PTU 175 175,000 #44140067 “E” (0.250) #23 (0.154) 16 ft. 15 ft. 0
PTS/PTU 200 200,000 #44140068 6.9mm (0.272) 4.1mm (0.161) 18 ft. 16 ft. 1
* 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.
Type
Gas:
Gas-Pipe
Connection:
Tube
Diameter:
Flue
Connection:
1
Fresh Air
Connection:
1
Electrical
Supply:
Current
Rating:
Natural
or Propane
½” MPT
(Male) 4” 4” Round 4” Round
120 Volt,
60Hz, 1 Phase 1.74 Amp
1) See Section 16 for vent sizes when multiple heaters are connected into a common vent.
Module Electrical Rating:
Ignition System (direct spark):
Input Power-Control: 18-30 VAC 50/60 Hz (class 2
transformer)
Input Power-Line: 120 VAC (L1, IND contacts only)
Gas Valve Rating: 2.0 A @ 24 VAC (max.)
Combustion Blower Rating: 3.0 FLA @ 120 VAC
1/4 H.P. Motor
Flame Sensitivity: 0.7 microamps minimum
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).
6.0) PACKING LIST
A) PTS/PTU Burner Package QTY
Burner Box Assembly (Refer to the following chart for Package Part Numbers) 1
4”ID x 4”Lg Flue Adapter Collar (#30504500)...................................................................1
Fastener Kit – Burner Box Attachment/Flue Adapter Collar (#42907040)....................1
containing
: #10 x 1/2” Self-Drilling Screws (#02189020)..............................2
¼ - 20 Locknuts (#02167010)..............................................................3
Tube Flange Gasket (#42921000).......................................................................................1
Turbulator 24” Long (#44152240) *See chart above for required quantities. *
Installation & Operation Instructions (#43343330)..........................................................1
Turnbuckle (#30545040) ......................................................................................................1
Gas connector 5/8” OD x 36” (#30302360) .......................................................................1