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5.0)
SPECIFICATIONS
Btu/hr
Model No.
Input
PTS/PTU 40
40,000
PTS/PTU 50
50,000
PTS/PTU 75
75,000
PTS/PTU 100
100,000
PTS/PTU 125
125,000
PTS/PTU 150
150,000
PTS/PTU 175
175,000
PTS/PTU 200
200,000
* 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:
Natural
or Propane
1) See Section 16 for vent sizes when multiple heaters are connected into a common vent.
Module Electrical Rating:
Input Power-Control: 18-30 VAC
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
Flame Sensitivity: 0.7 microamps minimum
6.0)
PACKING LIST
A) PTS/PTU Burner Package
Burner Box Assembly (Refer to the following chart for Package Part Numbers)
4"ID x 4"Lg Flue Adapter Collar (#30504500) ...................................................................1
Fastener Kit – Burner Box Attachment/Flue Adapter Collar (#42907040)....................1
containing:
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
Form #43343330
May 08
Combustion Air
Plate
Part #
#44140061
#44140064
#44140063
#44140062
#44140066
#44140067
#44140067
#44140068
Gas-Pipe
Tube
Connection:
Diameter:
½" MPT
(Male)
4"
50/60 Hz (class 2
1/4 H.P. Motor
#10 x 1/2" Self-Drilling Screws (#02189020)..............................2
¼ - 20 Locknuts (#02167010) ..............................................................3
Orifice Size
Natural Gas
Propane Gas
#32
(0.116)
#49
3.5mm
(0.138)
46
#21
(0.159)
2.5mm (0.098)
#12
(0.189))
#32
#4
(0.209)
#30
"A"
(0.234)
#27
"E"
(0.250)
#23
6.9mm
(0.272)
4.1mm (0.161)
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
(0.073)
10 ft.
9 ft.
(0.081)
11 ft.
10 ft.
13 ft.
12 ft.
(0.116)
14 ft.
13 ft.
(0.129)
14 ft.
13 ft.
(0.144)
15 ft.
14 ft.
(0.154)
16 ft.
15 ft.
18 ft.
16 ft.
Electrical
Current
Supply:
Rating:
1
120 Volt,
60Hz, 1 Phase
1.74 Amp
QTY
1
*
Turbulator
@
Qty.
4
5
5
3
7
4
0
1
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