Ltu Series Specifications; Ltu Series Packing List - Space-Ray LTU Series Installation And Operation Instructions Manual

6.0)

LTU SERIES SPECIFICATIONS

Input, , , , Input
Input Input
Btu/hr Btu/hr
Btu/hr Btu/hr
Model Model Model Model
No. No. No. No. High High High High Low Low Low Low
LTU 80 80,000 50,500
LTU 90 90,000 57,000
LTU 100 100,000 63,000
LTU 110 110,000 69,500
LTU 120 120,000 76,000
LTU 125 125,000 80,000
LTU 130 130,000 82,000
LTU 140 140,000 88,500 2-1/32" #42741090 5.5mm (0.216)
LTU 150 150,000 95,000 2-1/32" #42741090 5.7mm (0.224)
LTU 160 160,000 100,000 2-1/4" #42741100 5.8mm (0.228)
LTU 175 175,000 110,000 2-1/4" #42741100
LTU 180 180,000 114,000 2-1/4" #42741100
LTU 200 200,000 125,000 2-3/8" #42741130
LTU 225 225,000 146,000 2-1/2" #42741140 6.9mm (0.272)
LTU 250 250,000 162,000 2-3/4" #42741150
* 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 Type Gas Pipe Gas Pipe
Type Type Gas Pipe Gas Pipe
Gas Gas Gas Gas Connection Connection Connection Connection
Natural ½" MPT
or Propane (Male)
1 LTU 180-250: 6" round. See Section 17.0) for vent sizes and limitations.
Fuse Rating: Fuse Fuse Fuse
In-line: 2 Amp 250V
(for 24V Circuit)
7.0)

LTU SERIES PACKING LIST

A. A. A. A. Control/Draft Induce Control/Draft Induce Control/Draft Inducer Package Control/Draft Induce
Part Description Part Description Part Description Part Description
Control Box Assembly .............................................................................................................................. 1
Draft Inducer & Junction Box Assembly ................................................................................................ 1
Flue Restrictor Plate (See Section 6.0) for plate I.D. and part no.) ................................................... 1
4" x 6" Starting Collar
Control Fastener Kit (#42907010) ....................................................................................................... 1
Containing: #8-32 Screws & Nuts (#02166010 & #02127030) .......................................... 2
¼ - 20 Locknuts (#02167010) .............................................................................. 6
Tube Flange Gasket (#42921000) ...................................................................................................... 2
Installation & Operation Instructions (#43155040) .......................................................................... 1
Gas connector, 5/8" OD x 36"
1 4-inch Starting Collar (#40504020) supplied with LTU 80-175 models.
2 LTU 225 and 250 models using Gas Connector, 1" OD x 36" (#30302361).
Flue Restrictor Flue Restrictor Plate Flue Restrictor Flue Restrictor Plate Plate Plate
I.D. & I.D. & Part # I.D. & I.D. & Part # Part # Part #
1-1/2" #42741050
1-1/2" #42741050
1-5/8" #42741060
1-3/4" #42741070
1-3/4" #42741070 13/64 (0.203)
1-7/8" #42741080
1-7/8" #42741080
Tube Tube
Tube Tube
Diameter Diameter Diameter Diameter Connection Connection Connection Connection
4" 4" Round
Rating: Rating: Rating:
r Package r Package r Package
1 (#42892009) Supplied with LTU 180-250 ................................................. 1
(#30302360) .................................................................................... 1
2
-6-
Orifice Size Orifice Size
Orifice Size Orifice Size
Natural Gas Natural Gas Natural Gas Natural Gas Propane Gas Propane Gas Propane Gas Propane Gas
#19 (0.166) #38
#16 (0.177) #36
#14 (0.182) #33
#10 (0.194) #31
1/8
#5 (0.206) #30
#4 (0.209) 3.3mm (0.130)
#29
#28
#27
"C" (0.242) 3.8mm (0.150)
"C" (0.242) #24
"F" (0.257) #21
#18
"K" (0.281) 4.5mm (0.177)
Flue Flue Fresh Air Fresh Air
Flue Flue Fresh Air Fresh Air
1 1 1 1 Connection Connection Connection Connection
6" Round
Ignition Syste Ignition Syste Ignition Syste Ignition System (direct spark):
30 second pre-purge period
Minimum * Minimum *
Minimum * Minimum *
Mounting Height Mounting Height
Mounting Height Mounting Height
@ @ @ @
Horizontal Horizontal Horizontal Horizontal 45º Angle 45º Angle 45º Angle 45º Angle
(0.102) 13 ft. 12 ft.
(0.106) 13 ft. 12 ft.
(0.113) 13 ft. 12 ft.
(0.120) 14 ft. 13 ft.
(0.125) 14 ft. 13 ft.
(0.129) 14 ft. 13 ft.
14 ft. 13 ft.
(0.136) 15 ft. 14 ft.
(0.140) 15 ft. 14 ft.
(0.144) 15 ft. 14 ft.
15 ft. 14 ft.
(0.152) 18 ft. 17 ft.
(0.159) 18 ft. 17 ft.
(0.170) 20 ft. 19 ft.
20 ft. 19 ft.
Electrical Electrical Current Current
Electrical Electrical Current Current
Supply Supply Supply Supply Rating Rating Rating Rating
120 Volt, 60Hz,
1 Phase 2.6 Amp
m (direct spark): m (direct spark): m (direct spark):
QTY QTY QTY QTY
Form #43155040
May 2013
@ @ @ @