Lts 40-250 Series - Specifications - Space-Ray LTU SERIES Installation And Operation Instructions Manual
Ltu / lts series infrared radiant tube heater
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LTS 40-250 SERIES — SPECIFICATIONS
Model No.
LTS 40
LTS 50
LTS 60
LTS 75
LTS 80
LTS 90
LTS 100
LTS 110
LTS 120
LTS 125
LTS 130
LTS 140
LTS 150
LTS 160
LTS 175
LTS 180
LTS 200
LTS 225
LTS 250
MOUNT HEATERS AS HIGH AS POSSIBLE. Minimums are are shown for human comfort and uniform heat distribution.
Type
Gas:
Natural
or Propane
NOTES:
1) LTS/LTU200 and above require a minimum 3/4" flex connector.
2) 4" round for models LTU40–75.
In-line: 2 Amp 250V
(for 24V Circuit)
Form #43155260
Mar–05
Btu/hr
Flue Restrictor
Input
Plate I.D. & Part #
40,000
1"
#42741040
50,000
1-1/8"
#42741030
60,000
1-7/32"
#42741020
75,000
1-7/16"
#42741010
80,000
1-1/2"
#42741050
90,000
1-1/2"
#42741050
100,000
1-5/8"
#42741060
110,000
1-3/4"
#42741070
120,000
1-3/4"
#42741070
125,000
1-7/8"
#42741080
130,000
1-7/8"
#42741080
140,000
2-1/32"
#42741090
150,000
2-1/32"
#42741090
160,000
2-1/4"
#42741100
175,000
2-1/4"
#42741100
180,000
2-1/4"
#42741100
200,000
2-3/8"
#42741130
225,000
2-1/2"
#42741140
250,000
2-3/4"
#42741150
Gas-Pipe
Tube
Connection:
Diameter:
1
½" NPT
(Female)
4"
Fuse Rating:
Spark Module: 3 Amp 250V
(for 24V Circuit)
Orifice Size
Natural Gas
#31
(0.120)
3.3mm
(0.130)
#27
(0.144)
#20
(0.161)
#19
(0.166)
#16
(0.177)
#14
(0.182)
#10
(0.194)
13/64
(0.203)
#5
(0.206)
#4
3.3mm
(0.209)
5.5mm
(0.216)
5.7mm
(0.224)
5.8mm
(0.228)
"C"
3.8mm
(0.242)
"C"
(0.242)
"F"
(0.257)
6.9mm
(0.272)
"K"
4.5mm
(0.281)
Flue
Fresh Air
Connection:
Connection:
2
6" Round
6" Round
(with 30-second prepurge period)
–13–
Minimum
Mounting Height
@
Propane Gas
Horizontal
#49
10 ft.
(0.073)
#46
11 ft.
(0.081)
#43
12 ft.
(0.089)
#39
13 ft.
(0.099)
#38
13 ft.
(0.102)
#36
13 ft.
(0.106)
#33
13 ft.
(0.113)
#31
14 ft.
(0.120)
1/8
14 ft.
(0.125)
#30
14 ft.
(0.129)
14 ft.
(0.130)
#29
15 ft.
(0.136)
#28
15 ft.
(0.140)
#27
15 ft.
(0.144)
15 ft.
(0.150)
#24
18 ft.
(0.152)
#21
18 ft.
(0.159)
#18
20 ft.
(0.170)
20 ft.
(0.177)
Electrical
Current
Supply:
Rating:
2
120 Volt,
60Hz, 1 Phase
2.6 Amp
Ignition System:
Direct Spark
@
45º Angle
9 ft.
10 ft.
11 ft.
12 ft.
12 ft.
12 ft.
12 ft.
13 ft.
13 ft.
13 ft.
13 ft
14 ft.
14 ft.
14 ft.
14 ft.
17 ft.
17 ft.
19 ft.
19 ft.
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