Ltu 40-250 Series - Specifications - Space-Ray LTU SERIES Installation And Operation Instructions Manual
Ltu / lts series infrared radiant tube heater
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2.0)
LTU 40-250 SERIES — SPECIFICATIONS
Btu/hr
Model No.
Input
LTU40
40,000
LTU50
50,000
LTU60
60,000
LTU75
75,000
LTU80
80,000
LTU90
90,000
LTU100
100,000
LTU110
110,000
LTU120
120,000
LTU125
125,000
LTU130
130,000
LTU125
125,000
1
LTU130
130,000
1
LTU140
140,000
1
LTU150
150,000
1
LTU160
160,000
1
LTU175
175,000
1
LTU180
180,000
2
LTU200
200,000
2
LTU225
225,000
2
LTU250
250,000
2
NOTES:
1) These models require the use of an additional 5' body section.
2) These models require the use of an additional 10' body section.
MOUNT HEATERS AS HIGH AS POSSIBLE for greatest human comfort and uniform heat distribution. Minimums are given to
advise of the lowest mounting height allowable that still provides adequate energy distribution and comfort.
Type
Gas:
Natural
or Propane
In-line: 2 Amp 250V
(for 24V Circuit)
NOTES:
3) LTS/LTU200 and above require a minimum 3/4" flex connector.
4) 3" diameter on models LTU40–75
Form #43155260
Mar–05
Heat
Total
Exchanger
Heater
Length
Length
Plate I.D. & Part #
1-1/8" #42741030 3.3mm
30'
16'-10"
1-7/32" #42741020
1-7/16" #42741010
1-1/2" #42741050
1-1/2" #42741050
1-5/8" #42741060
30'
17'-6½"
1-3/4" #42741070
1-3/4" #42741070 13/64
1-7/8" #42741080
1-7/8" #42741080
1-7/8" #42741080
1-7/8" #42741080
2-1/32" #42741090 5.5mm
40'
22'-6½"
2-1/32" #42741090 5.7mm
2-1/4" #42741100 5.8mm
2-1/4" #42741100
2-1/4" #42741100
2-3/8" #42741130
50'
27'-6½"
2-1/2" #42741140 6.9mm
2-3/4" #42741150
Gas-Pipe
Tube
Connection:
Diameter:
3
½" NPT
(Female)
4"
Fuse Rating:
Spark Module: 3 Amp 250V
(for 24V Circuit)
Flue Restrictor
Natural Gas
1"
#42741040
#31
#27
#20
#19
#16
#14
#10
#5
#4
#5
#4
"C"
"C"
"F"
"K"
Flue
Fresh Air
Connection:
Connection:
4
6" Round
6" Round
(with 30-second prepurge period)
–3–
Orifice Size
Mounting Height
Propane Gas
Horizontal
#49
(0.120)
(0.073)
#46
(0.130)
(0.081)
#43
(0.144)
(0.089)
#39
(0.161)
(0.099)
#38
(0.166)
(0.102)
#36
(0.177)
(0.106)
#33
(0.182)
(0.113)
#31
(0.194)
(0.120)
1/8
(0.203)
(0.125)
#30
(0.206)
(0.129)
3.3mm
(0.209)
(0.130)
#30
(0.206)
(0.129)
3.3mm
(0.209)
(0.130)
#29
(0.216)
(0.136)
#28
(0.224)
(0.140)
#27
(0.228)
(0.144)
3.8mm
(0.242)
(0.150)
#24
(0.242)
(0.152)
#21
(0.257)
(0.159)
#18
(0.272)
(0.170)
4.5mm
(0.281)
(0.177)
Electrical
Supply:
120 Volt,
60Hz, 1 Phase
Ignition System:
Direct Spark
Minimum
@
@
45º Angle
10'
9'
11'
10'
12'
11'
13'
12'
13'
12'
13'
12'
13'
12'
14'
13'
14'
13'
14'
13'
14'
13'
14'
13'
14'
13'
15'
14'
15'
14'
15'
14'
16'
15'
18'
17'
18'
17'
20'
19'
20'
19'
Current
Rating:
2.6 Amp
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