Form #42710000
-4-
May 2013
5.0)
SPECIFICATIONS
Model
Model
Model
Model
No.
No.
No.
No.
Btu/hr
Btu/hr
Btu/hr
Btu/hr
Input
Input
Input
Input
Heat
Heat
Heat
Heat
Exchanger
Exchanger
Exchanger
Exchanger
Length
Length
Length
Length
Total
Total
Total
Total
Heater
Heater
Heater
Heater
Length
Length
Length
Length
Flue Restrictor
Flue Restrictor
Flue Restrictor
Flue Restrictor Plate
Plate
Plate
Plate
I.D. &
I.D. &
I.D. &
I.D. & Part #
Part #
Part #
Part #
Orifice Size
Orifice Size
Orifice Size
Orifice Size
Minimum *
Minimum *
Minimum *
Minimum *
Mounting Height
Mounting Height
Mounting Height
Mounting Height
Natural Gas
Natural Gas
Natural Gas
Natural Gas
Propane Gas
Propane Gas
Propane Gas
Propane Gas
@
@
@
@
Horizontal
Horizontal
Horizontal
Horizontal
@
@
@
@
45º Angle
45º Angle
45º Angle
45º Angle
LTU 40 40,000
30’
16’-10”
1”
#42741040
#31
(0.120)
#49
(0.073)
10’.
9’
LTU 50 50,000
1-1/8” #42741030 3.3mm (0.130)
#46
(0.081)
11’.
10’
LTU 60 60,000
1-7/32” #42741020
#27
(0.144)
#43
(0.089)
12’
11’
LTU 75 75,000
1-7/16” #42741010
#20
(0.161))
#39
(0.099)
13’
12’
* 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
Type
Type
Gas
Gas
Gas
Gas
Gas Pipe
Gas Pipe
Gas Pipe
Gas Pipe
Connection
Connection
Connection
Connection
Tube
Tube
Tube
Tube
Diameter
Diameter
Diameter
Diameter
Flue
Flue
Flue
Flue
Connection
Connection
Connection
Connection
Fresh Air
Fresh Air
Fresh Air
Fresh Air
Connection
Connection
Connection
Connection
Electrical
Electrical
Electrical
Electrical
Supply
Supply
Supply
Supply
Current
Current
Current
Current
Rating
Rating
Rating
Rating
Natural
or Propane
½” MPT
(Male)
3”
4” Round
4” Round
120 Volt, 60Hz,
1 Phase
2.6 Amp
Fuse
Fuse
Fuse
Fuse Rating:
Rating:
Rating:
Rating:
Ignition System (direct sp
Ignition System (direct sp
Ignition System (direct sp
Ignition System (direct spark):
ark):
ark):
ark):
Spark Module: 2 Amp 250V
(for 24V Circuit)
30 second pre-purge period
6.0)
PACKING LIST
A.
A.
A.
A.
Control/Draft Inducer
Control/Draft Inducer
Control/Draft Inducer
Control/Draft Inducer Package
Package
Package
Package
Part Description
Part Description
Part Description
Part Description
QTY
QTY
QTY
QTY
Control Box Assembly .............................................................................................................................. 1
Draft Inducer Assembly (with 4” Starting Collar) ................................................................................. 1
Flue Restrictor Plate (refer to 5.0) for I.D. & part number) ................................................................. 1
Control Fastener Kit (#42787000) ........................................................................................................ 1
Containing:
¼ - 20 Locknuts (#02167010) ............................................................ 6
Gas Connector 5/8” OD x 36” (#30302360) ....................................................................................... 1
Installation & Operation Instructions (#42710000) ........................................................................... 1
CONTROL/DRAFT IND
CONTROL/DRAFT IND
CONTROL/DRAFT IND
CONTROL/DRAFT INDUCER
UCER
UCER
UCER PACKAGE NUMBERS
PACKAGE NUMBERS
PACKAGE NUMBERS
PACKAGE NUMBERS
NATURAL GAS
NATURAL GAS
NATURAL GAS
NATURAL GAS
PROPANE GAS
PROPANE GAS
PROPANE GAS
PROPANE GAS
MODEL NO.
MODEL NO.
MODEL NO.
MODEL NO.
PART NO.
PART NO.
PART NO.
PART NO.
MODEL NO.
MODEL NO.
MODEL NO.
MODEL NO.
PART NO.
PART NO.
PART NO.
PART NO.
LTU40-N5 ............................. #42735070
LTU40-L5 .............................. #42735080
LTU50-N5 ............................. #42735050
LTU50-L5 .............................. #42735060
LTU60-N5 ............................. #42735030
LTU60-L5 .............................. #42735040
LTU75-N5 ............................. #42735010
LTU75-L5 .............................. #42735020
B.
B.
B.
B.
Body Package Descriptions
Body Package Descriptions
Body Package Descriptions
Body Package Descriptions
Part Description
Part Description
Part Description
Part Description
QTY
QTY
QTY
QTY
#42734000, 15Ft. Body Package ......................................................................................................... 1
Containing: #42736000, Pre-assembled 15’ ALC steel tube assembly with reflectors ........ 1
#42762010, Control End Reflector ........................................................................... 1
#42761010, Foot End Reflector ................................................................................ 1
#02125130, #10-24x1/2 Screws .............................................................................. 6
#02266010, Speed Clips ........................................................................................... 14
#42769010, Sliding Clamps ....................................................................................... 6