Space Ray LTU Series Two Stage - Manual (Page 6)

Form #42710010
-4- May 2013
5.0) SPECIFICATIONS
Model Model Model Model
No. No. No. No.
Input Input Input Input, , , , Btu/hr Btu/hr Btu/hr Btu/hr 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
High High High High Low Low Low Low 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 25,000
30’ 16’-10”
1” #42741040 #31 (0.120) #49 (0.073) 10’. 9’
LTU 50 50,000 31,500 1-1/8” #42741030 3.3mm (0.130) #46 (0.081) 11’. 10’
LTU 60 60,000 38,000 1-7/32” #42741020 #27 (0.144) #43 (0.089) 12’ 11’
LTU 75 75,000 50,000 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 R R R Rating: ating: ating: ating: Ignition System (direct spark): Ignition System (direct spark): Ignition System (direct spark): Ignition System (direct spark):
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 (#42710010) ........................................................................... 1
CONTROL/DRAFT INDUCER CONTROL/DRAFT INDUCER CONTROL/DRAFT INDUCER CONTROL/DRAFT INDUCER 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-N7 ............................. #42735510 LTU40-L7 .............................. #42735520
LTU50-N7 ............................. #42735530 LTU50-L7 .............................. #42735540
LTU60-N7 ............................. #42735550 LTU60-L7 .............................. #42735560
LTU75-N7 ............................. #42735570 LTU75-L7 .............................. #42735580
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
#02189020, #10-16x1/2 Screws .............................................................................. 2
#02266010, Speed Clips ........................................................................................... 14
#42769010, Sliding Clamps ....................................................................................... 6