OPERATING INSTRUCTIONS
National-Riverside
HEAUTEnRiMveOrDsEaLl80-FAP
MODELS 150-FAST
SPC
ALL-PRO
MODEL SPC-150T
PROPANE
CONSTRUCTION
HEATER
FORCED AIR
150,000 BTU/HR
HEATER SPECIFICATIONS - 150
Type of Gas
InputRating
For Use with Propane Gas Only
150,000BTU/hr
FuelConsumption
Gas Supply Pressure
7 Lbs/hr
to Regulator
Max: Bottle Pressure
Min: 5 psig
Regulator Out
11" W.C.
Fuel Orifice Size
ElectricalInput
MinimumOperatingVoltage
Fan
Average Air Temp Rise
Ignition
Primary Flame Control
HighTemperatureLimitControl
MinimumAmbientTemp.Rating 0oF
1.00 mm Drill - 18 Holes
115V, 60Hz 10, 4a
100V
3000 rpm, 450 cfm
Approx. 300oF
Direct Spark, Interrupted Type
Solid State, 10-15 second Timing
240oF
Size (Length x Width x Height)
New Weight
ShippingWeight
26" x 9" x 16"
32 lbs.
34 lbs.
YOUR SAFETY IS IMPORTANT TO YOU AND TO OTHERS,
SO PLEASE READ THESE INSTRUCTIONS BEFORE YOU
OPERATE THIS HEATER.
!
!
GENERAL HAZARD WARNING:
FAILURE TO COMPLY WITH THE PRECAUTIONS AND INSTRUCTIONS PROVIDED WITH THIS
HEATER, CAN RESULT IN DEATH, SERIOUS BODILY INJURY AND PROPERTY LOSS OR DAMAGE
FROM HAZARDS OF FIRE, EXPLOSION, BURN, ASPHYXIATION, CARBON MONOXIDE POISONING,
AND/OR ELECTRICAL SHOCK.
ONLY PERSONS WHO CAN UNDERSTAND AND FOLLOW THE INSTRUCTIONS SHOULD USE OR
SERVICE THIS HEATER.
IF YOU NEED ASSISTANCE OR HEATER INFORMATION SUCH AS AN INSTRUCTIONS MANUAL,
LABELS, ETC. CONTACT THE MANUFACTURER.
RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE.
OPERATING INSTRUCTIONS
PROPANE FUEL PRECAUTIONS
WARNING:
PREPARINGFOROPERATION
Local codes for installation of propane systems may vary
considerably. Therefore, ask your local propane supplier for
advice on propane system installation in your particular area.
In the absence of local codes, install in accordance with
American National Standards Institute (ANSI)/National Fire
Protection Association (NFPA) publication Standard for the
Storage and Handling of Liquefied Petroleum Gases ANSI/
1. Check the heater for possible shipping damage. If
any is found, immediately notify your dealer.
2. Follow all of the "Precautions" on pages 2 & 3.
3. Connect the POL fitting of hose and regulator assem-
bly to the propane cylinder by rotating the POL nut
counterclockwise into the propane cylinder's valve
outlet and securely tighten with a wrench.
4. Connect the hose to the heater by rotating the hose
fitting clockwise.
NFPA 58-1998. Your supplier, fire marshal or library should
have a copy.
5. Securely tighten all gas connections.
6. Open the cylinder's gas valve and check all gas
connections with a soap and water solution. DO NOT
USEAFLAME.
The propane supply system must be arranged for vapor
withdrawal. Propane cylinders must be secured in the upright
position to keep them from falling or being knocked over.
7. Connect power cord to well-grounded 115V, 60 Hz, 10
source of power.
8. When using an extension cord, make certain that it is
a 3-wire (grounded) cord of proper wire size. See
chart on page 4.
During use, liquid propane in a container vaporizes. As it
vaporizes, the propane cools itself. If this cooling process
continues long enough and proceeds fast enough, the pro-
pane temperature and pressure will fall so low that heater
operation may be improper or even impossible even though
plenty of propane remains in the container. Often frost forms
on the outside of the propane container as a warning of
START
1. Slowly open the main valve at propane cylinder.
2. Set the thermostat to the desired temperature.
Heater will turn on and off automatically as the
temperature varies in the heated areas.
excessive refrigeration.
STOP
Recommendations to reduce the ill effects of refrigeration are:
* Provide considerably more propane than you plan to
consume. As a rule of thumb, provide twice as much.
* Fill containers frequently, especially in cold weather.
Never allow propane to fall below one-third of con-
tainer capacity.
1. Securely close valve on the propane cylinder.
2. Continue to operate heater until all fuel in the hose
has burned.
3. Turn the heater thermostat to off.
RESTARTAFTERSAFETYSHUTDOWN
1. Securely close valve at propane cylinder. Unplug
heater.
2. Wait 5 minutes.
3. Restart following "Start" procedure.
MAINTENANCEANDSTORAGE
1. The heater should be inspected before each use, and
at least annually by a qualified person.
2. Before each use, check the soft "O" ring seat at the
bullnose of the POL fitting. If the "O" ring is cut,
scuffed, or otherwise damaged, replace it with part
number 6681.
* If possible, keep containers in a warm area. Under
no circumstances should the heater exhaust be
directed toward the propane container.
* Watch for frost formation on the container. If it
occurs, discontinue use of the heater and refill the
container.
SIZEANDCAPACITYOFPROPANECYLINDERS
The chart below shows the approximate size of the cylinder
required for this heater. To use the chart:
1. Select the lowest air temperature expected (at the
bottom of the chart).
3. Turn off the gas at the LP-gas supply cylinder(s) when
the heater is not in use.
4. When the heater is to be stored indoors, the connec-
tion between the LP-gas supply cylinder(s) and the
heater must be disconnected and the cylinder(s)
removed from the heater and stored out of doors and
in accordance with Chapter 5 of the standard for
Storage and Handling of Liquefied Petroleum Gases
ANSI/NFPA 58-1998.
2. Move straight up to time of operation desired (left
side of chart).
3. Read the cylinder size required.
Recommended Minimum Gauge for Cord Extensions
Wire Gauge Chart A.W.G.
Name
Plate 120V
Amps.
CordLengthinFeet
25
50
100
150
5-6
6-8
8-12
10-12
12-14
18
18
18
16
16
16
16
14
14
12
14
12
12
10
10
12
10
10
8
8
150-FAST/SPC-150FAST
Item
1
Part No.
150-FAST SPC-150FAST
Description
Qty Item
Part No.
150-FAST SPC-150FAST
Description
Qty.
1
1700
1712
Burner Shell Assembly
1
28
3441
3441
Thermostat Mounting Bracket
2
3
4
5
6
7
8
9
1672
1168
1146
1550
3038
7095
7094
1939
1672
1168
1146
1550
3038
7095
7094
1940
6010
6074
6041
6030
3133
1561
3087
6225
3132
6152
6255
6433
6122
6100
6123
1171
1083
3037
Middle Cylinder Assembly
Orifice Assembly
Flame Holder Assembly
High Limit Control Assembly
Nut, Orifice
1
1
1
1
1
1
2
1
1
1
1
1
2
29
30
31
32
33
34
35
36
*
**
**
*
*
1
*
*
*
*
*
*
6070
1734
6070
1734
Clamp Loop, 5/16
Thermostat Assembly
1
1
10739 10739 FlameControl
1
3333
6223
1036
1942
1937
6189
7219
3210
6712
7744
*
7789
7067
6383
7743
6410
7745
7499
3333
6223
1036
1942
1937
6189
7219
3210
6712
7744
6374
7789
7067
6752
7743
6410
7745
7499
Flame Control Bracket (7499)
Bushing, Strain Relief, 1/4
Power Cord Assembly
Thermostat Knob Assembly
Control Box Assembly
Terminal, "Y" Adaptor
Control (Mark 10N)
Bracket (7219)
Label, Hangtag
Label, Model/Operating Instructions
6374 Label, Electrical Ground
Label, Wiring Diagram
Label, BTU Rating
1
1
Handle
1
1
1
2
1
1
1
1
HandleMountingClip
Motor Shell Assembly
Set Screw, Nyloc
Fan
10 6010
11 6074
12 6041
13 6030
14 3133
15 1561
16 3087
17 6225
18 3132
19 6152
20 6255
21 6433
22 6122
23 6100
24 6123
25 1171
26 1083
27 3037
Nut, Lock
Screw, Machine
Support, Motor Strap
Motor Assembly
Grille,Inlet
Snap Bushing, 5/8
Saddle, Motor Support
Hose Assembly
Regulator, 11" WC
POL Excess Flow
Fitting, Male Connector
Solenoid Valve
Fitting, Male Connector
Fuel Tube Assembly
Spark Plug
1
1
1
1
1
1
1
1
1
1
1
1
3
1
2
2
1
1
1
1
1
1
1
1
Label, Logo
Manual, Operating Instr.
Label, Thermostat
Parts List/Wiring Diagram
FlameControl
**
**
**
**
*
10739 10739 FlameControlMiniPotted
6641
3983
1959
6641
3983
1959
Terminal Board (7801 & 7808)
Bracket (7801 & 7808)
Harness
Nut, Spark Plug 14 mm
** Alternate Control
*Not shown on exploded view
7745B
SEPTEMBER2001
WIRING DIAGRAM
WIRING CHART
PART NO.
COLOR
LENGTH
FROM
TO
1041
1041
1226
1226
1226
1188
1111
1959
1959
1959
1959
White
White
4 1/2"
4 1/2"
TerminalBlock
FlameControlValve
High Limit Switch
Valve
Valve
Valve
Red (Hi-Temp) 16 1/2"
Red (Hi-Temp) 16 1/2"
Red (Hi-Temp) 16 1/2"
Green
Orange
Green
Red
Terminal Block
High Limit Switch
High Limit Switch
Ground
Spark Plug
Ground
Terminal Block
Terminal Block
Terminal Block
Flame Control Valve
FlameControl(Ground)
FlameControl(Ignition)
Flame Control (Harness)
Flame Control (Harness)
Flame Control (Harness)
Flame Control (Harness)
6"
8"
7"
7"
6"
6"
White
Black
INSTRUCTIONS FOR ORDERING PARTS
All parts orders must show heater Model No., Item No., Part
No., and Description. We recommend that only parts
supplied by the manufacturer be used on this unit. A locally
purchased part may appear to be identical, although in
reality it might endanger the heater or the persons operating
the heater.
The heater should be serviced only by a trained, experi-
enced service person.
Read the section on "Servicing" before ordering parts.
For parts order, call (909) 981-5343.
150-FAST/SPC-150T
SERVICING
TECHNICAL INFORMATION
A hazardous condition may result if a heater is used that
hasbeenmodifiedorisnotfunctioningproperly. Whenthe
heater is working properly:
HOW MUCH HEAT DO I REQUIRE?
* The flame is contained within the heater.
* The flame is essentially blue with perhaps
some yellow tipping.
* There is no strong disagreeable odor, eye
burning or other physical discomfort.
* There is no smoke or soot internal or external to
theheater.
For economy, it is important to match input to that
required. But heat requirements often vary. For ex-
ample, it usually takes a lot more heat to get things warm
than it does to keep them that way. Likewise, outside air
temperature usually changes during the day so you may
need more heat at night than you do in the daytime. An
approximation of the heat required can be found by using
the chart below.
* There are no unplanned or unexplained shut
downs of the heater.
Thepartslistsandwiringdiagramshowtheheaterasitwas
constructed. Do not use a heater which is different from
thatshown. Inthisregard,useonlythehose,regulatorand
cylinder connection fitting (called a POL fitting) supplied
withtheheater. Donotusealternates.Forthisheater,the
regulator must be set to supply 11" water column (W.C.)
outletpressure(.40psig). Ifthereisanyuncertaintyabout
the regulator setting, have it checked.
BTU'S PER HOUR REQUIRED
Cubic feet
of space to
beheated
Temperature Rise Required (oF)*
20o
30o
40o
50o
5,000
7,000
14,000
19,000
27,000
40,000
54,000
80,000
133,000
20,000
28,000
40,000
60,000
80,000
120,000
200,000
27,999
38,000
54,000
80,000
107,000
160,000
266,000
34,000
47,000
67,000
100,000
133,000
200,000
333,000
10,000
15,000
20,000
30.000
50,000
A heater which is not working right must be repaired, but
onlybyatrained,experiencedserviceperson. Contactthe
factoryfortheservicecenterclosesttoyou,phonenumber
(909)981-5343.
Youmayalsoobtainin-warrantyorout-of-warrantyservice
by returning the product freight prepaid to:
Scheu Products Company
8855BakerAvenue
RanchoCucamonga,CA91730
WARNING: When using a thermostat the heater exit
area should be protected from personnel and warnings
posted of sudden startup.
In-warrantyproductsreturnedtotheServiceDepartment
willberepairedwithnochargeforeitherpartsorlaborand
will be returned to you freight prepaid. Please include a
brief statement indicating date, place of purchase, the
nature of the problem and proof of purchase.
Out-of-warrrantyproductsreturnedtotheServiceDepart-
mentwillberepairedwithachargeforpartsandlaborand
will be returned to you freight collect.
ANSI Z83.7b-1993/CGA 2.14-1972
Construction Heater
SCHEUPRODUCTSCOMPANY,INCORPORATED
MAIL: P.O. BOX 250, UPLAND, CA 91785
PLANT:8855BAKERAVE.,RANCHOCUCAMONGA,CA91730
TELEPHONE: 909-981-5343
P/N 7743D
September 2000
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