Master B100ECA User manual

R
IMPORTANT
Read and understand this manual before assembling, starting or servicing
heater. Improper use of heater can cause serious injury. Keep this manual
for future reference.
PORTABLE
FORCED
AIR HEATERS
OWNER’S MANUAL
B150ECA 150,000 BTU/Hr
B100ECA 100,000 BTU/Hr

2
Safety Information.........................................................................3
Product Identification .................................................................... 4
Unpacking......................................................................................5
Assembly .......................................................................................5
Theory of Operation ......................................................................6
Fuels ..............................................................................................6
Ventilation .....................................................................................7
Operation .......................................................................................7
Storage ........................................................................................... 8
Preventative Maintenance Schedule..............................................8
Troubleshooting.............................................................................9
Service Procedures ........................................................................ 10
Upper Shell Removal ..............................................................10
Fuel Filter (100,000 BTU/Hr Model) ..................................... 11
Fuel Filter (150,000 BTU/Hr Model) ..................................... 11
Spark Plug ............................................................................... 12
Air Output, Air Intake, and Lint Filters .................................. 13
Pump Pressure Adjustment .....................................................13
Nozzle (100,000 BTU/Hr Model)...........................................14
Nozzle (150,000 BTU/Hr Model)...........................................15
Pump Rotor ............................................................................. 16
Fan........................................................................................... 17
Wiring Diagram.............................................................................18
Specifications................................................................................. 18
Accessory ......................................................................................18
Illustrated Parts Breakdown and Parts List....................................19
Wheels and Handles................................................................ 19
100,000 BTU/Hr Model.......................................................... 20
150,000 BTU/Hr Model.......................................................... 22
Warranty and Repair Service......................................................... Back Cover
CONTENTS SECTION PAGE

3
SAFETY
INFORMATION
!
WARNINGS
IMPORTANT: Read this Owner’s Manual carefully and completely
before trying to assemble, operate, or service this heater. Improper
use of this heater can cause serious injury or death from burns, fire,
explosion, electrical shock, electrocution, and carbon monoxide
poisoning.
•Use only kerosene or No. 1 fuel oil to avoid risk of fire or explosion. Never
use gasoline, naphtha, paint thinners, alcohol, or other highly flammable
fuels.
•Never use heater where gasoline, paint thinner, or other highly flammable
vapors are present.
•Follow all local ordinances and codes when using heater.
•Use only in well vented areas. Provide at least three square feet (2800 square
cm) of fresh, outside air for each 100,000 BTU/Hr of rating.
•Use only in places free of flammable vapors or high dust content.
•Use only with the electrical voltage and frequency specified on model plate.
•Use only a three-wire, grounded (earthed) extension cord.
•Minimum heater clearances from combustibles:
Outlet: 8 Ft. (250cm) Sides, Top, and Rear: 4 Ft. (125cm)
•Locate heater on a stable and level surface while hot or running or a fire may
occur.
•When moving or storing heater, keep heater in a level position or fuel
spillage may occur.
•Keep children and animals away from heater.
•Unplug heater when not in use.
•When used with thermostat, heater may start anytime.
•Never use heater in living or sleeping areas.
•Never block air inlet (rear) or air outlet (front) of heater.
•Never move, handle, refuel, or service a hot, operating, or plugged in heater.
•Never attach duct work to front or rear of heater.
!
DANGER
Carbon monoxide poisoning may lead to death!
Early signs of carbon monoxide poisoning resemble the flu, with headaches,
dizziness, and/or nausea. If you have these signs, the heater may not be working
properly. Get fresh air at once! Have heater serviced. Some people (such as
pregnant women, persons with heart or lung disease, persons with anemia, those
under the influence of alcohol, and those at high altitudes) are more affected by
carbon monoxide than others.
Make certain you read and understand all Warnings. Keep this manual for
reference. It is your guide to safe and proper operation of this heater.

4
PRODUCT
IDENTIFICATION
Lower
Shell
Hot Air
Outlet
Figure 1 - 100,000 BTU/Hr Model
Fuel Cap
Side Cover
Power Cord
Fuel Tank
Fan Guard
Upper Shell
Fuel Cap
Fan Guard
Figure 2 - 150,000 BTU/Hr Model
Hot Air
Outlet
Lower
Shell
Power Cord
Air Filter
End Cover
Upper Shell
Fuel
Tank

5
UNPACKING 1. Remove all packing items applied to heater for shipment.
2. Remove all items from carton.
3. Check items for any shipping damage. If heater is damaged, promptly inform
dealer where you bought heater.
ASSEMBLY These models are furnished with wheels and handles. Wheels, handles, and the
mounting hardware are found in the shipping carton.
Tools Needed
•Medium Phillips Screwdriver
•3/8" Open or Adjustable Wrench
•Hammer
1. Slide axle through wheel support frame. Install wheels on axle.
IMPORTANT: When installing wheels, point extended hub of wheels toward
wheel support frame (see Figure 3).
2. Place cap nuts on axle ends. Gently tap with hammer to secure.
3. Place heater on wheel support frame. Make sure air inlet end (rear) of heater is
over wheels. Line up holes on fuel tank flange with holes on wheel support
frame.
4. Place front handle and rear handle on top of fuel tank flange. Insert screws
through handles, fuel tank flange, and wheel support frame. Attach nut finger
tight after each screw is inserted.
5. After all screws are inserted, tighten nuts firmly.
Figure 3 - Wheel and Handle Assembly
Screw
Fuel
Tank
Flange
Wheel
Cap Nut
Nut
Hot Air
Outlet
Axle Extended
Hub
Air
Inlet
Rear
Handle
Front
Handle
Wheel
Support
Frame

6
THEORY OF
OPERATION The Fuel System: The air pump forces air through the air line. The air is then
pushed through the burner head nozzle. This air causes fuel to lift from the tank. A
fine mist of fuel is sprayed into the combustion chamber.
The Air System: The motor turns the fan. The fan pushes air into and around
the combustion chamber. This air is heated and provides a stream of clean, hot air.
The Ignition System: The electronic ignitor sends voltage to the spark plug.
The spark plug ignites the fuel and air mixture.
FUELS
!
WARNING
Use only kerosene or No. 1 fuel oil to avoid risk of fire or
explosion. Never use gasoline, naphtha, paint thinners,
alcohol or other highly flammable fuels.
Fan
Fuel
Filter
Air For Fuel
System Air For Combustion And Heating Fuel
Spark
Plug
Combustion
Chamber Intake
Air
Filter
Motor Air Pump
Air line
To Burner Electronic
Ignitor
Burner
Head
Clean
Heated
Air Out
Cool
Air
In
Output
Air
Filter
Nozzle
Fuel
Tank
Do not use heavy fuels such as No. 2 fuel oil or No. 2 Diesel. Using heavy fuels
will result in:
•clogged fuel filter and nozzle
•carbon build up on spark plug
•use of non-toxic anti-icer in fuel during very cold weather
IMPORTANT: Use a KEROSENE ONLY container. Be sure storage container is
clean. Foreign matter such as rust or dirt may require you to clean fuel system
often.
Figure 4 - Cross Section Operational View

7
VENTILATION
OPERATION
!
WARNING
Follow the minimum fresh, outside air ventilation require-
ments. If proper fresh, outside air ventilation is not provided,
carbon monoxide poisoning can occur. Provide proper
fresh, outside air ventilation before running heater.
Provide a fresh air opening of at least three square feet (2800 square cm) for each
100,000 BTU/Hr rating. Provide extra fresh air if more heaters are being used.
Example: A 150,000 BTU/Hr heater requires one of the following:
•a two-car garage door raised six inches (15.24cm)
•a single-car garage door raised nine inches (22.86cm)
•two, thirty-inch (76.20cm) windows raised twelve inches (30.48cm)
!
WARNING
Review and understand the warnings in the Safety
Information Section. They are needed to safely operate this
heater. Follow all local codes when using this heater.
To Start Heater
1. Follow all ventilation and safety information.
2. Fill fuel tank with kerosene or No. 1 fuel oil.
3. Attach fuel cap.
4. Plug power cord of heater into standard 120 volt/60 hertz, grounded (earthed)
outlet. Use an extension cord if needed. Use only a three-wire, grounded
(earthed) extension cord.
Extension Cord Wire Size Requirements
Up to 100 feet (30.5 meters) long, use 16 AWG (1.0mm2) conductor
101 to 200 feet (30.6 to 61 meters) long, use 14 AWG (1.5 mm2) conductor
Heater will start when power cord is plugged into outlet.
To Stop Heater
1. Unplug power cord from outlet.
To Restart Heater
1. Wait 2 minutes after stopping heater.
2. Repeat steps under To Start Heater, above.

8
STORAGE 1. Drain fuel tank.
Note: Locate drain plug on underside of fuel tank. Remove drain plug to drain
all fuel. Be sure all fuel is removed.
2. Replace drain plug.
3. Add one gallon (4 liters) of clean kerosene to fuel tank.
4. Attach fuel cap.
5. Move heater forwards and backwards to stir fuel.
6. Remove drain plug and drain fuel tank. Be sure all fuel is removed.
7. Replace drain plug. Properly dispose of old and dirty fuel.
8. Store heater in dry place. Make sure storage place is free of dust and corrosive
fumes.
IMPORTANT: Do not store kerosene over summer months for use during next
heating season. Using old fuel could damage heater.
PREVENTATIVE
MAINTENANCE
SCHEDULE
Item How Often How To
Fuel tank Flush every 150-200 hours See Storage above.
of operation or as needed.
Air output and Replace every 500 hours of See Air Output, Air Intake,
lint filters operation or once a year. and Lint Filters, page 13.
Air intake Wash and dry with soap and See Air Output, Air Intake,
filter water every 500 hours of and Lint Filters, page 13.
operation or as needed.
Fuel filter Clean twice a heating season See Fuel Filter, page 11.
or as needed.
Spark plug Clean and regap every 600 See Spark Plug, page 12.
hours operation or replace
as needed.
Fan blades Clean every season or See Fan, page 17.
as needed.
Motor Not required/permanently lubricated
!
WARNING
Never service heater while it is plugged in, operating, or
hot. Severe burns and electrical shock can occur.

9
TROUBLE-
SHOOTING
!
WARNING
Never service heater while it is plugged in, operating, or hot.
Severe burns and electrical shock can occur.
Heater burns, but
creates puffs of
smoke.
Heater will not burn
steady.
Heater burns with
odor.
Heater smokes
continuously.
OBSERVED FAULT POSSIBLE CAUSE REMEDY
A) Water in fuel
B) Wrong fuel
Wrong pump pressure
Dirty air output, air intake,
and lint filters
Dirty fuel filter
Dirt in nozzle
A) Check fuel tank for
bubbles of water in
bottom. If found, remove
fuel and clean tank (see
Storage, page 8).
B) Remove wrong fuel
and clean tank (see
Storage, page 8). Fill
with correct fuel.
See Pump Pressure
Adjustment, page 13.
See Air Output, Air Intake
and Lint Filters, page 13.
See Fuel Filter, page 11.
SeeNozzle,pages14and15.
Heater will not
ignite, but motor
runs.
Heater almost out of fuel
Wrong pump pressure
Carbon deposits on spark
plug and/or improper gap
Dirty fuel filter
Dirt in nozzle
Water in fuel tank
Electronic ignitor not
grounded (earthed)
Bad electronic ignitor
Add fuel to tank. See
Fuels, page 6.
See Pump Pressure
Adjustment, page 13.
See Spark Plug, page 12.
See Fuel Filter, page 11.
SeeNozzle,pages14and15.
Drain and flush fuel tank
with clean kerosene. See
Storage, page 8.
Make sure electronic
ignitor mounting is tight.
Replace electronic
ignitor.
!
WARNING: High voltage!
Motor does not start
when heater is
plugged in, fan
rotates slowly or
does not turn.
Binding pump rotor
Solid state relay not
allowed to reset
If fan is hard to turn, see
Pump Rotor, page 16.
Wait two minutes before
trying to restart heater.

10
SERVICE
PROCEDURES
!
WARNING
Never service heater while it is plugged in, operating, or
hot. Severe burns and electrical shock can occur.
Upper Shell Removal
1. Remove screws along each
side of heater using 5/16"
nut-driver. These screws
attach upper and lower
shells together.
2. Lift upper shell off.
3. Remove fan guard.
Fan
Guard
Upper Shell
Figure 5 - Upper Shell Removal, 100,000 BTU/Hr Model
Upper Shell
Figure 6 - Upper Shell Removal, 150,000 BTU/Hr Model
Fan Guard

11
Fuel Filter
(100,000 BTU/Hr Model)
1. Remove side cover screws
using 5/16" nut-driver.
2. Remove side cover.
3. Pull upper fuel line off fuel
filter neck.
4. Carefully pry bushing,
lower fuel line, and fuel
filter out of fuel tank.
5. Wash fuel filter with clean
fuel and replace in tank.
6. Attach upper fuel line to
fuel filter neck.
7. Replace side cover.
Fuel Filter
(150,000 BTU/Hr Model)
1. Remove upper shell (see
page 10).
2. Remove fan (see page 17).
3. Loosen flare nut using 3/4"
open-end wrench. Push fuel
tube down, away from
burner head. Fuel filter is
located inside of fuel tube.
4. Lift out fuel filter.
5. Wash fuel filter with clean
fuel and replace in fuel
tube.
6. Connect fuel tube to burner
head. Attach flare nut until
nut seats against fuel tube
and fitting. Tighten 1/4 turn
more using 3/4" open-end
wrench (100-130 inch-
pounds/11.3-14.7 n-m).
7. Replace fan (see page 17).
8. Replace fan guard and
upper shell.
Burner
Head
Combustion
Chamber
Fuel Filter
Fuel Tube
Flare Nut
Fuel Filter, Bushing,
and Lower Fuel Line Upper
Fuel Line
Side Cover
Figure 7 - Fuel Filter Removal, 100,000 BTU/Hr Model
Figure 8 - Fuel Filter Removal, 150,000 BTU/Hr Model

12
Spark Plug
1. Remove upper shell (see
page 10).
2. Remove fan (see page 17).
3. Remove spark plug wire
from spark plug.
4. Remove spark plug from
burner head using 13/16"
open-end wrench.
5. Clean and regap spark plug
electrodes as follows:
.055" (1.4 mm) = 100,000
BTU/Hr model
.075" (1.9 mm) = 150,000
BTU/Hr model
6. Install spark plug in burner
head.
7. Attach spark plug wire to
spark plug.
8. Replace fan (see page 17).
9. Replace fan guard and
upper shell.
Figure 10 - Spark Plug Gap
Figure 9 - Spark Plug Removal
Burner
Head
Spark Plug
Wire
Spark
Plug
Bend Here
to Adjust
Gap
(100,000 BTU/Hr Model Shown)

13
Air Output, Air Intake,
and Lint Filters
1. Remove upper shell (see
page 10).
2. Remove filter end cover
screws using 5/16" nut-
driver.
3. Remove filter end cover.
4. Replace air output and lint
filters.
5. Wash or replace air intake
filter (see Preventative
Maintenance Schedule,
page 8).
6. Replace filter end cover.
7. Replace fan guard and
upper shell.
IMPORTANT: Do not oil
filters.
Pump Pressure
Adjustment
1. Remove pressure gauge
plug from filter end cover.
2. Install accessory pressure
gauge (part number
HA1180).
3. Start heater (see Operation,
page 7). Allow motor to
reach full speed.
4. Adjust pressure. Turn relief
valve to right to increase
pressure. Turn relief valve
to left to decrease pressure.
See specifications at right
for correct pressure for
each model.
5. Remove pressure gauge.
Replace pressure gauge
plug in filter end cover.
Lint Filter
Air Output
Filter
Air Intake Filter
Filter End
Cover
Fan Guard
(100,000 BTU/Hr
Model Shown)
Figure 11 - Air Output, Air Intake, and Lint Filters
Relief
Valve
Pressure Gauge Plug
Pressure
Gauge
Figure 13 - Adjusting Pump Pressure
Figure 12 - Pressure Gauge Plug Removal
Pump
Model Pressure
100,000 BTU/Hr 4.0 PSI
150,000 BTU/Hr 5.0 PSI
(150,000 BTU/Hr Model Shown)

14
Nozzle
(100,000 BTU/Hr Model)
1. Remove upper shell (see
page 10).
2. Remove fan (see page 17).
3. Remove fuel and air line
hoses from burner head.
4. Remove spark plug wire
from spark plug.
5. Remove spark plug from
burner head using 13/16"
open-end wrench.
6. Remove three screws using
5/16" nut-driver and
remove burner head from
combustion chamber.
7. Place burner head into vise
and lightly tighten.
8. Carefully remove nozzle
from burner head using
5/8" socket wrench (see
Figure 15).
9. Blow compressed air thru
face of nozzle. This will
free any dirt in nozzle area.
10.Inspect nozzle seal for
damage.
11.Replace nozzle into burner
head and tighten firmly
(80-110 inch-pounds/9.1-
12.4 n-m).
12.Attach burner head to
combustion chamber.
13.Install spark plug in burner
head.
14.Attach spark plug wire to
spark plug.
15.Attach fuel and airline
hoses to burner head.
16.Replace fan (see page 17).
17.Replace fan guard and
upper shell.
Figure 14 - Removing Burner Head, 100,000 BTU/Hr Model
Spark
Plug
Combustion
Chamber
Burner Head
Air Line Hose
Figure 15 - Removing Nozzle, 100,000 BTU/Hr Model
Nozzle
Face
Nozzle
Burner
Head
Air line
Fitting Fuel line
Fitting
Nozzle
Seal
Fuel Line Hose
Screw
Spark Plug Wire

15
Nozzle
(150,000 BTU/Hr Model)
1. Remove upper shell (see
page 10).
2. Remove fan (see page 17).
3. Remove spark plug wire
from spark plug.
4. Remove spark plug from
burner head using 13/16"
open-end wrench.
5. Loosen flare nut using
3/4" open-end wrench.
Push fuel tube down.
6. Remove air line hose from
burner head.
7. Remove three screws
using 5/16" nut-driver and
remove burner head from
combustion chamber.
8. Place burner head into vise
and lightly tighten.
9. Carefully remove nozzle
from burner head using
5/8" socket wrench (see
Figure 17).
10.Blow compressed air thru
face of nozzle. This will
free any dirt in nozzle area.
11.Inspect nozzle seal for
damage.
12.Replace nozzle into burner
head and tighten firmly
(80-110 inch-pounds/9.1-
12.4 n-m).
13.Attach burner head to
combustion chamber.
14.Install spark plug in burner
head.
15.Attach spark plug wire to
spark plug.
16.Attach fuel tube and airline
hose to burner head.
Attach flare nut until nut
seats against fuel tube and
fitting. Tighten 1/4 turn
more using 3/4" open-end
wrench (100-130 inch-
pounds/11.3-14.7 n-m).
17.Replace fan (see page 17).
18.Replace fan guard and
upper shell.
Figure 16 - Removing Burner Head, 150,000 BTU/Hr Model
Figure 17 - Removing Nozzle, 150,000 BTU/Hr Model
Nozzle
Face
Nozzle
Burner
Head
Nozzle
Seal
Combustion
Chamber
Burner Head Spark Plug
Wire
Air Line Hose
Fuel Tube
Flare Nut
Spark
Plug
Screw

16
Pump Rotor
(Procedure if rotor is binding)
1. Remove upper shell (see
page 10).
2. Remove filter end cover
screws using 5/16" nut-
driver.
3. Remove filter end cover
and air filters.
4. Remove pump plate
screws using 5/16" nut-
driver.
5. Remove pump plate.
6. Remove rotor, insert, and
blades.
7. Check for debris in pump.
If debris is found, blow
out with compressed air.
8. Install insert and rotor.
9. Check gap on rotor.
Adjust to .003"/.004"
(.076/.101mm) if needed
(see Figure 19).
Note: Rotate rotor one
full turn to insure the gap is
.003"/.004" (.076/.101mm) at
tightest position. Adjust if
needed.
10.Install blades, pump plate,
air filters, and filter end
cover.
11.Replace fan guard and
upper shell.
12.Adjust pump pressure (see
page 13).
Note: If rotor is still binding,
proceed as follows.
13.Perform steps 1 thru 6
above.
14.Place fine grade sandpaper
(600 grit) on flat surface.
Sand rotor lightly in
“figure 8”motion four
times (see Figure 20).
15.Reinstall insert and rotor.
16.Perform steps 10 thru 12
above.
Blade
Sandpaper
Figure 20 - Sanding Rotor
.003"/.004"
(.076/.101mm) Gap
Measured With
Feeler Gauge
Rotor
Gap Adjusting
Screw
Figure 19 - Gap Adjusting
Screw Locations
Fan Guard
(100,000 BTU/Hr
Model Shown)
Filter End Cover
Air Intake Filter
Pump Plate
Air Output Filter
Insert
Rotor
Figure 18 - Rotor Location
Gap Adjusting Screw
Blade

17
Fan
IMPORTANT: Remove fan
from motor shaft before
removing motor from heater.
The weight of the motor
resting on the fan could
damage the fan pitch.
1. Remove upper shell (see
page 10).
2. Use 1/8" Allen wrench to
loosen setscrew which
holds fan to motor shaft.
3. Slip fan off motor shaft.
4. Clean fan using a soft cloth
moistened with kerosene or
solvent.
5. Dry fan thoroughly.
6. Replace fan on motor
shaft. Place fan hub flush
with end of motor shaft
(see Figure 22).
7. Place setscrew on flat of
shaft. Tighten setscrew
firmly (40-50 inch-pounds/
4.5-5.6 n-m).
8. Replace fan guard and
upper shell.
Fan
Setscrew
Figure 21 - Fan, Motor Shaft, and Setscrew Location
Flush
Figure 22 - Fan Cross Section
Motor
Shaft
Fan
Setscrew
Motor Shaft

18
WIRING
DIAGRAM
ACCESSORY
Output Rating (BTU/Hr) 100,000 150,000
Fuel Use Only Kerosene or No. 1 Fuel Oil
Fuel Tank Capacity
(U.S. Gal./Liters) 9/34 13.5/51
Fuel Consumption
(Gal. Per Hr./Liters Per Hr.) .74/2.8 1.10/4.16
Electric Requirements 120 volt/60 hertz 120 volt/60 hertz
Amperage (Normal Run) 4.5 4.5
Hot Air Output (CFM/CMM) 480/13.6 648/18.3
RPM 3450 3450
SPECIFICA-
TIONS
Red
White
Red
Red
White
Blue
Green/Yellow
120V 60Hz
Black Relay
Motor Terminal
Board Ignitor
Brown
Spark Plug
AIR GAUGE KIT - HA1180
Special tool to check pump pressure.
Purchase this accessory from
your local dealer.

19
1
2
3
4
5
67
WHEELS AND HANDLES
FOR 100,000 AND 150,000 BTU/Hr MODELS
KEY PART PART 100,000 150,000
NO. NUMBER DESCRIPTION QTY. QTY.
1 HA2203 Handles 2 —
HA2205 Handles — 2
2 M12345-33 Screw, #10-24 x 1 3/4" 8 8
3 M12342-3 Frame, Wheel Support 1 —
M12831-3 Frame, Wheel Support — 1
4 NTC-3C Nut Torque, #10-24 8 8
5 097896-03 Wheel 2 2
6 M28526 Cap Nut 2 2
7 M51015-01 Axle 1 —
M16801-2 Axle — 1

20
ILLUSTRATED
PARTS
BREAKDOWN
100,000 BTU/Hr Model
13-1
13-2 13-3
13-4
13-5 13-6
13-7
13-8
13-9 13-10
13-11
13-12
13-13
13-15
13-16
13-17
13-18
13-14
Motor and Pump Assembly
8-2
8-6
8-5
8-4
8-3
8-1
Burner Head Assembly
8-7
1
2
3
8
9
10 11
12 13 14
15
16
17
19
20
25
28
27
29
30
31
32
33
34 35
36
37
40
38
26
6
21
22
23 24
7
4
5
18
39