Page 1
OPERATING INSTRUCTIONS AND OWNER’S MANUAL
MR. HEATER
MODEL
4000DF 6000DF 4000DF 6000DF
READ INSTRUCTIONS CAREFULLY: Read
and follow all instructions. Place instructions in
a safe place for future reference. Do not allow
anyone who has not read these instructions to
assemble, light, adjust or operate the heater.
HEATSTAR
BY ENERCO
MODEL
DIRECT FIRED
PORTABLE HEATER
WARNING:
— Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any
other appliance.
— Service must be performed by a qualified service agency.
This is an unvented portable heater. It uses air (oxygen) from the area in which it is used. Adequate
combustion and ventilation air must be provided. Refer to page 5.
If the information in this manual is not followed exactly, a fire or explosion
may result causing property damage, personal injury or loss of life.
07/08 #50125ENERCO GROUP, INC., 4560 W. 160TH ST., CLEVELAND, OHIO 44135 • 800-251-0001
Page 2
WARNING:
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.
WARNING:
NOT FOR HOME OR RECREATIONAL VEHICLE USE
WARNING:
FIRE, BURN, INHALATION, AND EXPLOSION HAZARD.
KEEP SOLID COMBUSTIBLES, SUCH AS BUILDING MATERIALS, PAPER OR CARDBOARD, A SAFE DISTANCE
AWAY FROM THE HEATER AS RECOMMENDED BY THE
INSTRUCTIONS NEVER USE THE HEATER IN SPACES
WHICH DO OR MAY CONTAIN VOLATILE OR AIRBORNE
COMBUSTIBLES, OR PRODUCTS SUCH AS GASOLINE,
SOLVENTS, PAINT THINNER, DUST PARTICLES OR UNKNOWN CHEMICALS.
WARNING:
The State of California requires the following warning:
COMBUSTION BY-PRODUCTS PRODUCED WHEN US-
ING THIS PRODUCT CONTAIN CARBON MONOXIDE,
A CHEMICAL KNOWN TO THE STATE OF CALIFORNIA
TO CAUSE CANCER AND BIRTH DEFECTS (OR OTHER
REPRODUCTIVE HARM).
WARNING:
READ THE INSTRUCTIONS GIVEN IN THIS
MANUAL BEFORE USING THE APPLIANCE.
• DO NOT USE GASOLINE, NAPHTHA OR VOLATILE
FUELS.
• THE ELECTRICAL SYSTEM TO WHICH THE APPLIANCE
IS CONNECTED MUST COMPLY WITH ALL SAFETY
REGULATIONS IN FORCE. A RESIDUAL CURRENT
CIRCUIT BREAKER MUST BE PROVIDED ON THE MAIN
DISTRIBUTION BOARD.
• UNPLUG THE HEATER BEFORE ATTEMPTING ANY
SERVICE OR MAINTENANCE.
• ALWAYS CHECK THE POWER SUPPLY CABLE BEFORE
USE. IT MUST NOT BE BENT, CRUSHED, OR ANYWAY
DAMAGED.
• THE POWER SUPPLY CABLE MUST BE REPLACED ONLY
BY QUALIFIED PERSONNEL.
• ONLY USE AN ORIGINAL H07RN-F POWER CABLE
WITH WATERPROOF PLUG.
CONTENTS
WARNINGS .................................................................................. 2
SPECIFICATIONS ........................................................................... 3
OPERATION ................................................................................. 4
SAFETY DEVICES .......................................................................... 4
MAINTENANCE ............................................................................ 5
TROUBLESHOOTING ....................................................................6
WIRING DIAGRAMS ..................................................................... 7
PARTS LIST ................................................................................... 8
• DO NOT TOUCH THE EXHAUST GAS OUTLET. DANGER
OF BURNS!
ENERCO GROUP, INC. |Direct Fired Portable Heater Operating Instructions and Owner’s Manual
2
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IMPORTANT
Before using the heater, read and understand all instructions and
follow them carefully. The manufacturer is not responsible for
damages to goods or persons due to improper use of units.
GENERAL RECOMMENDATIONS
The direct-red heater runs on diesel fuel. This direct combustion
heater exhausts hot air and the combustion products into
the room, while those with indirect combustion are fitted
with a flue to take the fumes away through the chimney.
Always follow local ordinances and codes when using this
heater:
• Read and follow this owner’s manual before using the
heater.
• Use only in places free of ammable vapors or high dust
content.
• Never use heater in immediate proximity of ammable
materials (the minimum distance must be 6 ft.).
• Make sure re ghting equipment is readily available.
• Make sure sufcient fresh outside air is provided according
to the heater requirements. Direct combustion heaters
should only be used in well vented areas in order to avoid
carbon monoxide poisoning.
• Never block air inlet (rear) or air outlet (front).
• In case of very low temperatures add kerosene to the
heating oil.
• Make sure heater is always under surveillance and keep
children and animals away from it;
• Before starting the heater always check free rotation of
ventilator fan.
• Unplug heater when not in use.
TECHNICAL SPECIFICATIONS
Heat input [kBTU/h] 400 610
Air flow [cfm] 2.500 2.800
Fuel Type Diesel/Kerosene/#1-2 Fuel Oil
Heat output [kBTU/h] - -
Fuel consumption
Phase 1 1
Power supply
Electric consumption
Nozzle [USgal/h] 2.00-30° S 3.00-80°S
Pump pressure [psi] 174 217
Max static pressure [in WC] - Recommended max. temp. in the air
duct
Adjustment of combustion air flap
Flue diameter [in] - Compulsory flue draft [in WC] - Tank capacity [gal] 27.7 35.7
Dimensions, L x W x H [in] 62.4x27.6x39 67.9x27.6x41.2
Net Weight [lb] 222 246
Voltage [V] 12 0 12 0
Frequency [Hz] 60 60
[gal/h] 12.83 4.46
[lb/h] 19.58 30.84
[W] 1,170 1,040
[A] 8.30 10.50
[°F] - -
[in] a=0.59 a=1.00
N° - -
MH 4000DF
HS 4000DF
MH 6000DF
HS 6000DF
Operating Instructions and Owner’s ManualENERCO GROUP, INC. |Direct Fired Portable Heater
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Page 4
OPERATION
Before any attempt of starting the heater is made, check that
your electrical supply conforms to the data on the model plate.
Control Board
1 4
1 RESET BUTTON WITH CONTROL LAMP
2 CONTROL LAMP
3 MAIN SWITCH
4 ROOM THERMOSTAT PLUG
5 POWER CORD
Gap of Electrodes
3 2
O N
0
O N
X
Y
Z
• Install the heater on a at, level oor in a steady position.
• It is forbidden to connect direct-red heaters to air ducts.
WARNING
• DO NOT USE GASOLINE, NAPHTHA OR VOLATILE FUELS.
• STOP HEATER BEFORE ADDING FUELS.
5
• ALWAYS FILL OUTDOORS AWAY FROM OPEN FLAME
• DO NOT USE EXTERNAL FUEL SOURCE.
• DO NOT OPERATE HEATER WHERE FLAMMABLE LIQUIDS
OR VAPORS MAY BE PRESENT.
• DO NOT START HEATER WHEN CHAMBER IS HOT
• DO NOT START HEATER WHEN EXCESS FUEL HAS ACCUMU-
LATED IN THE CHAMBER.
• DO NOT PLACE COOKING UTENSILS ON TOP OF THE
HEATER.
• PLUG ELECTRICAL CORD INTO A PROPERLY GROUNDED
THREE-PRONG RECEPTACLE.
The generator can only work automatically when a control device,
such as for example a thermostat or a timer, is connected to the
generator. Connection to the generator is made by removing the
socket cover(4) and inserting the thermostat plug.
To start the machine you must:
•If connected to the thermostat, turn the switch to (ON +
•If not connected to the thermostat, turn the switch to (ON).
When unit is started for the first time or is started after the oil
tank has been totally emptied, the flow of oil to the burner may
be impaired by air in the circuit. In this case the control box will
cut out the heater and it might be necessary to renew the starting
procedure once or twice by depressing the reset button (1).
Should the heater not start, check that oil tank
is full and depress reset button (1).
Should the heater still not work, please refer to chapter
“OBSERVED FAULTS, CAUSES AND REMEDIES”.
);
STOPPING THE HEATER
Set main switch (3) on “0” position or turn thermostat or other
control device on lowest setting.
The flame goes out and the fan continues to work for approx.
90sec. cooling the combustion chamber.
Models X Y Z
4000 DF
6000 DF
Clearances
The following minimum safety clearances from materials or objects
in the surroundings of the heater must be ensured:
Sides 2.5 ft. Air Inlet 2.5 ft.
Top 6 ft. Air outlet 12 ft.
• Floors and ceilings must be made of reproof materials in
the room where the heater is operated.
• The air inlet and outlet must never be blocked for any
reason.
0.157 in 0.098 in 0.157 in
0.157 in 0.098 in 0.157 in
ENERCO GROUP, INC. |Direct Fired Portable Heater Operating Instructions and Owner’s Manual
SAFETY DEVICES
The unit is fitted with an electronic flame control box. In case of
malfunction this box will cut in and stop the heater, at the same
time the pilot lamp in the control box reset button (1) will light up.
Heaters are also equipped with an overheat thermostat safety
cutout which will stop the heater in case of overheating. This
thermostat will reset automatically but you will have to depress
button (1) on control box before being able to restart the heater.
TRANSPORT
WARNING
• Before making any attempt to restart heater nd and elimi-
nate reason of overheating.
Before heater is moved it must be stopped and unplugged. Before
moving the heater wait till it has totally cooled off and make sure
oil tank cap is securely fixed.
4
Page 5
The hot air generators with wheels must be wheeled. The
suspended version which has no wheels must be transported with
adequate machinery.
MAINTENANCE
Preventive and regular maintenance will ensure a long trouble free
life to your heater.
WARNING
• Never service heater while it is plugged in, operating or hot.
Severe burns or electrical shock can occur.
Every 50 hours of operation: disassemble filter and wash with
clean oil, remove upper body parts and clean inside and ventilator
with compressed air, check correct attachment of H.V. connectors
to the electrodes and check H.V. cables, remove burner assembly,
clean and check electrode settings, adjust according to scheme
“GAP OF ELECTRODES”.
COLUMN INTENTIONALLY LEFT BLANK
Operating Instructions and Owner’s ManualENERCO GROUP, INC. |Direct Fired Portable Heater
5
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TROUBLESHOOTING
TROUBLE CAUSE SOLUTION
Motor does not start, no ignition
No electrical current Check mains (should be 120 V – 1~ – 60 Hz)
Check proper positioning and functioning of switch
Check fuse
Motor starts, no ignition or cuts out
Motor starts, heater emits smoke
Heater does not stop
Wrong setting of room thermostat or other control
Thermostat or other control
defective
Electrical motor defective Replace electrical motor
Electrical motor bearings
defective
Burned out condenser Replace condenser
Electric ignitor defective Check connection of H.V. Ieads to electrodes and transformer
Flame control box defective Replace control box
Photocell defective Clean or replace photocell
Not enough or no fuel at all
at burner
Solenoid defective Check electrical connection
Not enough combustion air Make sure air inlet and outlet are free
Too much combustion air Check setting of combustion air flap
Fuel contaminated or contains water
Air leaks in fuel circuit Check the seals on the ducts and the diesel filter
Not enough fuel at burner Check pump pressure
Too much fuel at burner Check pump pressure
Solenoid Replace solenoid coil or complete solenoid
Check correct setting of heater control. If thermostat, make
sure selected temperature is higher than room temperature
Replace control device
Replace electrical motor bearings
Check electrodes setting (see scheme “GAP OF ELECTRODES”)
Check electrodes for cleanliness
Replace H.V. transformer
Check state of motor-pump plastic coupling
Check fuel line system including fuel filter for possible leaks
Clean or replace oil nozzle
Check thermostat LI
Clean or replace solenoid
Check setting of combustion air flap
Clean burner disc
Drain fuel in tank with clean fuel
Clean oil filter
Clean or replace fuel nozzle
Replace nozzle
If heater still not working properly, please revert to nearest authorized dealer.
ENERCO GROUP, INC. |Direct Fired Portable Heater Operating Instructions and Owner’s Manual
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WIRING DIAGRAM
4000 AND 6000 SERIES MODELS
DRAWING LEGEND
FU Fuse
IT Transformer H.V.
LI1 Overheat Thermostat
EV1 Solenoid Valve 1°
FO Photocell
CO Condenser
MV Fan Motor
ST Electric pilot
RV Control
TA Room Thermostat
RE Relays
AP Control Box
PA Air pressure control
RF Heater filter
FA Fan thermostat
PE Ground
Operating Instructions and Owner’s ManualENERCO GROUP, INC. |Direct Fired Portable Heater
7
Page 8
4000DF and 6000DF Series Direct-Fired Portable Heater
25
27
29
03
47
A
05
15
08
09
B
46
17
10
06
01
04
37
30
12
20
11
16
14
17
14
13
86
12
82
84
83
76
75
70
51
56
57
58
59
63
69
65
66
68
80
72
74
77
52
53
67
54
61
60
64
62
19
33
34
32
45
18
22
23
21
19
24
26
28
35
31
36
38
38
44
39
39
37
42
43
38
79
78
76
71
81
87
88
55
48
49
50
73
75
02
07
85
A
31
B
13
ENERCO GROUP, INC. |Direct Fired Portable Heater Operating Instructions and Owner’s Manual
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Page 9
NO. HS# BM2 # 3500 4000 6000 DESCRIPTION NO. HS# BM2 # 3500 4000 6000 DESCRIPTION
01 50027 G06139-9010
* *
outlet cone 46 50086 G06072
* * *
sleeve ø8 x ø6 x 9.5
G06230
*
51 50246 G06153
* * *
electrial components dwr
G06231
*
52 50093 E20508
* * *
fuse holder
G06232
*
53 50092 E10313
* * *
fuse (6x30) 20A
04 50037 G06143-9010
*
cover protection 56 50096 E20319
* * *
terminal board
G06233-9010
*
57 50097 E11125
* * *
relay finder 65.31 AC
G06234-9010
*
58 50098 E20305
* * *
terminal board
G06235-9010
*
59 50319 E10930
* * *
transformer HT BRHAMA
G06236-9010
*
63 50320 E40124
* * *
control box BRAHMA
G06237-9010
*
64 50014 G06073 * * * plate for elect. Components
G06238-9010
*
65 50013 E10102-P * * * switch on-off
07 G06240
* *
air flap 66 E20614 * * * thermostat plug 3P+T
50160 E10678-110
*
motor 450W with condenser 67 50011 E20665 * * * thermostat cap
50045 E10679-110
* *
motor 750W with condenser 68 50009 E30443 * * * elect. Wire w/plug and fastener
50161 E11230
*
condenser 40µF 69 50008 E11030 * * * lamp 120V
E11241
* *
condenser 90µF 50321 T20357 * * nozzle 2.00 GPH 80° W
50163 G06125-9010
*
50006 T20327 * nozzle 3.00 GPH 80° W
G06239-9010
* *
50126 G01077 * *
50165 T10260
*
fan blade ø350 18° G07025 *
50048 T10215-B
*
fan blade ø496 18° 72 I33005 * * * nozzle support
50049 T10263
*
fan blade ø500 18° G06228 * *
50167 P30169
*
G06229 *
50050 P30129
* *
74 50131 I31034 * * * nut M14
13 50051 I40330
* * *
tube BP 1/4"FF L.420mm 76 50133 I40192 * * * micropipe
14 50052 I20104
* * *
nipple FE 1/4"mm 77 50134 E10215 * * * electrode
15 02AC575-1
* * *
oil filter pre-heater 1/4" 50322 G02078 * * H.T. cables 90° BRAHMA
16 50054 G06104-9005
* * *
filter support 50135 G02076 * H.T. cables 90° COFI
17 50055 I40329
* * *
tube BP 1/4"FF L.260mm 79 50323 E50328 * * * photo cell
18 50056 I20176-9005
* * *
handle 50324 T20443-1 * pump Danfoss BFA01-R4
19 50057 C30319
* * *
plug 50139 T20411-1 * * pump Danfoss BFP11-R5
50058 P20177-9005
* *
83 50140 T20118 * * * solenoid spool Danfoss
50059 P20180-9005
*
84 50141 T20117 * * * solenoid valve Danfoss
21 50060 I40331
* * *
tube BP 1/4"F L. 580mm 50195 E10513 * coupling K1
50061 I30696
* *
pick-up tube L. 220mm 50143 E10514 * * coupling K2
50062 I30698
*
pick-up tube L. 290mm 86 50144 T20241 * * * o-ring kit oil filter
23 50063 I30737
* * *
nipple 1/4"m-m12x1.75m 87 50145 T20242 * * * filter cartridge
24 50064 G06068-9005
* * *
power lead hook 90 50325 E20418 * * * stop button
50170 G06127-9005
*
fuel tank 105 liters 91 50336 E50327 * * * photo cell holder
50065 G06128-9005
*
fuel tank 105 liters 92 G06222-9010 * * * photo cell mounting plate
G06146-9005
*
fuel tank 135 liters 93 50337 E50441 * * * pressure switch 100Pa
26 50070 C30367
* * *
fuel cap 94 I40332 * * * silicone pipe ø4x9
27 50067 G06129-9005
* * *
wheel axle 95 I31131 * * * connection straight ø6
50068 G06106-9005
* *
96 T20442 * * * solenoid valve cable
G06107-9005
*
29 50071 C10546
* * *
wheel 260-25
30 50072 M20202
* * *
spring washer
31 50073 I25019
* * *
drain plug
32 50074 C30350
* * *
o-ring 30x2.62
G00248
* *
G00251
*
35 50077 P50127
* * *
control box cover
G06242-9010
*
G06241-9010
* *
42 C30323
* * *
cable protection ø10
44 C30372
* * *
cable protection ø35
45 50085 E50102
* * *
pressure switch
turbo disc
73 burner flange ø 102mm
78
base36
70
71
82
85
28 wheel axle support
33 electrical components dwr
20 foot
22
25
10 motor flange
11
12 inlet grill
lower body06
08
09
HS-MH3500DF, 4000DF-6000DF Portable Heater Parts List BM2
03 combustion chamber
05 upper body
15 Ed. 05/09
Page 10
OPERATING INSTRUCTIONS AND OWNER’S MANUAL
READ INSTRUCTIONS CAREFULLY: Read
MR. HEATER
MODEL
4000DF 6000DF 4000DF 6000DF
and follow all instructions. Place instructions in
a safe place for future reference. Do not allow
anyone who has not read these instructions to
HEATSTAR
BY ENERCO
MODEL
assemble, light, adjust or operate the heater.
WARNING:
USE ONLY MANUFACTURER’S REPLACEMENT PARTS. USE OF ANY OTHER PARTS
COULD CAUSE INJURY OR DEATH. REPLACEMENT PARTS ARE ONLY AVAILABLE
DIRECT FROM THE FACTORY AND MUST BE INSTALLED BY A QUALIFIED SERVICE
AGENCY.
PARTS ORDERING INFORMATION:
PURCHASING: Accessories may be purchased at any Mr. Heater/HeatStar local dealer
or direct from the factory
FOR INFORMATION REGARDING SERVICE
Please call Toll-Free 800-251-0001 • www.enerco-mrheater.com
Our office hours are 8:30 AM – 5:00 PM, EST, Monday through Friday.
Email to: techservice@enerco-mrheater.com
Please include the model number, date of purchase, and description of problem in all
communication.
LIMITED WARRANTY
The company warrants this product to be free from imperfections in material or workmanship,
under normal and proper use in accordance with instructions of The Company, for a period
of one year from the date of delivery to the buyer. The Company, at its option, will repair or
replace products returned by the buyer to the factory, transportation prepaid within said one
year period and found by the Company to have imperfections in material or workmanship.
If a part is damaged or missing, call our Technical Support Department at 800-251-0001.
Address any Warranty Claims to the Service Department, Enerco Group, Inc., 4560 W. 160TH
ST., Cleveland, Ohio 44135. Include your name, address and telephone number and include
details concerning the claim. Also, supply us with the purchase date and the name and address
of the dealer from whom you purchased our product.
The foregoing is the full extent of the responsibility of the Company. There are no other
warranties, express or implied. Specifically there is no warranty of fitness for a particular
purpose and there is no warranty of merchantability. In no event shall the Company be liable for
delay caused by imperfections, for consequential damages, or for any charges of the expense
of any nature incurred without its written consent. The cost of repair or replacement shall be
the exclusive remedy for any breach of warranty. There is no warranty against infringement of
the like and no implied warranty arising from course of dealing or usage of trade. This warranty
will not apply to any product which has been repaired or altered outside of the factory in any
respect which in our judgment affects its condition or operation.
Some states do not allow the exclusion or limitation of incidental or consequential damages, so
the above limitation or exclusion may not apply to you. This Warranty gives you specific legal
rights, and you may have other rights which vary from state to state.
Enerco Group, Inc.
obligation, in colors, specifications, accessories, materials and models.
reserves the right to make changes at any time, without notice or
ENERCO GROUP, INC., 4560 W. 160TH ST., CLEVELAND, OHIO 44135 • 800-251-0001
Mr. Heater is a registered trademark of Enerco Group, Inc.
© 2004, ENERCO GROUP, INC. All rights reserved
ENERCO GROUP, INC. |Direct Fired Portable Heater Operating Instructions and Owner’s Manual
10
07/08 #50125
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