BILT HARD WHF-0502 User manual

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Thank you for ordering our product.
Should you have any Tuestions, please feel free
to contact us at [phone]
or email to [email protected].
We alwaysfind ways to improve!
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very carefully. This USER’S MANUAL has been designed to instruct
you as to the proper manner in which to assemble, maintain, store,
manner.
8,500W Heavy Electric Utility Heater
USER'S MANUAL AND OPERATION
INSTRUCTIONS
WHF-0502
Intertek 5022073
CONFORMS TO UL STD 2021
CERTIFIED TO CSA STD C22.2
NO.46

IMPORTANT INSTRUCTIONS
1. Read all instructions before installing or using this heater.
2. This heater is hot when in use. To avoid burns, do not let bare skin touch
hot surfaces. Keep combustible materials, such as furniture, pillows,
bedding, papers, clothes, and curtains at least 3 feet (0.9 m) from the front
of the heater and keep them away from the sides and rear.
3. Extreme caution is necessary when any heater is used by or near children
or invalids and whenever the heater is left operating and unattended.
4. Always turn off the power of heater when not in use.
5. Do not operate any heater with the heater malfunctions, has been dropped
or damaged in any manner. Disconnect power at the service panel and
have the heater inspected by a professional before reusing.
6. Do not use outdoors.
7. This heater is not intended for use in bathrooms, laundry areas and similar
indoor locations. Never locate heater where it may fall into a bathtub or
other water container.
8. Do not insert or allow foreign objects to enter any ventilation or exhaust
opening as this may cause an electric shock or fire, or damage the heater.
9. To prevent a possible fire, do not block air intakes or exhaust in any
manner. Do not use on soft surfaces, like a bed, where openings may
become blocked.
10. A heater has hot and arcing or sparking parts inside. Do not use it in areas
where gasoline, paint, or flammable liquids are used or stored.
11. Use this heater only as described in this manual. Any other use not
recommended by the manufacturer may cause fire, electric shock, or injury
to persons.
12. To disconnect heater, turn controls to OFF, and turn off power supply to
the heater circuit at main disconnect panel.
13. If the red alarm light is on, immediately turn the heater off and inspect for
any objects on or adjacent to the heater that may have blocked the airflow
or otherwise caused high temperatures rise.
When using electrical appliances, basic precautions should always be followed
to reduce the risk of fire, electric shock, and injury to persons, including the
following:
PET OWNERS WARNING: The health of some small pets including birds are
extremely sen-sitive to the fumes produced during the first-time use of many
appliances. These fumes are not harmful to humans but we recommended that
you do not use your heater around birds and small pets during its initial use until
the manufacturing corrosion coatings burn off.
SAVE THESE INSTRUCTIONS

3
ITEM PAGE #
SPECIFICATIONS ........................................................................... 3
SAFETY INFORMATION ................................................................. 3
LOCATING HEATER ....................................................................... 4
PRE-INSTALLATION ....................................................................... 5
INSTALLATION ............................................................................... 6
OPERATING INSTRUCTIONS ........................................................ 11
MAINTENANCE .............................................................................. 14
TROUBLESHOOTING .................................................................... 15
TABLE OF CONTENTS
SPECIFICATIONS
SAFETY INFORMATION
This heater requires hardwire installation (no plug). The installation of this
product must be carried out by a certified electrician and in accordance with all
local and national electrical codes.
NOTE: Compatible with a 240V Line Voltage Double Pole Wall Thermostat. Must
be installed by a Certified Electrician.
Read and understand all installation & operation instructions prior to operating this
unit. Observe all safety instructions. .
WARNING
1. Use only copper wires rated for at least 60ºC.
2. Heater air flow must be directed parallel to or away from adjacent wall.
3. Observe all wall, floor and ceiling clearance requirements.
4. All wiring must be done according to national and local electrical codes. The
heater must be grounded as a precaution against possible electrical shock.
Heater circuit must be protected with proper fuses.
5. The mounting structure and the anchoring hardware must be capable of
supporting the weight of the heater and the mounting bracket (if used).
WATTS WATTS SET VOLTS PHASE AMPS BTU/HOUR
8500W H 240V,60Hz 1 35.4 29010
5600W L240V,60Hz 1
23.3 19112
CUSTOMER SUPPORT ................................................................. 17

6. All electrical power must be disconnected at the main service box, which
must be locked before connecting, inspecting, cleaning or servicing the
heater. This is an important precaution to prevent serious electric shock.
7. This heater is not suitable for use in hazardous locations containing
explosive liquids or vapours. This heater has hot or arcing or sparking pads
inside. Do not use it in areas where gasoline, paint or flammable liquids are
used or stored.
8. This heater is not suitable for use in corrosive atmospheres such as marine
greenhouses or chemical storage areas.
9. This heater must be mounted at least 8 feet off the floor. For specific
clearances, please see next page.
Install heater away from traffic areas, maintaining clearances stated in figure 2
(below). The air flow direction should not be restricted (ie. by columns or
machinery). The air flow should wipe exposed walls rather than blowing directly
on them. When more than one heater is used in an area, heaters should be
installed so that the air discharge of each heater supports the air flow of the
others, to provide best warm air circulation as shown in figure 3.
SAFETY INFORMATION
LOCATING HEATER
Improper installation or failure to follow the procedures outlined in this
instruction manual can result in serious electrical shock.
WARNING
4
Figure 2
13in.
NOTE: Min. clearance to ceiling when not
using mounting brackets is 1 5/8".
24"
½" or ¾" Min. Distance to Floor:
Discharge outlet point horizontally: min. 8ft.
Discharge outlet point vertically : min. 11ft.
1¾"
FRONT VIEW SIDE VIEW
Min. Distance
(side to wall)
13in.
Min. Distance
(back to Wall)
Min. Distance
from Discharge
(front) to any
object.

Part Quantity
A 1
B 1
C 3
D 6
PRE-INSTALLATION
LOCATING HEATER
Figure 3
Descrption
Heater
3/8" Dia. Lag Bolt
Mounting Bracket
Washer M12
5
E1
Remote Control
A B C D E

6
MOUNTING THE BRACKE (Refer to Figure 4a and 4b.)
HANGING THE HEATER
Figure 5
ADJUSTING AIR FLOW DIRECTION
Figure 4a. Single-Screw Mounting Figure 4b. Double-Screw Mounting
INSTALLATION
1. Locate a stud in the ceiling joist.
2. Drill a ¼" pilot hole in ceiling joints. Place a washer on screws before thread
through the mounting bracket, and screw tight into a ceiling joist. NOTE: If
you want to swivel the heater either to the right or left, adding a washer to
both sides of the bracket is recommended. A longer Lag bolt may be
required to properly secure the unit (see 4a).
3. Tighten screws enough to secure the heating unit with air flow pointed to
desired direction.
WASHER
BRACKET
3/8" Dia. Lag Bolt
CEILING JOIST
WASHER
WASHER
BRACKET
CEILING JOIST
3/8" Dia. Lag Bolt
1. Attach the heating unit to the mounting bracket.
2. Align the bracket screws with the keyholes slots
in the mounting bracket.
3. If the heater is to be tilted, It must be positioned
in the keyholes slots (see Figure 5)
4. Hand-tighten the bracket screws to secure the
heater at the desired direction.
Adjust the hand-tight
screw to tilt the heater. Remove the screw to
open the bottom plate.
1. Turn the unit horizontally - ONLY if the
heater were mounted with a single lag bolt,
as shown in figure 4a. Simply turn the entire
heater to the desired direction.
2. To tilt the unit vertically - Adjust the hand-
tight screw on the heater to the desired
angle,as shown in figure 5

MULTIPLE VERTICAL ANGLES
3. Adjust louvers to the desired position (see
Fig. 6).
NOTE:
The louvers are designed so they cannot be
completely closed. DO NOT attempt to
bypass this feature,or damage to the unit can
result.
CEILING
90° 67.5°
45°
INSTALLATION
NOTE:
For the heater to be tilted vertically, it must be mounted in bottom keyhole
slots of mounting brackets to maintain adequate clearance and prevent possible
overheating.
Figure 6
To prevent possible electric shock, disconnect power to the heater at the main service box before
attempting to adjust the heat output of this unit.
WARNING
45°
90°
7

8
CONNECTING THE POWER
INSTALLATION
1. Remove the screw from the front of the unit to connect the power to the heater.
2. Attach the cable connectors to the unit (See Figure 7) and slide the 10 gauge
wire through the cable connector.
NOTE: This appliance must be grounded.
NOTE: Proper size fuses and circuit breakers in accordance with the
National Electric Code must be used.
NOTE: The appliance must be connected to a 50Amp current protection circuit
breaker before being connected to power supply!
NOTE: For certain applications, conduit may be required (See Figure 6). Check
local electrical codes. If you run the wiring in conduit and wish to be able to turn
the heater be sure to purchase enough flexible conduit to allow the heater to be
turned.
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FLEXIBLE CONDUIT CONNECTOR
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If Heater is to
be connected
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with NM Cable

9
CONNECTING THE POWER(CONT.)
INSTALLATION
3. Pull wire at proper length through cable connector and connect the wire to
the power terminal located at the bottom of the heater (see Figure 8).
4. If an external external thermostat were preferred to use, please follow
below diagram.
Note: The external thermostat must be in accordance with the requirement
of UL or CSA standard.
Note: The lead wire of external thermostat can not be less than 22AWG.
Note: All wiring must be carried out by a certified electrician and must be in
accordance to national and local electrical codes.
WARNING:DISCONNECT POWER BEFORE WIRE CONNECTING, SERVICING.
Figure 8
BLACK(hot wire)
WHITE(hot wire)
GREEN or bare
coupper(grouding wire).
L2
L1
NOTE:
1. Black wire(hot) to terminal L1;
2. White wire(hot) to terminal L2;
3. Green wire(ground) to the
grounding screw.
External
thermostat
3
4
LINE
RED
LOAD
BLACK
External thermostat
Terminal station
1
2
B G G A
ACL2
ACL1
Temperature
Regulator
2833W
240VAC or 208VAC
60Hz, single phase
L1(L)
L2(N)
2833W 2833W

CONNECTING THE POWER(cont.)
5.Turn on the power at the main service.(240V or 208V, 60Hz, single phase)
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INSTALLATION
High temperatures – risk of fire. Keep flammable materials, such as furniture, pillows,
bedding, papers, clothes and curtains at least 3 ft. (0.9 m) from the front and top of the
heater and keep them away from the sides and rear.
WARNING
To reduce the risk of fire, do not use it in areas where gasoline, paint or flammable liquids are used
or stored.
WARNING
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State of California to cause development harm.
For more information, go to www.p65Warnings.ca.gov
WARNING
10

The heater must be properly installed before it is used.
WARNING
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OPERATING INSTRUCTIONS
11
Control Panel Remote Control
5 4 3 2 1 6
R5
R1
R2
R3
R4
Main Power Button(1&R1)
(1)on the control panel:
a. short press to turn the heater ON and OFF
b. when the heater is working, press this button for 10 seconds, the heater
enters the Lock Mode(with 1 beep sound). The Heater Control Button(2&R2),
Temperature Control Button(3&3R) on the control plate and the remote control
will not work. With screen on, press for another 10 seconds to quit the Lock
Mode(with 1 beep sound). Please note the Lock Mode can be triggered ONLY on
the control panel board. It won't work on the remote control.
(R1) on the remote control:
a.short press to turn the heater ON and OFF

OPERATING INSTRUCTIONS
12
Heater Control Button(2&R2)
(2)on the control panel; (R2) on the remote control:
Press this button to cycle as OFF→FA→AU/H/L
“OFF”means the thermostat is not activated and temperature reading cannot be
changed up or down.
“FA “ means the fan runs with no heat output.
“AU “indicate the heater entered the Auto Mode, the thermostat is activated.
“L”means the heater is working on its lower heating set(5600W).
“H”means the heater is working on its higher heating set(8500W)
Note: when the thermostat set temperature is 4°C(or 4°F) , or less, higher than
the ambient temperature, the heater works on “L” heating set; when the
thermostat set temperature is 6°C(or 6°F) ,or more, higher than the ambient
temperature, the heater works on “H” heating set.
Temperature Control Button(3&R3)
(3)on the control panel:
a.In the Auto Mode, Press these buttons to increase/decrease set
temperature(by 2°F /1°C increment) or timer(by 1h increment)
b.Press the button for 5 seconds, the temperature readings switch between °C
and °F.
(R3) on the Remote Control:
Press this button to increase set temperature( 2°F /1°C increment) or timer(1h
increment). Press this button to decrease set temperature ( 2°F /1°C increment)
or timer(1h increment).
Note: The default temperature is 77°F(25°C) . If there is no power outage occur,
when the heater is turned on again, it will keep the thermostat temperature set
during last use. If there is power outage, it will switch back to the default.
Timer Button(4&R4):
(4)on the control panel: (R4) on the Remote Control:
Press this button to set the timer (off-1H-2H-3H-4H-5H-6H-7H-8H). Once the set
timer expires, the garage will shut down automatically.
Note: On its first press, the timer function is off and the screen won’t lit.

13
OPERATING INSTRUCTIONS
Digital Display Screen(5)
The digital display screen shows temperature reading, function indicator ,error
code etc. When the heater is working with display screen off, press any function
button one time, the digital screen will be woken up and show the ambient
temperature. Press the same function button for the second time, the heater will
enter the its function mode. If no operation(button press) proceed in 5 seconds,
the display screen will go off.
Fahrenheit/Celsius Button(R5)
The default temperature shows °F (Fahrenheit). Press this button to switch
between °C and °F.
Thermostat Switch(6)
Find this switch on the back of the heater. This heater is designed with a built-in
thermostat for power saving. If an external thermostat were preferred to use.
Connect the external thermostat to the heater as instructed by a certified
technician. Then switch this button to “External Thermostat”
Featured Function:
Over-heat Protection
The heater will automatically shut off when overheat. All the icon on the display
panel will light off. Should the unit overheat, the cause of the overheating MUST
be diagnosed and rectified before further operation.
Heating Element Protection
When shutting down the heater after it heats for more than 3 seconds, the
heating element will stop working while the fan will keep running for 60 seconds.

MAINTENANCE
1. Before cleaning, make sure the power has been turned off at the circuit
breaker panel and the heating element of the heater is cool throughly.
2. For daily cleaning, wipe the unit with a dry duster regularly. If not used for a
long period, wipe the unit with damp cloth. But always remember DO NOT
PROCEED ANY CLEANING BEFORE THE HEATER TOTALLY COOLED
DOWN.
3. Do not use abrasive clearing powders or furniture polish. Do not use
chemical or abrasive products, metallic scourers and so on, which may
deteriorate the surface, to clean the appliance.
4. During the summer months, or at other times when the appliance is not in
use, disconnect the power supply, and cover the whole appliance with a dust-
cloth. Moreover, keep the appliance in a dry and cool place.
5. All other servicing should be performed by qualified service personnel. Do
not try to repair or alter the heater yourself.
Note: The motor is permanently lubricated, and no further lubrication is
needed.
14

TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTIONS
Heater does not
heat or stops
working
suddenly.
15
Check for power failure. Make sure the
heater is connected to a circuit breaker at
50Amp. Disconnect other parallel
connections(if any). Then reset the breaker
and turn on the heater.
Power failure or
circuit breaker has
been tripped.(power
icon lights off)
Room temperature
reaches the set
temperature, the
thermostat control
turns off the heater.
(fan keeps running
for 60 more
seconds)
This is not a product defectiveness. Wait
for the room temperature drops below the
set temperature. The heater will start
working again.
Heater were
switched onto
external thermostat
setting.
Check the thermostat switch on the back
of the heater. Switch it back onto the built-
in thermostat position.
The thermostat
sensor is
disconnected. "EE"
on display.
Disconnect power, then open the bottom
panel to reconnect the the thermostat
sensor.
Press the POWER button on the control
panel(not the remote control) for 10
seconds to quit the lock mode.
Heater is in Lock
Mode("LOC" on
display).
Press the HEATER button to switch from
FA to AU, namely enter the auto mode.
The heater is set on
fan only mode("FA"
on display). Blow
cold air only.
Press the HEATER button to enter the auto
mode(AU), adjust and set the temperature
higher than the room temperature.
The set temperature
is lower than the
room temperature.
(power icon lights
on)

TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTIONS
Heater does not
heat or stops
working
suddenly.
16
Check if the heater is mounted with
restricted air flow which might cause
overheating. Refer to page4 for correct
installation instruction. If mounting needs
to be adjusted, turn off the power and wait
till the heater cools down thoroughly.
Wait for a couple of minutes for the
overheat protection to restore(power icon
will light on along with a beep sound)
Note: The overheat protection restore
period might vary due to the different
ambient temperature. The lower the
ambient temperature is, the sooner the
overheat protection shall restore.
The overheat
protection has
been activated.
(The heater is
powered off, all
the icons on the
display panel light
off.)
Heater does not
heat well(low
output)
Heater wired to wrong
power source.
The heater should be wired to 208V or 240V,
60Hz, single phase power. If wired to 120V,
60Hz, single phase power, the heater might
still work, but at a very low heat output.
Heater emits a
burning smell
Dust/lubricate oil
debris might falls on
the heating coils.
Make sure the room is well ventilated. Allow
the heater to run for a couple of minutes till the
smell dissipates.
Combustible materials
near by the heater,
within 3ft.(0.9m).
Remove the combustible material around the
garage
Heater vibrates
and makes loud
noises.
The heater is not
properly mounted.
Especially when
mounted onto the
steel beam or frames.
Secure the mounting bracket.
The battery isolator
strip is not removed. Remove the isolator strip before use.
Remote control
does not work.
Operate beyond
available distance
(over 20feet)
Be sure to use the remote control within 20feet
from the heater.

TROUBLESHOOTING
CUSTOMER SUPPORT
Thank you for ordering our product. Should you have any questions, please feel free
to contact us at [phone] or email to [email protected]. We always find
ways to improve!
17
NOTE: This heater is a convectional heater which circulator air and heat the entire
space, not a single spot/direction the fan blows at.The heat might be hard to feel if stays
6 feet away from the the heater air outlets. This is not a productive defectiveness.