Comfort Zone CZ277 Series User manual

Portable Industrial Heater
Save These Instructions
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Features:
• Waterproof and Dustproof up to IP24
• Fully Enclosed Motor for Extended Use in Dusty Environments
• 2 Heat Settings
• Fan-only Setting for Year-Round Air Circulation
• Adjustable Thermostat
• Hardwired or Used with a NEMA Receptacle
• Fan-Forced for Wide Heat Circulation
• Safety Overheat Protection
• Portable with Padded Handle
• Sturdy Heavy Gauge Steel Body
CZ277 Series
CZ279 Series

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WARNING: SHOCK HAZARD
Use your heater only in dry environments. This heater is not intended for
use in a bathroom, laundry area, or similar locations, or near sinks, washing
machines, swimming pools or other sources of water. Never locate heater
where it may fall into a bathtub or other water container. Do not use heater
outdoors. Do not use in damp environments such as ooded basements.
WARNING: HOT SURFACES
Do not touch body of heater when in use. This heater is hot when in use,
to avoid burns, do not let bare skin touch hot surfaces. If provided, use
handles when moving this heater.
WARNING: FIRE HAZARD
Heater has hot and arcing or sparking parts inside. Do not use near
combustible materials or ammable gases or sources of heat. DO NOT USE
in areas where gasoline, paint or ammable materials are used or stored.
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. Ensure a minimum of 5.5 Inches
(14cm) from both sides and rear of heater to adjacent walls. Keep rear
grille away from walls or drapes so as to not block air intake. To prevent a
possible re, do not block air intakes or exhaust in any manner. Do not use
on soft surfaces, like a bed, where openings may become blocked. Do not
insert or allow foreign objects to enter any ventilation or exhaust opening as
this may cause an electric shock, re, or damage the heater.
WARNING: ELECTRICAL SHOCK HAZARD
Do not use with damaged cord or plug. Use with adequate electrical system
that is up to code .
Do not operate any heater with a damaged cord or plug or after heater
malfunctions, has been dropped or damaged in any manner. Do not
operate heater with a broken heating element or ceramic cone or any visual
imperfections. For repairs covered under warranty, see warranty statement.
For all other repairs contact Comfort Zone
®
Customer Service by telephone
or mail for information and assistance.
PET OWNERS NOTE:
The health of birds and some small pets are extremely sensitive to the
fumes given off during the initial use of many appliances. Although these
fumes are not harmful to humans, it is recommended that this heater
not be used around birds and small pets during its initial use until the
manufacturing corrosion coatings burn off.
• If you have purchased an item from the CZ277 series (refer to
Item No. printed on the box), your heater must use a 208-240V
AC, 32 Amp (or larger) circuit.
• If you have purchased an item from the CZ279 series (refer to
Item No. printed on the box), your heater must use a 208-240V
AC, 42 Amp (or larger) circuit.
Do not plug anything additional into the same circuit. If you have
any questions whether your wiring is adequate, consult a qualied
electrician. Risk of re, overheating, malfunction, property damage,
injury or even death may result if not adhered to.
Use your heater-fan only with a working smoke detector located in the
vicinity of your heater-fan.
While using your heater-fan, you should follow the IMPORTANT
INSTRUCTIONS listed below. As part of those instructions, we have
used the word "WARNING" to indicate the level of hazard: WARNING
indicates a hazard which, if not avoided, could result in injury or death.
INTENDED USE
Electric Utility heaters are designed to meet a variety of heating
requirements. This product is intended for indoor use only. Use only with
electrical wiring that is in good working order and that meets applicable
codes and ordinances.
READ & SAVE THESE INSTRUCTIONS!
IMPORTANT INSTRUCTIONS
When using electrical appliances, basic precautions should always be
followed to reduce the risk of re, electric shock and injury to persons,
including the following:
• Read all the instructions before using this heater.
• This heater is hot when in use. To avoid burns, do not let bare skin
touch hot surfaces. Use provided handle when moving this heater.
Keep combustible materials, such as furniture, pillows, bedding,
papers, clothes and curtains at least 3 feet (0.9 meters) from the front
of the heater-fan and keep them away from the sides and rear. Ensure
a minimum clearnace of 5.5 inches (14cm) from both sides and rear of
heater to adjacent walls. Keep rear grille away from walls or drapes so
as to not block air intake.
• Do not use heater unattended. Use of extreme caution is necessary
when any heater is used by or near children, invalids, disabled persons
or pets.
• Do not operate the heater with a damaged power cord or after the
heater malfunctions, has been dropped or damaged in any manner.
Return heater to authorized service facility for examination, electrical or
mechanical adjustment or repair.
• Do not use heater outdoors.
• Use your heater only in dry environments. This heater is not intended
for use in a bathroom, laundry area, or similar locations, or near sinks,
washing machines, swimming pools or other sources of water. Never
locate heater where it may fall into a bathtub or other water container.
Do not use in damp environments such as ooded basements.
• Do not place the heater on a small, unlevel, uneven or any surface
which might allow heater to tip or fall.
• For proper operation, heater should be placed on a smooth,
non-combustible surface. Do not place on rugs, carpet, vinyl ooring
or other plastic surfaces. Not for use outdoors or in wet areas.
• This heater is not designed as a primary heat source.
• Heaters must be plugged directly into a wall outlet/receptacle or
hardwired directly into the power supply by a qualied electrician.
Never use with an extension cord or relocatable power tap
(outlet/power strip). Always unplug heater when not in use.
• Do not run power cord under carpeting. Do not cover cord with throw
rugs, runners or similar coverings. Arrange cord away from trafc area
where it will not be tripped over.
• To disconnect heater, turn controls off then remove plug from outlet.
• Do not insert or allow foreign objects to enter any ventilation or
exhaust opening as this may cause an electric shock or re or damage
the heater.
• To prevent a possible re, do not block air intakes or exhaust in any
manner. Do not use on soft surfaces like a bed, where openings may
become blocked.
• A heater has hot and arcing or sparking parts inside. Do not use it in
areas where gasoline, paint or ammable liquids are used or stored.
• Use this heater only as described in this manual. Any other use not
recommended by the manufacturer may cause re, electric shock or
injury to persons or property.
• Connect to properly grounded outlets only. Check heater voltage
and amperage on the back of heater to make sure it agrees with the
electrical service supplied.

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PARTS OF THE HEATER
1) Handle
2) Terminal Cover
3) Control Box Lid
4) Heating Element
5) Wheel
6) Angle Adjusting Knob
7) Thermostat
8) Power Switch
9) Back cover
10) Motor
11) Adjustable Foot
FRONT OF HEATER BACK OF HEATER
ASSEMBLY OF THE HEATER
1) Fit the handle onto the steel
frame.
2) Use the M4x25 screw and M4
cap nut to secure the handle
onto the steel frame. Tighten
the M4 cap nut.
3) Using the cotter 012 at washer,
place the axel on the steel
frame.
4) Attach the wheels using the
08 at washer and the 08
spring washer. Set the truckle
gasket onto the axel. Secure
by tightening with the M8 nut.
Snap on the truckle cover.
Insert Cotter Pin.
5) On both sides, screw in M8x28
Angle adjustment knob through
steel handle and into hole on
side of heater. Heater angle is
determined by which hole you
select on the side of heater.

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CZ277 CZ279 CZ277PC CZ279PC
Watts (Low Heat) 5,000 5,000 5,000 5,000
Watts (High Heat) 7,500 10,000 7,500 10,000
BTUs 25,600 34,100 25,600 34,100
AMP 31.3 41.7 31.3 41.7
Volts 240 240 240 240
Heat Settings 2 2 2 2
Fan Only Setting Yes Yes Yes Yes
Cord Length N/A N/A 6ft. 6ft.
Hardwired Ye s Yes N/A N/A
USAGE
HEATER OPERATION:
Always operate the heater in the upright position following all
instructions and recommendations listed in this manual.
HEATER LOCATION:
Place the heater in the area of the room that is coldest.
HEATER CONNECTION:
Some models require a Hardwire connection. If your heater
needs to be hardwired, please follow the steps below.
1) Remove the top cover of the control panel by removing the
st 3.5x10 screw.
2) Place the 3/C 6AWG power cord onto the connection post.
Secure power cord using the power cord x.
3) Replace control panel plate using the screws to secure.
WARNING: Never make the connection by yourself. It must
be done by a qualied electrician.
NOTE: To prevent overloading a circuit, do not plug the
heater into a circuit that is servicing other electrical needs.
White Conductor Green Conductor
( Grounded )
Black Conductor
Power Cord
SPECIFICATIONS
Please refer to the correct model for specications.

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IMPORTANT SAFETY FEATURES
OVERHEAT PROTECTION:
The heater is equipped with an automatic overheat protection device
located inside the body of the heater. If the heater grille is obstructed,
or if the heater gets too hot for any reason, the automatic overheat
protection device will turn the heater off. To reset the heater, simply turn
power off and unplug the heater for 10 minutes until it cools down and
you may plug in and restart the heater. Be sure that the heater is on a
smooth level surface with no obstructions.
CARE AND MAINTENANCE
CLEANING:
CAUTION – Before cleaning the heater be sure to disconnect the heater
from the power supply and allow the heater to cool completely. Clean
the outside surface with a clean damp cloth. Do not use harsh chemical
or abrasive cleaners. DO NOT IMMERSE THE HEATER IN WATER.
Allow heater to dry completely before use. Any other service should be
performed by a authorized service representative.
REPAIR:
DO NOT OPERATE THE HEATER WITHOUT BOTH THE FRONT AND
BACK GRILLE IN PLACE. DO NOT USE THE HEATER IF IT HAS
MALFUNCTIONED OR BECOME DAMAGED IN ANY WAY.
STORAGE:
Keep original carton for storage of the heater. Store heater in a cool, dry
place.
TILT ANGLE ADJUSTMENT:
This heater can be tilted to adjust the direction of the air to the desired
angle. To adjust the tilt angle, loosen the adjustment knob at both sides
of heater and gently press down the front or the back of heater housing.
The heater will be tilted.
Once the heater is tilted to the desired angle, tighten the adjustment
knobs on both sides to keep it in place.
TURNING HEATER ON:
Some models come equipped with a pre-installed plug. If your heater
comes with a plug, please plug into an electrical outlet before turning
the heater ON.
To start the heater, turn the heater ON by turning the POWER KNOB
away from the OFF « 0»position to the FAN ONLY «» setting or to
one of the two heat settings:
For faster heat up or to increase the heat output, turn the THERMOSTAT
CONTROL all the way to the MAX position. The thermostat function
controls the temperature output. To decrease the heat output, turn the
knob towards the MIN position. To completely shut off heater, turn the
POWER KNOB to the OFF « 0»position and unplug the heater.
NOTE: During the heaters initial use, you may experience a slight odor
or smoking. This is the result of the heating element lubrication "burning
off". This is normal and will go away after a few minutes of use.
CZ277 & CZ279 Series
« » - LOW HEAT
« » - HIGH HEAT
HEAT SETTING:
These heaters have a thermostat and two heat settings.
SETTING THERMOSTAT:
First, turn the thermostat to MAX and let the heater operate with full
power input. When the room reaches the desired temperature, turn the
thermostat to left until it switches off. The thermostat will then switch on
and off automatically to control the room temperature according to the
preset value and keep the room temperature constant.
CZ277 & CZ279 CONTROL PANEL
Power Knob
Adjustable Thermostat
TURNING HEATER OFF:
To shut the heater off, turn the POWER KNOB to the OFF « 0»position.
NOTE: When the unit is powered off, the fan may continue to run for a
while to cool off the heating element and dispense any retained heat.
The unit will then shut off automatically. Heater should be unplugged
when not in use.

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LIMITED WARRANTY
This unit is guaranteed to the original retail purchaser against defects in quality or workmanship for a period of one year from the date
of original purchase. If this unit fails because of a manufacturing defect within 30 days of purchase, return the unit, with your receipt,
to the retailer. After 30 days, but within the warranty period, if the unit was purchased within the continental United States, return it,
freight prepaid, to World and Main for repair or replacement. If the unit was purchased outside the continental United States, return
the unit to the place of purchase. This warranty does not cover damage caused by misuse, abuse, overheating or alteration. Repairs
made by anyone other than World and Main are not covered in this warranty. World and Main will not be held liable for any losses
due to neglectful operation. All implied warranties, including the warranties of merchantability and of tness of purpose, if applicable,
are hereby limited in duration to the period of one year from the date of original retail purchase. Some states do not allow limitations
on how long an implied warranty lasts, so the above limitations may not apply to you. Incidental or consequential damages arising
from a breach of either express or implied warranties are hereby disclaimed and excluded. Some states do not allow the exclusion
of limitation of incidental or consequential damages, so this limitation or exclusion may not apply to you. Upon the expiration of this
warranty all such liability will terminate. No other warranties are expressed or implied.
This warranty gives you specic legal rights, and you may also have other rights which vary from state to state. No informal dispute
settlement mechanisms are available. This limited warranty is given in lieu of all other warranties.
Manufactured for:
World and Main (Cranbury), LLC
324A Half Acre Rd.
Cranbury, NJ 08512 USA
800-221-6895
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Rev. 50/05/2022