Dimplex CUH05B31T User manual

Owner’s Manual
Model
CUH05B31T
7208960100R03
IMPORTANT SAFETY INFORMATION: Always read this manual rst
before attempting to install or use this heater. For your safety, always
comply with all warnings and safety instructions contained in this manual
to prevent personal injury or property damage.
To view the full line of Dimplex products, please visit
www.dimplex.com

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Table of Contents
Always use a qualied technician
or service agency to repair
this heater.
!NOTE: Procedures and
techniques that are considered
important enough to empha-
size.
CAUTION: Procedures and
techniques which, if not care-
fully followed, will result in
damage to the equipment.
WARNING: Procedures and
techniques which, if not care-
fully followed, will expose the
user to the risk of re, serious
injury, or death.
Welcome & Congratulations .................3
IMPORTANT INSTRUCTIONS ...............4
Heater Installation .........................5
Operation ................................8
Maintenance and Cleaning ..................8
Warranty ................................9
Replacement Parts .........................9

3
Welcome & Congratulations
Thank you and congratulations for choosing to purchase an electric
heater from Dimplex.
Please carefully read and save these instructions.
CAUTION: Read all instructions and warnings carefully before
starting installation. Failure to follow these instructions may result in a
possible electric shock, re hazard and will void the warranty.
Please record your model and serial numbers below for future
reference. Model and serial numbers can be found on the Model and
Serial Number Label of your heater.
NO NEED TO RETURN TO THE STORE
Questions with operation or assembly? Require Parts Information?
Product Under Manufacturer’s Warranty?
Contact us at: www.dimplex.com/customer_support
For Troubleshooting and Technical Support
OR Toll-Free 1-888-DIMPLEX (1-888-346-7539)
Monday to Friday 8:00 a.m. to 4:30 p.m. EST
Please have your model number and product serial
number ready. (See above)
Model Number

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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:
① Read all instructions before using
this heater.
②The heater is hot when in use.
To avoid burns, do not let bare skin
touch hot surfaces. The trim around
the heater outlet becomes hot during
heater operation. Keep combustible
materials, such as furniture, pil-
lows, bedding, papers, clothes, and
curtains at least 3 ft (0.9 m) from the
front of the unit 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 unat-
tended.
④ Do not install less than 6 feet
(1.9m) from the oor.
⑤ Do not operate any heater after it
malfunctions. Disconnect power at
the service panel and have the heater
inspected by a reputable electrician
before reusing.
⑥ Do not use outdoors.
⑦ Heater not intended for use in
bathrooms, laundry areas and similar
indoor locations. Never locate heater
where it may fall into a bathtub or
IMPORTANT INSTRUCTIONS
other water container.
⑧ Connect to properly grounded
power source only.
⑨ To disconnect the unit, turn the
controls off, and then switch off at
main power supply panel.
⑩ 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 to
the heater.
⑪ To prevent a possible re, do not
block air intake or exhaust in any
manner.
⑫ All electrical heaters have hot
and arcing or sparking parts inside.
Do not use in areas where gasoline,
paint, or ammable liquids are used
or stored.
⑬ Do not modify this heater. Use it
only as described in this manual. Any
other use is not recommended by the
manufacturer and may cause re,
electric shock or injury to persons.
⑭ This heater includes a visual alarm
(red light) to warn that parts of the
heater are overheating. If the red
light turns on, immediately turn heater
off and inspect for any objects on or
adjacent to the heater that may cause
high temperatures. DO NOT OPER-
ATE WHEN RED LIGHT IS ON.
⑮ Always use a certied electrician
should new circuits or outlets be

5
SAVE THESE INSTRUCTIONS
required.
⑯ Disconnect all power supplies be-
fore performing any cleaning, mainte-
nance or relocation of the heater.
⑰ When transporting or storing the
heater, keep in a dry place, free from
excessive vibration and store so as to
avoid damage.
IMPORTANT INSTRUCTIONS

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Figure 2 Figure 3
WARNING: To reduce the risk of
re, do not store or use gasoline or
other ammable vapors or liquids in
the vicinity of the heater.
CAUTION: High temperature,
risk of re, keep electrical cords,
drapery, furnishings, and other
combustibles at least 3 feet (0.9
m) from the front of the heater.
HEATER LOCATION AND
CLEARANCES
The heater is to be installed in a xed
location. The discharge air should
wipe the walls without blowing directly
on them. (FIGURE 1)
Ensure the air discharge is parallel to
or away from walls.
!NOTE: To prevent personal injury
always use a licensed electrician to
install new outlets or circuits.
CAUTION: When turning and/
or tilting the heater do not block the
exhaust opening.
INSTALLATION WALL/CEILING
HANGER BRACKET (FIGURE 2)
!NOTE: To prevent personal injury
always use a licensed electrician to
install new outlets or circuits.
The hanger bracket allows the unit to
be rotated approx 45° in each direc-
tion from center, and tilted in a 45°
range while suspended from the wall
or ceiling.
!NOTE: The hardware for mount-
ing the hanger bracket to the wall or
ceiling is not included.
CAUTION: When turning and/
DISCHARGE
OUTSIDE WALL
FIGURE 1
Heater Installation

7
or tilting the heater do not block the
exhaust opening.
The following steps are shown in
Figure 3:
1. Locate a stud or other suit-
able support and install hanger
bracket on wall or ceiling. Select
location so control knob on back
of heater can be reached easily. *
2. Insert carriage bolt into square
opening of heater handle.
3. Slide spacer over the carriage
bolt shaft and insert in hanger
bracket opening and hold them in
position.
4. Slide lock washer and thread
nut onto carriage bolt, turn and
tighten with wrench.
* DO NOT INSTALL LESS THAN 6
FT (1.9m) FROM THE FLOOR
ELECTRICAL CONNECTION
WARNING: Consult local electri-
cal codes in addition to the follow-
ing requirements:
1. Turn off main power supply at the
electrical panel.
2. Route supply wires from circuit
breaker to an approved junction
box, located near compact unit
heater. Each heater should be
on an individual, properly fused
circuit.
3. Route supply wires from junction
box to CUH. Supply wires from
junction box to heater must be
Heater Installation
L1
OFF
L2
CYCLE
THERMOSTAT
M
ELEMENT
GROUND
R
OVER TEMP.
CUT-OUT
FAN DELAY
Wiring
two conductor metallic sheath
(BX) cable with ground wire.
Alternatively, appropriate conduit
can be used.
4. Remove junction box cover of
CUH and remove one knockout
hole. Insert approved bushing
into hole and feed wire cable
through. Tighten bushing around
cable.
5. Make electrical connection to
CUH according to relevant wire
diagram. Make connections us-
ing approved wire nut connectors
and secure the grounding wire to
the ground screw on the heater
chassis.
6. Replace junction box cover of
CUH.

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Maintenance and Cleaning
WARNING: Disconnect power be-
fore attempting any maintenance
or cleaning to reduce the risk of
re, electric shock or damage to
persons.
!NOTE: This heater should not
be operated with an accumulation of
dust or dirt on or in the unit, as this
can cause a build up of heat and
eventual damage. For this reason the
heater must be inspected regularly,
depending upon conditions and at
least at yearly intervals.
Allow at least 30 minutes for the
heater to cool before attempting any
maintenance or cleaning. To clean
the exterior surface, use a solution of
water and mild detergent, apply with
damp sponge. Wipe dry with a dry
cloth. DO NOT re-energize unit until
it has dried thoroughly.
Operation
WARNING: This heater must be
properly installed before it is used.
Setting the Thermostat
1. Before connecting or discon-
necting the power, turn unit off
by turning knob fully counter
clockwise. (See FIGURE 4)
2. Heater is equipped with a ther-
mostat. To adjust temperature to
your individual requirements, turn
thermostat control knob clock-
wise all the way to turn heater
on. When room reaches desired
temperature, turn thermostat
knob counter clockwise until
you hear a click. Leave in this po-
LOW
HI
Figure 4: Thermostat Control
Knob
sition to maintain room tempera-
ture at this setting. For additional
heat, turn clockwise until you
hear a click again and heater will
turn on. To turn heater to lowest
setting, turn thermostat knob
counter clockwise all the way.

9
Warranty
© 2013 Dimplex North America Limited
Dimplex North America Limited
1367 Industrial Road
Cambridge ON
Canada N1R 7G8
Fan Blade ........................................ 5300220100RP
Motor Kit ......................................... 2000260300RP
Element .......................................... 2200070622RP
Thermostat ....................................... 2600060600RP
Cutout ........................................... 03005035RP
Knob - Clear ...................................... 8801200100RP
Replacement Parts
Dimplex Electric Heaters are tested
and inspected prior to shipment and
are guaranteed free from defect to the
purchaser of each new product. Any part
which proves to be defective in material
or workmanship under normal use within
one year will be repaired or replaced
without charge. The Company will not
be responsible for any expense incurred
for installation, removal from service, or
transportation costs. Any such defect
should be brought to the attention of the
Dealer where the product was purchased
and is authorized to repair or replace
within the terms of this warranty.
The Company’s only obligation under this
warranty will be at its sole option to repair
or replace any part proving defective or to
refund the purchase price thereof.
The owner/user assumes all other risks,
if any, including the risk of any direct,
indirect or consequential loss or damage
arising out of the use of or inability to use
the product.
The warranty will not apply if, in the
sole judgment of the Company, damage
or failure has resulted from accident,
alteration, misuse, abuse, incorrect
installation, or operation on an incorrect
power source.
The foregoing is in lieu of all other
warranties expressed, implied, or
statutory, and the Company neither
assumes, nor authorizes any person to
assume for it any other obligation, or
liability in connection with said product.