Dimplex CUH05B31T User manual

PRACTICAL USER’S GUIDE
FOR THE
DIMPLEX COMPACT UNIT HEATER
MODEL: CUH05B31T
7208960100R00

QUICK REFERENCE GUIDE
1. Prior to the first use of the heater verify the circuit breakers for the
heater are on.
2. The heater may emit a slight, harmless odor when first used. This
odor is a normal condition caused by the initial heating of internal
heater parts and will not occur again.
3. If you have any technical questions, questions regarding the operation
of your heater, or require service for your heater contact Dimplex
North America customer service at 1-888-DIMPLEX
(1-888-346-7539).
CONTENTS
PAGE 1 Important Instructions
PAGE 2 Heater Location and Clearances
PAGE 2 Electrical Connection
PAGE 3 Installation With Wall / Ceiling
Hanger Bracket
PAGE 4 Operation (Setting the Thermostat)
PAGE 4 Maintenance and Cleaning
PAGE 4 Warranty

IMPORTANT INSTRUCTIONS
PLEASE RETAIN THIS USER’S GUIDE FOR FUTURE REFERENCE
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.
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 (0.9m) from the
front of the heater and keep these 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. Do not install less than 6 feet (1.9m) from the floor.
5. Do not operate heater if: supplied wire is damaged; heater has malfunctioned; or heater has been
dropped / damaged in any manner. Return heater to authorized service facility for examination, electrical
or mechanical adjustment, or repair.
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 other water container.
8. Connect to properly grounded outlets only.
9. Do not insert or allow foreign objects to enter any ventilation or exhaust opening as this may cause an
electric shock to persons and / or may cause fire or damage to heater.
10. To prevent a possible fire, do not block air intake or exhaust in any manner.
11. All electrical heaters have hot, and arcing or sparking parts inside. Do not use in areas where gasoline,
paint, or flammable liquids are stored or where the unit will be exposed to flammable vapors.
12. 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 fire, electric shock or injury to persons.
13. This heater includes a visual alarm (red light) to warn that parts of the heater are over heating. 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 OPERATE WHEN RED LIGHT IS ON.
14. Always use a certified electrician should new circuits or outlets be required.
15. Disconnect all power supplies before performing any cleaning, maintenance or relocation of the heater.
16. When transporting or storing the heater, keep in a dry place, free from excessive vibration and store so as
to avoid damage.
SAVE THESE INSTRUCTIONS
1

HEATER LOCATION AND CLEARANCES
The heater is to be installed in a fixed 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.
DISCHARGE
OUTSIDE WALL
FIGURE 1
2
FIGURE 2
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 degrees in each direction from center, when
attached to wall and tilted in 45 degrees range while suspended from the wall or ceiling.
NOTE: The hardware for mounting the hanger bracket to the wall or ceiling is not included.
CAUTION: When turning and/or tilting the heater do not block the exhaust opening.

ELECTRICAL CONNECTION
WARNING: Consult local electrical codes in addition to the following 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. These supply wires must be two conductor non-metallic sheath cable with ground wire. Each
heater should be on an individual, properly fused circuit.
3. Route supply wires from junction box to CUH. These supply wires must be 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 using
approved wire nut connectors and secure the grounding wire to the ground screw on the heater
chassis.
6. Replace junction box cover of CUH.
OPERATION (Setting the Thermostat)
1. Before connecting or disconnecting the plug, turn unit off by turning knob fully counter clockwise. (See
FIGURE 4)
2. Heater is equipped with a thermostat. To adjust temperature to your individual requirements, turn
thermostat control knob clockwise 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 position to
maintain room temperature 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. 3
FIGURE 3
The following steps are shown in FIGURE 3:
1. Locate a stud or other suitable support and install hanger bracket on wall or ceiling. Select location so
control knob on back of heater will 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 on nut onto carriage bolt, turn and tighten with wrench.
* DO NOT INSTALL LESS THAN 6 FEET (1.9m) FROM THE FLOOR

1-888-DIMPLEX
1-888-346-7539
1367 Industrial Road, Cambridge, Ontario, Canada, N1R 7G8
Thermostat Control Knob
FIGURE 4
MAINTENANCE AND CLEANING
WARNING:
Disconnect power before attempting any maintenance or cleaning to reduce the risk of fire, electric shock or
damage to persons.
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.
WARRANTY
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.
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LOW
HI