Transcript
Ceiling Heater CMH Series
IMPORTANT INSTRUCTIONS
When using electrical appliances, basic precautions should always be followed to reduce the risk of fire, electric shock and injury to person, including the following: 1. Read all instructions before using this heater. 2. The 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 a 3.3 ft (1 m) from the front of the heater and keep them away from the sides and rear. 3. Wiring procedures and connections should be in accordance with the National Electric Code (NEC & CEC) and local codes. 4. Extreme caution is necessary when any heater is used by or near children or invalids and whenever the unit is left operating and unattended. 5. Do not operate any heater after it malfunctions. Disconnect power at service panel and have heater inspected by a certified electrician before reusing. 6. To disconnect heater, turn off power to heater circuit at main disconnect panel. 7. Do not use outdoors. 8. 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. 9. 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. 10. 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 away from heater. 11. 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. 12. To prevent a possible fire, do not block air intake or exhaust in any manner.
SAVE THESE INSTRUCTIONS Figure 1 7.5 - 10 kW
Mounting Bracket
Terminal Box Cover
2 - 5 kW
Installation Instructions WARNING: Wiring procedures and connections should be in accordance with the National Electric code (NEC) and local codes. WARNING: To reduce the risk of fire, do not store or use gasoline or other flammable vapors and liquids in the vicinity of the heater. CAUTION: It is recommended that two people install the unit. CAUTION: The heater should be mounted for DOWNWARD discharge only.
Surface Mount 1. Unpack the heater from the carton and remove the two screws securing the bracket to the unit, to remove the mounting bracket, and remove the terminal box covers. (Figure 1) CAUTION: Care should be taken when removing the terminal box cover, as the electrical connections are attached to it. 2. Determine the desired location for the heater and secure the mounting bracket to the ceiling (hardware not included). CAUTION: The ceiling and mounting hardware must have adequate strength to support the heater. Attachment to a firm support is a necessity. ! NOTE: See Figure 2 for minimum clearances for the unit. 3. Remove the desired knockout from the terminal box. ! NOTE: It is only necessary to remove the knockout(s) that will feed the power supply wiring, keeping in mind the heater mounting location and supply wire location. 4. Hang the heater from the hooked edge of the mounting bracket and proceed to the wiring instructions.
Hanging Mount (Threaded Rod) 1. Unpack the heater from the carton, remove the two screws securing the bracket to the unit and remove the screws securing the terminal box cover. (Figure 1) CAUTION: Care should be taken when removing the terminal box cover, as the electrical connections are attached to it. ! NOTE: See Figure 2 for minimum clearances for the unit. 2. There are four brackets on the top surface of the unit with 1/2 in. (13 mm) holes which can be used to suspend the unit from an open ceiling using 3/8” (9.5 mm) threaded rod. 3. Remove the desired knockout from the terminal box. ! NOTE: It is only necessary to remove the knockout(s) that will feed the power supply wiring, keeping in mind the heater mounting location and supply wire location.
Wiring Terminal Box Cover
WARNING: Wiring procedures and connections should be in accordance with the National Electric Code (NEC) and local codes. 1. Run supply wiring of proper voltage and wire size to the location of the terminal box of the heater. (See Table 2 for 7213190100R04
line amperes) Supply wiring should be enclosed in 1/2 in. (13 mm) conduit. 2. Wire all heaters and controls in accordance with the appropriate wiring diagram. ! NOTE: The wiring diagram for specific unit is located on top of the heater. Table 2 - Recommended minimum supply wire sizes are listed in the table below: MAXIMUM WATTS PER CIRCUIT USING 75 °C WIRE (COPPER WIRE) Rough in Wire Size
120V
208V
240V
277V 347V
480V
600V
14
1440
2496
2880
3324
4164
5760
7200
12
1920
3328
3840
4432
5552
7680
9600
10
2880
4992
5760
6648
8328
11520
14400
! NOTE: Supply wire entry is commonly made into one heater. Though wiring (factory furnished) can be used for connection to adjacent heaters. 3. Wrap the supply ground wire around the green ground screw and tighten. 4. Do a final and complete check of all wiring then replace the terminal box covers being careful not to pinch any wires. 5. The terminal box covers may now be reinstalled. W ARNING: TO PREVENT THE RISK OF FIRE OR INJURY, DO NOT OPERATE THE HEATER UNLESS IT IS FULLY ASSEMBLED. ! NOTE: The inspection cover is intended to provide access for electrical inspections. 6. Swing the heater upwards to secure the opposite side of the heater to the bracket and secure with previously removed screws.
Operation W ARNING: This heater must be properly installed before it is used. 1. Prior to energization remove all construction dirt (plaster, sawdust, etc.) from interior and exterior of heater. 2. This unit is controllable from a line voltage wall thermostat or a low voltage thermostat through a relay, refer to the wiring diagram. Dimplex ceiling heaters are designed and tested for safe and trouble-free operation. All Dimplex ceiling heaters are protected against overheating by a built-in thermal cutout. Free airflow throughout the heater is extremely important for the most efficient operation of the heater. Restricted airflow may cause the thermal overload protector to cycle the heater “ON and OFF”. A cycling heater will not supply sufficient heat to the room. CAUTION: Avoid direct contact of paper, fabric, or furniture with heater. Figure 2 MINIMUM 2-5kW - 10" (250mm) 7.5-10kW - 16" (410mm)
2-5 kW - 6' (152 cm) 8 ft.kW(244 cm)cm) 7.5-10 - 8' (213
Wiring 240V 3/4/5KW 1/3PH
347V 3/4/5KW 1PH
L1 L2 L3 TERMINAL BLOCK
CONTACTOR L1 T1
L2 T2
L3 T3
L4
1
2
3
4
T4 1
H1
347V
FAN MOTOR
FAN DELAY
M
H1
FAN MOTOR G
H2
T1
T2
CONTACTOR
3
1
FAN MOTOR H1 H2 H3
2
2
CUTOUT
T2
T3
T4
G
3
2
FAN MOTOR
H2
2
4
3
FAN DELAY
M
H1
G
L3
L4
4
3
LINE STAT 1
CONNECT REMOTE STAT TO 3, 4 OR RELAY TO 1,3,4
3
CUTOUT
4
2
3
CONTACTOR
L2
L3
T1
T2
T3
1
2
3
H1 H2 H3
M FAN MOTOR
4
2
240V L1
L2
T1
T2
CONTACTOR
3
3
H2 H3
2
4
3
FAN DELAY
M FAN MOTOR
H1
CUTOUT
2
1
FAN DELAY
G
1
G
CUTOUT
TERMINAL BLOCK
L1 L2 L3
TERMINAL BLOCK
L1 L2 TERMINAL BLOCK
L1
480V/600V 7.5kW/10kW 3PH
277V/347V/480V/600V 7.5kW/10kW 1PH
L1 L2 L3
1 G
T1
1
240V
H3
4
FAN DELAY
M
L4 1
208V/240V 7.5kW/10kW 3PH
TERMINAL BLOCK 1
L2
L3
L2
RELAY
208V/240V 7.5kW/10kW 1PH L1
L2
H3
CUTOUT
L1 L2
3
L1
CUTOUT
H2
H3
600V
CONTACTOR
FAN DELAY
M
3
2
TERMINAL BLOCK
L1 L2 L3
4
3
2
1 T1
2
1
240V
L1 CONTACTOR
REMOVE JUMPER BETWEEN 1PH OPTION TERMINAL BLOCK 3,4,
L1
TERMINAL BLOCK
L1 L2
L1 L2
600V 3/4/5KW 1/3PH
50 L1
L2
L3
T1
T2
T3
1
240V
CONTACTOR
3
2
1
H1 H2
3
FAN DELAY
M FAN MOTOR
2
4
G
CUTOUT
H3
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Maintenance W ARNING: Always disconnect power at the circuit breaker to the unit prior to performing any maintenance or service operation. CAUTION: Allow adequate time for the element and body casing to cool before attempting to work on the heater. It is suggested that the heater be inspected regularly, for cleanliness of the fan intake and exhaust grilles, to ensure optimal performance is maintained. The grilles can be cleaned either by vacuuming off all dust and dirt or, washing the filter in warm, soapy water and allowing to dry thoroughly before reinstalling. Once cleaning is complete replace the grille and and restore power. W ARNING: TO PREVENT THE RISK OF FIRE OR INJURY, DO NOT OPERATE THE HEATER UNLESS IT IS FULLY ASSEMBLED. At least at yearly intervals the wire connection condition should be inspected to ensure full electrical continuity and optimal performance is maintained. W ARNING: The user can perform cleaning ONLY. All other servicing should be performed by qualified service personnel.
Warranty The Manufacturer warrants the CMH series ceiling heaters and components of the enclosed product against any defect in material or workmanship for a period of one year from the date of purchase, with the exception of the elements which are warranted to be free from defect in material and workmanship for ten years. In full satisfaction of any claims under this Warranty the Manufacturer will repair or replace without charge, in its factory or in the field as it alone may decide, any parts which in its opinion are defective. The Manufacturer shall not be responsible for any transportation or shipping costs in relation to such repair or replacement except as specifically assumed by it. Misuse of this product or repairs by persons other than the Manufacturer’s authorized personnel without the Manufacturer’s written approval, will void this Warranty. This Warranty is in lieu of all other warranties or conditions whether express or implied including but not limited to those of merchantability or fitness for purpose and shall constitute the sole remedy of the Purchaser and the sole liability of the Manufacturer in respect of the sale of the product, whether in the nature of breach or breach of fundamental term, or of negligence or otherwise. The Manufacturer shall not be liable for any special, indirect or consequential damages or for any damages resulting from removal or replacement of a heater subject to warranty claim without the Manufacturer’s authorization. This Warranty is transferable by the original consumer purchaser of the product. Any claims under this Warranty must be submitted in writing to the Service Manager, Dimplex North America Ltd., 1367 Industrial Rd., Cambridge, Ontario N1R 7G8, Canada.
Replacement Parts 2-5 kW Units (Small) Fan Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00033001RP Cutout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00009112RP Fan Blade . . . . . . . . . . . . . . . . . . . . . . . . . . . 5300020200RP Motor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2000470100RP Capacitor. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3200070100RP Terminal Block. . . . . . . . . . . . . . . 110UDBA00100000-01RP Housing Cover. . . . . . . . . . . . . . . . . . . . CMH-COVER-S-RP Elements P/N NO. Item # Contactor Transformer P/N NO. (2 Bottom (Top Element) Elements) CMH35A34 2400170900RP DMP-26B-RP DMP-26C-RP N/A 110XECMH35A51 BA00100000- DMP-26F-RP DMP-26G-RP 2100120200RP 01RP CMH35A84 2400170900RP DMP-26J-RP DMP-26K-RP 2100120500RP
7.5 - 10 kW Units (Large) Fan Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00033001RP Cutout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00009112RP Fan Blade . . . . . . . . . . . . . . . . . . . . . . . . . . 5300020200RP Motor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2000470100RP Capacitor. . . . . . . . . . . . . . . . . . . . . . . . . . . 3200070100RP Terminal Block. . . . . . . . . . . . . . . . . . . . . . . 4000170100RP Housing Cover. . . . . . . . . . . . . . . . . . . . CMH-COVER-L-RP Elements P/N NO. Item # Contactor Transformer P/N NO. (2 Bottom (Top Element) Elements) CMH810A21 2400220200RP DMP-24-01RP DMP-24-02-RP CMH08A23 DMP-24-02-RP 2400160300RP N/A CMH10A23 DMP-24-01-RP DMP-24-02-RP CMH810A31 DMP-24-03-RP DMP-24-04-RP CMH810A41 DMP-24-05-RP DMP-24-07-RP 2400220200RP 2100240100RP CMH810A51 DMP-24-08-RP DMP-24-09-RP CMH810A71 DMP-24-10-RP DMP-24-11-RP CMH08A73 DMP-24-10-RP 2400160300RP CMH10A73 DMP-24-10-RP DMP-24-11-RP 2100240200RP CMH810A81 2400220200RP DMP-24-12-RP DMP-24-14-RP CMH08A83 DMP-24-12-RP 2400160300RP CMH10A83 DMP-24-12-RP DMP-24-14-RP
1367 Industrial Road Cambridge ON Canada N1R 7G8 1-888-346-7539 www.dimplex.com In keeping with our policy of continuous product improvement, we reserve the right to make changes without notice. © 2014 Dimplex North America Limited
