Cadet CEH-003P User's Manual
Contents
1. SAFETY amp QUALITY The CEH Industrial Unit Heater OWNER S GUIDE LISTED Appropriate Fasteners Straight Screwdriver Crescent Wrench Strain Relief Connector Phillips Screwdriver Wire Strippers NWARNING Turn the electrical power off at the electrical panel board circuit breaker or fuse box and lock or tag the panel board door to prevent someone from turning on power while you are working on the heater Failure to do so could result in serious electrical shock burns or possible death 1 Read all instructions before using this heater 2 Read all information labels Verify that the electrical supply wires are the same voltage as the heater 3 All electrical work and materials must comply with the National Electric Code NEC the Occupational Safety and Health Act OSHA and all state and local codes 4 f you need to install a new circuit or need additional wiring information consult a qualified electrician 5 Protect electrical supply from kinks sharp objects oil grease hot surfaces or chemicals 6 Do not install heater below an electrical convenience receptacle Features amp Benefits Commercial grade high temperature manual reset High mass tubular element for longer life Fan delay eliminates cold draft on startup and disperses residual heat on shutdown Rugged die formed construction for durability Wire single or three phase to suit the application Vertical or horizonta2. GROUND Control circuit wiring must be NEC Class 1 600 Volt Copper Conductor and 90 C Insulation JUNCTION BLOCK TRANSFORMER For use with CU or AL conductors WIRING DIAGRAM 4 NOTE DENOTES OPTIONAL EQUIPMENT 3 3 amp 5 KW 277V 1 Phase w Low Voltage Control BASIC MODELS l a 12 L3 CEH 003 R CEH 005 R Ed DENOTES OPTIONAL EQUIPMENT Wiring Diagrams MANUAL RESET LIMIT THERMOSTAT OH1 on F20 TERMINAL BOARD Control circuit wiring must be NEC Class 1 600 Volt Copper Conductor and 90 C Insulation TRANSFORMER WIRING DIAGRAM 5 ALL 480V MODELS NOTE ELEMENT 3 AT BACK OF HEATER 2 ELEMENT QL ELEMENT GAUGE AWG COND COND 12 68 52 7e 60 se ea 80 na 12 10 4 n 0 o o JUNCTION BLOCK For use with CU or AL conductors SUPPLY MAX AMPS WIRE Use 75 C field supply wire ge 10 11 12 13 14 in He 402023 402045 402024 402046 402025 402049 402026 402027 402028 402048 402029 402030 001601 051408 051409 051414 050323 050326 050327 052403 052501 052502 052402 052401 052601 052603 09670 09660 410102 053304 050520 09610 09615 late or label found insi ELEMENT CEH 003 M ELEMENT CEH 003MB ELEMENT CEH 003 P ELEMENT CEH 003 PB ELEMENT CEH 003 R ELEMENT CEH 003RB ELEMENT CEH 00
3. models elements models elements om wire Junction block Junction block for field wiring for field wiring Figure 10 BACK Figure 12 BACK NOTE Supply wires must feed direct from breaker to junction block Thermostat wires connectto terminal board See wiring diagrams for your specific model Control Voltage Wiring 1 A knockout is also provided in the back of the unit for control wiring This knockout is sized for 1 2 conduit see Figure 13 2 Thermostat wire shall be as follows a Line voltage control models Use NEC Class 1 600V 90 C AWG 10 wire with copper conductor or same gauge wire as supply line b 24 volt control models B package Use NEC Class 1 600V 90 C AWG 18 wire with copper conductor Use H1 P1 terminals for connection Do not use jumpers 3 Install wall thermostats in accordance with the installation instructions supplied with the thermostat NOTE Do not locate thermostat in an area exposed to unusual temperature conditions or poor air circulation NOTE a Line voltage control models of 3 3KW and 5 0KW ratings that are 208 and 240 volt wired for 3 phase operation should not be used with a wall thermostat This applies to the following models CEH 003 M CEH 003 P CEH 005 M CEH 005 P These models come factory wired for single phase When these models are converted in the field to 3 phase DO NOT USE A WALL MOUNTED THERMOSTAT Thermostat control for 3 phase hookup should be provided by a CEK TB2 built
4. 3 SB ELEMENT CEH 005 M ELEMENT CEH 005 P ELEMENT CEH 005 PB ELEMENT CEH 005 R ELEMENT CEH 005 SB FAN BLADE CEH 003 amp CEH 005 FAN MOTOR CEH 003 M P amp CEH 005 M P FAN MOTOR CEH 003 R amp CEH 005 R FAN MOTOR CEH 003 S amp CEH 005 S LIMIT CEH 003 CEH 005 208 amp 240 VOLT WITH LINE VOLTAGE CONTROL LIMIT CEH 005M P LIMIT CEH 003 PB MB R amp SB CEH 005 PB MB R amp SB TERMINAL BOARD CONTACTOR ALL UNITS WITH AN S SUFFIX CONTACTOR MB PB OPTIONAL 24 VOLT CONTROL JUNCTION BLOCK CEH 003 CEH 005 TERMINAL BLOCK TRANSFORMER 240 208 VOLT TRANSFORMER 480 VOLT CEK WM WALL MOUNTING ARM KIT OPTIONAL CEK M1 3 3 5 5 KW HAT BRACKET OPTIONAL AIR DIFFUSER 3 3 5 0 KW FAN DELAY RELAY 24 VOLT FAN DELAY RELAY 240 VOLT CEK TB1 SINGLE POLE INTEGRAL THERMOSTAT OPTIONAL CEK TB2 TWO STAGE INTEGRAL THERMOSTAT OPTIONAL out incurring obligation LIN AA fl ERES E TTT TTT NSSSSSSSSSSSSNNANSNNS IMPORTANT When Maus replacement parts specify the heater Model Number and Product Date Code shown on unit rat 2 e access door Select appropriate Part No from this sheet for each part requested Consult your local ributor or call Cadet at 360 693 2505 Specifications or designs are subject to change or discontinuance without notice or with Troubleshooting Chart CONSULT LOCAL ELECTRICAL CODES TO DETERMINE WHAT WORK MUST BE PERFOR
5. MED BY QUALIFIED ELECTRICAL SERVICE PERSONNEL Problem 1 Voltage not correct for application 2 In line thermostat used Heater does not operate Heater is or has been blocked Thermostat set too low Circuit breaker is off Defective manual reset Solution 1 Check voltage with voltmeter and or consult an electrician 2 Thermostat wires to terminal board supply wires to junction block see wiring diagram Remove obstruction Push manual reset in front Turn knob past sound of click Turn circuit breaker on Replace manual reset Element heats fan does not operate Defective time delay switch Bad motor or wire connection Fan hitting or rubbing Replace the delay switch Replace motor and or check wire connection Adjust blade as needed Manual reset limit tripped Defective heater elements Wire loose from elements Fan operates but does not dis charge warm air Allow heater to cool then push reset button Check with ohmmeter and replace if needed Check and correct loose wire S O S pO So en ode co Heater does not shut off Heat loss from area is greater than heater capacity Defective thermostat m ale rw Alon alo om e w Close doors or windows See Operation amp Maintenance section for instructions 2 Replace thermostat Dust dirt and lint accumulated inside the heater Jammed fan blades Heater discharges smoke Clean heater S
6. ar LIMITED FIVE YEAR WARRANTY Cadet Manufacturing Co will repair or replace any Cadet Unit Heater CEH element or motor found to be defective or malfunctioning from first date of purchase through the fifth year THESE WARRANTIES DO NOT APPLY 1 To conditions resulting from improper installation or incorrect supply voltage 2 To conditions resulting from improper maintenance misuse abuse accident or alteration 3 To service calls or any warranty labor not performed at the Cadet Manufacturing facility 4 If the date of manufacture cannot be determined 5 To freight damaged products CADET SHALL NOT BE LIABLE FOR DAMAGES SUCH AS PROPERTY DAMAGE AND OR INCIDENTAL EXPENSES RESULTING FROM BREACH OF THESE WRITTEN WARRANTIES OR ANY IMPLIED WARRANTY These warranties give you specific legal rights and you may also have other rights which vary from state to state Cadet neither assumes nor authorizes anyone to assume for it any other obligation or liability in connection with these electric heaters or any part of such heaters If the product should become defective during the warranty period contact Cadet Manufacturing Co at 360 693 2505 for instructions on how to have the repair or replacement processed Products returned without authorization will be refused Parts and Service Contact Cadet for information on parts or service 2006 Cadet Manufacturing Co Printed in U S A Rev 11 06 720019
7. ater and secure in place using lock jam nuts Figure 7 2 Attach the four mounting rods to ceiling or over head structure and anchor securely NOTE When mounting for vertical discharge position unit so that access door opens away from nearest wall This permits maximum access to wiring compartment Figures 2 amp 6 5 16 18 Threaded Mounting Holes MOUNTING ROD DIMENSIONS UNIT KW ROD THREAD E F G H 3 3 5 0 5 16 18 6 15 2 CM 9 63 24 5 CM 4 04 10 3 CM 2 10 5 3 CM Figure 7 Vertical discharge rod spacing Operation and Maintenance How to operate your heater Turn your built in or wall thermostat to the desired setting The heater will run for approximately twenty seconds before the fan comes on The heater will then run until the thermostat setting is reached Fan will continue to run with elements shut off for approximately seventy seconds and then will shut off This cycle will continue as need ed based on thermostat setting Do not use break er panel or fuse box to control heater Be sure power to heater is constant all the time Maintenance 1 Shut off circuit breaker to heater 2 Remove front diffuser grill or 3 of the center louvers in front of fan area 3 Using a compressor blow air through the outer cabinet louvers and finned element areas Do not touch sharp surfaces on elements While holding fan blade to avoid damage or bending carefully blow inside the fan motor area 4 Ca
8. e of threaded rods Do not mount the heater where volatile liquids or gases will be present or where it will be exposed to rain or mist All combustible materials should be kept at least 3 feet away from front of the heater In an area where the air temperature will be main tained at less than 68 F the heater should be mount ed in a postion that will not blow directly on people working in the area A minimum clearance for each heater both hori zontal and vertical mount is listed in Figure 2 Please follow these recommendations to avoid potential problems with the function and safety of the heater Mounting the CEH Unit Heater CAUTION THE CEILING OR WALL MOUNTING STRUCTURE AND ANCHORING PROVISIONS MUST BE OF SUFFICIENT STRENGTH TO SUPPORT THE COMBINED WEIGHT OF THE HEATER AND MOUNTING BRACKETS Horizontal Discharge See Figure 2 for minimum clearances 1 Mounting with rod from ceiling or super structure Figure 3 a Remove the four factory installed bolts from the top of the unit and screw them into the threaded holes in the back b Install four 5 16 18 threaded rods in holes and secure in place using lock jam nuts Figure 3 c Attach the four mounting rods to the ceiling or overhead structure and anchor securely 2 Mounting with optional bolt on ceiling brackets Figure 2 a Bolt mounting bracket on top of unit using the four factory installed bolts b Suspend the unit from ceiling or overhead s
9. e with CU or AL conductors Conductor and 90 C Insulation NOTE DENOTES OPTIONAL EQUIPMENT I I I WIRING DIAGRAM 1 ME IST REPRESENTS 3 PHASE WIRING CONNECTIONS 3 3 amp 5 KW 208 240V 1 3 Phase w Line Voltage Control I I I Factory wired for single phase operation BASIC MODELS CEH 003 M CEH 003 P CEH 005 M CEH 005 P Wiring Diagrams NOTE ELEMENT 3 AT BACK OF HEATER CONTACTOR MANUAL RESET LIMIT THERMOSTAT nm Hi Om F20 p n M TERMINAL BOARD X F10 Control circuit wiring must be NEC Class 1 600 Volt Copper Conductor and 90 C Insulation JUNCTION BLOCK For use with CU or AL conductors TRANSFORMER WIRING DIAGRAM 2 NOTE DENOTES OPTIONAL EQUIPMENT 3 3 amp 5 KW 208 240V 1 3 Phase w Low Voltage Control A REPRESENTS 3 PHASE WIRING CONNECTIONS Factory wired for single phase operation BASIC MODELS CEH 003 M CEH 003 P CEH 005 M CEH 005 P Control circuit wiring must be NEC Class 1 600 Volt Copper Conductor and 90 C Insulation JUNCTION BLOCK For use with CU or AL conductors LERA WIRING DIAGRAM 3 NOTE DENOTES OPTIONAL EQUIPMENT 3 3 amp 5 KW 277V i i 1 Phase w Line Voltage Control i i l BASIC MODELS 3 CEH 003 R CEH 005 R n NEN NOTE ELEMENT 3 AT BACK OF HEATER MANUAL RESET CONTACTOR LIMIT THERMOSTAT 1777 7 OH2 F20 i y gt TERMINAL BOARD vb r Use 75 C field supply wire
10. ee Operation amp Maintenance section for instruction Remove obstruction Fan blades do not turn Manual reset limit tripped Jammed fan blades Defective motor Overheating Overheating at shutdown Overheating from excessive dust dirt or lint particles Overheating due to location eleva tion 5 Power interruptions Manual reset limit trips repeatedly o m SoM ro A Remove obstruction Once heater has cooled push reset button Remove obstruction Replace fan motor Check all clearance requirements Discontinue use of breaker to control heater or replace time delay switch Clean heater See Operation and Maintenance section for instructions Location elevation exceeds recommended 7500 feet Power to heater needs to be constant Warranty Information Maintenance For safer operation and to prolong the life of the heater it is necessary to follow the maintenance instructions included with each heater Failure to properly maintain the heater will result in the warranty being voided All warranties offered to original consumer only Warranty instructions included with each heater All Cadet Products LIMITED ONE YEAR WARRANTY LIMITED ONE YEAR WARRANTY Cadet Mar Co will repair or replace any Cadet product including ther mostats found to be defective or malfunctioning from first date of purchase through the Extended Product Warranties Model CEH irst ye
11. ible death N WARNING Risk of Fire Heaters must be kept clean of lint dirt and debris Failure to follow warnings may cause heater to eject sparks ignite materials or cause electrical shock Installation Instructions PLACEMENT Install the CEH unit heater vertically or horizontally Brackets are also available for ceiling mount or wall mount applications THERMOSTAT A line voltage OR low voltage thermostat is required for operation A Cadet wall thermostat is recommended for ultimate control and comfort Horizontal Delivery Heaters should be located so thatthe air streams of the individual units wipe the exposed walls of the building without blowing directly against the wall Recommended spacing between the units is 12 feet Locate heaters so their air streams are not subjected to interference from columns partitions machinery etc See Figure 1 DL D Sip OPTIONAL Ww E MOUNTING BRACKET AQ Figure 2 Horizontal mounting clearances with optional bracket CEK M1 MAXIMUM MOUNTING HEIGHT TO BOTTOM OF UNIT HORIZONTAL VERTICAL DISCHARGE MODEL DISCHARGE CEH 003 9 CEH 005 9 10 General Safety Information The ceiling or wall on which the heater is to be mounted must be of adequate strength to support the heater Plaster or suspended ceilings will not sup port this type of heater For greater stability we recommend the us
12. in thermostat b When using model number CEH 005 M wired single phase factory wired use the following thermostats Wall Mount C611 25 Built In CEK TB2 two stage thermostat 4 Connectthe thermostat wires to terminals H1 and P1 as shown in Figure 13 On 208 and 240 volt single phase models with line voltage control Not B package models install jumpers as shown in Figure 13 Figure 14 o o Manual reset limit A manual reset thermal limit is Line Voltage factory installed on all models Control Models The limit is located on the front of Singe Phase the heater The manual reset limit Install jumpers will not reset until the button is ied iaa H2 pushed and heater has cooled ae eae down 208 240V line voltage con Manual Reset Limit 208 240V units Connect Thermostat note dashed lines di Wires To P and Hi Control Terminal Board limits o trol heaters use two manual reset Figure 13 Thermostat wiring connections Wiring Diagrams NOTE ELEMENT 3 AT BACK OF HEATER MANUAL RESET LIMITS TWO STAGE THERMOSTAT t Use H1 and P1 as primary mm and H2 P2 as secondary Use 75 C field supply wire for proper heater operation Two stage is required for three phase operation NOTE Single pole thermostat may be used if H1 and H2 are connected with a jumper and P1 and P2 are connected with a jumper M JUNCTION BLOCK Control circuit wiring must be i NEC Class 1 600 Volt Copper For us
13. l delivery 5 Year Warranty Models CEH 003RB CEH 005P CEH 003M CEH 003R CEH 005PB CEH 003MB CEH 003SB CEH 005R CEH 003P CEH 005M CEH 005SB CEH 003PB CEH 005MB e Recommended for elevations under 7500 feet 7 NWARNING Overheating or fire may occur DO NOT place the heater behind doors 8 N WARNING Fire or explosion may occur DO NOT place heater in any area where combustible vapors gases liquids or excessive lint or dust are present 9 N WARNING A Burn Hazard This heater is hot when in use To avoid burns do not let bare skin touch hot surfaces Use extreme caution when any heater is used by or near children or invalids 10 WARNING A Risk of Electrical Shock Connect grounding lead to ground ing terminal provided Keep all foreign objects out of heater 11 4 WARNING Risk of Fire Do not block heater Heater must be kept clear of all obstructions maintain a 3 feet minimum clearance in front 12 inches on each side and 6 inches from the rear Heater must be kept clean of lint dirt and debris See Maintenance Instructions SAVE THESE INSTRUCTIONS TEL 360 693 2505 Fax 360 694 8668 P O Box 1675 Vancouver WA 98668 1675 READ ALL INSTRUC TIONS AND SAFETY INFORMATION WARNING A When working with electricity turn the electrical power off at the electrical panel board and lock or tag the circuit breaker door Failure to do so could result in serious electrical shock burns or poss
14. ower supply disconnect the b Disconnect the red wire from the junction block and connect it transformer lead from the terminal marked 240V and connect it to the to the terminal in the center of the block terminal marked 208V 277 volt units may only be used on single phase 2 Models with 24 Volt Control see Figures 11 amp 12 circuits 480 volt units may only be used on three phase circuits 8 Disconnectthe orange wire from the junction block terminal and connect it to the orange wire on the contactor 3 Phase Connections terminal and Single or 3 phase power connections may be used on all 208 and b Disconnectthe red wire from the junction block and 240 208 volt 3 3 5 KW models These units come factory wired for connect it to the terminal in the center of the block single phase power but may be wired for 3 phase power by recon necting two wires This is done as follows 1 Models with Line Voltage Control See Figures 9 amp 10 Terminal Terminal block block Factory wired for Orange Factory wired for r Orange single phase wire single phase wire A wire power line Heater power 24 volt Am voltage control elements control models elements models a E E Red wire Junction block Junction block for field wiring for field wiring Figure 9 BACK Figure 11 BACK Terminal Terminal 0C oc Factory wired for Orange Factory wired for Orange 3 phase power wire 3 phase power wire line voltage Heater 24 volt control Heater control
15. r AN a 20 A P 1 TS 6 5 eS M o ER 1 i ty isl E PLIN LIP Le z Su 7 K M M P ND UM a ES t oh tE e E C U Jos E M V e AN ii Figure 4 Figure 5 Figure amp Ceiling mount Vertical mounting clearances General Safety Information The ceiling or wall on which the heater is to be mounted must be of adequate strength to support the heater Plaster or suspended ceilings will not support this type of heater For greater stability we recommend the use of threaded rods Do not mount the heater where volatile liquids or gases will be present or where it will be exposed to rain or mist All combustible materials should be kept at least 3 feet away from front of the heater In an area where the air temperature will be main tained at less than 68 F the heater should be mount ed in a position that will not blow directly on people working in the area A minimum clearance for each heater both hori zontal and vertical mount is listed in Figure 6 Please follow these recommendations when mounting to avoid potential problems with the func tion and safety of the heater Mounting the CEH Unit Heater CAUTION THE CEILING OR WALL MOUNTING STRUCTURE AND ANCHORING PROVISIONS MUST BE OF SUFFICIENT STRENGTH TO SUPPORT THE COMBINED WEIGHT OF THE HEATER AND MOUNTING BRACKETS Vertical Discharge See Figure 6 for minimum clearances 1 Install four 5 16 18 threaded rods into the threaded holes in the back of the he
16. refully wipe off the fan blade without damaging or bending it 5 Reinstall front diffuser or air vanes 6 Restore power to heater N WARNING A Risk of Electrical Shock Turn off all power at the electri cal panel board sup plying power to the heater before doing any electrical wiring NWARNING Overheating or fire may occur DO NOT place the heater behind doors CAUTION TO AVOID ELECTRICAL SHOCK BE SURE ELECTRICITY IS TURNED OFF AT ELECTRICAL PANEL BOARD BEFORE WIRING ALL WIRING MUST BE DONE IN ACCORDANCE WITH LOCAL CODES AND THE HEATER MUST BE GROUNDED AS A PRECAUTION AGAINST POSSIBLE ELECTRIC SHOCK IN ABSENCE OF LOCAL CODES FIELD WIRING TO THE UNIT SHALL COMPLY WITH CURRENT PROVI SIONS OF THE AMERICAN NATIONAL ELECTRICAL CODE OR YOUR NATIONAL ELECTRICAL CODE AS APPLICABLE NOTE Connect heater only to a line with the voltage and frequency specified on the nameplate Branch Circuit Connections Power 1 Wiring compartment access door is hinged To open turn single screw on the side 1 4 turn see Figure 8 Do nottry to remove screw 2 A knockout is provided in the back of the unit for field wiring See Figure 8 This is a multiple diameter knockout Use the diameter that fits the required conduit size Hinge 3 A ground terminal is provided near the junction block for field wiring The ground should be connected before any other connections 4 The junction block is equipped with box terminals sized to accept
17. the correct power supply wire Wire rated at 600 volts and 75 C is satisfactory for branch circuit connections Either copper or aluminum conductors may be used NOTE the center box terminal on the three pole junction block is used only for 3 phase operation 5 Each heater has a wiring diagram on the inside of the access door Consult this Figure 8 diagram before making any field connections Knockout locations CAUTION READ THESE INSTRUCTIONS CAREFULLY WHEN USING ALUMINUM WIRING 1 Carefully strip insulation from aluminum conductors and coat ends of conductors with suitable corrosion inhibitor Pentrox A or equivalent 2 Wire brush aluminum surface removing corrosion re coat with corrosion inhibitor 3 Connect aluminum wiring and tighten connection securely CAUTION Do not exceed pressure needed for making a typical copper connection 4 Coat entire connection with inhibitor 5 All connections using aluminum conductors should be periodically re checked for tightness 6 NOTE DO NOT JOIN ALUMINUM CONDUCTORS DIRECTLY TO COPPER Power Control Wiring Wiring Knockout Knockout Access Door 23 1 4 Turn Captive Fastener DUAL RATED 240 208 VOLT MODELS All 240 volt models may be a Disconnect the orange wire from the junction block terminal operated at 208 volts with a corresponding reduction in output When and connectit to the orange wire on the small terminal block and the heater is connected to a 208 volt p
18. tructure using a 1 2 inch threaded rod or bolt allowing a minimum 6 inches clearance from the ceiling Using lock jam nut anchor securely 3 Mounting with optional wall hanger arm and mounting bracket See Parts List items 10 amp 11 a Bolt mounting bracket on top of unit using four factory installed bolts b Attach the wall hanger arm to wall using four 3 8 inch bolts or masonry fasteners c Suspend the unit from hanger arm using 1 2 inch bolt Place the rubber washer provided between the mounting brackets 5 16 18 Threaded Mounting MOUNTING ROD DIMENSIONS UNIT KW ROD THREAD A B Cj D 3 3 5 0 5 16 18 6 15 2CM 6 75 4 04 0 75 Figure 3 Horizontal discharge rod spacing Installation Instructions Vertical Delivery In buildings with high ceilings or bays vertical delivery unit heaters are recommended to produce comfort in central areas They are best used when the perimeter heat loss is adequately controlled In combination with horizontally discharged units they aid in providing good air mixture See Figure 4 Vertical discharging units are mounted high above machinery assembly lines etc In an application where only vertical discharging units will be used the air streams must overlap to blanket outside walls and provide good heat distri bution See Figure 5 E X I E p O f Lan Jou h Se z QU eem reos ue
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