Chromalox CXH-C-03S, Installation And Operation Instructions Manual

Page 1: ...1 PF490 CE AM 161 302421 006 March 2016 Installation and Operation Instructions CXH CE AM Forced Air Heater CXH Series Heaters for Hazardous Locations 0359 II 2 G EEx d IIB T3 ITS02ATEX1048 8 ...

Page 2: ...H C 10M 10 380 400 415V 3ph 50Hz 47 14 3 34 120 1450 2464 68 150 635 25 708 27 7 8 533 4 21 111 9 4 13 32 447 7 17 5 8 CXH C 15M 15 380 400 415V 3ph 50Hz 208 240 480 575V 3ph 60Hz 47 14 3 51 180 1450 2464 68 150 635 25 708 27 7 8 533 4 21 111 9 4 13 32 447 7 17 5 8 CXH C 20M 20 380 400 415V 3ph 50Hz 480 575V 3ph 60Hz 43 13 1 68 240 1450 2464 75 165 635 25 708 27 7 8 533 4 21 111 9 4 13 32 447 7 17...

Page 3: ...ature cutout 8 All unused threaded openings not used for supply wiring must be fitted with threaded plugs approved for use in hazardous locations 9 All unit electrical installation fittings conduit wiring and seals must meet applicable electric codes and local codes for hazardous locations 10 External line fusing or circuit breaker protection is re quired 11 Hi limit cutouts must never be bypassed...

Page 4: ...nternal heat sources and away from heater discharge air streams Small rooms can be heated by one unit heater Where two walls are exposed the heater should be mounted as shown in Figure 2 Large rooms require multi unit installations Num ber and capacity of units will be determined by volume of building and square feet of floor area to be heated Arrange units to provide perimeter air circulation whe...

Page 5: ... to discharge freely Do not mount mercury type thermostat directly on unit vibra tion could cause malfunction Heater may be mounted on a shelf or stand from the bot tom e sure that mounting clearances are maintained and that bottom of unit has at least 1 clearance underneath it This is necessary for good air circulation and servicing of heat exchanger All mounting methods must allow for removal of...

Page 6: ...2 Pole Base 3 8 ø Hardware Required for Mounting Cust Supplied 6 Ref 3 1 2 SCH 40 Pipe or 4 O D X 25 Wall Tube Cust Supplied Length to Suit P Adapter Bracket Supplied with 5 8 Bolts Single Point Swivel 4 ø Supplied Pole Support Bracket Heater Mounting Bracket Arm Hardware ø 3 8 Hardware Cust Supplied ø 1 2 x 4 U Bolts Hardware Cust Supplied Ceiling Mount Kit Model HMK 00 4 7 8 4 9 16 Swivel Ceilin...

Page 7: ...ed conduit openings must be fitted with plugs that are U L recognized for use in hazardous locations 6 Heaters may be provided with a built in control switch and or thermostat If not they should be controlled by an externally mounted disconnect switch and or separately mounted thermostat as shown in the appropriate wiring diagram on page 6 In case of malfunction the personnel in the area should be...

Page 8: ...rature cutout is also designed to shut down the unit completely if the fluid level is low or other heater malfunction occurs High Temperature cutout s must never be bypassed in the control circuit If the limit actuates shut down unit and investigate cause of abnormal operation Do not reenergize until the problem has been corrected Users should install adequate back up controls and safety devices w...

Page 9: ...e Pole on the Thermostat Remove this Wire when Using Thermostat T3 T2 T1 Optional Alarm Optional Elements Manual Reset High Limit Auto Reset High Limit Motor 1PH R Motor Contactor L2 L1 Red Fan Heat White Diagram II 1 PH Wiring with Fan Switch Transformer Color Code Tabulation PRI VOLT PRI XFMR LEAD CLRS 120V SEC LEAD CLRS 24V SEC LEAD CLRS H1 H2 X1 X2 X1 X2 208 BLK RED BLK WHT YEL BLU 240 BLK ORG...

Page 10: ...losed Terminals of One Pole on the Thermostat Remove this Wire when Using Thermostat T3 T2 T1 Optional Alarm Optional Elements Manual Reset High Limit Auto Reset High Limit Motor 3PH Terminal Block Diagram III 3 PH Wiring Transformer Color Code Tabulation PRI VOLT PRI XFMR LEAD CLRS 120V SEC LEAD CLRS 24V SEC LEAD CLRS H1 H2 X1 X2 X1 X2 208 BLK RED BLK WHT YEL BLU 240 BLK ORG BLK WHT YEL BLU 380 B...

Page 11: ...U 380 BLK VIO BLK WHT YEL BLU 415 BLK YEL BLK WHT 415 BLK BRN YEL BLU 480 BLK BLK RED BLK WHT YEL BLU 575 600 BLK GRY BLK WHT YEL BLU Electric Blower Unit Heater for Hazardous Locations Heating Element Rating 03 3 0 kW 18 18 0 kW 05 5 0 kW 20 20 0 kW 07 7 5 kW 25 25 0 kW 10 10 0 kW 30 30 0 kW 15 15 0 kW 35 35 0 kW Heater Voltage 2 240V 6 575V 3 380V 8 208V 4 480V 9 600V 5 415V Phase 1 1 Phase 3 3 ...

Page 12: ...tory supplied replacement blade only 6 Check for any sign of leaking from the heat exchanger Too little fluid will cause the high temperature cutout s to trip or cycle Periodically inspect the heater for leaks by visual examination using a flashlight Look for evidence of fluid dunning down the face of the heat exchanger from the top center Look for evidence of fluid inside the lower terminal enclo...

Page 13: ...tive it must be replaced with an origi nal factory supplied motor See renewal parts section 2 To replace the motor proceed as follows A Disconnect the unit from power supply B Remove the motor terminal box cover C Note wire connections for future reference and dis connect all wires from the motor terminals D Remove 4 bolts in the motor base holding it to the rear cabinet shelf E Remove 4 screws ho...

Page 14: ...ers or ser vicing heater Failure to comply could result in per sonal injury or property damage When provided the following components are located in the cast aluminum hazardous location enclosure Remove cover and retaining bolts to gain access the following items See Figure 15 1 CONTROL TRANSFORMER This item is located in the electrical enclosure It may be replaced while in the enclosure To servic...

Page 15: ...makool PG Transformer Contactor Figure 15 Electrical Control Voltage 24 V 120 V 230 V Contactor 072 304551 002 072 304551 008 072 52560 011 Aux Contactor 072 304551 103 072 304551 103 Transformer 208 240 480 PRI 315 304252 002 315 304252 001 Transformer 380 415 PRI 315 304252 006 315 304252 007 Transformer 575 PRI 315 304252 005 315 304252 003 Transformer 690 PRI 315 304252 012 ...

Page 16: ...16 1 33 35 50 19 15 17 16 31 34 52 51 32 25 30 26 44 27 28 29 75 50 27 15 6 62 10 CO 8 12 9 49 15 Figure 16 ...

Page 17: ... CXH C 03S 81 353 305234 001 CXH C 03S 83 353 305234 001 CXH C 03S 21 353 305234 002 CXH C 03S 23 353 305234 002 CXH C 03S 33 353 305234 003 CXH C 03S 403 353 305234 004 CXH C 03S 53 353 305234 005 CXH C 03S 43 353 305234 008 CXH C 03S 63 353 305234 009 CXH C 05S 81 353 305234 011 CXH C 05S 83 353 305234 011 CXH C 05S 21 353 305234 012 CXH C 05S 23 353 305234 012 CXH C 05S 33 353 305234 013 CXH C ...

Page 18: ...e Chromalox limited warranty applicable to this product at http www chromalox com customer service policies termsofsale aspx 2016 Chromalox Inc All rights reserved Chromalox 103 Gamma Drive Pittsburgh PA 15238 412 967 3800 www chromalox com ...