Chromalox CVEP-C User's Manual
Contents
1. a A iN Feet are Optional Primarily Used to Protect Thermowell During Shipping and Installation CVEP MODELS WITH THERMOSTAT ONLY GROUPS 6 AND D Figure 1C 3 4 Conduit Entrance Foes r 1 Eie Dimensions In me t D Fg ata 8 15 6 Lo ee Detal J EA Z 247 gt 2 1 6 i Ht W ce TIU 238 WW 5 1716 Table 1 Suggested Heater Mounting Screws Types and Sizes Type of Mounting Surface Concrete Block Screw Size to Fit Accessory Mtg Hole Size Hardware Drill Size and Type Screw Type Rd Hd Mach Steel 1 2 Masonry t 1 4 x 20 x Rd Hd Mach Steel or Pan Hd Ackerman t 1 4 x Masonry Lead Anchor Metal Self Tapping 5 16 Masonry Wood Studs Wood or Metal Self Tapping t 1 4 x Plaster wall Hollow or Similar Type Toggle Bolt 7 Twist T 1 4 x Metal Beam Nuts Channel etc Washers If clearance permits use washer lockwasher and nut o sketches be used to determine size of anchors Rd Hd Mach Steel 7 Twist Tt 1 4 x 202. 1 3 8 7 5 CVEP C 18 36 41 34 20 1 16 8 1516 5 8 003 304650 037 2 1 8 3 6 6 150 12 300 0 3 2 2 4 3 0 18 36 43 00 34 20 1 16 8 15 16 46 58 003 304650 042 1or2 1 8 3 6 6 150 12 300 575 3 1 8 3 6 CVEP C 18 36 63 34 20 1 16 8 15 16 46 58 003 304650 043 1or2 7 6 25 930 208 1 36 5 CVEP C 76 81 58 20 1 16 8 15 16 94 003 304650 055 2 7 6 25 930 208 3 21 1 CVEP C 76 83 58 20 1 16 8 15 16 94 003 304650 058 2 7 6 25 930 240 1 31 7 CVEP C 76 21 58 20 1 16 8 15 16 94 003 304650 099 2 7 6 25 930 240 3 18 3 CVEP C 76 23 58 20 1 16 8 15 16 94 003 304650 059 2 7 6 25 930 277 1 27 4 CVEP C 76 71 58 20 1 16 8 15 16 94 003 304650 057 2 7 6 25 930 480 1 15 8 CVEP C 76 41 58 20 1 16 8 15 16 94 003 304650 095 2 7 6 25 930 480 3 9 1 CVEP C 76 43 58 20 1 16 8 15 16 94 003 304650 062 2 7 6 25 930 575 3 7 6 CVEP C 76 63 58 20 1 16 8 15 16 94 003 304650 063 2 4 5 9 0 15 350 30 700 208 1 21 6 43 3 CVEP C 45 90 81 70 20 1 16 8 15 16 87 112 003 304650 065 1or2 4 5 9 0 15 350 30 700 208 3 12 5 25 0 CVEP C 45 90 83 70 20 1 16 8 15 16 87 112 003 304650 069 1or2 4 5 9 0 15 350 30 700 240 1 18 8 37 5 CVEP C 45 90 21 70 20 1 716 8 15 16 87 112 003 304650 100 2 4 5 9 0 15 350 30 700 0 3 10 8 21 7 CVEP C 45 90 23 70 20 1 16 8 15 16 87 112 003 304650 070 1or2 4 5 9 0 15 350 30 700 277 1 16 2 32 5 CVEP C 45 90 71 70 20 1 716 8 15 16 87 112 003 304650 067 1or2 4
3. amp D 50 90 F y y y y TABLE 2 TEMPERATURE SPECIFICATIONS REPLACEMENTS DIMENSIONS Temperature Rating T3A 356 F 180 C Common To Units W amp W O Suffix B ELEMENTS REQUIREMENTS kW BTU Volts Phase Amps Model WidthA Height B DepthC Wt Lbs Element P N Qty 1 6 5 500 208 1 7 7 CVEP C 16 81 34 20 1 16 8 15 16 58 003 304650 002 2 1 6 5 500 208 3 44 CVEP C 16 83 34 20 1 16 8 15 16 58 003 304650 005 2 1 6 5 500 240 1 67 CVEP C 16 21 34 20 1 16 8 15 16 58 003 304650 096 2 1 6 5 500 240 3 3 8 CVEP C 16 23 34 20 1 16 8 15 16 58 003 304650 006 2 1 6 5 500 277 1 5 8 CVEP C 16 71 34 20 1 16 8 15 16 58 003 304650 004 2 1 6 5 500 480 1 3 3 CVEP C 16 41 34 20 1 16 8 15 16 58 003 304650 091 2 1 6 5 500 480 3 1 9 CVEP C 16 43 34 20 1 16 8 15 16 58 003 304650 009 2 1 6 5 500 575 3 1 6 CVEP C 16 63 34 20 1 16 8 15 16 58 003 304650 010 2 3 2 11 000 8 1 15 4 CVEP C 32 81 58 20 1 16 8 15 16 94 003 304650 023 2 3 2 11 000 8 3 89 CVEP C 32 83 58 20 1 16 8 15 16 94 003 304650 026 2 3 2 11 000 240 1 13 3 CVEP C 32 21 58 20 1 16 8 15 16 94 003 304650 097 2 3 2 11 000 240 3 7 7 CVEP C 32 23 58 20 1 16 8 15 16 94 003 304650 027 2 3 2 11 000 277 1 11 6 CVEP C 32 71 58 20 1 16 8 15 16 94 003 304650 025 2 3 2 11 000 480 1 6 7 CVEP C 32 41 58 20 1 16 8 15 16 94 003 304650 093 2 3 2 11 000 480
4. required must have the same explosion proof rating as heater Do not install one unit above the other Units are mounted a minimum of 8 above the floor Heaters are mounted on wall in a horizontal position with termi nal end at right Never recess heater into wall NOTE Article 500 of the National Electric Code NEC out lines requirements for installation of electrical equipment in haz ardous Classified locations All unit electrical installation fittings conduit wiring and seals must meet NEC and local codes for hazardous locations External line fusing or circuit breaker protection is required 10 Failure to understand and follow these installation instructions and the WARNING notes contained therein may result in severe personal injury death or substantial property damage ELECTRIC SHOCK HAZARD Any installation involving electric heaters must be performed by a qualified person and must be effectively grounded in accordance with the National Electrical Code to eliminate shock hazard w INSTALLATION AWARNING ELECTRIC SHOCK HAZARD Disconnect all power before installing or servicing heater Failure to do so could result in personal injury or property damage Heater must be installed by a qualified person in accor dance with the National Electrical Code NFPA 70 1 Remove front panel by removing screws 2 Locate desired heater position on wall 3 Locate mounting holes for rear pa
5. 3 3 8 CVEP C 32 43 58 20 1 16 8 15 16 94 003 304650 030 2 3 2 11 000 575 3 3 2 CVEP C 32 63 58 20 1 16 8 15 16 94 003 304650 031 2 40 13 600 208 1 19 2 CVEP C 40 81 70 20 1 16 8 15 16 112 003 304650 045 2 40 13 600 208 3 11 1 CVEP C 40 83 70 20 1 16 8 15 16 112 003 304650 048 2 40 13 600 240 1 167 CVEP C 40 21 70 20 1 16 8 15 16 112 003 304650 046 2 40 13 600 0 3 9 6 CVEP C 40 23 70 20 1 16 8 15 16 112 003 304650 049 2 40 13600 7 1 144 CVEP C 40 71 70 20 1 16 8 15 16 112 003 304650 047 2 40 13 600 0 1 83 CVEP C 40 41 70 20 1 16 8 15 16 112 003 304650 094 2 40 13 600 480 3 4 8 CVEP C 40 43 70 20 1 16 8 15 16 112 003 304650 052 2 40 13 600 575 3 70 CVEP C 40 63 70 20 1 16 8 15 16 112 003 304650 053 2 Temperature Rating T2A 536 F 280 C kW BIU Volts Phase Amps Model WidthA HeightB DepthC Wt Lbs Element P N Qty 1 8 3 6 6 150 12 300 8 1 8 7 17 3 CVEP C 18 36 81 34 20 1 16 8 15 16 46 58 003 304650 034 1or2 1 8 3 6 6 150 12 300 8 8 5 0 10 0 CVEP C 18 36 83 34 20 1 16 8 15 16 46 58 003 304650 038 1or2 1 8 3 6 6 150 12 300 0 1 7 5 15 0 CVEP C 18 36 21 34 20 1 16 8 15 16 46 58 003 304650 098 1or2 1 8 3 6 6 150 12 300 0 3 49 87 CVEP C 18 36 23 34 20 1 16 8 15 16 46 58 003 304650 039 1or2 1 8 3 6 6 150 12 300 277 1 6 5 13 0 CVEP C 18 36 71 34 20 1 16 8 15 16 46 58 003 304650 036 2 1 8 3 6 6 150 12 300 0
6. 5 9 0 15 350 30 700 480 1 9 4 18 8 CVEP C 45 90 41 70 20 1 16 8 15 16 87 112 003 304650 068 1or2 4 5 9 0 15 350 30 700 0 3 5 4 10 8 CVEP C 45 90 43 70 20 1 16 8 15 16 87 112 83 1or2 4 5 9 0 15 350 30 700 575 3 45 90 CVEP C 45 90 63 70 20 1 16 8 15 16 87 112 4 1or2 Model Any Voltage CVEP C 16 18 36 CVEP C 32 76 CVEP C 40 45 90 Front Cover Assembly 207 304644 101 207 304644 102 207 304644 103 REPLACEMENT PARTS Rear Cover Assembly 207 304644 001 207 304644 002 207 304644 003 Included when unit is equipped with control s 6 VEP C kW Volts Phase Right Side Panel 207 304644 201 207 304644 201 207 304644 201 Control Left Side Panel 304 304644 301 304 304644 301 304 304644 301 Stat Control Combination Transformer Element Support Bracket 027 304646 001 027 304646 001 027 304646 001 Code Thermostat Contactor None 300 049197 003 None 24 Volt 24 Volt 120 Volt 120 Volt 208 240 Volt 277 Volt None 24 Volt None 120 Volt None None None 04 24V 120V 208 240V 277V 072 304551 001 072 304551 007 072 304551 013 072 304551 019 Coil Voltage 30Amp 8009 072 304551 002 072 304551 008 072 304551 014 072 304551 020 Primary Voltage 208 240 480 208 240 480 277 575 277 575 300 113075 003 Secondary Voltag
7. Chromalox Operation d Installation RENEWAL PARTS IDENTIFICATION SERVICE REFERENCE omision 4 secnon CVEP EREN Supersedes PF457 7 PF457 8 161 302639 001 SALE REFERENCE pate JUNE 2010 Type CVEP C Convection Air Heater for Hazardous Locations NOTICE Carefully remove heater from carton and check for shipping damage Any damage claims should be entered immediately with the carrier GENERAL Type CVEP Convection Heaters are designed for use in Class I Div I hazardous environments Units without control options are suitable for areas classified as Groups B C amp D Units with built in controls can be supplied for groups C and D or B C and D Refer to classification stamped on heater nameplate FIRE EXPLOSION HAZARD To prevent ignition of haz ardous atmospheres this heater should not be installed in areas where vapors or gases having an ignition tempera ture less than 280 C 536 F T2A at 1 8kW 3 6kW 4 5kW 7 6kW 9 0kW or 180 C 356 F T3A at 1 6kW 3 2kW 4 0kW are present These heaters must not be operated in ambient tempera tures exceeding 40 C 104 F 1 Connect air heaters to the same line voltage as on heater nameplate 2 Heaters can be mounted individually end to end 3 Heaters can be mounted directly on any type of surface masonry concrete block plastered walls metal framework etc using appropriate hardware 4 All controls such as thermostat and contactor when
8. e Transformer 315 304252 002 315 304252 001 315 304252 004 315 304252 005 315 304252 003 Limited Warranty Please refer to the Chromalox limited warranty applicable to this product at http Avww chromalox com customer service policies termsofsale aspx Chromalox PRECISION HEAT AND CONTROL 2150 N RULON WHITE BLVD OGDEN UT 84404 Phone 1 800 368 2493 www chromalox com 02 074 TA Q4 EF Litho in U S A
9. ement Wiring 1 PH or 3 PH Single or Double lH Element External Supplied Control Voltage Diagram 6 Optional Thermostat Terminal Built In or Ext Supplied Block OPERATION ACAUTION The system designer is responsible for the safety of this equipment and should install adequate back up controls and safety devices with their electric heating equipment Where the conse quences of failure could result in personal injury or property damage back up controls are essential 1 Do not operate heater at voltages in excess of that stamped on the heater since excess voltage will shorten heater life and cause high element temperatures which may exceed allowable temperatures of operation in a hazardous atmosphere MAINTENANCE ELECTRIC SHOCK HAZARD Disconnect all power before installing or servicing heater Failure to do so could result in personal injury or property dam age Heater must be installed by a qualified per son in accordance with the National Electrical Code NFPA 70 1 Before activating for next heating season vacuum or use com pressed air to remove accumulated dust or lint which otherwise may restrict proper air flow 2 Periodically check all electrical connections and retighten to avoid electrical wiring difficulties 3 Check to ensure terminal cover is tightly closed before energiz ing Sealed Heavy duty Finned Element assembly Explosion Proof Junction Box f
10. nel Rear panel must be a mini mum of 8 from the floor 4 Refer to Figure 1A 1B or 1C for mounting hole layout for each cabinet size 2010 Chromalox Inc 5 Drill a pilot hole in wall mounting surface at each mounting hole location Use a convenient small size drill Drill the mounting holes in accordance with size in Table 1 Insert anchors where applicable 7 Fasten rear panel to wall with screws noted in Table 1 8 Replace front panel and screws FIRE HAZARD Never operate heater with front panel off Adequate air flow across heating elements requires the front panel to be in place The heating elements could overheat causing equipment damage or personal injury INSTALLATION CVEP MODELS WITHOUT CONTROLS GROUPS B C AND D Figure 1A F 5 3 4 Conduit Entrance zz H R sH I 8 Dimensions In B p c 0 D See Detail A 8 15 16 a 5 ZE 18 19 86 i rit P 0 28 8 j A 5 1 16 CVEP MODELS WITH BUILT IN CONTROLS GROUPS 8 6 AND D 2 Figure 8 1 Conduit Entrance l 8 7 8 Dimensions In 81516 ae See Detail A
11. or 464hor Element Wiring 1 PH or 3 PH Single or Double m Element Voltage Control Voltage Optional Thermostat Built In or Ext Supplied ome Diagram 5 4 Remove cover of conduit box for connections Use either opening and plug the other with the plug provided 5 In single phase units the heaters must be wired in parallel com bining L1 to L1 L2 to L2 and for 3 phase unit L3 to L3 6 Re assemble cover with a minimum of 7 turns FIRE EXPLOSION HAZARD Group B atmospheres To prevent ignition of Group B atmospheres conduit runs must not exceed 3 4 in size and all conduit runs 1 2 size and larger must have a sealing fitting connected within 2 6 or 18 of the terminal enclo sure depending on the exact model For correct placement refer to data located on the enclosure label Single Phase No Controls Volts gt 277V amp 120 277V When Heater Amps gt 22A External Elements 7 HKH 9 70 lou Optional Thermostat Built In or Ext Supplied Control Voltage Diagram 2 Single or Three Phase With Controls Contactor amp Transformer Contactor Element Wiring 1 PH or 3 PH Single or Double Element Optional Thermostat Transformer Built In or Ext Supplied Diagram 4 Single or Three Phase With Controls Contactor amp External Supplied Control Voltage Contactor El
12. or Field wiring ELEMENT REPLACEMENT ELECTRIC SHOCK HAZARD Disconnect all power before installing or servicing heater Failure to do so could result in personal injury or property dam age 1 Disconnect power from circuit 2 Remove cover from junction box and disconnect element wiring Remove front panel by removing screws Loosen aluminum coupling connecting element to junction box Remove screws and bracket holding element end opposite junc tion box 6 Disconnect aluminum coupling connection element to junction box Remove element from cabinet Install element in reverse sequence 9 et RENEWAL PARTS IDENTIFICATION MANUFACTURER MODEL NUMBER BREAKDOWN located on unit nameplate Model CVEP Explosion Proof Convection Heater Temperature Ratin CVEP C Code kW ID Number F 50 BTU 16 1 6 T3A 356 180 5 500 18 1 8 T2A 536 280 6 150 32 3 2 T3A 356 180 11 000 36 3 6 T2A 536 280 12 300 40 4 0 T3A 356 180 13 600 45 4 5 T2A 536 280 15 350 76 7 6 T2A 536 280 25 930 90 9 0 T2A 536 280 30 700 Lt Voltage Maximum kW Allowable 1 1 8 2 9 0 3 9 0 4 9 0 5 9 0 6 9 0 7 9 0 8 9 0 9 9 0 Phase 10 90 Not available in 120 277V Control Combination Contactor Transformer Coil Secondary None None 24 Volt 24 Volt 24 Volt None 120 Volt 120 Volt 120 Volt None 208 240 Volt None 277 Volt None Code Temperature Control 00 None 40 Thermostat 40 90 F Group B C amp D 42 Thermostat Group C
13. x herwise drill and tap to these lengths add thickness of beam washers nut etc mounting structure permits Except plastered hollow walls explosive type anchors can be used Suggested size noted in Table and or Select overall length of screw to provide a minimum penetration of 1 inch into base wall material Mounting Hole Detail A WIRING ELECTRIC SHOCK HAZARD Any installation involving electric heaters must be performed by a qualified person and must be effectively grounded in accordance with the National Electrical Code to eliminate shock hazard 1 All wiring should be done in accordance with local codes and the National Electrical Code by a qualified person as defined in the NEC CAUTION Use copper conductors only 2 Rough in line wiring to unit in manner approved for hazardous locations See warning below 3 Wire per diagrams 1 through 6 based on the rating and control options listed in table 2 Refer to table 3 for amperage specifications Single Phase No Controls 120 277V amp Heater Amps lt 22A Elements Optional Thermostat Diagram 1 Built In or Ext Supplied Three Phase No Controls External Contactor gom ljo loa kal T PRI fs Control Voltage om Diagram 3 Optional Thermostat Built In or Ext Supplied Single or Three Phase With Controls Contactor amp Line Voltage Control Contact
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