Cairox CVA 100 User Instruction Download Page 8

 
 

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  User Instruction 

CAIROX 

     rev1 

 28/01/2022     

 

 

Heater type 

A(mm) 

B(mm) 

C(mm) 

D(mm) 

CVA 100 

370 

276 

71 

100 

CVA 125 

370 

276 

71 

125 

CVA 150 

370 

276 

71 

150 

CVA 160 

370 

276 

71 

160 

CVA 200 

370 

276 

71 

200 

CVA 250 

370 

276 

71 

250 

CVA 250-12kW 

500 

402 

71 

250 

CVA 250-15kW 

630 

532 

71 

250 

CVA 315 

373 

276 

71 

315 

CVA 315-12kW 

500 

402 

71 

315 

CVA 315-15kW 

630 

532 

71 

315 

CVA 315-18kW 

630 

532 

71 

315 

CVA 355 

373 

276 

71 

355 

CVA 355-12kW 

500 

402 

71 

355 

CVA 355-15kW 

630 

532 

71 

355 

CVA 355-18kW 

630 

532 

71 

355 

CVA 400 

373 

276 

81 

400 

CVA 400-12kW 

500 

402 

81 

400 

CVA 400-15kW 

630 

532 

81 

400 

CVA 400-18kW 

630 

532 

81 

400 

CVA 400-21kW 

770 

672 

81 

400 

CVA 400-24kW 

880 

782 

81 

400 

CVA 450 

373 

276 

81 

450 

CVA 500 

373 

276 

81 

500 

CVA 500-12kW 

500 

402 

81 

500 

CVA 500-15kW 

630 

532 

81 

500 

CVA 500-18kW 

630 

532 

81 

500 

CVA 500-21kW 

770 

672 

81 

500 

CVA 500-24kW 

880 

782 

81 

500 

   TECHNICAL DATA 

 

 

 

CVA 

ø(mm) 

Min. airflow

 

(m³/h) 

Power supply 

(VAC/50Hz) 

Power 

(kW) 

Available 

heatng 

elements  (kW) 

CVA 100 

100 

45 

1~230 

0,3...1,8 

0,3 

CVA 125 

125 

70 

1~230 

0,3...3,6 

0,3/0,6 

CVA 150 

150 

100 

1~230 

1,2...3,0 

0,6/1,0 

 

CVA 160 

 

160 

 

110 

1~230 

0,3...7,2 

0,3/0,6/1,0/1,2 

2~400 

1,0...6,0 

1,0 

3~400 

3,0...6,0 

1,0 

 

CVA 200 

 

200 

 

170 

1~230 

0,3...7,2 

0,3/0,6/1,0/1,2 

2~400 

1,0...6,0 

1,0 

3~400 

3,0...9,0 

1,0/1,5 

 

CVA 250 

 

250 

 

265 

1~230 

0,3...7,2 

0,3/0,6/1,0/1,2 

2~400 

1,0...9,0 

1,0/1,5 

3~400 

3,0...9,0 

1,0/1,5 

CVA 250-12kW 

250 

265 

3~400 

12,0 

1,0/1,5 

CVA 250-15kW 

250 

265 

3~400 

15,0 

1,0/1,5 

 

CVA 315 

 

315 

 

425 

1~230 

0,6...9,0 

0,6/1,0/1,2 

2~400 

1,0...9,0 

1,0/1,5 

3~400 

3,0...9,0 

1,0/1,5 

Summary of Contents for CVA 100

Page 1: ...p 1 15 User Instruction CAIROX rev1 28 01 2022 www cairox com USER INSTRUCTIONS ELECTRICAL CIRCULAR DUCT HEATERS CVA M CVA MPE CVA MPX CVA MPI CVA MQIA CVA MQI...

Page 2: ...r to prevent product damage and employees injuries Do not lift product by power supplycable connectionbox Avoidimpactsandimpactloads Until final installation store products in dry place with humidity...

Page 3: ...ion of operating CVA MPI 11 Description of operating CVA MPE 11 Description of operating CVA MPX 12 Description of operating CVA MPI PTC PS 12 Description of operating CVA MPE PTC PS 12 Description of...

Page 4: ...Heaters intended only for inside installation If heater is installed in such way that can be accidental contact with heating elements protective grill must be installed The air velocity in the duct o...

Page 5: ...PORTANT The installation to the mains power supply may only be wired by a competent electrician The power supply cable must be selected in the ratio with power of the heater When installing these heat...

Page 6: ...FF ON 6 24VDC isusedinCVAESKMtypeheater Fig 4 Fig 5 MountingexampleCVA MPI NI 2NTC TemperaturesetpointknobandTRNTC10areusedinCVA MPI2NTCheaterversion TR5KNTC10isusedinCVA MPE2NTCheaterversion Fig 5 Fi...

Page 7: ...rol signal ON OFF ON 6 24VDC from AHU if possible is used in CVA ESKM type pre heater DIMENSIONS Fig 8 Type 1 Type 2 Type 3 Type 4 Type 1 Standard CVA heater dimensions Type 2 CVA heater with external...

Page 8: ...kW 880 782 81 400 CVA 450 373 276 81 450 CVA 500 373 276 81 500 CVA 500 12kW 500 402 81 500 CVA 500 15kW 630 532 81 500 CVA 500 18kW 630 532 81 500 CVA 500 21kW 770 672 81 500 CVA 500 24kW 880 782 81...

Page 9: ...1 0 1 2 2 400 1 0 9 0 1 0 1 5 3 400 3 0 9 0 1 0 1 5 CVA 500 12kW 500 1060 1 230 9 1 0 2 400 12 1 0 1 5 3 400 12 1 0 1 5 CVA 500 15kW 500 1060 1 230 12 1 0 2 400 15 1 0 1 5 3 400 15 1 0 1 5 CVA 500 18k...

Page 10: ...t ESKM External wired remote PWM ON OFF ON 6 24 VDC signal for temperature control 1B Duct diameter mm 100 100 mm 160 160 mm 355 355 mm 450 450 mm 125 125 mm 200 200 mm 400 400 mm 500 500 mm 150 150 m...

Page 11: ...wer supply is switched on LED 6 on the controller EKR K PCB see Fig 1 on page 4 ashes once every 8 seconds if setpoint is 0 C and every second if setpoint is higher than 0 C If controller turns on the...

Page 12: ...rockwool10cm R 2 4m K W Depending on the mounting position of the heater in the duct relative to the motor pre or post motor the pressurehosemustbeplacedonthe or pipe respectively DESCRIPTION OF OPERA...

Page 13: ...controller turns on the heating depending on the demand LED 5lights seeFig 1onpage4 HeatersCVA MPE 2NTCcanoperateintwomodes 1 Control by the supply air temperature sensor TJ K10K when the first 1 swi...

Page 14: ...rammedtheminimum 15 C andthemaximum 40 C temperatures ofsupplyair Theroom airtemperaturesensorismountedinthewiredpanelTRNTC10 Depending on the operating mode there can be set the di erent desired setp...

Page 15: ...or resistance it must be 10k at 25 C 2 Air ow sensor fault Check sensor resistance It must be 22 between X15 X16 and 10 between X15 X18 Sensor must be clear 3 When the heater power supply is switched...

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