Related Manuals for Cairox CVA M Series
Summary of Contents for Cairox CVA M Series
- Page 1 USER INSTRUCTIONS ELECTRICAL CIRCULAR DUCT HEATERS CVA M CVA MPE CVA MPX CVA MPI CVA MQIA CVA MQI User Instruction CAIROX rev1 – 28/01/2022 p. 1...
- Page 2 Do not dispose of the unit as unsorted municipal waste; it should be taken to a specialized company for recycling. Respect the local environmental rules. If in doubt, contact your local waste disposal authorities. User Instruction CAIROX rev1 – 28/01/2022 p. 2...
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Page 3: Table Of Contents
Description of operating CVA MPX … (PTC…PS)* Description of operating CVA MPI … 2NTC* Description of operating CVA MPE … 2NTC* Description of operating CVA MPI … PTC/2NTC* Description of operating CVA MPE … PTC/2NTC* Service Troubleshooting Warranty User Instruction CAIROX rev1 – 28/01/2022 p. 3... -
Page 4: Description
Electrical duct heaters CVA with integrated temperature controller EKR-K… works by PID regulator. That enable fine temperature control. Controller EKR-K… controls load by Triacs without moving parts, which causes no-noise commutation. Fig. 1 View may vary depending on type EKR-K. User Instruction CAIROX rev1 – 28/01/2022 p. 4... -
Page 5: Installation And Electrical Connection
The heater must be earthed. Fig. 3. Mounting example CVA MPI/NI… *- TR5K is used in CVA MPE heater version. **- Temperature set point knob is used in CVA MPI heater version. Fig. 3 User Instruction CAIROX rev1 – 28/01/2022 p. 5... - Page 6 Fig. 6. Mounting example CVA MPI/NI… (Preheater) **- TR5K used only in CVA MPE pre-heater version. *- Temperature set point knob used only in CVA MPI pre-heater version. Fig. 6 AHU – Air handling uni User Instruction CAIROX rev1 – 28/01/2022 p. 6...
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Page 7: Dimensions
Type 2 – CVA heater with external pressure relay dimensions; Type 3 – CVA heater with external cooling radiator dimensions; Type 4 – CVA heater with external cooling radiator and pressure relay diemensions. User Instruction CAIROX rev1 – 28/01/2022 p. 7... -
Page 8: Technical Data
1~230 0,3...7,2 0,3/0,6/1,0/1,2 2~400 1,0...9,0 1,0/1,5 CVA 250 3~400 3,0...9,0 1,0/1,5 CVA 250-12kW 3~400 12,0 1,0/1,5 CVA 250-15kW 3~400 15,0 1,0/1,5 1~230 0,6...9,0 0,6/1,0/1,2 2~400 1,0...9,0 1,0/1,5 CVA 315 3~400 3,0...9,0 1,0/1,5 User Instruction CAIROX rev1 – 28/01/2022 p. 8... - Page 9 LST EN 61000-6-3:2007 + A1:2011 (EN 61000-6-3:2007 + A1:2011); LST EN 61000-3-3:2014 (EN 61000-3-3:2013). and therefore complies with the essential requirements and provisions of the (LVD) 2014/35/EC, (EMC) 2014/30 EC, (RoHS) 2011/65/EU and REACH. The CE mark is affixed. User Instruction CAIROX rev1 – 28/01/2022 p. 9...
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Page 10: Model Marking
– Sensor for minimum air velocity detection and contactor for overheating protection 2NTC – 2 sensors for the air temperature measuring PTC/2NTC – Sensor for min. air velocity detection and 2 sensors for the air temperature measuring User Instruction CAIROX rev1 – 28/01/2022 p. 10... -
Page 11: Overheating Protection
If LED 6 lights continuously it means that there is a failure of: supply (TJ-K10K) air temperature sensor or wired remote control panel TR5K. IMPORTANT: If failure appears, power supply must be switched off and only then performed fault elimination works. User Instruction CAIROX rev1 – 28/01/2022 p. 11... -
Page 12: Description Of Operating Cva Mpx
"-" or "+" pipe, respectively. IMPORTANT: If failure appears, power supply must be switched off and only then performed fault elimination works. * - non standard option. For more information please contact us : www.cairox.com User Instruction CAIROX rev1 –... -
Page 13: Description Of Operating Cva Mpx
IMPORTANT: If failure appears, power supply must be switched off and only then performed fault elimination works. * - non standard option. For more information please contact us : www.cairox.com DESCRIPTION OF OPERATING CVA MPI … 2NTC* Electrical duct heaters CVA MPI … 2NTC are designed with integrated temperature control, two temperature sensors, potentiometer on the top of the heater casing for temperature setpoint. -
Page 14: Description Of Operating Cva Mpi
IMPORTANT: If failure appears, power supply must be switched off and only then performed fault elimination works. * - non standart option. Fore more information please contact us : www.cairox.com DESCRIPTION OF OPERATING CVA MPI … PTC/2NTC* Electrical duct heaters CVA MPI … PTC/2NTC are designed with integrated temperature control, PTC (air velocity) and two temperature sensors, potentiometer on the top of the heater casing for temperature setpoint. -
Page 15: Service
IMPORTANT: If failure appears, power supply must be switched off and only then performed fault elimination works. * - non standart option. Fore more information please contact us : www.cairox.com SERVICE No special service is required for electrical heaters, only to check electrical connection not less than 1 time per year.