Cairox CVA MPI Series User Instruction

Cairox CVA MPI Series User Instruction

Electrical circular duct heaters

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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
15

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Summarization of Contents

General Information and Safety
Safety Requirements
Critical safety guidelines for operating the electrical duct heaters.
Transporting and Storing
Proper procedures for moving and storing the heater to prevent damage.
Receiving and Handling
Instructions for inspecting the heater upon arrival and initial handling.
Additional Information
Details on service, quality, and environmentally responsible disposal.
Product Description
Description
Overview of the electrical duct heaters, their purpose, and construction materials.
Installation and Electrical Connection
Installation and Electrical Connection
Guidance on how to install the heaters and connect them to the electrical supply.
Dimensions
Dimensions
Physical dimensions and type variations of the CVA heaters.
Technical Data
Technical Data
Key technical specifications including power, voltage, and airflow for different models.
Model Marking
Model Marking
Explanation of how to interpret the model designation and its components.
Operating Features
Overheating Protection
Explanation of the dual overheating protection thermostats and their function.
Heaters CVA with Integrated Controller
Technical characteristics of the EKR-K controller used in CVA heaters.
Description of Operating CVA MPI
Details on the operation of CVA MPI models with integrated potentiometer.
Description of Operating CVA MPE
Details on the operation of CVA MPE models with wired remote setpoint knob.
Additional Operating Modes
Description of Operating CVA MPX
Operation of CVA MPX models with analog signal control.
Description of Operating CVA MPI ... (PTC...PS)
Operation of CVA MPI models with PTC and PS sensors.
Description of Operating CVA MPE ... (PTC...PS)*
Operation of CVA MPE models with PTC and PS sensors (non-standard).
Further Operating Modes
Description of Operating CVA MPX ... (PTC...PS) *
Operation of CVA MPX models with PTC/PS sensors (non-standard).
Description of Operating CVA MPI ... 2NTC*
Operation of CVA MPI models with two temperature sensors.
Description of Operating CVA MPE ... 2NTC*
Operation of CVA MPE models with two temperature sensors.
Service and Support
Service
Information regarding periodic maintenance checks for the heaters.
Troubleshooting
Common issues and their solutions for heater operation problems.
Warranty
Details on the manufacturer's warranty terms and conditions.

Table of Contents