Watts Industries 22CX Series User Manual

ON/OFF electrothermic actuators
Series 22CX
Main features
- 22Cx series available in the following versions :
• NA (Normally open)
• NC (Normally closed)
- 2-wire (Standard)
- 4-wire (With auxiliary contact)
- New compact design.
- Transparent window on the cover to check
status of actuator (On/off)
- Compliant to the following directives:
• 2006/95/EC (LVD)
• 2004/108/EC (EMC)

Watts Industries 22CX Series Specifications

General

Brand	Watts Industries
Model	22CX Series
Category	Controller
Language	English

Summary

Main Features of 22CX Actuators

Available Versions and Wiring

Details the NA/NC versions and 2-wire/4-wire configurations for the 22CX series actuators.

Design and Compliance

Highlights the new compact design, transparent window for status, and compliance with LVD and EMC directives.

Product Description and Operation

Description of 22CX Actuators

Details the 22CX series as ON/OFF devices for automatic valve actuation, listing compatible valves and types.

Application of 22CX Actuators

Explains the use of 22CX actuators in heating and air conditioning for remote ON/OFF control via thermostat.

Operation of 22CX Actuators

Describes the wax thermostatic element operation, PTC thermistor activation, and the function of the auxiliary contact.

Installation and Technical Specifications

Installation Guidelines

Provides advice on installing 22CX actuators, including by-pass valves for systems with 2-way control valves.

Technical Features

Lists detailed technical specifications such as power supply, frequency, consumption, stroke, and protection class.

Mounting and Wiring

Mounting Instructions

Step-by-step guide for mounting the actuator onto the valve body, emphasizing correct tightening and avoiding tools.

Electrical Wire Connections

Illustrates wiring diagrams for both 2-wire and 4-wire 22CX actuator configurations.

Overall Dimensions

Provides dimensional drawings and measurements for the 22CX actuator.