General Information; Safety Warnings And Operating Instructions; Application; Presentation - Watts WFC-03 6Z HC 24 Installation Manual

1. General information

1.1 Safety warnings and operating instructions

This product should be installed preferably by a qualified professional. Subject to observation of the above terms, the manufacturer
shall assume the liability for the equipment as provided by legal stipulations.
All instructions in this Installation & Operation manual should be observed when working with the controller. Failures due to improper
installation, improper use or poor maintenance are voiding manufacturer liability.
This device may be used by children aged at least 8 years and by people with reduced physical, sensory or mental capabilities or
lack of experience or knowledge, if they are properly supervised or if instructions relating to the safe use of the device have been
given to them and if the risks involved have been understood.
Children should not play with the device. Cleaning and user maintenance must not be carried out by children without supervision.
Any attempt to repair voids the responsibility and the obligation to guarantee and replacement from the manufacturer. 2012/19/EU
(WEEE directive): Products marked with this symbol cannot be disposed of as unsorted municipal waste in the European Union.
For proper recycling, return this product to your local supplier upon the purchase of equivalent new equipment, or dispose of it at
designated collection points. For more information see: www.recyclethis.info

1.2 Application

The installation must be protected by a two-pole circuit breaker adapted to the power of the connected equipments. The controller
has been designed for use in residential rooms, office spaces and industrial facilities. Verify that the installation complies with existing
regulations before operation to ensure proper use of the installation.

2. Presentation

The Connecting box WFC HC is especially designed to control your Under Floor Heating and Cooling system. It allows easy and
quick connection of thermostats and actuators.
4 versions are available:
230V version
6 zones WFC-03 6Z HC 230
8 zones WFC-03 8Z HC 230

2.1 Functions

It has integrated multiple functions:
• Wall mounted or mounter on DIN Rail
• Push-in cable connections with strain relief
• LED status indication and DIP switch for device setting
• Easy merging of the zones on the same thermostat
• Link between 2 connecting boxes (to share H&C mode,
clock signal and pump signals)

2.2 Box content

2.3 First installation

There are 2 ways to install the controller:
• Wall mounted using 2 screws
• Mounted on a DIN Rail
We recommend to use twin shielded 4 wires cable (e.g. Style 2717 22AWG 80° FT4) between the controller and each thermostat.
24V version
WFC-03 6Z HC 24
(Require external 230V/24V transformer: TRF03 230/24)
WFC-03 8Z HC 24
(Require external 230V/24V transformer: TRF03 230/24)
• H&C input (230V and volt free signal) and Clock input (230V)
• Separate heating and cooling Volt free outputs
• Pump or boiler output (230V and volt free signal)
• Heating and cooling output (Volt Free signal)
• Anti-Grip management
• Overheating security
• Humidity detection input, dehumidifier switching
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