WATTS WFC-03 HCM RF 230 Water Floor Heating and Cooling Module Installation Guide

WATTS WFC-03 HCM RF 230 Water Floor Heating and Cooling Module

General information

Safety warnings and operating instructions

• This product should be installed preferably by a qualified professional. Subject to the 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.

Any attempt to repair voids the responsibility and obligation to guarantee 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.

Application
The controller has been designed for use in residential rooms, office spaces, and industrial facilities. Verify that the installation complies with existing regulations before the operation to ensure proper use of the installation.

Presentation

The WFC-03 HCM RF 230 is specially designed to control heating and cooling in combination with WFC-03 HC controllers. The targeted application is thus 2 pipes multi zones water floor heating and cooling. This device is an option and only one moduleis possible per installation. It should be installed near the heating and cooling sources whereas the WFC-03 6Z HC controllers should be installed near the manifolds.
A device is an option with 3 main value proposals:

• Separate heating and cooling signal.
• Global dehumidifier control.
• Global Heating & cooling mode control.

Functions
It has integrated multiple functions:

• Wall mounted or mounted on DIN Rail.
• Push-in cable connections with strain relief.
• LED status indication and DIP switch for device setting.
• H&C input (230V and volt free signal).
• Humidity input (Volt free contact) or water temperature measurement (Probe not supplied) for humidity detection.
• Dehumidifier output.
• Pump or boiler output (230V and volt free signal).
• Heating output and cooling output.
• Internal RF antenna, optional external antenna.

Box Content

First installation

There are 2 ways to install the controller:

• Wall mounted using 2 screws
• Mounted on a DIN Rail

Product Description

LED color meanings (In Red)

LED

|

Meanings

---|---

Heat and Cool and RF Led (Red/Blue/Green)

| • Fix Red =                               Heating mode

• Fix Blue =                               Cooling mode

• Red/blue blinking =               RF loss (In case of RF loss, the WFC-03 HCM RF 230

switches in Heating mode and triggers the pump)

• Green flashing =                    RF communication

Pump and Humidity and Error Led (Red/Blue/Green)

| • Red blinking =                       NTC error

• Blue blinking =                       Global humidity detection (In that case, the dehumidifier

is triggered)

• Fix Green =                            Pump is triggered

• Green/Blue blinking =           Global humidity detection and pump activation

• Green/red blinking =             Pump is triggered and NTC error

• Red/Blue/Green blinking = Global humidity detection and pump activation

and NTC error

Push button (In Green)

• 10s press triggers the pairing process.
• 20s press triggers the device reset.

DIP switch configuration (In Orange)

DIP switch number| Function| Value (default: OFF)| Configuration| Description
---|---|---|---|---

DIP1

|

Humidity activation

| OFF| Disable|

See 4.4 and 4.5

ON| Enable

DIP2

| H&C switch| OFF| 2 seconds|

See 4.2

ON| 5 minutes

DIP3

| H&C output mode| OFF| Demand|

See 4.6

ON| Mode

DIP4

|

Humidity input

| OFF| Free contact input|

See 4.4

ON| NTC sensor

Inputs / Outputs

Power Supply

Heating/cooling Input

Purpose:
This input allows switching the regulation mode for the system: Heating or cooling. Source of the signal:

• A mechanical switch
• The Heat Pump
• A BT-WR02 paired on the BT-CT02 central unit as an ON/OFF device. This solution allows getting a remote control of the H&C mode from the application.

Format of the signal:
The input could be free contact or live contact 230V.

The H&C mode is then propagated over the system. Only one device is the system should be able to select the H&C mode (Master H&C device). Other possible H&C switch signal   sources:

• BT-CT02 RF Central unit.
• H&C input on WFC-03 HC RF controllers.
• Digital thermostat configured as a Master H&C thermostat in manual or automatic mode.
• The DIP switch on the WFC-03 HC RF controllers allows to select the device in charge of the H&C mode (Master H&C device).
• The time before H&C switch is defined by the DIP2 (See 3.3):
• DIP2 = OFF. 2 seconds.
• DIP2 = ON. 5 minutes.

Pump Output

• There are 2 outputs:
• Live contact output (230Vac).
• Free contact output.
• These outputs can be used to trigger:
• A zone valve.
• A pump.
• A boiler or heat pump.

The 2 outputs are triggered when there is a heating or cooling demand, which is sent by the WFC-03 HC RF controller to the
WFC-03 HCM RF 230.
The pump signal is always global, i.e. the pump is triggered when there is a heating or cooling demand within the system.
If an RF failure occurs, the pump is triggered all the time.

Humidity detection input

• When DIP1 = ON (See 3.3) the product manages a humidity detection input, with 2 possible types of signal depending on DIP4 (See 3.3):
• Water temperature sensor (NTC 10kΩ): Require BT-D03 RF RH thermostat.
• A humidity contact sensor.

Humidity contact sensor

• Format of the signal:
• The input is a free contact

• When humidity is detected by the sensor, the information is sent to the WFC-03 HC RF controller which manages the information.
• Moreover, the dehumidifier output is triggered.

Humidity contact sensor
The water temperature measurement is sent to all WFC-03 HC RF controllers to compute the dew point for humidity control in cooling mode (Please refer to the leaflet of WFC-03 HC RF).

Dehumidifier output

• When DIP1 = ON (See 3.3), the dehumidifier output (Free contact) is triggered in 2 cases:
• When the Humidity input is triggered (See 4.4).
• When the WFC-03 HC RF controller orders the dehumidifier.

Heating and cooling outputs

• The behavior of the outputs (Free contact) is dependent of the DIP3 (See 3.3):
• DIP3 = OFF. The heating/cooling output is activated when there is a heating or cooling demand in the installation.
• DIP3 = ON. The Heating or cooling output is triggered constantly following the mode of the
• installation (heating or cooling).
• In case of RF failure, the heating output is triggered all the time.

External antenna

• The distance between 2 devices with internal antennae should be at least 50cm.
• The controller embeds an internal antenna. If required, an external antenna can be connected to
• improve RF communication. It could be useful if the WFC-03 HCM RF 230 is installed inside a metallic box. In that case, you need to install the external antenna outside the metallic box.
• Please respect the mounting to optimize sensitivity and avoid any dysfunction.
• The antenna must be installed:
• Outside the metallic box.
• In vertical position.
• And at least at 50cm of metallic parts.

System configuration

The WFC-03 HCM RF 230 should be always paired to a WFC-03 HC RF controller, even if you are using a BT-CT02 RF. There is always only one WFC-03 HCM RF 230 per installation.

Put the device in RF pairing mode (10s).

|

By pressing for 5 seconds, the controller goes into the RF pairing menu.

By using  and selecting zone 3

(Red led), Press to enter in Pairing with a slave device mode.

All LEDs are blinking green.

| When a link is completed, WFC-03 HC RF returns to the RF pairing menu, and WFC-03 HCM RF 230 returns to normal mode.

Troubleshooting

Red/blue blinking on Heat and Cool and RF Led.

| ****

RF Issue.

| ****

The WFC-03 HCM RF 230 has lost connection with the WFC-03 HC RF controller.

| Check the distance between devices. If the device is installed within a metallic box, use an external antenna located outside the metallic box.

An external antenna is also useful for a long distance between devices.

The usage of an external antenna on the WFC-03 HC RF and WFC-03 HCM RF 230 improves RF communication.

Usage of a repeater paired with the WFC-03 HC RF may be required.

Red blinking on Pump / Humidity Led.

| ****

NTC error.

| ****

If DIP4 = ON, a water temperature sensor should be connected to the Humidity input.

| ****

Check the DIP4 setting and NTC.

Technical characteristics

Compatibility

| • WFC-03 6Z HC RF 24

• WFC-03 6Z HC RF 230

• WFC-03 10Z HC RF 230

• WFC-03 10Z HC RF 230

Dimensions & weight

• Weight: 0,820 kg

Directives

Low Voltage Directive (LVD)

| The Low Voltage Directive (LVD) (2014/35/EU) ensures that electrical equipment within certain voltage limits provides a high level of protection for European citizens, and benefits fully from the Single Market.| ****

2014/35/UE

Electromagnetic Compatibility (EMC) Directive 2014/30/EU

| ****

The Electromagnetic Compatibility (EMC) Directive 2014/30/EU ensures that electrical and electronic equipment does not generate, or is not affected by, electromagnetic disturbance.

| ****

2014/30/UE

Restriction of the use of certain hazardous Substances Directive (RoHS) 2011/65/EU| ****

Directive on the restriction of the use of certain hazardous substances in electrical and electronic equipment.

| ****

2011/65/EU

Waste Electrical & Electronic Equipment Directive (WEEE)| The WEEE Directive (2012/19/EU) aims to reduce the amount of waste electrical and electronic equipment that ends up in landfill.| 2012/1

9/EU

Ecodesign Commission Regulation| Ecodesign requirements for local space heaters.| 2015/1188
Radio Equipment Directive (RED) 2014/53/EU| The Radio Equipment Directive 2014/53/EU (RED) establishes a regulatory framework for placing radio equipment on the market.| ****

2014/53/EU

The descriptions and photographs contained in this product specification sheet are supplied by way of information only and are not binding. Watts Industries reserves the right to carry out any technical and design improvements to its products without prior notice. Warranty: All sales and contracts for sale are expressly conditioned on the buyer’s assent to Watts terms and conditions found on its website at www.wattswater.eu Watts hereby objects to any term, different from or additional to Watts terms, contained in any buyer communication in any form, unless agreed to in a writing signed by an officer of Watts.

Watts Electronics S.A.S.

• B.P. N°10 – Z.A. des Tourettes • 43800 ROSIERES • France
• Tél. +33 (0)4 71 57 40 49 • Fax. +33 (0)4 71 57 40 90
• Sales-rosieres@wattswater.com • www.wattswater.fr.
• Watts contacts in Europe: https://wattswater.eu/watts/contacts/.

References

• WATTS INDUSTRIES FRANCE
• HOME
• WATTS EUROPE
• WATTS INDUSTRIES FRANCE
• WATTS Companies in Europe

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