Accessories - Daikin FWP CT Technical Manual

11 ACCESSORIES

FWEC3A- wall-mounted microprocessor control
having the following main features:
• Room air temperature reading and adjustment
• Room humidity reading and adjustment
• Water temperature reading (water probe as an optional)
• Manual and automatic adjustment of fan speed
• Manual and automatic switching of heating and cooling mode depending on the water temperature within the heat exchanger or on the room temperature, with
a neutral zone that can be selected in the range from 2° to 5°C.
• Clock and hourly timer-programmed operation
• 2 Analogue outputs for controlling modulating devices -10V
• 2 Digital outputs for controlling (On/Off) external devices (novoltage contacts)
• Serial port for Bus connection
The controller is equipped with a large display (3") to show and set all the functions of the unit. Using the installation kit available, FWEC3A can be mounted on
the unit.
FWECS - wall-mounted microprocessor split controller with display
FWECS controller is a system composed of:
• Circuit board comprising the power circuit, the microprocessor system and the removable screw connectors for the connection of the inlet and outlet devices;
• User interface comprising a graphic display and a keyboard (six keys) provided with clock and sensor to read the ambient temperature.
Main functions:
• Room air temperature reading and adjustment
• Room humidity reading and adjustment
• Water temperature reading (water sensor as an optional)
• Manual/automatic regulation of the fan speed with ON -OFF step and modulating control
• Automatic adjustment of valve opening with ON/OFF and modulating controller
• Manual and automatic switching of heating and cooling mode depending on the water temperature within the heat exchanger or on the room temperature,
with a selectable neutral zone
• Clock and hourly timer-programmed operation
• 3 Analogue outputs for controlling modulating devices -10V
• Economy function and minimum temperature
• 1 Digital outputs for controlling (On/Off) external devices (novoltage contacts)
• Serial port for RS485 connection
• Serial port for OC connection
• 3 digital inputs for ON-OFF, Economy, Operating mode remote setting
Operating mode
The controller is provided with a programmable display that allows you to view and set the hydronic unit functions by means of the specific interface with parameter
description.
FWTSKA - water temperature sensor for microprocessor controls model FWECS, FWEC3A
Directly connected to the microprocessor controllers FWECS and FWEC3A to measure the water temperature through the heat exchanger.
If the temperature registered is lower than 17 °C the unit works in cooling mode and the temperature range of the control panel will be referred to the cooling mode
(19/31 °C); if the temperature registered is higher than 37 °C the unit works in heating mode and the temperature range of the control panel will be referred to the
heating mode (14/26 °C). If the temperature registered is between 17 °C e 37 °C the control panel will disable the unit operation.
FWHSKA - Humidity sensor for FWECS, FWEC3A microprocessor controller
Directly connected to the microprocessor controllers FWECS and FWEC3A, it enables the control of the heating element ventilation (if present, as support in heating
mode) and the automatic cooling/heating changeover according to the water temperature.
3 way motor driven valve with Hydraulic kit ON-OFF
It controls the room temperature by stopping the water flow through the heat exchanger. The kit, available for all models with standard heat exchanger or additional
heat exchanger, comprises the following components: Valve body: 3-way with incorporated by-pass (4 connections), 230V single-phase electro-thermal normally
closed ON/OFF servo control, it acts directly on the valve shutter. Hydraulic plumbing kit made with copper piping and brass connectors.
3-way motor-driven modulating valve complete with hydraulic kit
It controls the room temperature by stopping the water flow through the heat exchanger. The kit, available for all models with standard heat exchanger or additional
heat exchanger, comprises the following components: Valve body: 3-way with incorporated by-pass (4 connections), 24V electro-thermal normally closed modu-
lating servo control. It acts directly on the valve shutter. Hydraulic plumbing kit made with copper piping and brass connectors.
2-way motor-driven ON/OFF valve complete with hydraulic kit
It controls the room temperature by stopping the water flow through the heat exchanger. With 230V electro-thermal actuator. Available for all models, with
standard heat exchanger or additional heat exchanger.
2-way motor-driven modulating valve complete with hydraulic kit
It controls the room temperature by stopping the water flow through the heat exchanger. With 24 V electro-thermal actuator. Available for all models, with standard
heat exchanger or additional heat exchanger.
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uT66002766-02
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