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Temperature controller fan coil, 2-/4-pipe

Temperature controller fan coil, 2-pipe

Art. No. : TRDA523028..

Temperature controller fan coil, 2-pipe

Art. No. : TRDLS923028..

Temperature controller fan coil, 4-pipe

Art. No. : TRDA523048..

Temperature controller fan coil, 4-pipe

Art. No. : TRDLS923048..

Operating instructions

1 Safety instructions

Electrical devices may only be mounted and connected by electrically skilled
persons.

Serious injuries, fire or property damage possible. Please read and follow manual fully.

These instructions are an integral part of the product, and must remain with the end
customer.

2 Function

Intended use

-

Switching and operating electrical fan coil units with electrothermically actuated
heating/cooling valves

-

Measurement and feedback control of the room temperature

-

Installation in appliance box according to DIN 49073

Product characteristics

-

Connection of one fan coil unit with up to 3 fan stages

-

Operating modes for heating, cooling or combined heating/cooling operation

-

Variants for 2-pipe or 4-pipe operation

-

8 capacitive sensor buttons

-

Internal temperature sensor

-

Room temperature controller function

-

Preselection of the current energy level through the option of 5 temperature profiles for use
in hotels or similar sites

-

Display for indication of temperature (°C or °F), fan level, operating mode/profile

-

Menu levels blockable

-

1 status LED (red/green/blue)

-

Brightness and contrast adjustable

-

Switch-off time of the display illumination up to 120 seconds

-

Extension input to the connection of, e.g. hotel card switch (see accessories)

3 Operation

Setpoints for room temperature and fan stage – Profiles

The selection of the current setpoints for room temperature and fan stage is based on so-called
profiles that are specified by the user on site. The following situations are covered, e.g.:

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32598503
j0082598503

09.11.2017

Summary of Contents for TRDA523028 Series

Page 1: ...o DIN 49073 Product characteristics Connection of one fan coil unit with up to 3 fan stages Operating modes for heating cooling or combined heating cooling operation Variants for 2 pipe or 4 pipe oper...

Page 2: ...controller switches to the Comfort profile Eco profile It is night the controller controls the connected fan coil units and puts them into an energy saving and silent operation Standby profile Current...

Page 3: ...and display icons The device compares the current room temperature with the setpoint temperature and controls heating or cooling devices according to the current demand The setpoint temperature depen...

Page 4: ...fan stage press sensor button Set automatic fan stage press sensor button Switchover to Eco profile press sensor button Switchover to Standby profile press sensor button i The profiles Eco and Standby...

Page 5: ...ntroller Resetting to factory setting Setting Display Range step width Setpoint temperature Comfort heating COMFORT HEATING 7 45 C 0 5 K 45 110 F 1 F Setpoint temperature Comfort cooling COMFORT COOLI...

Page 6: ...EOUT 15 120 s 1 s Status LED button press indicator STATUS LED Activate the function ON Deactivate the function OFF Status LED operation indicator OPERATION LED Activate the function ON Deactivate the...

Page 7: ...ction figure 5 Connecting o Fan coil unit for 4 pipe operation at 4 pipe power supply unit variant figure 5 Connecting o Install the power supply unit 8 in the right orientation in an appliance box No...

Page 8: ...Figure 4 Connection of a 2 pipe fan coil unit with hotel card switch 8 11 32598503 j0082598503 09 11 2017 Temperature controller fan coil 2 4 pipe...

Page 9: ...Figure 5 Connection of a 4 pipe fan coil unit with hotel card switch 9 11 32598503 j0082598503 09 11 2017 Temperature controller fan coil 2 4 pipe...

Page 10: ...of input 1 for the hotel card switch OFF not connected OPEN for NO contact CLOSE for NC contact o Set the fan coil unit type 2 Pipes for 2 pipe system 4 Pipes for 4 pipe system i The variants TRD 230...

Page 11: ...erence between both values T T1 T2 and note it down o Open menu level 2 o Open the menu page TEMPERATURE OFFSET o Set the difference value on the device 5 Appendix 5 1 Technical data Rated voltage AC...

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