Danfoss REP24CO3 User manual

REP24 CO3

GB Installation Instructions

User Instructions

Electronic Proportional Heat / Cool Thermostat

Index

INDEX

Installation Instructions 3-6

User Instructions 8

Please note

This product should only be installed by a suitably qualied

electrician or heating installer. The installation must comply

with local Building Regulations and Wiring Regulations,

including any competent person requirements that may exist.

Installation Instructions

Thermostat features

Temperature Range 10-30°C

Manual Fan Speed Selector Yes

Fan Output 3 (1) A, 10-230Vac, Type 1B

Thermostat Heat, O, Cool

Selector Yes

Power Supply 24 Vac ± 15%, 50/60Hz

Control Method P+I, 2k Proportional Band

Dimensions (mm) 110 wide x 90 high x 40 high

Design Standard EN60730-2-9

Rated Impulse Voltage 2.5Kv

Ball Hardness Test 75°C

Control Pollution Situation Degree 2

Temperature Accuracy ±1°C

Control Output 0-10 Vdc

Common Supply 10 - 230 Vac

Specication

Installation Instructions

Wiring

Product overview

This thermostat is designed for fan coil and chilled beam

applications alongside proportional valves and actuator systems

where a 0-10v proportional control output is required.

The thermostat has a 3 speed fan output selectable via a switch on

the front of the unit.

The operational mode of the fan (auto or continuous is selected

at time of installation via DIL switches accessible on the rear of

the unit.

When the unit is in standby the fans are switched o.

Installation

First remove the wallplate from the back of the unit.

Fix at a height of approximately 1.5m from the oor, away

from draughts or heat sources such a fan-coil outlets,

sunlight or oce equipment.

Connection Diagram

0V 24V Fan 1

COM

0V/

return

3 Speed

Fan

Electronics

Common In

Heating

24 Vac

Fan 2 Fan 3

Cool Heat

Cooling

0-10V outputs

Commissioning

Prior to re-tting the thermostat to the wallplate, the DIL switches

on the rear of the unit must be set to the desired setting.

Installation Instructions

GB DIL Switch options, shown in factory set position.

DIL Switch Descriptions

Switch 1: Fan Con - Fan will run whenever thermostat is in heat-

ing or cooling mode.

Fan Auto - Fan will run whenever temperature is

0.2°C or more above/below (depending on heat/cool

mode) setpoint. When temperature reaches setpoint,

the fan will switch o.

Switch 2: MOT - Motorised valve actuator selection.

WAX - Wax valve actuator selection.

Mounting thermostat to the wallplate

To mount the thermostat to the wallplate, align the tabs on

the top of the thermostat with the apertures in the wallplate

and hinge the thermostat down, pressing rmly to engage

the securing clip in the wallplate.

Fan Con Fan Auto

Sw On

MOT WAX

Locking and limiting

To lock or limit the setting range turn the setting dial to 3 and

remove knob.

 Position the locking springs on the rear of the dial to the

desired position and re-mount the knob ensuring that

number 3 on the dial aligns with the reference mark on the

case.

Installation Instructions

User Instructions

GB User Instructions

Setting the temperature

Turn the setting dial to the required temperature.

Frost Protection

To activate frost protection, turn the dial below 10°C. Frost

protection becomes active at 8°C. If the temperature in the room

drops below 8°C then the output will activate.

When frost protection is activated the right LED will turn orange.

Standby Mode

In cooling mode, the standard frost protection is not available;

instead there is standby mode. When the dial is turned past 10°C

the unit enters standby mode and cooling will be inactive until the

dial is turned up past 10°C.

Heat

Standby

Cool

LED lit green when

thermostat is powered

and fan is in continuous

mode

LED lit orange when fan

is running in auto mode

LED o when setpoint reached

LED red when heating

LED green when cooling

LED orange when frost

protection is activated

Fan speed 3

Fan speed 2

Fan speed 1

Temperature setting dial

User Instructions

Frost protection mode

This manual suits for next models

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