Danfoss REP24CO User manual

REP24 CO

GB Installation Instructions

User Instructions

Electronic Proportional Heat / Cool Thermostat

with Manual Heat/Cool Selection

Index

INDEX

Installation Instructions 3-5

User Instructions 6

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

Thermostat Heat, Standby, 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

Specication

Product overview

This thermostat is designed for fan coil and chilled beam

applications alongside proportional valve and actuator systems

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

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 as fan-coil outlets,

sunlight or oce equipment.

Installation Instructions

Wiring

Connection Diagram

COM

0V/

return

Electronics

Heating

24 Vac

Cool Heat

Cooling

0-10V outputs

0V 24V

Installation Instructions

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

DIL Switch options, shown in factory set position.

DIL Switch Descriptions

Switch 1: Not used on this model

Switch 2: MOT - Motorised valve actuator selection.

WAX - Wax valve actuator selection.

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.

Locking & 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.

User Instructions

Heat Mode

Standby Mode

Cool Mode

LED lit green when

thermostat is powered

LED o when setpoint reached

LED red when heating

LED green when cooling

LED orange when frost

protection activated

Temperature setting dial

Frost protection mode

8Part No 25284v01 07/08

www.danfoss.com/BusinessAreas/Heating

(2004/108/EC)

(2006/95/EC)

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