EPH Controls CDC2 Mode d'emploi

Installation and Operation Guide

Cylinder / Room Thermostat

CDC2

Factory Default Settings

Specications

LCD Display

Buttons

Wiring

Mounting & Installation

Mounting of Temperature Sensor

Locking the Keypad / Backlight

Menu Function

On / O Function & Adjusting the Target Temperature

Table of contents

Installation Instructions

Operating Instructions

Delay Start Control (On/O))

P03 HYS Hysteresis HOn and HOFF

Normal Mode (Nor)

Time Proportional Integral Mode (TPI)

P02 Setting High and Low Limits

P01 Operating Mode

P04 Calibrate

P05 Temperature Range Selection

Resetting the Thermostat

Quick introduction to your CDC2 Thermostat

Mains operated non-programmable

Cylinder / Room Thermostat

Installation Instructions

2CDC2

Factory Default Settings

High and Low Temp. limitation: O

Keypad lock: O

Operating mode: Normal

Temperature indicator: ˚C

Frost protection: On (5˚C)

HYS On: 5˚C

HYS OFF: 0˚C

Temperature selection range: CyL (Hot Water Parameters)

Temperature sensor: Connected

Note:

Frost protection is built into this thermostat.

It will only be activated when the thermostat is in OFF position and the temperature reaches 5˚C.

EPH Controls Ltd.

Specications

Contacts: Volt Free

Power supply / Input: 230VAC

Power consumption: 1.5W

Ambient temperature: 0 … 45˚C

Ambient admissible humidity: 5-95%RH

Contact rating: 10(3)A 230VAC

Dimensions: 91 x 91 x 26mm

External Temperature sensor: NTC 10K

Backlight: White

IP rating: IP20

Pollution degree: 2

Automatic action: 1C

Temperature range: Hot Water 5 … 90˚C

Heating 5 … 35˚C

Hysteresis (Switching dierential):

Hot Water 0 … 20°C (0.5°C increments)

Heating 0 … 1°C (0.1°C increments)

4CDC2

[3]

[1]

[11] [10] [9]

[12]

[5]

[4] [6][2]

[7]

[8]

mode cyc p bandset room temp

HYS

calibrate

high low limit off

[1] Displays when setting target temperature.

[2&3] Displays when heating mode is active.

[3] Displays when cylinder mode is active.

[4] Displays current / target temperature.

[5] Displays when changing mode settings.

[6] Displays when changing TPI mode settings.

[7] Displays when the thermostat is calling for heat.

[8] Displays when keypad is locked.

[9] Displays when thermostat is in the OFF mode.

[10] Displays when setting HIGH and LOW temperature limit.

[11] Displays during calibration mode.

[12] Displays when setting hysteresis.

LCD Display

EPH Controls Ltd.

Buttons

OK Button

Down Button Up Button

Reset Button

Standby Button

6CDC2

Wiring

OFF L N

321

COM

Terminal Connections

N Neutral

L Live

1 OFF - N/C Normally closed connection

2 COM- Common connection

3 ON - N/O Normally open connection

EPH Controls Ltd.

Mounting & Installation

Caution!

Installation and connection should only be carried out by a qualied person.

Only qualied electricians or authorised service sta are permitted to open the

thermostat.

If the thermostat is used in a way not specied by the manufacturer, its safety may be

impaired.

Prior to setting the thermostat, it is necessary to complete all required settings

described in this section.

Before commencing installation, the thermostat must be rst disconnected from the

mains.

This thermostat can be mounted in the following ways:

1) Directly mounted on wall

2) To a recessed conduit box

3) To a surface mounting box

8CDC2

1) Remove the thermostat from its packaging.

2) Choose a mounting location so that the thermostat can

measure the temperature as accurately as possible.

- Mount the thermostat 1.5 metres above the oor level.

- Prevent direct exposure to sunlight or other heating /

cooling sources.

3) Use a philips screwdriver to loosen the screw on the bottom of

the thermostat to open the front housing.

4) Wire the thermostat according to the wiring diagram on page 6.

5) Screw the backplate onto a back box or directly to the surface.

6) Ensure the temperature sensor is free from obstruction. Close

the front housing and tighten the screw on the bottom of

the thermostat.

Mounting & Installation Continued

Note:

For side entry of the temperature sensor, please use breakout provided.

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