Daikin EKWUFHTA1V3 Manual

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Side 1/2

EKWUFHTA1V3

These instructions must be read completely and thoroughly before commencing

any work with the base. These instructions must be kept and are to be handed

over to future users.

The following symbols show

The base serves

• the arrangement of a room-by-room temperature control system with a

maximum of 10 zones for heating and cooling systems,

• the connection of a maximum of 18 actuators and 10 room control units,

• the connection of actuators with the direction of control action NC (normally

closed) or NO (normally open), depending on the thermostat used,

• the connection of an external timer,

• depending on the type used, the connection of a pump or a boiler, a CO

signal generator, a temperature limiter or dew point sensor,

• a xed installation.

Every other use, modication and conversion is expressly forbidden and leads to

dangers the manufacturer cannot be held liable for.

The electrical installation must be performed according to the current national

regulations as well as according to the regulations of your local electric power

utility company. These instructions presume specialist knowledge corresponding

to an o󰀩cially recognised degree in one of the following professions:

• Systems Mechanic for sanitary, heating and air condition technology

• Electrical Equipment Installer or

• Electronics Engineer

according to the profession designations o󰀩cially announced in the Federal Re-

public of Germany, and to comparable professions within the European Com-

munity Law.

All safety notes in these instructions must be observed in order to avoid acci-

dents involving personal harm and/or property damage.

WARNING

Danger to life due to the electrical voltage at the base station!

• Always disconnect from the mains network and secure against unintended

activation before opening.

• Only an authorised electrician may open the device.

• Disconnect external voltages and secure against activation.

• Only use the product if it is in perfect state.

• Do not operate the device without the device cover.

• This unit is not intended to be used by persons (including children) with restrict-

ed physical, sensory or mental skills or those who lack experience or knowl-

edge. If necessary, these persons must be supervised by a person responsible

for their safety or receive instructions from this person on how to use this unit.

• -Ensure that children do not play with this device. Children must be super

vised if necessary.

• In case of emergency, disconnect the complete room-by-room temperature

control system.

The following instructions show the full equipment. Individual positions may be

omitted depending on the present base.

This product is labelled with the CE Marking and thus is in compliance with

following regulations:

• 2014/30/EU with amendments “Council Directive on the approximation of the

laws of the Member States relating to Electromagnetic Compatibility”

• 2014/35/EU with amendments “Council for Coordination of the Regulations

of EU Member Countries regarding the electrical equipment for use within

certain voltage limits”

• 2011/65/EU “Restriction of the Use of Certain Hazardous Substances in

Electrical and Electronic Equipment”

Increased protection requirements may exist for the overall installation, the com-

pliance of which is the responsibility of the installer.

1 Boiler connection

2 Pump connection

3 Protective conductor connection

(only for 230 V)

4 Voltage supply

5 Fuse

6 Temperature limiter or dew point

sensor

7 Reduction channel, external timer

8 Heating/cooling change-over

9 Thermostat connection

10 LEDs

11 Strain relief

12 Connection of actuators

13 DIP switch

14 Contacts for casing cover with

integrated system clock

1 Scope of supply

2 About these instructions

3 Safety

3.1 Intended use

3.2 Safety notes

3.3 Personnel-related preconditions

4 Device overview

4.1 Connections and indications

4.2 Technical data

4.3 Conformity

important information.

a warning with respect to electrical voltage

1x 2x

T4AH

Operating voltage: 230 V ±10 %, 50 Hz

Power input 230 V: max. 50 VA

Fuse 230 V: T4AH

Number of heating zones: 10

Connectable actuators Type EKWCVATR1V3

10 heating zones: max. 18

The following applies to other actuators than those mentioned above

Inrush current per actuator: max. 500 mA (for 230 V)

Pump/boiler control

Switching power: 2 A, 200 VA inductive

Turn-on delay: 2 min

Follow-up time fixed/adjustable:

2 min / 5 - 15 min

Pump protection function: 14 days for 1 minute

Control direction: NC or NO

Ambient temperature: 0 to +50 °C

Storage temperature: -20 to +70 °C

Ambient humidity: 80%, not condensing

Temperature for ball pressure test:

Terminals: 100 °C

Plastic enclosures: 75 °C

Pollution degree: 2

Rated impulse voltage: 1500 V

ERP class acc. to EU 811/2013: 1=1 %

Protection class 230 V: II

Protection type: IP 20

Type action: Type 1 / Type 1.C

Dimensions (H x L x D): 90 x 326.5 x 50 mm

6 7 8 9 102 3 4 5

11121314

INSTALLATION MANUAL

Multi-zoning base unit 230 V

https://qr.daikin.eu?N=EKWUFHTA1V3

1. Take o󰀨 the cover.

2. Install the base. In case of wall mounting, x the base to the wall with 2

Ø 4 mm screws and corresponding dowels based on the quality of the wall.

In case of installation on a mounting bracket, use a TS 35/7.5 bracket.

3. Make the electric connection.

4. Install the cover.

The control direction is set with jumper 1:

NO operation: Jumper 1 = ON

NC operation: Jumper 1 = OFF

The xed follow-up time of 2 minutes of the pump or

the boiler can be increased by an additional 5, 10 or

15 minutes using jumper 2 and 3:

Only use a dry and solvent-free, soft cloth for cleaning.

• De-energise the complete installation.

• Remove the wiring to all externally connected components.

• Remove the base and dispose of it properly, if necessary.

WARNING! Electrical voltage! Danger to life!

• Always disconnect the base from the mains network and secure

against unintended activation before opening.

• Disconnect external voltages and secure against unintended activation.

WARNING! Electrical voltage! Danger to life!

• Always disconnect the base from the mains network and secure

against unintended activation before opening.

• Disconnect external voltages and secure against unintended activation.

neither in whole nor in parts, in any form, neither mechanically nor electronically, without the previous consent of the manufacturer.

1 32

230 V

T4AH

230 V

T4AH

0min 5min

10min 15min

2 32 3

Time Jumper 2 Jumper 3

0 min OFF OFF

5 min ONOFF

10 minutes ON OFF

15 minutes ON ON

Function Colour Explanation

Pump/boiler Green On: Pump/boiler active

O󰀨: Pump/boiler inactive

Flashing: Temperature limiter/dew point sensor active

Mains voltage Green On: Device in operation

O󰀨: Device not in operation

Flashing: Valve protection function active (Option)

Fuse Red On: Fuse defective

Change over Blue On: Cooling mode active

O󰀨: Heating mode active

Heating zones

1 to 10

Green On: Heating zone active

O󰀨: Heating zone o󰀨

For the connection of the voltage supply, the cable sections must be 1.5 mm² for 230 V. Depending on the voltage version of the base, it is possible to take L1 or

L and L2 or N, as well as the protective conductor, from the base. A temperature limiter/dew point sensor can be connected to the contact TB/%H in NC operation;

this contact cannot be used in NO operation. If no temperature limiter is connected, the connection TB/%H must be bridged (provided for at the factory). The bridge

must be removed as soon as a temperature limiter is connected. The temperature limiter must be a normally closed contact.

Heating/cooling change-over

Cooling

Heating

System clock

Voltage source

Temperature limiter

Pump

Boiler

Actuator

Analogue thermostat

Digital controller