Daikin EKRP1C14 User manual

INSTALLATION MANUAL

EKRP1C14

Electric heater PCB kit

4PEN584178-2B.book Page 1 Friday, May 29, 2020 2:53 PM

Installation manual

EKRP1C14

Electric heater PCB kit

4P584178-2B

Contents

page

Content of kit EKRP1C14 ....................................................................................................................2

Name of parts ......................................................................................................................................2

Function possibilities............................................................................................................................3

Installation in unit .................................................................................................................................3

Electrical connections ..........................................................................................................................4

EKRP1C14

Electric heater PCB kit

Installation manual

READ THESE INSTRUCTIONS CAREFULLY BEFORE INSTALLATION.

KEEP THIS MANUAL IN A HANDY PLACE FOR FUTURE REFERENCE.

IMPROPER INSTALLATION OR ATTACHMENT OF EQUIPMENT OR ACCESSORIES

COULD RESULT IN ELECTRIC SHOCK, SHORT-CIRCUIT, LEAKS, FIRE OR OTHER

DAMAGE TO THE EQUIPMENT. BE SURE ONLY TO USE ACCESSORIES MADE BY

DAIKIN WHICH ARE SPECIFICALLY DESIGNED FOR USE WITH THE EQUIPMENT

AND HAVE THEM INSTALLED BY A PROFESSIONAL.

IF UNSURE OF INSTALLATION PROCEDURES OR USE, ALWAYS CONTACT YOUR

DAIKIN DEALER FOR ADVICE AND INFORMATION.

All field wiring and components must be installed by a licensed electrician and must

comply with relevant local and national regulations.

The field wiring must be carried out in accordance with the wiring diagrams and the

instructions given below.

Take care not to bend the printed circuit board when inserting or removing the connectors.

4PEN584178-2B.book Page 1 Friday, May 29, 2020 2:53 PM

EKRP1C14

Electric heater PCB kit

4P584178-2B

Installation manual

Content of kit EKRP1C14

Name of parts

PCB

CN2

X1 X2 X3 X4

CN1

F1U F2U

Electrical Heater PCB Kit

INSTALLATION MANUAL

1 Connector to indoor PCB

2 Pilot lamp connection

3 Hour meter connection

4 Electric heater connection

5 Electric heater control relay power supply

6 Fuses 5 A - 250 V

7 Humidifier connection

CN2

X1 X2 X3 X4

CN1

F1U F2U

4PEN584178-2B.book Page 2 Friday, May 29, 2020 2:53 PM

Installation manual

EKRP1C14

Electric heater PCB kit

4P584178-2B

Function possibilities

■Compressor operation indication

■Indoor fan operation indication

■Electrical heater connection (only for FDA, FXSA)

■Humidifier connection (only for FDA, FXSA)

Installation in unit

Refer to the installation manual of the indoor unit or refer to the option handbook if the option can be

installed inside the unit.

In all other cases use an installation box to mount the EKRP.

Do not drill any holes in the casing of the unit to install the option.

Only use the accessories provided by Daikin to install the option.

4PEN584178-2B.book Page 3 Friday, May 29, 2020 2:53 PM

EKRP1C14

Electric heater PCB kit

4P584178-2B

Installation manual

Electrical connections

■Power supply connection

■Communication line

Do not bundle low and high voltage wires together. Bundle all wires with the included

clamps in order to avoid contact with indoor PCB's or sharp edges.

CN2

X1 X2 X3 X4 CN1

F1U F2U

PCB

NL321

CN2

X1 X2 X3 X4 CN1

F1U F2U

PCB

123

X35A

X21A

X27A

X11A

X10A

X1 X2 X3 X4 CN1

F1U F2U

CN2

X33A

4PEN584178-2B.book Page 4 Friday, May 29, 2020 2:53 PM

Installation manual

EKRP1C14

Electric heater PCB kit

4P584178-2B

■Connection of hour meter

■Connection of operation lamp

1PCB

2 Power supply for hour meter (3 A - 250 V AC/0.3 A - 110 V DC)

3Hourmeter

4 Compressor

1PCB

2 Power supply for operation lamp (3 A - 250 V AC/0.3 A - 110 V DC)

3 Operation lamp

4Fan

4PEN584178-2B.book Page 5 Friday, May 29, 2020 2:53 PM

EKRP1C14

Electric heater PCB kit

4P584178-2B

Installation manual

■Electrical connection of electric heater

1 Main PCB

2 Optional PCB

3 Main terminal (1-3) (230 V - 50 Hz)

Field supply:

4 Thermal fuse (Max. 110°C): to protect the installation

from accident (e.g. fire) when a malfunction occurs.

5 Thermal protector: to protect the electric heater for

overheating.

6 Relay (Max. 550 VA)

7 Heater

t° t° t° t° t° t°

LN L1L1 L2L2 L3

~2~ 3~

t° t° t°

L1 L2 L3

3N~

CN2

CN1

4PEN584178-2B.book Page 6 Friday, May 29, 2020 2:53 PM

Installation manual

EKRP1C14

Electric heater PCB kit

4P584178-2B

Important installation caution

The heater should be installed according to local regulations and must comply with

EN60335-2-40.

A thermal fuse should be installed on the heater so that there is no danger of damage to

the heater and no safety risk when the fan is stopped or when the PCB is malfunctioning.

The electric heater must be installed on a safe location in the discharge duct, so that there

is no danger for damage to the unit.

Maximum temperature in the discharge duct may not exceed 90°C. Select the proper

safety device or thermal protector accordingly.

Temperature on the unit casing may not exceed 70°C.

Maximum heater capacity to be installed:

20~35 class 2 kW 71~90 class 5 kW 200 class 12 kW

35~63 class 3 kW 100 class 7 kW 250 class 16 kW

125 class 9 kW

4PEN584178-2B.book Page 7 Friday, May 29, 2020 2:53 PM

EKRP1C14

Electric heater PCB kit

4P584178-2B

Installation manual

■Electrical connection of humidifier (control by 1 humidifier adjustment switch)

indoor 1

CN2

SS1

CN1

indoor 2

CN2

SS1

CN1

indoor 3

CN2

SS1

CN1 HU

HU HU

1MainPCB

2 Optional PCB

3 Main terminal (1-3) (230 V - 50 Hz)

Field supply:

4 Humidifier HU (YC-Y2) min. 20 mA-125 V AC, max. 1 A-250 V AC

5 Relay RY (YC-Y4) max. 400 mA-250 V AC (only required in case B)

case A: (YC-Y3) min. 200 V AC, max. 2 mA

case B: Humidifier adjustment switch current >2 mA

Current of RY must be lower than current of the humidifier adjustment switch.

6 Humidifier adjustment switch

7 SS1 - ON/OFF switch: Set the switch to ON for enabling humidifier control.

4PEN584178-2B.book Page 8 Friday, May 29, 2020 2:53 PM

Installation manual

EKRP1C14

Electric heater PCB kit

4P584178-2B

■Remote control settings

Installation

■Do not bundle low and high voltage wires together.

■

Bundle any excess wires with the attached tie wraps to keep loose wirings off the indoor unit PCB.

Mode No. Setting First code No. Second code No.

15(25)

Operate the humidifier during heating

mode if suction air temperature is more

than 20°C (also in thermostat off

condition).

102

Operate humidifier and drainpump. 3 01

PCB support

Adaptor

4PEN584178-2B.book Page 9 Friday, May 29, 2020 2:53 PM

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