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Daikin EKWHCTRL1 - User Manual

Daikin EKWHCTRL1
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1
INSTALLATION, CONNECTION AND SETTINGS WALL MOUNTED
CONTROL EKWHCTRL1, EKRTCTRL1 FOR USE IN A MODBUS RTU
SERIAL NETWORK
Warnings
This instruction manual forms an integral part of the de-
vice and therefore must be carefully preserved and must
ALWAYS travel with it, even if you transfer the device to
another owner or relocate it to other premises.
If the manual gets damaged or lost, download a copy
from the website.
For a rapid and right assembly of the components follow
carefully the sequences described in the various sections.
All the operations must be performed by qualied person-
nel using the required Personal Protective Equipment.
This document is restricted in use to the terms of the law
and may not be copied or transferred to third parties with-
out the express authorization of the manufacturer.
Description
The terminal board +AB- of the INN-FR-B32 Printed circuit
board allows the connection of the same present in the con-
trol panels EKRTCTRL1, EKWHCTRL1 and EKWHCTRL0 to a se-
rial communication network "Modicon ModBus" RTU.
The EKWHCTRL0 kit can only be installed in combination
with the electronic controls EKWHCTRL1. In this case the
connection from the electronic board INN-FR_B32 is not
necessary because the electronic controls EKWHCTRL1
have a specic serial port to connect.
A INN-FR-B32 board
Electric connections
Preliminary warnings
Before each intervention:
disconnect the device from the power mains by turning
the system master switch to "OFF"
wait for the components to cool down in order to avoid
any burns
Make sure that there is no voltage before operating.
Any technical intervention before disconnecting the unit
from the power supply is forbidden.

Questions and Answers:

Daikin EKWHCTRL1 Specifications

General IconGeneral
BrandDaikin
ModelEKWHCTRL1
CategoryController
LanguageEnglish

Summary

Warnings

Description

Electric connections

Preliminary warnings

Safety guidelines to follow before any electrical intervention on the device.

Access to the printed circuit board

Electrical connections EKRTCTRL1

Electrical connections EKWHCTRL1 with on-board Printed circuit board EKWHCTRLO

Serial Port Features

Protocol

Details Modbus RTU protocol settings and implemented functions for serial communication.

Network accessible parameters

Configuration registers

Lists and defines network-accessible parameters, including addresses, limits, and types.

Status and configuration flag registers

Operation mode setting register PRG, address 201

Register for configuring device operation modes like Auto, Silent, Night, and Maximum.

Output status relay register OUT, address 009

Register indicating the status of output relays for boiler, chiller, and fan motor.

Flag STAT status, address 104

Register for status flags related to device operation, probes, and antifreeze mode.

Alarm flag ALR_STAT, address 105

Register detailing alarm flags for various system faults, including probe absence and motor issues.

Advanced functions (address 247)

Device address setting

Fancoil address

Troubleshooting

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