Daikin EKAC30A [3/6] Installation manual
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Daikin EKAC30A [3/6] Installation manual

Daikin EKAC30A [3/6] Installation manual
1
EKAC30A
Address card
Installation manual
READ THIS MANUAL ATTENTIVELY BEFORE
STARTING UP THE UNIT. DO NOT THROW IT AWAY.
KEEP IT IN YOUR FILES FOR FUTURE REFERENCE.
IMPROPER INSTALLATION OR ATTACHMENT OF
EQUIPMENT OR ACCESSORIES COULD RESULT IN
ELECTRIC SHOCK, SHORT-CIRCUIT, LEAKS, FIRE OR
OTHER DAMAGE TO EQUIPMENT. BE SURE ONLY TO
USE ACCESSORIES MADE BY DAIKIN THAT 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.
INTRODUCTION
Thank you for purchasing the EKAC30A address card. This
address card will enable you to communicate with your chiller
through a Building Management System or supervisory system.
Please refer to the Gateway Installation Manual for more
information and a detailed overview of how the communication
works.
CHILLER RANGE
This specific address card is designed to function with chillers of
the range EUWA/Y15~35H*(Z).
* = B, C, D, ...
YOUR ADDRESS CARD KIT
The kit you have just purchased consists of:
■ 1 address card (type EKAC30A) with connector
■ 1 connection wire to field rail
DESCRIPTION OF THE ADDRESS CARD
Measurements
(refer to figure 1)
Connection to the chiller
The connection is made automatically when you insert the
address card into the PCB. The connection occurs through three
pins:
Pin Meaning
1 ground
2 RX+/TX+
3 RX–/TX–
BEFORE YOU HANDLE THE ADDRESS CARD
If handled inappropriately, your address card may suffer damage.
Hold your address card by the edges. Never touch the rear end of
the card with your hands.
Before starting up the unit for the first time, make sure that
it has been properly installed. It is therefore necessary to
read the installation manual supplied with the unit and the
recommendations listed in “Checks before initial start-up”
carefully.
HOW TO INSTALL THE ADDRESS CARD?
TURN THE POWER OFF BEFORE INSTALLING THE
ADDRESS CARD.
Install the address card
1 Take the address card by the edges.
2 Carefully place the address card with the socket over the 7-pin
PCB header as in figure 2.
(refer to figure 2)
Connect the address card to the field rail
(refer to figure 3)
Connect as listed below.
Screw connector Wire Terminal
GROUND red wire terminal 197
RX+/TX+ white wire terminal 198
RX-/TX- brown wire terminal 199
Connect the field rail to the gateway or to the other
address card
You have two possibilities:
■ If the chiller is the first in line or the only one to connect to a
gateway, connect it to the gateway directly.
■ If the chiller is a chiller in line and not the first one in line,
connect it to another chiller.
Read more on this in the installation manual of the gateway.
HOW TO OPERATE THE ADDRESS CARD?
For more information, consult the following documents:
■ The chiller operation manual: installing BMS address card +
defining the BMS settings.
■ Installation manual of gateway.
■ Operation manual of gateway.

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