Daikin ERQ, Service Manual

Page: 68 / 260

Installation and operation manual
58
EKE EKEQDCBV3
Option kit for combination of Daikin condensing units
with field supplied air handling units
4PW52446-1
C
ONTENTS
Page
Introduction ............................................................... 58
Installation ................................................................. 59
Accessories..................................................................................... 59
Name and function of parts ............................................................. 59
Before installation............................................................................ 59
Selecting the installation site........................................................... 60
Valve kit installation ......................................................................... 61
Installation of the electrical control box ........................................... 62
Electric wiring work ......................................................................... 62
Installation of thermistors ................................................................ 65
Refrigerant piping work ................................................................... 66
Test operation.................................................................................. 66
Operation and maintenance...................................... 66
What to do before operation............................................................ 66
Operation and display signals ......................................................... 68
Troubleshooting............................................................................... 68
Maintenance.................................................................................... 69
Disposal requirements .................................................................... 69
The English text is the original instruction. Other languages are
translations of the original instructions.
I
NTRODUCTION
We distinguish 2 different control boxes, each with its own application
and installation requirements.
■
EKEQFCB control box (2 possible operation modes)
■
Operation with 0–10 V input to control the capacity
An external controller is needed to control the capacity. For
details of the necessary functions of the external controller
refer to paragraph "Operation with 0–10 V capacity control".
It can be used to control the room temperature or air
discharge temperature.
■
Operation with fixed T
e
/T
c
temperature control
This system operates on a fixed evaporating temperature.
■
EKEQDCB control box
The system will operate as a standard indoor unit to control the
room temperature. This system does not require a specific
external controller.
■
Do NOT connect the system to DIII-net devices:
This could result in malfunction or breakdown of the total
system.
■
This equipment is not designed for year-round cooling
applications with low indoor humidity conditions, such as
Electronic Data Processing rooms.
■ This appliance is not intended for use by persons, including
children, with reduced physical, sensory or mental capabilities,
or lack of experience and knowledge, unless they have been
given supervision or instruction concerning use of the appliance
by a person responsible for their safety.
Children should be supervised to ensure that they do not play
with the appliance.
EKEQFCBV3
EKEQDCBV3
Option kit for combination of Daikin condensing units
with field supplied air handling units
Installation and
operation manual
READ THESE INSTRUCTIONS CAREFULLY BEFORE
INSTALLATION AND OPERATION.
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.
■
Do only use this system in combination with a field
supplied air handling unit. Do not connect this system
to other indoor units.
■
Only optional controls as listed in the optional
accessories list can be used.
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