Installation and operation manual
1
EKEXMCBV3
Option kit for combination of Daikin condensing units
with field supplied evaporators
4PW32096-1
C
ONTENTS
Page
Introduction ............................................................... 1
Before installation.............................................................................. 1
Installation ................................................................. 1
Accessories....................................................................................... 1
Name and function of parts ............................................................... 2
Before installation.............................................................................. 2
Selecting the installation site............................................................. 3
Piping installation .............................................................................. 3
Valve kit installation ........................................................................... 4
Installation of the electrical control box ............................................. 5
Electric wiring work ........................................................................... 5
Installation of thermistors .................................................................. 7
Refrigerant piping work ..................................................................... 8
Test operation.................................................................................... 8
Operation and maintenance ..................................... 8
What to do before operation.............................................................. 8
Operation and display signals ........................................................... 8
Troubleshooting ................................................................................. 9
Maintenance...................................................................................... 9
Disposal requirements ...................................................................... 9
I
NTRODUCTION
B
EFORE
INSTALLATION
■
The system will operate as a standard indoor unit to control the
room temperature. This system does not require a specific
external controller but take below cautions into account.
■
Multiple outdoor unit connections are not allowed in 1
refrigerant system.
■
The automatic refrigerant charging and leak detection
function are not possible when the EKEXMCB is used.
■
The manufacturer of this outdoor unit has limited
responsibility for total capacity of the system because
performance is determined by the total system. The
discharge air may fluctuate depending on selected air
handling unit and depending on the installation configuration.
■
Do NOT connect the system to DIII-net devices:
This could result in malfunction or breakdown of the total
system.
I
NSTALLATION
■
For installation of the air handling unit, refer to the air handling
unit installation manual.
■
Never operate the air conditioner with the discharge pipe
thermistor (R3T), suction pipe thermistor (R2T) and pressure
sensors (S1NPH, S1NPL) removed. Such operation may burn
out the compressor.
A
CCESSORIES
Obligatory accessory
Refer to chapter
"Valve kit installation" on page 4
instructions.
EKEXMCBV3
Option kit for combination of Daikin condensing units
with field supplied evaporators
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 appliances.
■
Only optional controls as listed in the optional
accessories list can be used.
Quantity
Thermistor (R1T)
1
Thermistor (R3T/R2T)
(2.5 m cable)
2
Insulation sheet
2
Rubber sheet
2
Wire to wire splice
6
Screw nut
9
Tie wrap
6
Capacity setting adaptor
8
Stopper (closing cup)
1
EKEXMCB
Expansion valve kit
EKEXV