EKEX EKEXDCBAV3
Option kit for combination of Daikin condensing units
with field supplied evaporators
4PW30903-1
Installation and operation manual
6
Connecting the wiring: EKEXDCBAV3
■
Connect the wires to the terminal board according to the wiring
diagram in
figure 5
. See
figure 6
for wiring intake in the control
box. The wiring intake hole indication H1 refers to the H1 cable
of the corresponding wiring diagram.
■
Connect cables according to specifications of the next table.
Table connection and application
Wiring diagram
A1P.................... Printed circuit board
F1U.................... Fuse (250 V, F5A)(A1P)
F3U.................... Field fuse
HAP ................... Light emitting diode (service monitor-green)
KRP4 ................. Optional connection PCB
Q1DI .................. Earth leakage breaker
R1T.................... Thermistor (air)
R2T.................... Thermistor (liquid)
R3T.................... Thermistor (gas)
T1R.................... Transformer (220 V/21.8 V)
X1M,X3M........... Terminal block
Y1E.................... Electronic expansion valve
X1M-R1/R2........ Thermistor liquid
X1M-R3/R4........ Thermistor gas
X1M-R5/R6........ Thermistor air
X1M-Y1~6 ......... Expansion valve
X1M-P1/P2 ........ Communication remote controller
X1M-T1/T2......... Input: ON/OFF
X1M-F1/F2......... Communication outdoor unit
........... Field wiring
L......................... Live
N ........................ Neutral
, ......... Connector
........................ Wire clamp
..................... Protective earth (screw)
............... Separate component
............... Optional accessory
BLK.................... Black
BLU.................... Blue
BRN ................... Brown
GRN ................... Green
GRY ................... Gray
ORG................... Orange
PNK.................... Pink
RED ................... Red
WHT................... White
YLW ................... Yellow
Description
Connect to
Type of cable
Cross section
(mm
2
)
(*)
Maximum length
(m)
Specifications
L, N,
earth
Power supply
Power supply
H05VV-F3G2.5
2.5
—
Power supply 230 V 1~50 Hz
Y1~Y6
Expansion valve
connection
Expansion valve kit
LIYCY3 x 2 x 0.75
0.75
20
Digital output 12 V DC
R1,R2
Thermistor R2T
(liquid pipe)
—
H05VV-F2 x 0.75
Standard: 2.5
Max.: 20
Analog input 16 V DC
R3,R4
Thermistor R3T
(gas pipe)
R5,R6
Thermistor R1T (air)
P1,P2
Remote controller
100
Communication line 16 V DC
F1,F2
Communication to
outdoor unit
Outdoor unit
T1,T2
ON/OFF
Controller field supply
—
Digital input 16 V DC
LIYCY4 x 2 x 0.75
Optional connection: when the function of the switch box needs to be
extended: see KRP4A51 for details of settings and instructions.
—
Capacity step
—
Error signal
—
Operation signal
(*)
Recommended size (all wiring must comply with local codes).
