ESIE11-02 Wiring Layout
Part 1 – System Outline 1–75
3.5 Wiring Diagram: EUWA*5-24KBZW1 and EUWY*5-24KBZW1
Diagram
X3B
F5
RS485 Modbus
OR
EKRUMCA
connection
A72P
Remote
user interface
G
G0
+
-
GND
A71P
GND
-
+
A3P
BLU
12
11
24
21
12
1111
14
ONLY FOR AC16-24
FOR HEATPUMP ONLY
X2
(NO3)
X2
(NO4)
X2
(C3/4)
A1P
FOR HEATPUMP ONLY
A1P
X2
(C1/2)
X2
(NO2)
X2
(NO1)
BLK
A1P
X3
57(7)
ORG
50(14)
WHT
X55A
X2A X3AX4A X5A
X3M
X11
37 YLW/
GRN
12
2
1
OPTION KIT:
EKAC10C
OPTION KIT:
EKRUMCA
( ) APPLICABLE FOR UNIT WITHOUT INTEGRATED PUMP
S7S OPEN = HEATING
S7S CLOSED = COOLING
4321
ONLY FOR
AC16-24 HEATPUMP
ONLY FOR
AC5-24 HEATPUMP
AC16-24
230W
AC16-24
STD: 190W
ESP: 200W
X2B
AC5
140W
AC8-24
230W
AC5
STD: 140W
ESP: 190W
AC8-24
STD: 190W
ESP: 200W
AC16: 8HP
AC20: 10HP
AC24: 12HP
AC5: 5HP
AC8 & AC16: 8HP
AC10 & AC20: 10HP
AC12 & AC24: 12HP
ORG
M
1
FOR AC5
HC
BLK
RED
M12F
1
FOR AC8-24
WVU
BLK
WHT
RED
HC
RED
BLK
RED
BLK
ORG
MHCHCMHC
BLK
RED
ORG
BLK
RED
85 BLK
84 WHT
83 RED
82 BLK
81 WHT
80 RED
WVUWVU
43 BLK
45 WHT
44 RED
3 BLK
2 WHT
1 RED
ONLY FOR
AC16-24
X1B
5 L33 L21 L15 L33 L21 L1
6 T34 T22 T16 T34 T22 T1
5 L33 L21 L15 L33 L21 L1
6 T34 T22 T16 T34 T22 T1
6 T34 T22 T1
5 L33 L21 L1
ONLY FOR AC16-24
78
24VAC
H6P
X1M (A2P)
24VAC24VAC24VAC
X1M: H3-6P Output terminal for eldwiring
(voltage free contact max 2A/Output)
X2M: E5H eldheater (max 500W resistive / 230Vac / 50hz)
X3M: S7S,S9S: Input terminal for eldwiring (don't connect voltage)
(switch load 6mA / 30VDC)
X64A
X42A
ONLY FOR
AC16-24 HEATPUMP
X41A
ONLY FOR
AC5-24 HEATPUMP
X40A
A1P
X2
(C3/4)
X2
(NO4)
X2
(NO3)
135
X51A
71(8)YLW/WHT
73(10) PNK/WHT
72(9)BRN/WHT
DI4
135
X50A
OTHERS
DIGITAL OUTPUTS (RELAYS)
DIGITAL INPUTS
ANALOG OUTPUTS
ANALOG INPUTS
compressor M1C on
compressor M2C on
voltage free contact
for pump
reversing valve
alarm voltage free
contact
:
:
:
:
:
DIGITAL OUTPUTS (RELAYS)
ow switch
Remote C/H selection
high pressure switch +
discharge protector +
overcurrent
low pressure switch
remote On/O
:
:
:
:
:
DIGITAL INPUTS
X1 (B1-GND): inlet water t°
X1 (B2-GND): outlet water t°
X1 (B3-GND): none
X2 (C1/2-NO1)
X2 (C1/2-NO2)
X2 (C3/4-NO3)
X2 (C3/4-NO4)
X2 (C5-NO5)
X1 (ID1-GND)
X1 (ID2-GND)
X1 (ID3-GND)
X1 (ID4-GND)
X1 (ID5-GND)
OPTION: OP10
40 BLK
28 RED
4
FOR UNITS WITHOUT INTEGRATED PUMP
4
FOR UNITS WITH INTEGRATED PUMP
X56A
2
/WHT
35GRN
58(6) RED
53(11) BLU
52(12) BLK
51(13) ORG
27 RED/BLK
26 BRN
25 RED/BLK
24 BRN
34 RED
/WHT
69(6) GRY/WHT
54(10) VIO
62(2) PNK
55(9) GRY
63(1) GRN
56(8) BRN
61(3) WHT
31 GRY
30 GRN
28 YLW
29 ORG
17 GRY
16 GRN
22 VIO
23 PNK
15 GRY
14 GRN
20 VIO
21 PNK
33 RED
32 RED
12 RED
13 ORG
12 YLW
11 ORG
10 YLW
8 BLU
9 BLK
7 RED
19 RED
18 RED
6 BLK
5 WHT
4 RED
3 BLK
2 WHT
1 RED
3
FOR AC16-24
3
FOR AC5-12
HAP light emitting diode (service monitor green)
H1P,H2P light emitting diode (service monitor red)
S1A dipswitch (unit setting)
S2A dipswitch (defr. & fan setting)
RY1 Reversed phase protector
RY3 Pump/general operation
RY4-24 Fan speed relay 1
RY5-25 Fan speed relay 2
RY6 Heatertape
RY7 Reversing valve circ1
RY8 Reversing valve circ2
RY9 M1C o (during defrost)
RY10 M2C o (during defrost)
RY12-22 Fan speed relay 3
RY27 reversing valve of water circuit
DI1 Reverse phase detection (L1-N)
DI2 Reverse phase detection (N-L3)
DI3 M1C ON detection
DI4 M2C ON detection
DI5 Safety device detection
DI6 Pump ON detection
DI7 --
DI8 --
DI9 --
DI10 Reverse valve request
E5H
H3P
H4PH5PH6PY3RS9SS7S
H2PH1PHAP
ONLY FOR UNITS WITH INTEGRATED PUMP
X14A X15AX12A X13A
2
FOR AC5-12
2
ONLY FOR
AC16-24
X66AX65A
X62A
X70A
24VAC
DI10
X61A
X30A
X78A
X23A
X7X5
(RPP)
DI2
X60A
X63A
X71A
X71A
X17A
M22F
M21F
X24A
M12F
M11F
X22AX21A
X1A
X2M
X6 X8
X10A X8AX6A
X17A
X11A X9AX7A
X19A
X19A
DI1
DI5
X79A
X16A
DI3
X52AX53A
X18A
ONLY FOR 16-24HP
ONLY FOR AC16-24
ONLY FOR AC16-24
ONLY FOR AC16-24
X80A
X10
X9
X3M
FOR AC16-24
ONLY FOR UNITS
WITH BUFFERTANK
X29AX28A X27A
DI6
X81A X82A
1
3
5
7 7
5
3
1
43215678910
X1M
3456 12345678910
38 BLK
39 BLU
2
1
M1P
M1C M2C
1
3
5
13 13 1312
21
1331
1
3
111222
75(12) ORG
36VIO
/WHT
/WHT
42VIO
41GRN
/WHT
86 RED
87 RED
RED
WHT
ST A1 A2 5 L33 L21 L1
6 T34 T22 T1
RED
WHT
BLK
RED
WHT
BLK
RED
WHT
BLK
5
6
RED
GRN
65(2) BLK/WHT
X2
(NO1)
X2
(NO2)
X2
(C1/2)
A1P
70(7)RED/WHT
64(1)BLU/WHT
5
FOR COOLING ONLY
6
FOR COOLING ONLY
1/16E
X5
X6
70(7)RED/WHT
64(1)BLU/WHT
65(2) BLK/WHT
72(9)BRN/WHT
71(8)YLW/WHT
73(10) PNK/WHT
BLUBLK
YLW GRY
X7
X8
X4B
X4B
X3B
X3B
PCB: Remote user interfaceA72P **
auxiliary bypass relayK1A
high pressure switch during defrost circuit 1, circuit 2S21HP,S22HP
PCB: Power supply cardA71P **
fuse for pumpcontactorF6 (#)
fuse I/O PCB
fuse controller PCB
F3U
F1U
PCB: softstarter for circuit 1
buertank (55l) heater
eld heater
E6H **
E5H *
H5P * indication lamp operation compressor 2
TR1 transfo 230V -> 24V for supply of controller PCB
Q21F,Q22F thermal protector fan circuit 2
compressor motor circuit 1, circuit 2M1C,M2C
R7T,R8T coil temperature sensor for circuit 1 ,circuit 2
R6T ambient temperature sensor
Y1R,Y2R Reverse valve circuit 1, circuit 2
A3P ** PCB: address card
PE main earth terminal
Q1D,Q2D discharge thermal protector circuit 1, circuit 2
Q11F,Q12F thermal protector fan circuit 1
R3T evaporator inlet water temperature sensor
R4T evaporator outlet water temperature sensor
S1HP,S2HP high pressure switch circuit 1, circuit 2
S9S * switch for remote start/stop or dual setpoint
S10L owswitch
S12M main isolator switch
S4LP,S5LP Low pressure switch circuit 1, circuit 2
TR2 transfo 230V -> 24V for supply of I/O PCB
X1-82(A/B/M) connectors
S21P switch for pump: Manual/Auto
A1P PCB: controller PCB
E1H,E2H crankcase heater circuit 1, circuit 2
C1,C2,C3,C4 capacitors for fanmotors
E3H,E4H ** evaporator heatertape
F4 fuse I/O PCB & evaporator heatertape
F1,F2,F3 # main fuses for the unit
F5 ## surge proof fuse
H3P * indication lamp alarm
H4P * indication lamp operation compressor 1
K4S,K5S overcurrent relay circuit 1, circuit 2
K1M,K2M compressor contactor circuit 1, circuit 2
K1P (*) pumpcontactor
M11F,M12F fan motors circuit 1
M1P pump motor
X1 (Y-GND):
K6S (*) overcurrent relay pump
fan motors circuit 2M21F,M22F
A2P PCB: I/O PCB
switch for remote cooling/heating selection or dual setpointS7S *
indication lamp general operationH6P *
F7,F8 fuse for fan motor circuit 1, circuit 2
K21A, K22A auxiliary bypass relay
A5P **
132465 87 1211109 13 14 15 16
C
D
E
F
G
H
K
J
L
M
B
A
M
L
J
K
H
G
F
E
D
C
B
A
16151413910111278456231
A1
1TW60006-1
S2A dipswitch: Defrost & fan setting
1 > only applicable for heatpump:
O=start condition 1 for defrost cycle
On =start condition 2 for defrost cycle (5, 8, 10, 12, 16, 20, 24HP)
2 > O=fansetting 1 (5, 8, 16HP)
On =fansetting 2 (10, 12, 20, 24HP)
S1A dipswitch: Unit setting
1 > O=1 circuit
On =2 circuit
234 > O O O = WC CO & WC CL CO
O On O = AC CO
On O O = AC HP(without compr stop for defrost cycle)
On O On = AC HP(with compr stop for defrost cycle)
51 52
C-16
K22AK21A
C-15
5251
11
C-16
C-14
K1A
21
14
24
P>
S22HP
P>
K21AK1A
S21HP
A1
A2
K1A
EKSS: softstart
EKRUMCA = remote user interface
G0
G
A1P
X1(G)X1(G0)
TR1
230V0V
0V 24V
TR2
230V0V
0V 24V
4.4 A1.9 A1.9 A
3 A3 A
Y1R, Y2R ARE ACTIVATED IN COOLING MODE
(11)
F6
M
C2
1
WITHOUT INTEGRATED PUMP
6 T3
4 T2
2 T1
5 L3
3 L2
1 L12 T1
4 T2
6 T35 L3
3 L2
1 L1
(13) PUMP CONTACT FOR UNITS
95
96
K6S
A1
A2
K1P
E5H
4.4 A4.4 A4.4 A
3 A1.8 A1.8 A1.2 A
14A 17A 24A------
24A17A14A24A17A14A
315mAT315mAT315mAT315mAT315mAT315mAT
5A5A5A5A5A5A
250mAT250mAT250mAT250mAT250mAT250mAT
8A8A8A8A8A8A
3x20A
3x25A 3x25A 3x32A 3x40A 3x50A 3x63A
F1,F2,F3 (= gL/gG)
1.9 A
1.2 A
--
9A
315mAT
5A
250mAT
8A
3x20A 3x25A 3x32A 3x40A 3x50A 3x50A 3x63A
K6S (OP PUMP high or +OPZH/ZL)
24HP12HP 16HP
UNITS WITHOUT INTEGRATED PUMP (400V)
20HPFUSES 5HP 8HP 10HP
24HP12HP 16HP
ALL MODELS (400V)
20HP
F1U
F5
FUSES +
OVERCURRENT
5HP 8HP
F4
K4S
F3U
10HP
K6S (ST. PUMP or OPZH/ZL)
K5S
DIPSWITCH SETTING
(12)
TERMINALS FOR FIELDWIRING(10)
R8T
+t°
R7T
+t°
R6T
+t°
OP PUMP high = High Head pressure pump
EKAC10C = address card kit for Modbus or remote user interface connection
24HP12HP 16HP
UNITS WITH INTEGRATED PUMP (400V)
20HP
F4
C-1
64
63 63
64
K1P
C-1
C-1
63
51
64
52
K2M
G-2
G-2
G-2
F-12
D-10
Q21F Q22F
RY25RY24
RY22
Q11F Q12F
RY5RY4
S10L
>
RY1
H5PH6P H3P
RY27
A1P
A2P
(NO5)
X2
(C5)
X2
A1P
A1P
R4T
+t°
RY8
Y2R
RY7
Y1R
E4H
L
N
R3T
+t°
P<
S4LP
P<
S5LP
S7S
S9S
X1(ID5)X1(ID4)X1(ID3)X1(ID2)X1(ID1)X1(
GND)
X1(GND)X1(B3)X1(B2)X1(B1)
A2P
M
C3
1
M
C4
1
F3U
M
3
K6S
K1P
NOT STANDARD INCLUDED
NOTES :
OBLIGATORY
NOT OBLIGATORY
NOT POSSIBLE AS OPTION POSS. AS OPTION
*
**
###
FUSES 5HP 8HP
F1,F2,F3 (= gL/gG)
EARTH WIRING
WIRE 2
TERMINAL 1
FIELD WIRING TO BE IN ACCORDANCE WITH
(2)
(1)
L1
S12M
E1H
1
THE LOCAL ELECTRICAL REGULATIONS
(8)
IT MAY BE DAMAGED
IF COMPRESSOR ROTATES REVERSELY,
OP10 = Evaporator heatertape
OPTIONAL(9)
M
3
K5S
K2M
F1 F2 F3
L1
L2
L3
L2 L3
3N 50Hz 400V
NPE
N
PE
(3)
(4)
(5)
OPTION
PCB
(6)
Outside switchbox
(7)
10HP
F1U
M
3
K4S
K1M
M
C1
1
M
C2
1
K1M
51
52
1 L1
3 L2
5 L3
63
51
6 T3
64
52
4 T2
2 T1
K1M
G-1
G-1
G-1
F-12
D-8
RY12
RY6
K4S
96
95
Q1D
S1HP
P>
A2
A1
K1M
RY9
K5S
96
95
Q2DS2HP
P>
E2H
K2M
51
52
A2
A1
K2M
RY10
E3H
A1P
K2M K1M
H4P
RY3
E6H
K1P
S21P
K6S
A2
A1
96
95
H6P
5A5A5A5A5A5A5A
F7,F8
F7
F8
A5P
OPTION EKSS
1/7E
A1
A2 A2
A1
K21A K22A
K1A K22A