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6-5. EHSD-TM9D.UK, EHSC-TM9D.UK
Power supply
to Booster heater
3~ 230V 50Hz
L1
L2
L3
(1)
(3)
(5)
ECB1
2
4
6
1
3
5
A1
BHCP
2
4
6
A2
BHC1
BHC2
1
3
5
A1
1
3
5 A1
2
4
6
A2
2
4
6 A2
2
2
2
BH1
BH2
θ
BHF
BHT
2
1
2
CNBHT
(BK)
3
1
2
CNBC
(GY)
3
1
2
3
CNBH
5
(WH)
2
7
Table 1 Signal Inputs
Name Terminal block Connector
Item
OFF (Open)
Room thermostat
Refer to SW2-1 in
IN1
TBI.1 7-8
—
1 input *1
<Table 6.6.1 DIP Switch Functions>.
Flow switch 1
Refer to SW2-2 in
IN2
TBI.1 5-6
—
input
<Table 6.6.1 DIP Switch Functions>.
Flow switch 2
Refer to SW3-2 in
IN3
TBI.1 3-4
—
input (Zone1)
<Table 6.6.1 DIP Switch Functions>.
Demand control
IN4
TBI.1 1-2
—
Normal
input
Outdoor thermo-
Standard opera-
IN5
TBI.2 7-8
—
stat input *2
tion
Room thermostat
Refer to SW3-1 in
IN6
TBI.2 5-6
—
2 input *1
<Table 6.6.1 DIP Switch Functions>.
Flow switch 3
Refer to SW3-2 in
IN7
TBI.2 3-4
—
input (Zone2)
<Table 6.6.1 DIP Switch Functions>.
Electric energy
IN8
TBI.3 7-8
—
meter 1
Electric energy
IN9
TBI.3 5-6
—
meter 2
Refer to installation manual.
IN10
TBI.2 1-2
—
Heat meter
IN11
TBI.3 3-4
—
Smart grid ready
IN12
TBI.3 1-2
—
input
INA1
TBI.4 1-3
CN1A Flow sensor
*1. Set the ON/OFF cycle time of the room thermostat for 10 minutes or more;
otherwise the compressor may be damaged.
*2. If using outdoor thermostat for controlling operation of heaters, the lifetime of the
heaters and related parts may be reduced.
*3. To turn on the boiler operation, use the main remote controller to select "Boiler" in
"External input setting" screen in the service menu.
Table 2 Outputs
Name Terminal block Connector
Item
Water circulation pump 1 output
OUT1
TBO.1 1-2 CNP1
(Space heating/cooling & DHW)
Water circulation pump 2 output
OUT2
TBO.1 3-4
—
(Space heating/cooling for Zone1)
Water circulation pump 3 output
OUT3
TBO.1 5-6
—
(Space heating/cooling for Zone2) *1
2-way valve 2b output *2
TBO.2 4-6 CNV1 3-way valve (2-way valve) output
OUT4
—
CN851 3-way valve output
TBO.2 1-2
OUT5
—
Mixing valve output *1
TBO.2 2-3
OUT6
—
CNBH 1-3 Booster heater 1 output
OUT7
—
CNBH 5-7 Booster heater 2 output
OUT8
TBO.4 7-8
—
Cooling signal output
OUT9
TBO.4 5-6 CNIH Immersion heater output
OUT10 TBO.3 1-2
—
Boiler output
OUT11 TBO.3 5-6
—
Error output
OUT12 TBO.3 7-8
—
Defrost output
OUT13 TBO.4 3-4
—
2-way valve 2a output *2
Water circulation pump 4 output
OUT14
—
CNP4
(DHW)
OUT15 TBO.4 1-2
—
Comp. ON signal
OUT16 TBO.3 3-4
—
Thermo ON signal
OUTA1
TBI.4 7-8
—
Analog output
Do not connect to the terminals that are indicated as "—" in the "T
*1. For 2-zone temperature control.
*2. For 2-zone valve ON/OFF control.
OCH712C
CNPWM
(WH)
1
3
3
CNP1
TBO.1
(WH)
1
X1
1
M
1~
2
M
MP1
3
1~
X2
3
M
2WV2b
1~
4
MP2
X3
5
M
1~
6
MP3
1
X14
M
1~
MP4
3
CNP4
(RD)
X5A
TBO.2
1
Close
M
N
2
1~
Open
X5B
MXV
3
4
M
5
1~
6
X4
3WV
CNV1
4
5
6
(WH)
1
TBO.2
M
3
1~
5
2WV1
TBO.3
X10
1
Signal output
(Boiler)
2
X16
3
Signal output
(thermo on)
4
X11
5
Signal output
(Error)
6
X12
7
Signal output
(Defrost)
8
TBO.4
X15
1
Signal output
(Comp. on)
2
X13
3
M
1~
4
2WV2a
X9
5
6
X8
7
Signal output
(Cooling)
8
CNBHT
(BK)
1
3
CNBC
(GY)
1
3
CNBH
(WH)
X6
1
3
X7
5
7
TAB1
CN401
CNW5
CNW12
CN21
CN20
TBI.1
(WH)
(BU)
(RD)
(YE)
(RD)
8
1
4
1
4
1
3
1
2
1
4
t°
t°
t°
t°
t°
THW5B
THW1
THW2
TH2
TH
TH1
Symbol
ON (Short)
TB1
ECB1
MP1
MP2
MP3
Heat source OFF/
Boiler operation *3
MP4
Heater operation/
3WV(2WV1) 3-way valve (2-way valve 1)(Local supply)
Boiler operation *3
2WV2a
2WV2b
MXV
BHT
BHF
BH1
BH2
BHC1
BHC2
BHCP
TH1
TH2
THW1
THW2
THW5B
THW6
THW7
OFF
ON
THW8
OFF
ON
THW9
THW10
OFF
ON
THWB1
IN1
OFF
ON
IN2
IN3
Heating
DHW
IN4
IN5
Close
Stop
IN6
Open
IN7
OFF
ON
IN8
OFF
ON
OFF
ON
IN9
OFF
ON
IN10
OFF
ON
IN11
Normal
Error
IN12
Normal Defrost
INA1
OFF
ON
FLOW TEMP. CONTROLLER (FTC)
OFF
ON
TBO.1−4 Terminal block <Outputs>
OFF
ON
TBI.1−6 Terminal block <Signal Inputs, Thermistor>
OFF
ON
F1
0V-10V
F2
SW1−6 DIP switch *See Table 6.6.1
X1−16
LED1
LED2
LED3
LED4
CNPWM Pump speed control signal for MP1
CN108
CN01
(BK)
1
<How to use TBO.1 to 4>
3
Connect them using either way as shown below.
F1
5
F2
Tool
Conductor
Outline view
FTC board
TBO.1
1
2
3
1
CNP1
4
3
(WH)
F2
5
6
1
1
CNP4
1
TBO.2
3
(RD)
LED1
2
SW5
3
4
5
8
6
1
1
CNV1
3
1
TBO.3
(WH)
5
SW4
2
3
4
6
1
5
6
7
SW3
LED2
8
1
TBO.4
8
2
1
LED3
3
4
5
SW2
6
7
8
8
1
CNIH
1
(OG)
1
3
1
SW1
1
CNBHT
SW6
CNBC
(BK)
(GY)
3
3
5
LED4
8
1
3
CNBH
5
(WH)
7
TAB1
CN401
CN1A
CNW5
(WH)
(WH)
(BU)
1
1
1
4
4
4
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
TBI.1
TBI.2
TBI.3
TBI.4
TBI.2
TBI.3
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
-
+
-
+ -
+
IN1
IN2
IN3
IN4
IN5
IN6
IN7
IN10
IN8
IN9
IN11
Name
Terminal block <Power supply, Outdoor unit>
Earth leakage circuit breaker for booster heater
Water circulation pump 1(Space heating & DHW)
Water circulation pump 2
(Space heating for Zone1)(Local supply)
Water circulation pump 3
(Space heating for Zone2)(Local supply)
Water circulation pump 4 (DHW)(Local supply)
2-way valve (For Zone 1)(Local supply)
2-way valve (For Zone 2)(Local supply)
Mixing valve (Local supply)
Thermostat for booster heater
Thermal fuse for booster heater
Booster heater 1
Booster heater 2
Contactor for booster heater 1
Contactor for booster heater 2
Contactor for booster heater protection
Thermistor (Room temp.)(Option)
Thermistor (Ref. liquid temp.)
Thermistor (Flow water temp.)
Thermistor (Return water temp.)
Thermistor (DHW tank water temp.)(Option)
Thermistor (Zone1 return temp.)(Option)
Thermistor (Zone2 return temp.)(Option)
Thermistor (Mixing tank temp.)(Option)
Room thermostat 1 (Local supply)
Flow switch 1 (Local supply)
Flow switch 2 (Local supply)
Demand control (Local supply)
Outdoor thermostat (Local supply)
Room thermostat 2 (Local supply)
Flow switch 3 (Local supply)
Electric energy meter 1 (Local supply)
Electric energy meter 2 (Local supply)
Heat meter (Local supply)
Smart grid ready input (Local supply)
Flow sensor
Fuse (IEC T10AL250V)
Fuse (IEC T6.3AL250V)
Relay
Power supply (FTC)
Power supply (Main remote controller)
Communication (FTC-Outdoor unit)
Reading or writing data to SD card
SD card connector
15
Indoor unit powered
via outdoor unit
To outdoor
Power supply
unit
~/N 230V 50Hz
Tool
Conductor
L
N
S1
S2
S3
TB1
Top view
1
CN01
3
(BK)
5
1
CN01
CN01
F1
3
(BK)
(BK)
5
1
CN3C
(BU)
3
BN
1
1
CN3C
CN3C
CNPWM
OG
(BU)
(BU)
3
(WH)
3
1
CN851
(BK)
1. Symbols used in wiring diagram are,
8
: connector,
2. Indoor unit and outdoor unit connecting
1
Wireless receiver
CNRF
wires have polarities, make sure to match
(Option)
(WH)
5
terminal numbers (S1, S2, S3) for correct
wirings.
1
WiFi adapter
CN105
3. Since the outdoor unit side electric wiring
(RD)
(Option)
5
may change, be sure to check the outdoor
unit electric wiring diagram for service.
1
CNIT
(BU)
5
CN22
1
(BU)
2
CN108
CNW12
CN21
CN20
(RD)
(YE)
(RD)
1
1
1
2
3
4
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
TBI.6
TBI.5
TBI.4
TBI.5
TBI.6
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
+
-
CN1A
(WH)
1
4
V
t°
t°
t°
t°
t°
IN12
OUTA1
THW6 THW7 THW8 THW9
THWB1 THW10
Indoor unit powered
by independent source
To outdoor
unit
L
N
S1
S2
S3
TB1
1
3
5
BN
1
OG
3
: terminal block.
7
6
5
4
3
2
1
CN22
(BU)
2
1
t°
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