Mitsubishi Electric EHSE-YM9EC Service Manual page 14

6-4. EHSE-MECR1.UK, ERSE-MECR1.UK
CNPWM
(WH)
1
3
3
CNP1
TBO.1
(WH)
1
1
M
1~
2
MP1 3
M
3
1~
M
2WV2b
1~
4
MP2
5
M
1~ 6
MP3
1
3
CNP4
(RD)
TBO.2
Close
1
M N
Open 2
1~
3
MXV
1
4
3
*1
5
5
6
CNV1
(WH)
TBO.3
1
Signal output
(Boiler)
2
3
Signal output
(Error)
4
5
Signal output
(Defrost)
6
Signal output 7
(Comp. ON)
8
TBO.4
1
CNIH
M
(OG)
2
2WV2a
3
1
4
3
5
Signal output
(Cooling)
6
1
3
CNBHT
(BK)
CNBC
(GY)
1
3
1
3
5
7
CNBH
(WH)
Table 1 Signal Inputs
Name Terminal block Connector Item
Room thermostat 1
IN1 TBI.1 13-14 —
input
IN2 TBI.1 11-12 — Flow switch 1 input
Flow switch 2 input
IN3 TBI.1 9-10 —
(Zone1)
IN4 TBI.1 7-8 — Demand control input Normal
Outdoor thermostat
IN5 TBI.1 5-6 —
input *1
Room thermostat 2
IN6 TBI.1 3-4 —
input
Flow switch 3 input
IN7 TBI.1 1-2 —
(Zone2)
Electric energy meter
IN8 TBI.3 1-2 —
1
Electric energy meter
IN9 TBI.3 3-4 —
2
IN10 TBI.3 5-6 — Heat meter
IN1A TBI.3 12-14 CN1A Flow sensor
*1. If using outdoor thermostat for controlling operation of heaters, the lifetime of the
heaters and related parts may be reduced.
*2. To turn on the boiler operation, use the main remote controller to select "Boiler" in
"External input setting" screen in the service menu.
Symbol Name
TB1 Terminal block <Power supply, Outdoor unit>
MP1 Water circulation pump 1
(Space heating/cooling & DHW)
MP2 Water circulation pump 2
(Space heating/cooling for Zone1)(Local supply)
MP3 Water circulation pump 3
(Space heating/cooling for Zone2)(Local supply)
3WV(2WV1) 3-way valve (2-way valve 1)(Local supply)
2WV2a 2-way valve (For Zone 1)(Local supply)
2WV2b 2-way valve (For Zone 2)(Local supply)
MXV Mixing valve (Local supply)
TH1 Thermistor (Room temp.)(Option)
TH2 Thermistor (Ref. liquid temp.)
THW1 Thermistor (Flow water temp.)
THW2 Thermistor (Return water temp.)
THW5 Thermistor (DHW tank water temp.)(Option)
OCH590B
<How to use TBO.1 to 4>
1
Connect them using either way as shown below.
2
4
F1
6
Tool
CN01
F2
(WH)
Conductor
X1
Outline view
X2
X3
1 TBO.1
2
X14
3 1 CNP1
(WH)
4 3
5
6
1
1 CNP4
TBO.2
1
3 (RD)
2
X5A
SW5
3
4
8
5
X5B
6 1
1
X4 CNV1
TBO.3 3
1
SW4
(WH)
5
2
6
3
1
4
5
SW3
6
7
X10
8
8
1
X11 TBO.4
1
2
SW2
3
X12
4
8
5
1
X15 1
6 CNIH
(OG)
3
SW1
1 1
CNBC CNBHT
8
X13
(GY) (BK)
3 3
X9
1
CNBH
X8
(WH)
7
CN1A
(WH)
1
4
2 4 6 8 10 12 14 2 4 6 8 10 12 14
1 3 5 7 9 11 13 1 3 5 7 9 11 13
TBI.1 TBI.3
X6
X7
TBI.1
1 2 3 4
1 2 1 4 1 3 1 2
t t t t t
° ° ° ° °
OFF (Open) ON (Short)
Refer to SW2-1 in "6-5. DIP switch setting".
Refer to SW2-2 in "6-5. DIP switch setting".
Refer to SW3-2 in "6-5. DIP switch setting".
Heat source OFF/
Boiler operation *2
Heater operation/
Standard operation
Boiler operation *2
Refer to SW3-1 in "6-5. DIP switch setting".
Refer to SW3-3 in "6-5. DIP switch setting".
Refer to installation manual.
Symbol
THW6 Thermistor (Zone1 flow temp.)(Option)
THW7 Thermistor (Zone1 return temp.)(Option)
THW8 Thermistor (Zone2 flow temp.)(Option)
THW9 Thermistor (Zone2 return temp.)(Option)
THWB1 Thermistor (Boiler flow temp.)(Option)
THWB2 Thermistor (Boiler return temp.)(Option)
IN1 Room thermostat 1 (Local supply)
IN2 Flow switch 1 (Local supply)
IN3 Flow switch 2 (Local supply)
IN4 Demand control (Local supply)
IN5 Outdoor thermostat (Local supply)
IN6 Room thermostat 2 (Local supply)
IN7 Flow switch 3 (Local supply)
IN8 Electric energy meter 1 (Local supply)
IN9 Electric energy meter 2 (Local supply)
Indoor unit powered
via outdoor unit
To outdoor
unit
Tool
L N S1 S2 S3 TB1
Conductor
Top view
BK
1
BK
2
CN01
(WH)
4
1
6
2
CN01
(WH)
4
F2 F1 6
IEC T6.3AL250V IEC T10AL250V
1
CN3C
BN
(BU)
1
3
CN3C
LED1 OG
(BU)
3
1
CNPWM
(WH)
3
CNRF Wireless receiver
(WH)
(Option)
LED2
CN105 WiFi adapter
(RD) (Option)
LED3
CNIT
(BU)
1
CN22
(BU)
2
CN108
LED4
CNW5 CNW12 CN21 CN20
*1
(WH) (RD) (YE) (RD)
1
1
1 1
3WV
2 2
3
4
4 5 6
TBO.2 TBO.2
2 4 6 8 10 12
M
1 3 5 7 9 11 13
1~
TBI.2
3WV
TBI.3
5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 7 8 9 10 11
+ – + – + –
CN1A
(WH)
1
Table 2 Outputs
Name Terminal block Connector
Water circulation pump 1 output (Space heat-
OUT1 TBO.1 1-2 CNP1
ing/cooling & DHW)
Water circulation pump 2 output (Space heat-
OUT2 TBO.1 3-4 —
ing/cooling for Zone1)
Water circulation pump 3 output (Space heat-
ing/cooling for Zone2) *1
OUT3 TBO.1 5-6 —
2-way valve 2b output *2
OUT4 TBO.2 4-6 CNV1 3-way valve (2-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 5-6 — Cooling signal output
OUT9 TBO.4 3-4 CNIH Immersion heater output
OUT10 TBO.3 1-2 — Boiler output
OUT11 TBO.3 3-4 — Error output
OUT12 TBO.3 5-6 — Defrost output
OUT13 TBO.4 1-2 — 2-way valve 2a output *2
OUT14 — CNP4 Water circulation pump 4 output (DHW)
OUT15 TBO.3 7-8 — Comp. ON signal
Do not connect to the terminals that are indicated as "—" in the "Terminal block" field.
*1. For 2-zone temperature control.
*2. For 2-zone valve ON/OFF control.
Name
IN10
IN1A
FLOW TEMP. CONTROLLER (FTC5)
14
Indoor unit powered
by independent source
Power supply To outdoor
unit
~/N 230V 50Hz
L N S1 S2 S3 TB1
BK
BK
1
2
CN01
4
(WH)
6
BN
1
CN3C
OG
(BU)
3
1. Symbols used in wiring diagram are,
connector, : terminal block.
2. Indoor unit and outdoor unit connecting wires
have polarities, make sure to match terminal
numbers (S1, S2, S3) for correct wirings.
3. Since the outdoor unit side electric wiring may
change, be sure to check the outdoor unit
electric wiring diagram for service.
2WV1
4 5 6
M
1~
2WV1
12 13 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14
CN22
(BU)
4
1 2
t ° t ° t ° t ° t ° t °
Item
Symbol Name
Heat meter (Local supply)
Flow sensor
TBO.1−4 Terminal block <Outputs>
TBI.1−3 Terminal block <Signal Inputs, Thermistor>
F1 Fuse (IEC T10AL250V)
F2 Fuse (IEC T6.3AL250V)
SW1−5 DIP switch "6-5. DIP switch setting".)
(See
X1−15 Relay
LED1 Power supply (FTC5)
LED2 Power supply (Main remote controller)
LED3 Communication (FTC5-Outdoor unit)
LED4 Reading or writing data to SD card
CNPWM Pump speed control signal for MP1
CN108 SD card connector
:
OFF ON
OFF ON
OFF ON
OFF ON
Heating DHW
Close
Stop
Open
OFF ON
OFF ON
OFF ON
OFF ON
OFF ON
Normal Error
Normal Defrost
OFF ON
OFF ON
OFF ON