M-Series SEZ-KA Engineering Manual

SEZ-16
SEZ Ducted Heat Pump Systems (August 2014)
Due to continuing improvement, above specication may be subject to change without notice.
© 2014 Mitsubishi Electric US, Inc.
3-4. ELECTRICAL WIRING DIAGRAMS
SEZ-KD09NA4.TH SEZ-KD12NA4.TH SEZ-KD15NA4.TH SEZ-KD18NA4.TH
14
4
WIRING DIAGRAM
SEZ-KD09NA4.TH
SEZ-KD12NA4.TH
SEZ-KD15NA4.TH
SEZ-KD18NA4.TH
12
1~
M
ON
OFF
SW6
DC294-340V
RECTIFY CIRCUIT
RU
SW1
BZ1
SW2
LED1
CN1
W.B.
RFI
R.B.
1
2
X1
FUSE
DRAINPUMP
135
(BLACK)
CN01
CNP
INSIDE SECTION OF CONTROL BOX
(BLUE)
CN22
31
1
LED1
CN3C
SW2SW1
CN32
CN30(GREEN)
(RED)
CN20
CN41
SWE
ON
OFF
CN51
(BLUE)
1474
59
95
2
12
41
FS TH2 TH5 TH1
FAN MOTOR
TB15
1
2
(RED)
CN105
(RED)
CN4F
(WHITE)
CN90
(WHITE)
CN44
(WHITE)
CNMF
(WHITE)
12
CN2L
TB6
(BLUE)
LED3
3
LED2
I. B.
S1
TB4
S3
S2
1
1
1
19
TRANSMISSION
WIRES DC 12V
-
+
MS
3~
SW2
SWITCH (HEATING ON/OFF)
SWITCH (COOLING ON/OFF)
SW1
RECEIVING UNIT RU
LED (RUN INDICATOR) LED1
BUZZER BZ1
IR WIRELESS REMOTE CONTROLLER BOARD
COND./EVA. TEMP. THERMISTOR TH5
PIPE TEMP. THERMISTOR/LIQUID TH2
INTAKE AIR TEMP. THERMISTOR TH1
CONNECTOR (EMERGENCY OPERATION)
SWITCH (FOR CAPACITY CODE)
SWITCH (FOR MODE SELECTION)
SWITCH (FOR MODEL SELECTION)
SWE
CONNECTOR (REMOTE SWITCH)
CONNECTOR (LLC)
CONNECTOR (LOSSNAY)
CONNECTOR (BACK-UP HEATING)
NAME NAMESYMBOL SYMBOLSYMBOL
I.B. I.B.
W.B.
OPTIONAL PARTS
R.B.
CN32
CN30
INDOOR CONTROLLER BOARD INDOOR CONTROLLER BOARD
SW2
SW1
SW6
SYMBOL EXPLANATION
NAME
CN2L
CN24
CONNECTOR (HA TERMINAL-A)
CN51
CN90
CN105
CN41
CONNECTOR (CENTRALLY CONTROL)
CONNECTOR (WIRELESS)
CONNECTOR
(RADIO FREQUENCY INTERFACE)
FUSE AC250V 6.3A FUSE
X1
AUX. RELAY
TB15
FLOAT SWITCH
RADIO FREQUENCY INTERFACE FOR RF THERMOSTAT
FS
RFI
REMOTE CONTROLLER BOARD
POWER SUPPLY (I.B.)
TERMINAL BLOCK
(REMOTE CONTROLLER TRANSMISSION LINE)
TERMINAL BLOCK
(INDOOR/OUTDOOR CONNECTING LINE)
TERMINAL BLOCK
(REMOTE CONTROLLER TRANSMISSION LINE)
TRANSMISSION (INDOOR-OUTDOOR)
POWER SUPPLY (I.B.)
LED1
TB6
LED3
LED2
TB4
Note1. Since the outdoor side electric wiring may change be sure to check the outdoor unit electric wiring for servicing.
2. Indoor and outdoor connecting wires are made with polarities,make wiring matchingterminal numbers (S1,S2,S3).
3. Symbols used in wiring diagram above are as follows.
:CONNECTOR
:TERMINAL
(HEAVY DOTTED LINE):FIELD WIRING
(THIN DOTTED LINE):OPTIONAL PARTS
4. Use copper supply wire.
TO OUTDOOR
UNIT
(YELLOW)
CN24
TB15 TB4
PARTS LOCATION
I . B.
CONTROL BOX