MEES20K028
PWF
Y
-P-N
MU-E-
BU, P-N
M
U-E2-
A
U
9
5. ELECTRICAL WIRING DIAGRAMS
AIR TO WATER
5. ELECTRICAL WIRING DIAGRAMS
PWFY-P36NMU-E-BU
gray
2
1
gray
black
To
outdoor unit/
BC controller
To
MA
remote
controller
Power Supply ~208/230V 60Hz
3
2
1
blue
red
yellow/green
blue
red
CN4
63LS
CN63HS
1
1
3
2
2 3
THHS
1
2
CN63LS
1
2
3
TH8
2
1
CN403
red
TH6
1
2
CN404 black
31
CT1
Moter
3~
CYN
RS4
MS
RS3
(Compressor)
CN3A blue
U
t
t
t
t
t
red
yellow
TH22
CN405
IPM
W
V
U
black
1
63HS
7
2
1
3
1
2
CN3
2
1
t
CN401
CN2
25
6
red
CN5
2
1
TH1
1
1
2
TH13
2
1
white
CN402 green
red
5
6
RS1
black
2
CN52C
R1
LO
U
CNAC2
red
2
CN5
1
1
2
red
blue
red
LEV2W
M
M
LI
24V
blue
+
CB3
Z2
1
U
CT1
LEV1W
1
CN2
63H1
6 5
CNAC
2
red
1
CX2
L1
CN506A
L3
L2
G
6 5
N
CN-E1
CN631
DSA
pink
E2
3
1
E1
4 3 2 1
CY4
P
CY3
3
1
L4
Z1
NI
CB1
+
1
TB2
CN661
2
L2
3
X506
W
4
CN4
blue
U
CN52C
1
2
+
CX3
INV control circuit
PFC
E3
1
L1
2
M
ZNR01
ACL
CY1
CY2
CT2
FTLD2
FTLD1
CNLD9
blue
Noise Filter
red
Fan motor
1
3
(DC)
CX5
CYP
CIS
CX6
1
2
7
V
yellow
LED3:Lit when powered
INV Board
Control Board
CB2
(DC)
CY6
S
CX4
R
CNAC1
M
C
N
LVA
NO
Fan motor
3
1
2
RS2
CY5
P
CNL
V
B
blue
CX1
CX7
CN506B
CPS
+
RS
F01 AC250V 6.3A
T
F631 DC700V 4A
T
Power Supply circuit
blue
red
TB5
M1
M2
S(SHIELD)
S(SHIELD)
TB15
yellow
purple
black
orange
green
red
black
white
green
gray
52C
1
2
CN2M blue
31
*4
*8
TB141B
TB142B
IN6
COM+
OUT5
TB142C
OUT7
OUT6
X515
X517
X516
IN8
IN5
IN7
TB142A
X514
OUT2
X512
X51
1
X513
OUT1
OUT3
OUT4
TB141A
*5
*6
*7
IN3
IN4
COM+
LED4:Remote controller
when powered
At factory shipment
At factory shipment
SWU1
10
SW1
5
ON OFF
1
Unit address setting(SWU1,SWU2) Connection No.(SWU3)
LED1 Display setting(SW2) Function setting(SW1,SW3,SW4)
SWP3
SW5
SWP1
SWU3
SWP2
SWU2
OFF
ON
1
10
SW4
OFF
ON
11
0
LED1
OFF
ON
1
SW3
OFF
ON
11
0
SW2
gray
CN421 black
31
CN422
blue
IN1
IN2
31
CN421
4-20mA
4-20mA
black
31
CN422
blue
2
2
2
2
1
2
AC reactor
Pressure switch
High pressure switch (High pressure protection for the booster unit)
Discharge pressure
Low pressure
TB2
LEV1W
TB5
LEV2W
TB15
TH1
1
OUT1
IN1
IN3
COM+
IN4
IN5
IN6
IN7
TH13
OUT2
TH22
OUT3
TH6
OUT4
TH8
CT1,CT2
ACL
THHS
Magnetic relay(main circuit)
Current sensor(AC)
Explanation
Function
Function
Function
Function
Terminal block
Linear expansion valve
Power supply
BC controller/outdoor unit
Outdoor unit/BC controller
Booster unit
MA
remote controller
Compressor discharge temp
Operation ON/OFF
Pump interlock
Connection demand
Common
Operation ON/OFF
Hot water/Heating
Heating ECO
Anti-freeze
Evaporator outlet temp
Defrost
liquid pipe temp
Compressor
water inlet temp
Error signal
water outlet temp
IGBT
temp
Pressure sensor
Symbol
Symbol
Symbol
Symbol
Symbol
63H1
*4 TB141A(output)
*5 TB142A(input)
*6 TB142B(input)
*7 TB142C(input)
*8. Use copper supply wires.
63HS
63LS
Thermistor
52C
<Symbol explanation>
<HIGH VOL
TAGE W
ARNING>
· Control box houses high-voltage parts.
Before inspecting the inside of the control box, turn of
f the power
,
keep the unit of
f for at least 10 minutes, and confirm that the voltage
CN631 on Control Board has dropped to DC20V or less.
<CAUTION FOR INST
ALLA
TION>
· Prior to installation, read the Installation Manual carefully
.
*1. Single-dotted lines indicate wiring not supplied with the unit.
*2. Dot-dash lines indicate the control box boundaries.
*3. Faston terminals have a locking function.
Make sure the terminals are securely locked in place after insertion.
Press the tab on the terminals to remove them.
0000005923.BOOK 9 ページ 2020年8月6日 木曜日 午後12時38分