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www.DaikinApplied.com 23
IOM 1266-2 • MAGNITUDE
®
MODEL WME CHILLERS
Figure 24: WME Field Wiring Schematic
DRA
W
ING
INDEX
SC
H
EM
AT
IC
S
YM
BO
LS
DRAWI
NG
NO.
D
ESCRI
PTI
ON
33
60
78
10
1
33
60
78
10
2
33
60
78
10
3
33
60
78
10
4
33
60
78
10
5
33
60
78
10
6
SC
HEM, LEGEND, WME-C, SECT 1
SC
HEM, CHI
LLER CONTROLLER, WME-C, SECT 2
SC
H
EM
, C
O
M
PR
ES
SO
R C
O
N
TR
O
LL
ER
, W
M
E-
C,
S
EC
T 3
SC
H
EM
, M
O
TO
R B
EA
RI
N
G
C
O
N
TR
O
LL
ER
, W
M
E-
C,
S
EC
T 4
SC
HEM, PO
WER TRAIN, WME-C,
SECT 5
SC
HEM, D
U
AL SINGLE-PO
INT
, WME-C, SECT
6
M
Sup
pl
ie
d
Cu
st
ome
r
PO
WER
SOURCE,
CU
STOMER
SUPPLI
ED
CO
N
TA
CT
,
N
O
RM
ALLY
CLOSED
AC
TU
AT
O
R
SWI
TC
H
,
PRESSURE
SWI
TC
H
,
THE
RMA
L
CIRCUI
T
BR
EA
KE
R,
3-
PO
LE
CIRCUI
T
BR
EA
KE
R,
1-
PO
LE
CAB
LE
SHIELD
CAPACI
TO
R
BA
NK
RE
LA
Y
CO
IL
CO
N
TA
CT
,
N
O
RM
AL
LY
O
PE
N
SWI
TC
H
,
FL
OW
FA
N
GROUND, EA
RT
H
TRANSFORMER, MAGNE
TI
C
CO
RE
INDUCTOR, 3-
PH
ASE
TE
RM
IN
AL
B
LO
CK
CONNECTOR
SO
LENOID
VA
LV
E
SWI
TC
H
WI
RI
NG,
FI
ELD
WI
RI
NG,
FA
CT
O
RY
THE
RMI
ST
OR
ARROW, SI
GNAL
SOURCE
AR
ROW,
SI
GNAL
D
ES
TIN
ATIO
N
#
#
#
TERMI
N
AL
B
LOC
K,
LA
YOU
T
GROUND, SH
IE
LDED
EARTH
2
1
1
2
CONNECTOR, PLUG
CONNECTOR, RECE
PT
AC
LE
TERMI
N
AL
LI
GH
T,
IN
D
ICATOR
FUSE
M
O
TO
R
SC
H
EM
AT
IC
L
EG
EN
D
VFD
VAR
IABLE FR
EQ
UENCY
D
RIVE
TB
TER
MINAL BLO
CK
EMI
EL
ECT
RO
-MA
GNET
IC INT
ER
FER
ENCE FIL
TER
TR
TRA
N
SFO
RMER
SGS
SURGE SUPPRESSOR
F
FUS
E
TSW
THE
RMAL SWI
TCH
DS
DI
SCONNECT SWI
TCH
EN
ENA
BL
E
CM
CO
M
M
O
N
CPBT
CAP
AC
IT
O
R BA
N
K
HMI
H
U
M
AN
M
AC
H
IN
E I
N
TE
RF
AC
E
HA
RM
O
N
IC FIL
TER
ENA
BL
E
HFEN
HFCM
H
AR
M
O
N
IC
F
IL
TE
R C
O
M
M
O
N
VFD
ENABLE
VFEN
VF
D
P
VA
RI
ABL
E FR
EQ
UENCY
D
RIVE BUS (+)
VFDN
VA
RI
ABL
E FR
EQ
UENCY
D
RIVE BUS (-)
IN
LET GUIDE VANE
IN
LET GUIDE VANE DRIVER
IGV
IG
VD
RV
IN
DI
CA
TOR L
IG
H
T
IL
GR
O
U
N
D
GND
CO
MPRESSOR
CMPR
CE1
CO
M
PRE
SSOR CONTROLLE
R E
XPANSI
O
N
CC1
CO
M
PR
ES
SO
R C
O
N
TR
O
LL
ER
MBC-EN
M
O
TO
R B
EARI
NG CONTROLLE
R E
N
AB
LE
MBC
M
O
TOR BEARING CONTROLLER
LI
QU
ID L
IN
E TE
M
PE
RA
TU
RE
LL
T
LI
QUI
D
LI
NE PRESSURE SENSOR
LL
P
LI
V
LI
Q
UID
INJEC
TIO
N VA
LV
E S
O
LENO
ID
S
NSR
-5
V
SE
NSOR 5 VOLT REFERENCE
S
NSR
-G
ND
SE
NSOR GROUND REFERENCE
S
CV
ST
ATOR COOLI
NG V
ALV
E
ETHERNET HUB
S1
SWI
TCH
SW
SP
SUCTI
O
N PRESSURE SENSOR
DP
DI
SCHARGE PRESSURE SENSOR
CTB
CO
MPRE
SSOR TE
RMI
N
AL B
LOCK
CO
NDENSOR PRESSURE SENSOR
CN
D
P
UNI
VERSAL SERI
AL BUS
USB
UNIT
T
ER
M
INA
L BL
O
CK
UTB
U
N
IT
CONTROLLE
R
U
C
1
U
N
IT CONTROLLER EXPANSION
UE1
BA
CNET/UNIT EXTENSION MODULE
BE
U
CI
RCUI
T BREAKER
CB
PR
O
TE
CT
IV
E E
AR
TH
PE
IN
DU
STRI
AL
C
OM
PU
TE
R
PC
PS
POWER SUPPLY
PWR
PO
W
ER
EXV
EL
ECT
RO
N
IC EXPA
NSIO
N VA
LVE
ET
HER
N
ET
ETR
EXPANSION VALVE DRIVE
EXVDRV
EV
AP
ORATOR PRE
SSU
RE
SE
NSOR
EV
P
P
ALA
RM R
EL
AY
AR
AC
TU
AT
O
R
A
C
T
CO
N
D
EN
SO
R P
U
M
P
CP
EV
APORATOR PU
MP
EP
TS
TO
WER
ST
AG
E
RPS
RE
DUNDANCY POWER SUPPLY
RA
PI
D
R
ES
TO
RE
M
O
D
U
LE
RR
RE
DU
NDANCY MODU
LE
RM
RE
LAY - HARMONI
C FI
LTE
R E
N
ABLE
K1R
RE
AC
TOR -
DC
REC
H
ARM
ON
IC
F
IL
TE
R -
TH
ERM
AL
S
W
ITC
H
TR
TS
1
CA
PACI
TOR B
ANK RE
LAY
C
N
T1
INDUSTRIAL POWER SUPPLY
IP
S
INDUSTRIAL POWER SUPPLY OUTPUT
IP
SV
A
FU
SE
D I
N
DU
STRI
AL
POWER SUPPLY OUTPUT
IP
SD
C
IN
DU
STRI
AL PO
WE
R SU
PPLY ALARM
IP
OTAL
PFD
PO
WE
R FAU
LT DE
TE
CTI
O
N
PFD-
CM
PO
W
ER
F
AU
LT
D
ET
EC
TI
O
N
-
C
O
M
M
O
N
VFPLC
VFD
ENABLE 24 VO
LT
S
MC
B
0
1
CI
RCUI
T BREAKER
S
T
SUCTI
O
N TEMPERATURE
DT
DISCHA
RG
E T
EMPER
AT
UR
E
GT
M
O
TOR G
AP
TE
M
PE
RA
TU
RE
RO
TO
R COOLI
NG DRI
VE
R
RCDRV
RO
TOR COOLI
NG V
ALV
E
RCV
MOTOR WINDING TEMPERATURE
MWT
PA
RT LOAD BALANCI
NG VALVE
PL
B
V
PA
RT LOAD BALANCING DRIVER
PL
B
D
RV
CASE TEMPERATURE
C
T
EV
APORATOR E
N
TE
RI
NG WATE
R TE
MPE
RATU
RE
EEWT
EV
AP
O
RA
TO
R L
EA
VI
N
G
W
AT
ER
T
EM
PE
RA
TU
RE
EL
W
T
CO
NDE
N
SOR E
N
TE
RI
NG WATE
R TE
MPE
RATU
RE
CEWT
CO
NDENSOR LEAVING WATER TEMPERATURE
CLWT
CO
NDENSOR ENTERING FLOW SWITCH
C
EF
S
EV
AP
O
RA
TO
R E
N
TE
RI
N
G
F
LO
W
S
W
IT
CH
EEFS
PO
W
ER F
AU
LT RE
LA
Y
RY
0
1
FI
EL
D
CONNECTIONS
25
UTB
2
34
UTB
2
26
UTB
2
28
UTB
2
27
UTB
2
28
UTB
2
29
UTB
2
35
UTB
2
30
UTB
2
35
UTB
2
31
UTB
2
22
UTB
2
21
UTB
2
36
UTB
2
11
UTB
1
1
UTB
1
11
UTB
1
11
UTB
1
2
UTB
1
3
UTB
1
11
UTB
1
4
UTB
1
12
UTB
1
5
UTB
1
12
UTB
1
6
UTB
1
12
UTB
1
9
UTB
1
13
UTB
1
8
UTB
1
13
UTB
1
10
UTB
1
13
UTB
1
0-
10V
0-
10V
0-
10V
4-
20mA
4-
20mA
(B
UIL
D
ING)
REMO
TE
SWI
TC
H
H
M
I
(M
O
N
IT
O
R)
U
N
IT M
O
TO
R
CURRE
N
T O
U
TP
U
T
(S
CA
LE
: 0
-1
25
%
)
LE
AV
IN
G
W
AT
ER
RE
SET
I
N
PU
T
D
EM
AN
D
L
IM
IT
IN
PUT
COOLI
N
G
T
O
W
ER
BY
PA
SS
VA
LVE
OUT
PU
T
COOLI
N
G
T
O
W
ER
VF
D
O
UT
PUT
RE
MOTE EN
ABLE
FE
EDB
AC
K I
N
PU
T
(U
NIT
S
U
PPLIED
24V
D
C)
H
M
I
TO
U
CH SCRE
EN
D
IS
PL
AY
(+24V
)
(C
M
)
Sup
pl
ie
d
Cu
st
om
er
U
N
IT
C
ON
TR
OL
BOX
CB1
CU
ST
OMER
S
U
PPLIED
PO
W
ER
(2
4V
D
C O
R
24
- 230VAC)
EV
AP
O
RA
TO
R P
U
M
P #
1
EP
1
L1
L2
EP
2
EV
AP
O
RA
TO
R P
U
M
P #
2
CP1
CO
N
D
EN
SOR P
U
MP
#1
CP2
CO
N
D
EN
SOR P
U
MP
#2
TS1
TOWER S
TA
G
E #
1
TS2
TOWER S
TA
G
E #
2
L1
L2
L3
CI
R
CU
IT B
RE
AK
ER
(B
Y O
THE
RS
)
CU
STO
M
ER
SU
PPLIED
PO
WE
R
EA
R
TH GRO
U
ND
M
AI
N
M
U
LT
I POINT CONNECTION
L1
L2
L3
CI
R
CU
IT B
RE
AK
ER
(B
Y O
THE
RS
)
CU
STO
M
ER
SU
PPLIED
PO
WE
R
EA
R
TH GRO
U
ND
M
AI
N
S
IN
G
LE POINT CONNECTION
L1
L2
L3
CI
R
CU
IT B
RE
AK
ER
(B
Y O
THE
RS
)
CI
R
CU
IT B
RE
AK
ER
OR
D
IS
CO
N
N
EC
T
SWI
TC
H
Su
pp
lie
d
Cu
st
om
er
CU
ST
OMER
S
U
PPLIED
AL
ARM
RE
LA
Y P
O
WE
R
(2
4V
D
C OR 24 - 230VAC)
AR3
ALAR
M
O
U
TP
U
T
NO
RMALLY
OPEN
AR4
ALAR
M
O
U
TP
U
T
N
O
RM
AL
LY
C
LO
SE
D
N
O
TES
FOR FIELD
WIRING
1.
FI
ELD
WIRIN
G
MU
ST
BE
SE
LE
CTE
D
A
N
D
IN
STA
LL
ED
I
N
A
CC
O
R
D
AN
CE WITH
TH
E NATIONAL ELECTR
IC CODE (NEC) STANDARD OR LOCAL CODES.
USE
COPPER WI
RES
ONLY
WI
TH AM
PACI
TY
BAS
ED ON 75°
C RATING 24V
AC WIRING.
OPTIONAL SENSOR AND DC
WIRING
MU
ST
BE
RU
N
SEPERATE
FROM
115
OR
MAIN
V
O
LT
AG
E W
IR
IN
G
: FO
R A
M
AX
IM
U
M
L
EN
G
TH O
F 5
0F
T,
T
H
E M
IN
IM
U
M
W
IR
E G
AUG
E M
U
ST
BE
1
2 GA. F
OR 115VAC AND 18 GA. F
OR 24VAC AND VDC.
2.
EV
APORATOR
AND
CONDENSOR
FLOW
SWITCHES
ARE
FACTOR
Y I
N
ST
AL
LE
D
A
N
D
M
AN
D
AT
O
RY
: I
F F
IE
LD
I
N
ST
AL
LE
D
D
IF
ER
EN
TI
AL
P
RE
SS
U
RE
S
W
IT
CH
ES
ARE REQUI
RED, THES
E M
U
ST
BE I
N
ST
ALLED ACROS
S THE V
ES
SE
L AND NOT THE PUM
P.
3.
THE
EV
APORATOR
PUMP R
EL
AY
W
IL
L C
YC
LE
T
H
E W
AT
ER
PUMP IN RESPONSE TO TH
E CH
ILLER BEING ENABLED.
4.
T
H
E
CO
N
D
EN
SOR WATER PUMP
M
U
ST CYCLE WITH THE CHILLER.
5.
F
IE
LD
S
U
PP
LI
ED
R
EL
AY
C
O
IL
RATED
FOR
24V
DC OR 24-230VAC WITH
MAXIMU
M 25
VA LOAD.
U
N
IT
C
O
N
TR
O
LL
ER
R
EL
AY
C
O
M
M
O
N
EX
PA
N
SI
O
N
C
O
N
TR
O
LL
ER
R
EL
AY
C
O
M
M
O
N
NO6
NC
6
NO5
NO4
NO2
NO3
NO1
NO6
FIELD
OPTI
ONS
CI
R
CU
IT B
RE
AK
ER
OR
D
IS
CO
N
N
EC
T
SWI
TC
H
CI
R
CUI
T B
RE
AK
ER
OR
D
IS
CO
N
N
EC
T
SWI
TC
H
W
M
E-
C
SCHEM
LEGEND
SECT
1
D
W
G
N
O
. 3
36
07
81
01
RE
V.
00
Содержание Magnitude WME Series
Страница 4: ...Intentionally Left Blank...