McQuay WSC 100 User Manual

22 IM 1128-2
Figure 15, Unit Controller Electrical and Sensor Connections
R331311502C0100
REFERENCE THE UNIT CONTROLLER SCHEMATIC
FOR DETAILED WIRING CONNECTIONS
US03
US04
US05
US09
US10
UNIT CONTROL BOX
US02
51 52 53 54 55 56 57 58 59 60 61 62 63 70 70 70 71 71 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 86 86 PE PE
R
MICROTECH II
TM
AIR CONDITIONING
J11
J12
J13
J14
J15
J1
J2
B1 B2 B3 GND +VDC
J3
B4 BC4 B5 BC5
J4 J5 J6
J19
J20
Y5
Y6
B9 BC9
B10 BC10
ID17 ID18
IDC17
J16
J17 J18
J21 J22 J23
SERIAL CARDPRINTER CARD
EXPANSION MEMORY
J7 J8
UNIT COMP 1 COMP 2
CIRCUIT BKR.
ON-(IN)
OFF-(OUT)
PUMP/TOWER
OPERATOR
INTERFACE
PANEL
}
}
}
}
COND. GPM SENSOR
(FIELD OPTION)
EVAP. GPM SENSOR
(FIELD OPTION)
TOWER BYPASS/TOWER VFD
(FIELD OPTION)
WATER RESET/REMOTE START-STOP/
MODE/DEMAND LIMIT
(FIELD OPTION)
}
}
}
}
WATER PUMPS
(FIELD INSTALLED)
TOWER STAGING
(FIELD INSTALLED)
ALARMS
(FIELD INSTALLED)
POWER
(FIELD INSTALLED)
J3
J4
J5
J6
UTB1
CONTROLLER
pCO2
152
C.
N.O.
151
N.O.
C.
149
150
EF
CF
149,151
150
152
249,251
250
252
T3S1 T3S2
EF1 CF1 EF2 CF2
EF BLACK
CF BLACK
EF WHITE
CF WHITE
EF & CF BROWN
EF & CF BLUE
MASS FLOW
SENSOR OPTION
EVAPORATOR
FLOW SWITCH
CONDENSER
FLOW SWITCH
7 LEADS
ENTERING EVAP. WATER TEMP.
ENTERING COND. WATER TEMP.
LEAVING COND. WATER TEMP.
LIQUID LINE TEMP.
ENTERING HEAT RECOVERY
LEAVING HEAT RECOVERY
(OPTIONAL)
(OPTIONAL)
OIP
UC POWER
FS POWER
pLAN
UNIT CONTROLLER
FLOW SWITCH
CONNECT THESE LEADS
TO THE COMPRESSOR
CONTROL BOX
COMMUNICATION
TYPE II KNOCKDOWN ONLY

McQuay WSC 100 Specifications

General

Brand	McQuay
Model	WSC 100
Category	Chiller
Language	English