5
Table 3 — Status Switches
LEGEND *The OPS can also be added as an accessory.
†The CPCS can be added as an accessory.
Table 4 — Output Relay
LEGEND
OFM —
Outdoor-Fan Motor
*And associated modular units.
†Field-installed accessory unloader.
LEGEND FOR FIG. 1-4
STATUS SWITCH
PIN
CONNECTION
POINT
040-060 (50 Hz)
040-070 (60 Hz)
070
(50 Hz)
080, 230B
090-110,
245B-315B
130
(60 Hz)
130 (50 Hz)
150, 230A-
255A
170,190,
270A,290A,
330A/B,
360A/B, 390B
210, 315A,
390A,
420A/B
Oil Pressure, Ckt B
J7-1, 2 (MBB) Not Used* OPSB OPSB OPSB OPSB OPSB OPSB
Oil Pressure, Ckt A
J7-3, 4 (MBB) Not Used* OPSA OPSA OPSA OPSA OPSA OPSA
Remote On/Off
TB5-13, 14 Field-Installed Relay Closure
Compressor Fault
Signal, B3
J5-8, 12 (CXB) Not Used Not Used Not Used Not Used Not Used CR-B3 CR-B3
Compressor Fault
Signal, B2
J9-2, 12 (MBB) Not Used Not Used CPCS-B2 CR-B2 CR-B2 CR-B2 CR-B2
Compressor Fault
Signal, B1
J9-8, 12 (MBB) CR/CPCS-B1† CPCS-B1 CPCS-B1 CR-B1 CR-B1 CR-B1 CR-B1
Compressor Fault
Signal, A4
J5-5, 12 (CXB) Not Used Not Used Not Used Not Used Not Used Not Used CR-A4
Compressor Fault
Signal, A3
J5-11, 12 (CXB) Not Used Not Used Not Used Not Used CR-A3 CR-A3 CR-A3
Compressor Fault
Signal, A2
J9-5, 12 (MBB) Not Used CPCS-A2 CPCS-A2 CR-A2 CR-A2 CR-A2 CR-A2
Compressor Fault
Signal, A1
J9-11, 12 (MBB) CR/CPCS-A1† CPCS-A1 CPCS-A1 CR-A1 CR-A1 CR-A1 CR-A1
CPCS —
Compressor Protection Control System
CR —
Control Relay
CXB —
Compressor Expansion Board
MBB —
Main Base Board
OPS —
Oil Pressure Switch, Circuit A or B
RELAY
NO.
DESCRIPTION
K1(MBB)
Energize Compressor A1 and OFM1 (040-110*)
Energize Liquid Line Solenoid Valve for Ckt A (if used)
(040-110*)
Energize Compressor A1, OFM5, and OFM7 (130-210*)
K2 (MBB)
Energize Compressor B1 and OFM2 (040-110*)
Energize Liquid Line Solenoid Valve for Ckt B (if used)
(040-110*)
Energize Compressor B1, OFM6, and OFM8 (130-210*)
K3 (MBB)
Energize Unloader A1 (040-170*)
No Action (190-210*)
K4 (MBB)
Energize Unloader B1 (040-070†, 080-170*)
No Action (190,210*)
K5 (MBB)
No Action (040-060, 50 Hz; 040-070, 60 Hz)
Energize Compressor A2 (070, 50 Hz; 080-210*)
K6 (MBB)
No Action (040-080*)
Energize Compressor B2 (090-210*)
K7 (MBB)
Alarm
K8 (MBB)
Cooler Pump
K9 (MBB)
Energize First Stage of Condenser Fans:
040-050 —OFM3
060-110* — OFM3, OFM4
130 (60 Hz) — OFM1,OFM2
Energize First Stage of Ckt A Condenser Fans:
130 (50 Hz), 150,170* — OFM1
190,210* —OFM1,OFM11
K10 (MBB)
Energize Second Stage of Condenser Fans:
040-050 — OFM4
060-090* — OFM5, OFM6
100,110* — OFM5,OFM6,OFM7,OFM8
130 (60 Hz) — OFM3,OFM4,OFM9,OFM10
Energize First Stage of Ckt B Condenser Fans:
130 (50 Hz), 150,170* — OFM2
190,210* — OFM2,OFM12
K11 (MBB)
Hot Gas Bypass
K1 (CXB)
No Action (040-110*; 130, 60 Hz)
Energize Compressor A3 (130, 50 Hz; 150-210*)
K2 (CXB)
No Action (040-150*)
Energize Compressor B3 (170-210*)
K3 (CXB)
Energize Compressor A4 (210*)
Energize Accessory Unloader A2 (080-110*)
K4 (CXB)
Energize Accessory Unloader B2 (080-110*)
K5 (CXB)
Energize Second Stage of Ckt A Condenser Fans:
130 (50 Hz), 150-210* — OFM3,OFM9
K6 (CXB)
Energize Second Stage of Ckt B Condenser Fans:
130 (50 Hz), 150-210* — OFM4,OFM10
C—
Compressor Contactor
CB —
Circuit Breaker
CCN —
Carrier Comfort Network
CGF —
Compressor Ground Fault
CHT —
Cooler Heater Thermostat
CKT —
Circuit
CLHR —
Cooler Heater Relay
CPCS —
Compressor Protection and Control System
CWFS —
Chilled Water Flow Switch
CWPI —
Chilled Water Pump Interlock
CR —
Control Relay
CXB —
Compressor Expansion Board
EQUIP GND —
Equipment Ground
FB —
Fuse Block
FC —
Fan Contactor
FCB —
Fan Circuit Breaker
FIOP —
Factory-Installed Option Package
EMM —
Energy Management Module
EXV —
Electronic Expansion Valve
FCB —
Fan Circuit Breaker
HPS —
High-Pressure Switch
LCS —
Loss-of-Charge Switch
LEN —
Local Equipment Network
MBB —
Main Base Board
NEC —
National Electrical Code
OAT —
Outdoor-Air Temperature
OPS —
Oil Pressure Switch
PL —
Plug
PW —
Part Wind
SN —
Sensor (Toroid)
SPT —
Space Temperature
TRAN —
Transformer
SW —
Switch
TB —
Terminal Block
TDR —
Time Delay Relay
TXV —
Thermostatic Expansion Valve
UL —
Unloader
XL —
Across-the-Line
