Status Switches; Output Relay - Carrier Air Conditioner Operation And Service Manual

PIN
STATUS SWITCH CONNECTION
POINT
Oil Pressure, Ckt B J7-1, 2 (MBB)
Oil Pressure, Ckt A J7-3, 4 (MBB)
Remote On/Off TB5-13, 14
Compressor Fault
J5-8, 12 (CXB)
Signal, B3
Compressor Fault
J9-2, 12 (MBB)
Signal, B2
Compressor Fault
J9-8, 12 (MBB)
Signal, B1
Compressor Fault
J5-5, 12 (CXB)
Signal, A4
Compressor Fault
J5-11, 12 (CXB)
Signal, A3
Compressor Fault
J9-5, 12 (MBB)
Signal, A2
Compressor Fault
J9-11, 12 (MBB)
Signal, A1
LEGEND
CPCS — Compressor Protection Control System
CR — Control Relay
CXB — Compressor Expansion Board
MBB — Main Base Board
OPS — Oil Pressure Switch, Circuit A or B
Table 4 — Output Relay
RELAY
NO.
Energize Compressor A1 and OFM1 (040-110*)
Energize Liquid Line Solenoid Valve for Ckt A (if used)
K1(MBB)
(040-110*)
Energize Compressor A1, OFM5, and OFM7 (130-210*)
Energize Compressor B1 and OFM2 (040-110*)
Energize Liquid Line Solenoid Valve for Ckt B (if used)
K2 (MBB)
(040-110*)
Energize Compressor B1, OFM6, and OFM8 (130-210*)
Energize Unloader A1 (040-170*)
K3 (MBB)
No Action (190-210*)
Energize Unloader B1 (040-070†, 080-170*)
K4 (MBB)
No Action (190,210*)
No Action (040-060, 50 Hz; 040-070, 60 Hz)
K5 (MBB)
Energize Compressor A2 (070, 50 Hz; 080-210*)
No Action (040-080*)
K6 (MBB)
Energize Compressor B2 (090-210*)
K7 (MBB) Alarm
K8 (MBB) Cooler Pump
Energize First Stage of Condenser Fans:
040-050 —OFM3
060-110* — OFM3, OFM4
K9 (MBB) 130 (60 Hz) — OFM1,OFM2
Energize First Stage of Ckt A Condenser Fans:
130 (50 Hz), 150,170* — OFM1
190,210* —OFM1,OFM11
Energize Second Stage of Condenser Fans:
040-050 — OFM4
060-090* — OFM5, OFM6
100,110* — OFM5,OFM6,OFM7,OFM8
K10 (MBB)
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
No Action (040-110*; 130, 60 Hz)
K1 (CXB)
Energize Compressor A3 (130, 50 Hz; 150-210*)
No Action (040-150*)
K2 (CXB)
Energize Compressor B3 (170-210*)
Energize Compressor A4 (210*)
K3 (CXB)
Energize Accessory Unloader A2 (080-110*)
K4 (CXB) Energize Accessory Unloader B2 (080-110*)
Energize Second Stage of Ckt A Condenser Fans:
K5 (CXB)
130 (50 Hz), 150-210* — OFM3,OFM9
Energize Second Stage of Ckt B Condenser Fans:
K6 (CXB)
130 (50 Hz), 150-210* — OFM4,OFM10
LEGEND
OFM — Outdoor-Fan Motor
*And associated modular units.
†Field-installed accessory unloader.
Table 3 — Status Switches
040-060 (50 Hz)
(50 Hz)
040-070 (60 Hz)
080, 230B
Not Used* OPSB
Not Used* OPSA
Not Used Not Used
Not Used Not Used
CR/CPCS-B1† CPCS-B1
Not Used Not Used
Not Used Not Used
Not Used CPCS-A2
CR/CPCS-A1† CPCS-A1
DESCRIPTION
070
090-110, 130
245B-315B (60 Hz)
OPSB OPSB
OPSA OPSA
Field-Installed Relay Closure
Not Used Not Used
CPCS-B2 CR-B2
CPCS-B1 CR-B1
Not Used Not Used
Not Used Not Used
CPCS-A2 CR-A2
CPCS-A1 CR-A1
*The OPS can also be added as an accessory.
†The CPCS can be added as an accessory.
LEGEND FOR FIG. 1-4
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
— Thermostatic Expansion Valve
TXV
— Unloader
UL
— Across-the-Line
XL
5
170,190,
130 (50 Hz)
270A,290A,
150, 230A-
330A/B,
255A
360A/B, 390B
OPSB OPSB
OPSA OPSA
Not Used CR-B3
CR-B2 CR-B2
CR-B1 CR-B1
Not Used Not Used
CR-A3 CR-A3
CR-A2 CR-A2
CR-A1 CR-A1
210, 315A,
390A,
420A/B
OPSB
OPSA
CR-B3
CR-B2
CR-B1
CR-A4
CR-A3
CR-A2
CR-A1