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Table 4 — Output Relay
RELAY NO.
DESCRIPTION
K0 (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*)
K1 (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*)
K2 (MBB)
Energize Unloader A1 (040-170*)
No Action (190-210*)
K3 (MBB)
Energize Unloader B1 (040-070†, 080-170*)
No Action (190,210*)
K4 (MBB)
No Action (040-060, 50 Hz; 040-070, 60 Hz)
Energize Compressor A2 (070, 50 Hz; 080-210*)
K5 (MBB)
No Action (040-080*)
Energize Compressor B2 (090-210*)
K6 (MBB)
Alarm
K7 (MBB)
Cooler Pump
K8 (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
K9 (MBB)
Energize First 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
K10 (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
LEGEND
OFM — Outdoor-Fan Motor
*And associated modular units.
†Field-installed accessory unloader.
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
CWF
— Chilled Water Flow Switch
CWP
— Chilled Water Pump
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
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
5
Содержание 30GTN
Страница 6: ...Fig 1 Typical Control Box 080 110 and Associated Modular Units Shown 6 ...
Страница 7: ...Fig 2 24 V Control Schematic Unit Sizes 040 070 7 ...
Страница 8: ...Fig 3 24 V Control Schematic Unit Sizes 080 110 230B 315B 8 ...
Страница 9: ...Fig 4 24 V Control Schematic Unit Sizes 130 210 230A 315A 330A B 420A B 9 ...
Страница 75: ......