Carrier PC 111 Air Conditioner User Manual


 
58
LEGEND AND NOTES FOR FIG. 57
NOTES:
1.Connect TRAN1 to for 460 v units. Connect to
for 230 v
units. If 208/230 v units are run with a 208 v power supply con-
nect to .
2.Connect TRAN2 to BLK lead for 460 v units. Connect to ORN
lead for 230 v units. If 208/230 v units are run with a 208 v
power supply connect to RED lead.
3.Circuit breaker must trip amps are equal to or less than 156%
FLA (full load amps) for CB1 and CB2. All others are 140%.
4.If any of the original wire furnished must be replaced, it must
be replaced with type 90° C wire or its equivalent.
5.Number(s) indicates the line location of contacts. A bracket
over (2) numbers signifies single pole double throw contacts.
An underlined number signifies a normally closed contact.
Plain numbers (no lines), signify a normally opened contact.
6.Condenser fan motors are thermally protected.
7.Three phase motors are protected under primary single phas-
ing conditions.
ALM
Alarm
IGVM
Inlet Guide Vanes Motor
C
Contactor
LAT
Leaving-Air Temperature
CB
Circuit Breaker
LPS
Low-Pressure Switch
CCB
Control Circuit Breaker
MTR
Motor
COMP
Compressor
MV
Main Valve
CH
Crankcase Heater
NC
Normally Closed
CR
Control Relay
NO
Normally Open
DPS
Differential Pressure Switch
OFC
Outdoor Fan Contactor
DPT
Discharge Pressure Transducer
OFM
Outdoor (Condenser) Fan Motor
EAT
Enering-Air Temperature
OMR
Outdoor Motor Relay
EC
Enthalpy Control
PCB
Power Exhaust Circuit Breaker
ECR
Economizer Close Relay
PEC
Power Exhaust Contactor
EOR
Economizer Open Relay
PEDM
Power Exhaust Damper Motor
EQUIP
Equipment
PEM
Power Exhaust Motor
FS
Fan Status Switch
P, PL
Plug
GND
Ground
RCB
Return Fan Circuit Breaker
HIR
Heat Interlock Relay
RES
Resistor
HPS
High-Pressure Switch
RFC
Return Fan Contactror
HR
Heater Relay
RFM
Return Fan Motor
HTR
Heater
SCT
Saturated Condensing Thermistor
IDC
Induced Draft Contactor
TB
Terminal Block
IDM
Induced Draft Motor
TRAN
Transformer
IFC
Indoor (Evaporator) Fan Contactor
U
Unloader
IFCB
Indoor Fan Circuit Breaker
VFD
Variable Frequence Drive
IFM
Indoor Fan Motor Field Wiring
IGV
Inlet Guide Vanes Factory Wiring
H4
H3
H2