AISIN SEIKI E1 Series User Manual

306
TROUBLESHOOTING
8. Wiring Diagram of the Outdoor Unit
8 TON
Engine compartment C/P2 Compressor clutch 4PV Reversing valve
E/G
OPH
Engine oil pan heater
(unit with drain heater kit only)
OEV
Outdoor heat exchanger liquid flow
control valve
C/P V1
Electromagnetic compressor
capacity valve 1
DH
Exhaust water drain heater
(unit with drain heater kit only)
SOT
Sub heat exchanger liquid
temperature sensor
C/P V2
Electromagnetic compressor
capacity valve 2
C/P S Compressor intake temperature sensor PSH1 Refrigerant high pressure sensor 1 BV Hot gas bypass valve
C/P T1
Compressor discharge pipe
temperature sensor 1
SEV
Sub heat exchanger liquid flow
control valve
E/G E
Exhaust water drain heater
(unit with deodorant kit only)
C/P T2
Compressor discharge pipe
temperature sensor 2
THG
Outdoor heat exchanger vapor
temperature sensor
THL
Outdoor heat exchanger liquid
temperature sensor
HLSW1 Refrigerant high pressure switch 1 OLP Engine oil pressure switch TB1 Terminal block 1 (for power supply)
ILT Outdoor liquid pipe temperature sensor PSL Refrigerant low pressure sensor TB2 Terminal block (for communication)
C/P H1 Compressor heater 1 OIL-LVL Oil level switch FUEL Fuel gas flow control valve
C/P H2 Compressor heater 2 WP Engine coolant pump WT Engine coolant temperature sensor
SCEV Subcooling valve
E/G R
Engine compartment temperature
sensor
OVEV Oil bypass control valve
AOT Accumulator outlet temperature sensor
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Heat exchanger compartment
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Electronic expansion valve is 5 cores (without brown) or
6 cores (with brown).
Unit with drain heater kit only

AISIN SEIKI E1 Series Specifications

General

Brand	AISIN SEIKI
Model	E1 Series
Category	Air Conditioner
Language	English