19
AE5-1412 R1
© 2016 Emerson Climate Technologies, Inc.
Sensor Connections
Label Function Type
AI1 Suction Pressure Transducer 0.5 to 4.5 VDC Ratio metric
AI2 Condenser Temperature Sensor 10k NTC (See Section 12 for values)
AI3 Discharge Line Temperature Sensor 86k NTC (See Section 12 for values)
AI4
EVI Heat Exchanger Inlet Vapor Temperature
Sensor (Low Temp Only)
10k NTC (See Section 12 for values)
AI5
EVI Heat Exchanger Outlet Vapor Temperature
Sensor (Low Temp Only)
10k NTC (See Section 12 for values)
AI6 Ambient Temperature Sensor 10k NTC (See Section 12 for values)
AI7 Liquid Line Temperature Sensor (Low Temp Only) 10k NTC (See Section 12 for values)
DI3 Future Use Future Use
EV Liquid or Vapor Injection Valve 12VDC Stepper
Other Connections
Label Functions
VNR Remote Display Connection
Connect + to + and – to -
RS485 RS-485 Communications
CANBUS Future Use
B.BKP Future Use
H-K
Hotkey programming
(use with part # 043-0171-01 to reset control)
Label Connector(s)
Electrical Limit
(250VAC Max)
Function
Neutral ¼” Spade Connectors (6)
25A Max Current
(16A Max Each Spade)
L1 Common Terminal Strip
R ¼” Spade Connector 480V Max L1 Voltage Sensing
S ¼” Spade Connector 480V Max L2 Voltage Sensing
T ¼” Spade Connector 480V Max L3 Voltage Sensing (3 Phase Only)
SUPPLY 24VAC, 40VA Controller Power Supply
T01
2A Wave Form
Chopping Triac
Variable Speed PSC Fan Motor Control
T02 Not Used For Future Use
High Voltage Connections (continued)
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