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
C 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)