![](/images/backgrounds/27675/bg4.png)
4
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Fig. 2 — Pin Terminal Connector J1
Thermistor Inputs
T—Thermistor
Field Wiring
Accessory
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Fig. 3 — Pin Terminal Connector J2
Status Switch Inputs
CR — Control Relay
EC — Enthalpy Control
LPS — Low-Pressure Switch
Table 2 — Pin Terminal Connector J2
Status Switch Inputs
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NOTE: Terminal numbers 5, 6, 11, 12, 16-19, and 21-23 are not used
on these units.
CONNECTOR J2
TERMINAL NO. STATUS SWITCH UNIT SIZE
034-104
1,2 Oil Pressure,
Circuit 2 Jumpered
3,4 Oil Pressure,
Circuit 1 Jumpered
7,8 Loss of Charge,
Circuit 2 LPS2
9,10 Loss of Charge,
Circuit 1 LPS1
13,14 Economizer
Changeover EC
15,20 Compressor Fault
Signal CR2
15,24 Compressor Fault
Signal CR1
CR — Control Relay
EC — Enthalpy Control
LPS — Low-Pressure Switch
LEGEND
Fig. 4 — Pin Terminal Connector J3
Potentiometer Inputs
IN —Input Factory Wiring
P—
Potentiometer Field Wiring
RNT — Return Accessory
SW — Switch