Control system components – Trane CVHE-SVU01E-ENX39640712050 User Manual
Page 54

CVHE-SVU01E-EN
54
Control System
Components
EXOP Extended Operation Option
The following modules (1A17, 1A18, and 1A19) are provide when this control package is specified.
1A5 Quad Relay
EXOP
Relay #4
Ice Building Relay
J2-10 NO, J2-11 NC,
Output modules*
J2-12 common
1A17 Optional Dual Analog
EXOP
Signal #1
External Base Loading
J2-1 Output #1,
Input/Output Module
Setpoint input
J2-3 Ground
1A17 Optional Dual Analog
EXOP
Signal #2
Refrigerant monitor inputs
J2-4 Output #2,
Input/Output Module
J2-6 Ground
1A18 Optional Dual LV
EXOP
Signal #1
External Base Loading
J2-1 Binary Input Signal #1,
Binary input module
Enable or Disable input, points J2-2 Ground
1A18 Optional Dual LV
EXOP
Signal #2
External Hot Water Control
J2-3 Binary Input Signal #2,
Binary input module
Enable or Disable input
J2-4 Ground
1A19 Optional Dual LV
EXOP
Signal #1
Ice Building Control
J2-1 Binary Input Signal #1,
Binary input module
Enable or Disable input point
J2-2 Ground
*previously was 1A10
Refrigerant Monitor Input 1A17
Analog type input 4-20ma input signal to the 1A17 J2-4 to J2-6 (ground). This represents 0-100 ppm.