Trane CenTraVac Duplex CDHF Operation & Maintenance Manual page 56

EXOP Extended Operation Option
The following modules (1A17, 1A18, and 1A19) are provide when this control package is specified.
1A5 Quad Relay
Output module
1A17 Optional Dual Analog
Input/Output Module
1A17 Optional Dual Analog
Input/Output Module
1A18 Optional Dual LV
Binary input module
1A18 Optional Dual LV
Binary input module
1A19 Optional Dual LV
Binary input module
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.
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Control System
Components
EXOP Relay #4 Ice Building Relay
EXOP Signal #1 External Base Loading
Setpoint input
EXOP Signal #2 Refrigerant monitor inputs
EXOP Signal #1 External Base Loading
Enable or Disable input, points J2-2 Ground
EXOP Signal #2 External Hot Water Control
Enable or Disable input
EXOP Signal #1 Ice Building Control
Enable or Disable input point
J2-10 NO, J2-11 NC,
J2-12 common
J2-1 Output #1,
J2-3 Ground
J2-4 Output #2,
J2-6 Ground
J2-1 Binary Input Signal #1,
J2-3 Binary Input Signal #2,
J2-4 Ground
J2-1 Binary Input Signal #1,
J2-2 Ground
CDHF-SVU01C-EN