Inputs and outputs configuration, Inputs and outputs confi guration – WaterFurnace Envision Hydronic (NDW) User Manual
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NDW INSTALLATION MANUAL
DUAL STAGE WW
Input Name
Input
Output Name
Output
Entering Load Water Temperature
AI 1
Compressor 1
DO1
Leaving Load Water Temperature 1
AI 2
Compressor 2
DO2
Source Heating Freeze Detection 1
AI 3
Reversing Valve
DO3
Source Heating Freeze Detection 2
AI 4
Accessory
DO4
Load Cooling Freeze Detection 1
AI 5
Compressor 1 Alarm
DO5
Load Cooling Freeze Detection 2
AI 6
Compressor 2 Alarm
DO6
Network Output
DO7
Load Flow Proving Switch
DI 1
Network Output
DO8
Emergency Shutdown
DI 2
Network Output
D09
Stage 2 Low Pressure
DI 3
Source Htg Freeze Detection Select - 30ºF DI 4
Future
PWM1
Load Htg Freeze Detection Select - 30ºF
DI 5
Future
PWM2
Stage 1 Low Pressure
DI 6
Thermostat Y1
DI 7
Thermostat Y2
DI 8
Thermostat B
DI 9
Source Flow Proving Switch
D10
Stage 1 High Pressure
DI11
Stage 2 High Pressure
DI12
XP10 Expansion Card
Input Name
Input
Output Name
Output
Entering Source Water Temperature
AI 1
Unused
DO 1
Leaving Source Water Temperature 1
AI 2
Unused
DO 2
Current Switch 1 - Compressor 1
AI 3
Unused
DO 3
Current Switch 2 - Compressor 2
AI 4
Unused
DO 4
Inputs and Outputs Confi guration