Verdant VX Series, Installation Manual

Page: 46 / 52

IN ORDER TO ENABLE THIS MODE THE THERMOSTAT “EQUIPMENT
SETTINGS” MUST BE SET TO COOL ONLY - “200” OR “201”.
46
Relay Options
2 – COOLING ONLY “SPDT” VALVE CONTROL
Enable or disable relay control for Single-Pole Double-Throw (SPDT) valve
in a cooling only system that requires separate signals for opening and
closing the valve:
DIS
* DISABLED
ENB
ENABLED
* Indicates default setting;
When this mode is enabled, thermostat will energize the “Y” output to
open the valve when there is a request for cooling and energize the “W”
output to close the valve when there is no request for cooling.
➤
Use the “Up” and “Down” buttons to change the setting value;
➤
Press the “F/C” button to go to the next setting screen;
➤
Press the “Power” button to save and exit thermostat settings;