UPM Elite THM701, User Manual, Page: 34 / 40

31
Humidifier Wiring
To wire a humidifier, the 2 wires connecting the original humidistat need to be
connected to the 2 terminals marked 'H1' and 'H2' on the thermostat.
The original humidistat should be removed or set to 'OFF' position.
Note: The 2 humidifier control terminals 'H1' and 'H2' are electrically isolated from the
Heat/Cool terminals.
Note: H1 and H2 terminals are non polarized and there is no function difference between H1 and H2.
Humidistat should be
OFF or disconnected
G Y H2 H1
Rc Rh W/ B/O