MCO Home MH3900 User Manual

1. Description

Display interface and button description

Function Settings

Power on/off

Power ON: Under OFF interface，long press S2 key to power it up，thermostat enter in normal working interface.
Power OFF: Under normal working interface, long press S2 button to power it off, all output force OFF.

Temperature Setting

Under normal working interface, press S1 or S3 to modify the setting temperature, then press S2 as confirm or after
5sec without any operation, it will back to the normal working interface. The temperature setting range is 5-37℃.

S2 Key function


1) Z-wave network state：Under normal working interface，press S2 key to enter in Z-wave network state
interface，if shows
included in the network. Press S2 to switch to the next item or press S1/S3 to back to the normal working
interface.
Note：If the device is not with Z-wave function，then the above interface will not display.
2) Output state：Under normal working interface，press S2 twice to enter in the output state interface, if shows
means output state is ON，if shows
press S1/S3 to back to the normal working interface.
MH3900 User Manual
MH3900 is our new released smart heating thermostat, it can
automatically detect the indoor temperature and display the
relevant temperature value for heating control. It also can
automatically turn on/off the heating system according to the
temperature difference. The device can be remotely controlled by
Z-Wave network.
Button Description：
S1 Key：Up
S2 Key：Power on or off \Function\Confirm
S3 Key：Down
means the device is included in the network，if shows
means output state is OFF，press S2 to switch to the next item or
第 1 页
means the device is not