Ortech Y-H2, Operation & Installation Instructions, Page: 16 / 61

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A B C LED screen D E F
1) Press A, the fan runs at low speed. Press again, the fan turns off.
2) Press B, the fan runs at medium speed. Press again, the fan turns off.
3) Press C, the fan runs at high speed. Press again, the fan turns off.
4) Press D, turn on the light. Press it again, turn off the light.
5) When fan is ON, touch E once for a three-minute delay power off.
When fan is OFF, touch E for 3 seconds to set clock, you can touch D to set hour, C to set minutes, and then
touch E again to keep setting.
6) Press F, turn on power. Press it again, turn off power.
J. Touch and remote control with smoke or heat sensor (S4A)
1) Press A, the fan runs at low speed. Press again, the fan turns off.
2) Press B, the fan runs at medium speed. Press again, the fan turns off.
3) Press C, the fan runs at high speed. Press again, the fan turns off.
4) Icon D is receiver for the remote control.
5) Press E, turn on the light. Press again, turn off the light.
6) When fan is ON, touch F once for a three-minute delay power off.
7) When fan is OFF, touch B to set clock, you can touch E to set hour, C to set minutes, and then touch F once
to keep setting.
8) When fan is OFF, touch A to let the smoke detector preheat for one minute and then come into automatic
working mode. Press A again to quit this mode.