To eliminate the beeps when keys are pressed
follow the steps below.
1. Press and hold both the
(Down) buttons at the same time until a beep
is heard (approximately 5 seconds). Then,
release both buttons.
To turn on the beeps, repeat the above steps.
Figure 36
❶
42
1. To lock the controller, press and hold down
2. While holding down the "Priority" button,
(Up) and
3.
To unlock the controller, follow the above steps.
Demand Duo™ R-Series (REC) Installation and Operation Manual
the "Priority" button.
press the
(Up) button until a beep is heard
(approximately 5 seconds). Then, release
both buttons at the same time.
Figure 37
❷
appears in the display indicating the
controller is locked.
NOTE
The display flashes between
the set temperature to indicate the controller
is locked.
❶
and