without adjustment of the ramp rate, the controller can become out of step and appear
to switch off.
Putting the controller into, then out of 'Hold' mode will reset the ramp rate and force
the controller back into control.
3.5
The Timer
3.5.1
Starting the Timer
l
Start at the Home Display.
l
Press the Timer key once to start the timer.
If the 301 Controller is in 'Hold' mode, pressing the Timer key will automatically exit
'Hold' mode and the controller will start to operate.
3.5.2
Checking the Time Remaining
l
Start at the Home Display
l
Press the Timer key once to check the time remaining.
l
The display will flash
t-
3 times.
l
It will return to the Home Display automatically.
3.5.3
Pausing the Timer
l
Start at the Home Display
l
Press and hold the Timer key for 1.5 seconds; the dis-
play alternately shows
t1
and the current temperature.
l
To resume the timer, press the Timer key once.
23
3.0 301 Controller
Содержание TZF 12/65/550
Страница 7: ...Caution Double Pole Neutral Fusing 7 1 0 Symbols and Warnings ...
Страница 50: ...4 0 2132 Controller 4 7 Navigation Diagram 50 ...
Страница 72: ......
Страница 73: ...Notes Service Record Engineer Name Date Record of Work ...