User manual

21
4.2 Programming the engineering functions
All engineer functions are displayed as a code in the first two digits if the
display, e.g. C1, t1, t2 and a variable in the second two digits.
Press the SET button to cycle through the engineering variables until the
desired variable is displayed.
Pres OK button to accept this variable. The variable value (second two digits)
will start flashing.
Press the + or – buttons until the desired variable value is displayed.
Press OK to accept this value. The variable value will stop flashing.
Press the SET button to advance to another variable.
The Engineer Variables
Code Name Properties Default Values Meaning
H1 On
Hours
Read
Only
00 00 to
65
Displays the relay ‘on’ hours
since last service reset in units
of 1000 hours. Reset is
achieved by pressing the
RESET button whilst the log is
displayed.
H1 is displayed for zones 1 to 6
in order.
H2 Saved
Hours
Read
Only
00 00 to
65
Displays the saved relay ‘on’
hours since last service reset in
units of 1000 hours. Saved
hours are the times when the
time program is on but the
control relay is not on. Reset is
achieved by pressing the
RESET
button whilst the log is
displayed.
H2 is displayed for zones 1 to 6
in order.
H3 Service
Hours
Read
Only
12 00 to
65
Relay ‘on’ hours limit before
service icon displayed in units
of 1000 hours. The number of
relay ‘on’ hours allowed before
the [SERVICE] icon is
displayed.
H3 is displayed for zones 1 to 6
in order.