Roberts Gorden BZC 100, Operation Manual, Page: 10 / 16

6
Use 24 hour clock notation for the start of DAY
TEMPERATURE (mistakes may be rectified by
pressing DEL) and then press ENTER.
NOTE: When entering a start time, it is not necessary to
allow a warm-up period prior to the start of the
required day temperature. This is automatically
calculated by the ROBERTS GORDON
® BZC 300
or BZC 100 Controller giving the required temper-
ature at the time set.
4.3.5 The screen will now show:
Enter end time 1700.
The screen will now show:
Press ENTER.
4.3.6 The screen will now show:
Press ENTER, to skip without altering the setting.
The reason for leaving the start and end times
blank is because in this example we are only using
one switching period per day.
Repeat as above for periods 3 and 4 for Monday.
4.3.7 The screen will now show:
Pressing the PROG key at this point will copy all of
Monday’s switching times to Tuesday.
4.3.8 The screen will now show:
Pressing the PROG key at this point will copy the
times from Tuesday to Wednesday. Repeat this for
Thursday and Friday.
4.3.9 The screen will now show:
For Saturday, the switching period is different from
the weekday settings. The new settings must be
entered.
Enter start time 0800, Press ENTER.
The screen will now show:
Enter end time 1200.
The screen will now show:
Press ENTER.
Leave the start and end times blank for periods 2,
3 and 4 because in this example we are only using
one switching period on Saturday.
As no switching times are required for Sunday, press
RUN to save the settings and return to the menu.
The process described above must now be
repeated for each heating zone to be altered.
4.3.10 If any mistakes were made during the program-
ming sequence, see Page 5, Section 4.1 for cor-
rective action.
4.3.11 Press RUN to return to Normal (Run) Mode.
NOTE: If remote time enable is to be used, leave all
switching periods set to 00.00.
4.4 MANUAL OVERRIDE TEMPERATURE
4.4.1 To manually override temperature, first use the
SCROLL key to display the zone you wish to alter.
Example for zone 1 is shown below:
The set point temperature appears in the brackets.
4.4.2 Pressing the UP(3) and DOWN(7) arrow keys will
increase or decrease the set point (in increments
of 1
O ) for the displayed zone within pre-set limits.
NOTE: Changing the set point for the daytime tempera-
ZONE1 (20) :17
HEAT ON
DAY PERIOD 1 SAT
S:08.00 E:12.00
DAY PERIOD 1 SAT
S:08.00 E:00.00
DAY PERIOD 1 SAT
S:00.00 E:00.00
DAY PERIOD 1 WED
S:00.00 E:00.00
DAY PERIOD 1 TUE
S:00.00 E:00.00
DAY PERIOD 2 MON
S:00.00 E:00.00
DAY PERIOD 1 MON
S:08.00 E:17.00
DAY PERIOD 1 MON
S:08.00 E:00.00
ROBERTS GORDON
®
BZC
100
AND BZC
300
OPERATION MANUAL