Honeywell Sundial RF Pack 5 Wireless Enabled 2 Zone Programmer and Thermostats User Manual

11
PROGRAMMING YOUR  ST9520C
Exiting ZONE 1 Programming Mode:
To exit ZONE 1 programming mode, move the slider to the RUN position. This can 
be done at any time during the programming process, and any changes made and 
confirmed with the 
 button will have been saved.
Note: If the unit is left in ZONE 1 Programming mode for more than 10 minutes without the 
slider being moved or any buttons pressed, the message ‘MOVE SLIDER’ will be displayed.  
Press a button to continue programming, or move the slider...

12
OPERATING YOUR  ST9520C
Choosing the Operating Mode (for Zone 1 and/or Zone 2)
The operating mode may only be changed when the slider is set to the RUN position.
A  symbol is shown at the Zone 1 or Zone 2 side of the display during a 
programmed on period for that zone. A green  INDICATOR LAMP shows when the 
zone is switched ON.
Two  MODE buttons are provided to select the Operating Mode and therefore how 
the zones are controlled.
Each zone has four possible Operating Modes; these are OFF,  AUTO,...

13
OPERATING YOUR  ST9520C
The Extra Hour Function
The EXTRA HOUR buttons allow you to switch the zone ON for up to 3 extra hours 
without altering the programme. Pressing either button once will give one extra hour.  
The LoT™ Display will display the message ‘+ 1 HR’, to confirm the button has been 
pressed. 
When the zone is OFF (the appropriate  symbol is not displayed), pressing an  
EXTRA HOUR button switches the zone ON for just one hour.
When the zone is  ON (the appropriate  symbol is...

14
OPERATING YOUR  ST9520C
Enquiry Mode
As the heart of your system, the ST9520C has access to temperature information 
from the other system components, and allows you to enquire about this information.
To enter Enquiry Mode, ensure the slider is in the RUN position, then press and 
hold the 
 button for 4 seconds.
The  LoT™ Display will show the message ‘INFO MENU’ to confirm that you have 
entered Enquiry Mode.
Pressing the 
  or  buttons then allows you to step around and view the available...

15
FINE TUNING YOUR  ST9520C
Changing from AM/PM Time Display to the 24 Hour Clock
Your ST9520C can operate on the 12 hour AM/PM or 24 hour clock formats. To 
change the format, ensure the slider is in the RUN position then press and hold the 
  and  buttons together for about 2 seconds. Ignore the ‘NOT VALID’ message 
that will appear briefly. Then the displayed times will be changed automatically to 
the new format.
Repeating this procedure will change the clock display back to the original format....

16
To Enter Installer Mode:
a. Ensure the slider is in the RUN  position, then press and hold 
 and  buttons 
together for 8 seconds. Ignore the ‘NOT VALID’ message that is displayed for a 
few seconds. The message ‘SET UP MENU’ will show briefly, followed by ‘SET 
INSTALLER OK ?’
b.  Press the 
 button to take you into the Installer Mode Parameter Menu.
c.  Parameter 1 is now available to change. This is to allow you to change t\
he 
clock format from 12 hour AM/PM to 24 hour. At every step, the LoT™...

17
FINE TUNING YOUR  ST9520C
e. Press  to move to the next parameter available for editing.
f.   Keep pressing 
 to step around the list of parameters, and use   or  
buttons to change the parameter value.
g.  Any parameter changes that have been confirmed with the 
 button will be 
saved and used.
To Exit Installer Mode:
h.  You can exit Installer Mode at any time by moving the slider to the next \
position 
and then back again to RUN .
  Note: Installer Mode will exit automatically after 10 minutes if...

18
BOILER SERVICE REMINDER
If your house is rented, by Law, your gas boiler should be inspected once a year 
to ensure it is operating safely. Your ST9520C Programmer has a range of features 
designed to help make sure this service is carried out at the correct time. These 
features will be programmed by your Installer, Maintenance Engineer, or Landlord.
•	 If	it	has	 been	 set	to	do	 so,	 ST9520C	 will	display	 a	message	 on	the	 screen	 to	
remind you that a boiler service is due.
•	 If	 the	service...

19
Shut-down
If your ST9520C shows the words “SERVICE 
DUE” and “OFF” then your boiler service is 
overdue and the boiler has been automatically 
switched off to ensure your safety – you should 
arrange an immediate service visit.
If set to do so, it may be possible to obtain limited 
use of the boiler by pressing any EXTRA HOUR 
button. Each button press will allow operation of 
the boiler for 1 hour at a time, and the screen will 
display the message “On 1h” as shown. However, 
you should still arrange...

20
OPERATING YOUR  DT92E
Switching Off
Pressing the off/standby button  will switch the DT92E into off/
standby mode. The  symbol 
will show in the display, and the 
unit will control at the frost protect 
setpoint, as set at the ST9520C.
To switch back on, simply press 
the 
 button again.
 
Display Updates
To conserve battery power, DT92E only communi-
cates with ST9520C at regular intervals or when you 
press a button. This means there can be up to a 
few minutes delay between an action initiated on...