HAMWORTHY HEATING LTD
40
MILBORNE
500001130/J
8.9.1 Programming Mode
(restricted to Authorized Personnel and the Manufacturer only)
A Password is needed to modify these parameters. Only authorised personnel can enter the password and then
modify the user and service parameters.
Step Procedures Button
Required
Display
1. Mode display is reading high temperature circuit
at flow temperature at 80°C
2.
Press S2 (SET/ESC) followed by S6 (Prog/OK).
After 5 seconds the second and third digit will
start flashing.
3. Use S4 (+) and S5 (-) to enter the second figure
of the password on the right hand digit
(e.g. password = x2)
4. Press S6 (Prog/OK) and store the second figure
of the password.
5. Use S4 (+) and S5 (-) to enter the first figure of
the password on the central digit.
(e.g. password = 22)
6. Press S6 (Prog/OK) to store the password. If the
password is wrong, the display will return to
mode position
7
Use S4 (+) and S5 (-) to scroll all password
protected parameter addresses. Press S2 (Set/
Esc) to select the parameters for modification.
Parameter address and its respective value will
alternate on the display
See parameter list for address
and range settings
8. Use S4 (+) and S5 (-) to change the value of the
selected parameter. Every time one of these
keys is pressed the alternating of the parameter
address and the value is stopped for 5 seconds
and only the value is shown.
9. Press S6 (Prog/OK) to accept and store the new
value. The display will return to the display at
step 6. To check and alter further parameters
return to step 7 and follow through.
Figure 8.9.1 - programming parameters
