EPH Controls A27-HW User manual

CAUTION!
Before commencing, disconnect the
device from the mains. There are parts that
carry mains voltage behind the cover. Never
leave unsupervised when it is open. (Prevent
non specialists and especially children from
gaining access to it.)
Never remove this product from the
electrical baseplate. Disconnect from mains
supply in the event of any damage to any
buttons. Do not use sharp tools to push any
button.
A27-HW - 2 Zone Programmer Operating Instructions
Page 1 of 2
Lower the cover on the front of the unit.
Move the selector switch to the PROG SET position.
You can now program the hot water.
Press the‘ ’ or ‘ ’ buttons to adjust the P1 ON time. Press the ‘OK’ button.
Press the‘ ’ or ‘ ’ buttons to adjust the P1 OFF time.Press the ‘OK’ button.
Repeat this process to adjust the ON & OFF times for P2 & P3.
Press the ‘Heating Select’ button and repeat the above process to adjust for
HEATING.
When completed, move the selector switch to the RUN position.
4. Setting the date and time
1. Factory default settings
6. Adjusting the program settings
2. Factory program settings
Program: 5/2D
Backlight: On
Keypad: Unlocked
Copy function may only be used if the timeswitch is in the 7d mode.
Lower the cover on the front of the programmer.
Move the selector switch to the PROG SET position.
Set the ON & OFF times for the day of the week you wish to copy from.
Press the ‘Holiday’ button for 2 seconds.
The next day of the week will begin to ash.
Press the ‘ ’ button to copy the ON & OFF times to this day.
Press the ‘ ’ button to skip a day.
ON & OFF times can be copied to multiple days by using the ‘ ’ button.
Press the ‘OK’ button when copying has been completed.
When completed, move the selector switch to the RUN position.
RUN
CLOCK
SET
PROG
SET
3. Resetting the programmer
Contents
1. Factory default settings
2. Factory program settings
3. Resetting the programmer
4. Setting the date and time
5. ON/OFF period selection
6. Adjusting the program settings
7. Copy function
8. Reviewing the program settings
9. +1HR function
10. Advance function
11. Holiday mode
12. Backlight mode selection
13. Keypad lock and unlock
This 2 zone programmer is designed to
provide ON/OFF control for 2 zones.
It is necessary to press the‘RESET’ button prior to initial programming.
This button is located behind the cover on the front of the unit.
Press the ‘RESET’ button.
‘rst No’ appears on the screen.
Press ‘+’ and Press ‘OK’.
The programmer is now ready to be programmed.
Lower the cover on the front of the unit.
Move the selector switch to the CLOCK SET position.
Press the‘ ’ or ‘ ’ buttons to select the day. Press the‘OK’ button.
Press the‘ ’ or ‘ ’ buttons to select the month. Press the‘OK’ button.
Press the‘ ’ or ‘ ’ buttons to select the year. Press the‘OK’ button.
Press the‘ ’ or ‘ ’ buttons to select the hour. Press the‘OK’ button.
Press the‘ ’ or ‘ ’ buttons to select the minute. Press the‘OK’ button.
Press the‘ ’ or ‘ ’ buttons to select 5/2D, 7D or 24H Press the‘OK’ button.
The date, time and function are now set. Move the selector switch to the RUN
position to run the program, or to the PROG SET position to change the
program setting.
AUTO The programmer operates 3 ‘ON/OFF’periods per day.
ALL DAY The programmer operates 1’ON/OFF’ period per day.
This operates from the rst ON time to the third OFF time.
ON The programmer is permanently on. **ON**
OFF The programmer is permanently o. **OFF**
Lower the cover on the front of the unit. By pressing the ‘HOT WATER SELECT’
button, you can change between AUTO / ALL DAY / ON / OFF for hot water.
Repeat this process for heating by pressing the‘HEATING SELECT’ button.
5. ON/OFF period selection
There are 4 modes available on this programmer for users to choose for their
individual application.
7. Copy function
Important: Keep this document
RUN
CLOCK
SET
PROG
SET
Mon-Fri
Sat-Sun
5/2D
P1 ON P1 OFF P2 ON P2 OFF P3 ON P3 OFF
6:30 8:30 12:00 12:00 16:30 22:30
7:30 10:00 12:00 12:00 17:00 23:00
7D
P1 ON
Mon-Fri
Sat-Sun
P1 OFF P2 ON P2 OFF P3 ON P3 OFF
6:30 8:30 12:00 12:00 16:30 22:30
7:30 10:00 12:00 12:00 17:00 23:00
Everyday
24H
P1 ON P1 OFF P2 ON P2 OFF P3 ON P3 OFF
6:30 8:30 12:00 12:00 16:30 22:30
RUN
CLOCK
SET
PROG
SET
20221005_A27-HW_Opsins_PK
EPH Controls Ireland
[e-mail] www.ephcontrols.com
EPH Controls UK
[e-mail] www.ephcontrols.co.uk

A27-HW - 2 Zone Programmer Operating Instructions
Page 2 of 2
8. Reviewing the program settings
9. +1 HR function
10. Advance function
This function allows the user to bring forward the next switching time.
If the zone is currently timed to be OFF and the ADV is pressed, the zone will
be switched ON until the end of the next switching time.
If the zone is currently timed to be ON and the ADV is pressed, the zone will
be switched OFF until the end of the next switching time.
Press the required button:‘ADV’ HOT WATER or ‘ADV’ HEATING.
To cancel the ADVANCE function, simply press the respective ADV button
again.
Lower the cover on the front of the unit.
Move the selector switch to the PROG SET position.
By pressing the ‘OK’ button, this will review each of the ON/OFF times for P1
to P3 for hot water.
Repeat this process to review the ON/OFF times for heating by pressing the
‘HEATING SELECT’ button and then pressingthe ‘OK’ button.
When completed, move the selector switch to the RUN position.
This function allows the user to extend the ON period for 1 hour, 2 hours or 3
hours.
If the zone that you wish to Boost is timed to be OFF, you have the facility to
switch it ON for 1 hour, 2 hour or 3 hours.
Press the required button: ‘+1HR’ HOT WATER or ‘+1HR’ HEATING, once for 1
hour, twice for 2 hours and 3 times for 3 hours.
To cancel the boost function, simply press the respective ‘+1HR’ button again.
11. Holiday mode
Lower the cover on the front of the unit.
Move the selector switch to the RUN position.
Press the ‘Holiday’ button.
The current date will ash on the screen.
It is now possible to enter the date when you plan to return.
Press the‘ ’ or ‘ ’ buttons to adjust the holiday period required.
Press the ‘OK’ button.
The programmer is now switched OFF for the selected number of days.
By pressing the ‘OK’ button again, this will cancel the holiday mode,
thereby returning the programmer to the normal setting.
RUN
CLOCK
SET
PROG
SET
Unlocked
13. Keypad lock and unlock
To lock the keypad, press and hold the‘OK’ and ‘Holiday’buttons for 5
seconds.
will appear on the screen. The keypad is now locked.
To unlock the keypad, press and hold the‘OK’ and ‘Holiday’ buttons
for 5 seconds.
will disappear from the screen. The keypad is now unlocked.
RUN
CLOCK
SET
PROG
SET
RUN
CLOCK
SET
PROG
SET
There are two settings for selection. The factory default setting is ON.
ON The backlight is permanently ON.
AUTO On pressing any button the backlight stays on for 10 seconds.
To adjust the backlight setting, lower the cover on the front of the unit.
Move the selector switch to the RUN position.
Press the ‘OK’ button for 5 seconds.
will appear on the screen.
Press either the‘ ’ or ‘ ’ buttons to select the ON or AUTO mode.
Press the ‘OK’ button.
On
12. Backlight mode selection
20221005_A27-HW_Opsins_PK
EPH Controls Ireland
[e-mail] www.ephcontrols.com
EPH Controls UK
[e-mail] www.ephcontrols.co.uk