EPH R27-VF Operating Instructions - Page 2

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R27-VF - 2 Zone Programmer

8. Reviewing the program settings

Lower the cover on the front of the unit.

Move the selector switch to the PROG SET position.

By pressing

this will review each of the ON/OFF times for P1 to P3 for

Zone 1.

Repeat this process to review the ON/OFF times for Zone 2 by pressing

and then pressing

When completed, move the selector switch to the RUN position.

9. Boost function

This function allows the user to extend the ON period for 1, 2 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, 2 or 3 hours.

Press the required button,

three times respectively.

To cancel the boost function, simply press the respective boost button again.

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.

ZONE

Press

for Zone 1 and

ADV.

To cancel the ADVANCE function, simply press the rerspective ADV button

again.

11. Holiday mode

Lower the cover on the front of the unit.

Move the selector switch to the RUN position.

Press the

button.

Holiday

The current date and time will ash on the screen. It is now

possible to enter the date and the time when you plan to return.

Press the

buttons to adjust the holiday period requried.

Press the

button.

The programmer is now switched OFF for the selected number of days.

By pressing the

button again, this will cancel the holiday mode,

thereby returning the programmer to the normal settings.

12. Backlight mode selection

There are two settings for selection. The factory default setting is 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

button for 5 seconds.

Press either the

Press the

button.

CLOCK

SET

ZONE

for Zone 1,

for Zone 2. - once, twice or

Boost

ZONE

for Zone 2.

ADV.

CLOCK

SET

CLOCK

SET

buttons to select the ON or AUTO mode.

EPH Controls Ireland

[email protected] www.ephcontrols.com

13. Keypad lock and unlock

RUN

PROG

To lock the keypad, press and hold the

SET

seconds.

will appear on the screen. The keypad is now locked.

To unlock the keypad, press and hold the

seconds.

will disappear from the screen. The keypad is now unlocked.

14. Frost protection function

Selectable range 5~20°C. This function is set to protect pipes against

freezing or to prevent low room temperature when the programmer is

programmed to be OFF or is manually OFF.

Frost protection can be activated by following the procedure below.

Move the selector switch to the RUN position.

Press both the

Press either the

protection.

Press the

Press either the

frost protection setpoint.

Press the

Both HOT WATER and HEATING zones will be switched ON in the event of

room temperature falling below the frost protection setpoint.

When frost protection is enabled "Frost" will be visible on the screen.

When frost protection is activated "Frost" will ash on the screen.

15. Master reset

Lower the cover on the front of the programmer.

RUN

PROG

There are four hinges holding the cover in place.

SET

Between the 3rd and 4th hinges there is a circular hole.

Insert a ball point pen or similar object to master reset the programmer.

After pressing the master reset button, the date and time will now need

to be reprogrammed.

RUN

PROG

SET

EPH Controls UK

[email protected] www.ephcontrols.co.uk

Page 2 of 2

Operating Instructions

and

buttons for 5 seconds, to enter selection mode.

buttons to to turn On or turn O frost

button to con rm.

buttons to increase or decrease the desired

button to select.

Unlocked

Holiday

buttons for 5

Holiday

RUN

CLOCK

PROG

SET

20180621_R27-VF_OpIns_JW