®
printed circuit board – SM20021
2.6 DIGITECH
Technical characteristics
Adjustments possible by service personnel only
Standard (86-176°F) / reduced (77-104°F) central heating temperature
Water hammer prevention function
Central Heating timer - (adjustable from 0 to 7,5 minutes)
Central Heating pump overrun timer
Minimum Gas pressure setting
Maximum Heating Load
User settings
On/Off
Heating Temperature setting (86-176°F) – (77-104°F)
Winter only mode
Operation/Functions display
Lock-Out
Water deficiency indicator
Temperature display
When the boiler is switched off at the switch on the control panel, the word OFF appears on the display.
The central heating frost protection system, nevertheless, remain enabled. If the boiler was previously
on, it is switched off and the post-ventilation, circulation pump and protection functions are enabled.
The remote control, where fitted, remains active and illuminated.
2.7 Control panel
LEGEND
1.
ON/OFF BUTTON
2.
HEATING TEMPERATURE CONTROL KNOB
3.
NOT OPERATIVE KNOB.
4.
OUTSIDE TEMPERATURE DISPLAY (ONLY
WITH OPTIONAL OUTDOOR SENSOR).
5.
SERVICE BUTTON.
6.
WINTER MODE SELECTION BUTTON.
7.
TERMINAL BOARD FOR EXTERNAL WIRING.
8.
TEMPERATURE, ERROR CODE AND
OPERATING STATUS DISPLAY.
INSTALLATION INSTRUCTIONS
9
8
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3
4
5
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7