INSTALLATION INSTRUCTIONS
9
2.6 DIGITECH
®
TR Printed Circuit Board (MIAH6)
Technical characteristics
Adjustments possible by service personnel only
•
Standard (30/80°C) / reduced (25-45°C) 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
•
Central heating maximum and minimum Set Point adjustment
•
Domestic Hot Water maximum Set Point adjustment
User settings
•
Heating Temperature setting (30-80°C) – (25-45°C)
•
D.H.W. temperature setting (35-60°C)
•
Summer only mode / Winter only mode / Winter mode selection
Operation/Functions display
•
Lock-Out
•
Water law pressure
•
Temperature display
•
Flame presence ON (2 power steps)
During the boiler operation the display can show 2 different power levels according to the flame modulation
of the boiler (see fig. 2)
•
Error history display (last 5 errors)
To switch the boiler OFF, press
INFO button, the word OFF appears on the display. The central
heating frost protection system remains enabled.
If the boiler was previously ON, it is switched OFF and the fan overrun and pump overrun functions are
enabled.
2.7 Control panel
Key
1. HEATING TEMPERATURE SETTING BUTTONS
2. INFO BUTTON:
PRESS ONCE
TO DISPLAY
TEMPERATURES AND INFO (see 2.8 INFO menu
display); KEEP IT PRESSED FOR 5 SECONDS (IN OFF
MODE) TO DISPLAY THE LAST 5 ERRORS.
3. MODE SELECTION BUTTON:
SUMMER ONLY / WINTER
ONLY / SUMMER-WINTER / OFF.
4. RESET BUTTON:
ERROR RESET – FLUE TEST
FUNCTION ACTIVATION (CHIMNEY-SWEEPER - KEEP
IT PRESSED FOR 7 SECONDS)
5. DOMESTIC HOT WATER TEMPERATURE SETTING
BUTTONS.
KEEP BUTTONS ‘+’ AND ‘-‘ PRESSED FOR
5 SECONDS TO ACTIVATE THE DISPLAY BACKLIT
MODE FOR A CONTINUOUS PERIOD OF 10 MINUTES.
6.
TERMINAL BLOCK FOR EXTERNAL WIRING
7.
LCD DISPLAY.
1
2
3
4
5
6
7
50%
100 %
Fig. 2
Summary of Contents for RSA 24 /8
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