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1. First Service Level
Desciription
Display Range Default Value
1.A To decrease max heating power (%) 21 - U0 U0 (=100)
1.b To decrease max DHW power (%) 21 - U0 U0 (=100)
1.E
Pump switching type codes (1=depends on burner
2= room term.,3=outdoor thermostat )
1 - 3 2
2.b Max. CH flow temperature
45 - 82°C
40 - 88°C
-82°C
-88°C
(°C) Z.C-3, Z.E-5
Z.C-3
Z.E-5
2.F Operation mode: (0= normal, 1= min. power
2=max. power)
0 - 2 0
2.d Legionalle protection (0=off , 1=on)
Adjust anti cycle time
0 - 1 0
3.b 0 - 15 min. 3 min.
3.C Adjust anti cycle flow temperature differenttial(K) 0 - 30 K 10 K
3.d Adjust min power 21 - U0 21
3.E The period activeting keep hot function(comfort mode) 20 - 60 20 min.
3.F Min. time for keeping hot 0 - 30 5 min.
4.b Max. preheating temperature for comfort function 40 - 60 60 ºC
4.C Hot water on demand 0 - 1 1 ( 0=inactive 1=active)
4.E Appliance type (0=only heating, 1=kombi, 2= tank (NTC)
3=tank with thermostat, 4=Stratification tank
0 - 4
(automoticly determined)
(automoticly determined)
Error code
5.b Fan overun time 1 - 18 (x10) sec. 3 (=30 sec.)
5.C Clock type (0=two channels,
1=one channel-CH circuit,2=one channel-DHW circuit)
0 - 2 0
6.A Show last fault
00 - FF
6.b
Display room thermostat voltage input (V)
(only for 1-2-4 connections)
0 - 24
Display
measured value
3.4. Service Functions
The service functions are divided into two levels: The 1st
level includes service function upto 7.C. the 2 nd level
includes service functions from 8.A
3.4.1 1st Level Service Mode
Selectiny service functions
To change or examine a service function:
? Push the button approximately 5 seconds(in display –
is seen.)Stop pushing the button when the button's light is
on. In display service function with number and letter are
demonstrated. (eg:1.A).
? Push either or buttons until desired service code
is displayed.
?Push once the buton After then the button's ligth will
be on and the chosen value will be demostrated in the display.
To change/arrange service function:
?Push either or buttons until desired service code is
displayed
To store a value:
?Push the button and keep on pushing until is
demonstrated. The CH flow temperature again will be
demonstrated in display.
To leave the service mode:
?To leave the service plane push the button. the CH
flow temperature will be displayed again
Functions of Heatronic 3
Service
Mode
6 720 660 238 (2008/07)
17
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