General area Part 2: Overview of display values and settings
16
~ Hinged cover OPEN search for level to the left with Ç,
open with Ä
Service
This area contains values for the customer service engi-
neers in order to provide rapid access.
(Select operating level using Ç and open with Ä)
Relay test => Value group (code no. required)
(General -> Service level)
Select relay using Ç => relay switches
00 No relay
01 Pump, heating circuit 1
02 Mixer OPEN, heating circuit 1
03 Mixer CLOSED, heating circuit 1
04 Pump, heating circuit 2
05 Mixer OPEN, heating circuit 2
06 Mixer CLOSED, heating circuit 2
07 Burner 1 ON
08 Burner 1 and 2 ON (2 after 10 seconds)
09 Hot water charging pump
10 Timer-controlled relay (multifunction relay 2)
11 Temperature-controlled relay (multifunction relay 1)
A code number must be entered for this function.
Ä Select Relay Test => "Code number" level
Code number Entry
Ä Start code number entry => [LED]
Ç Select 1st digit
Ä Confirm entry
Ç Select 2nd digit
Ä Confirm entry
Ç Select 3rd digit
Ä Confirm entry
Ç Select 4th digit
Ä Confirm entry
=> "Relay Test"
RELAY TEST
Ä Start relay test
Ç Select relay => Relay switches
Ç Select next relay or use
Ä to stop relay test
Start sensor test with Ä, use Ç to select sensor =>
temperature is displayed; Use Ä to stop sensor test
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