79
Brief scan
Display
OpenTherm extension (if installed)
F
9
Software ver-
sion
DHW heating sta-
tus
External hook-up 0
–
10 V
Display in %
Checking outputs (actuator test)
Weather-compensated control unit
1. Press
OK
and
å
simultaneously for approx. 4 s.
2.
"Actuator test"
The following relay outputs can be controlled subject to the system equipment level:
Display
Explanation
All actuators
OFF
All actuators have been switched off.
Base load
ON
Burner operates at minimum output; internal pump starts.
Full load
ON
Burner operates at maximum output; internal pump starts.
Output, internal
ON
Internal output
sÖ
active (internal circulation pump)
Output 21/28
ON
Internal output
sA
active (circulation pump for cylinder heating)
Valve
Heating
Diverter valve set to heating mode
Valve
Centre
Diverter valve in central position (filling/draining)
Valve
DHW
Diverter valve set to DHW heating
Heating circuit pump
HC2
ON
Heating circuit pump output active (extension to heating circuit with
mixer)
Mixer HC2
Open
"Mixer open" output active (extension to heating circuit with mixer)
Mixer HC2
Close
"Mixer close" output active (extension to heating circuit with mixer)
Heating circuit pump
HC3
ON
Heating circuit pump output active (extension to heating circuit with
mixer)
Mixer HC3
Open
"Mixer open" output active (extension to heating circuit with mixer)
Mixer HC3
Close
"Mixer close" output active (extension to heating circuit with mixer)
Outp. int. exten. H1
ON
Output
sÖ
/
sK
at internal H1/H2 extension enabled
AM1 output 1
ON
Output A1 at AM1 extension active
AM1 output 2
ON
Output A2 at AM1 extension active
EA1 output 1
ON
Contact P - S at plug
aBJ
of EA1 extension closed
Constant temperature control unit
1. Press
OK
and
å
simultaneously for approx. 4 s.
"
Ü
"
flashes on the display.
2. Select
" "
with
Ú
and confirm with
OK
.
3. Select required actuator (output) with
V
/
v
(see fol-
lowing table):
4. Confirm selected actuator with
OK
.
The display shows the number for the activated
actuator and
"ON"
.
Diagnosis and service scans
Diagnosis
(cont.)
5773 216 GB
Diagnosis
Содержание B2TA
Страница 12: ...12 2 5 1 4 2x 3 Fig 5 Installing the boiler Removing the front panels 5773 216 GB Installation ...
Страница 13: ...13 1 2 SW17 Fig 6 Installing the boiler Siting and levelling the boiler 5773 216 GB Installation ...
Страница 23: ...23 4 1 5 2 2x 3 Fig 16 Installing the boiler Fitting the front panels 5773 216 GB Installation ...
Страница 101: ...101 Parts lists Overview of assemblies 5773 216 GB Components ...
Страница 107: ...107 Parts lists Hydraulics 5773 216 GB Components ...
Страница 118: ...118 0004 0002 0005 0006 0001 0003 Fig 77 Parts lists Miscellaneous 5773 216 GB Components ...
Страница 142: ...142 5773 216 GB ...
Страница 143: ...143 5773 216 GB ...