Viessmann C3TB, Инструкции по установке и обслуживанию для подрядчиков

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90
A
B
Boiler
water
or
flow temperature
in °C
90
+20 -20
Outside temperature in °C
3.5
1.4
0.2
Fig. 85
A
Changing the slope
B Changing the level (vertical parallel offset of the
heating curve)
Extended menu:
1.
å
2. "Heating"
3. Select heating circuit.
4.
"Heating curve"
5. "Slope" or "Level"
6. Select heating curve according to the system
requirements.
Calling up and resetting "Service" on the programming unit of the gas condensing
module
In the following cases, "Service" and "
¸
" will appear
in the display (red fault indicator flashes):
■
The limits specified in coding addresses "21" and
"23" in the
"Boiler" group have been reached
■
The fuel cell module requires a service.
Scanning service messages
1. OK
2. / for "Auxiliary heating appliance" or "fuel cell"
3. OK
■
Gas condensing boiler: To display the reason for
maintenance
Auxiliary heating appliance
Acknowledge with
Burner
OK
05500 h
Fig. 86 Example
■ Fuel cell module: To display the time remaining
before a service is due
4. Pressing displays information on the service due.
Acknowledging and resetting service indicator
Press OK to acknowledge a service message.
Note
An acknowledged service message that was not reset
reappears the following Monday.
After a service has been carried out (resetting
service indicator)
1. Press OK and
å
simultaneously for approx. 4 s.
2. "Service functions"
3. "Service indicator reset"
Note
The selected service parameters for hours run and
time intervals restart at 0.
Mounting the cover panel and front panel (fuel cell module)
■ To mount the cover panel see page 64.
■ Mount the front panels; see page 44.
Commissioning, inspection, maintenance
Adjusting the heating curves
(cont.)
5775 636 GB