General Commissioning Of The User Interface; System Handover; Service Menu; Menu: Set Additional Heater - Bosch Compress Hybrid 3400i AW Installation Instructions Manual

Indoor unit for air to water heat pumps
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8.3

General commissioning of the user interface

1. Do proper coding of the accessory modules (observe instructions of
the modules).
2. Switch on the system.
3. If installed, commission the remote room control (observe the
operating instructions of the remote room control).
4. Once the user interface HPC 410 is connected to the power supply,
the Language menu appears on the display. Make adjustments by
turning and pressing the selector.
5. Set the language.
The display changes to the Date menu.
6. Set the date and confirm with Next.
The display changes to the Time menu.
7. Set the time and confirm with Next.
The display changes to the Country information menu.
8. Set the country and confirm.
The display changes to the Buffer cyl. menu.
9. Select Yes if a buffer cylinder is installed and confirm. Otherwise
1)
select No and confirm
.
The display changes to the Configuration wizard menu.
10.Start the configuration wizard with Yes (or skip with No).
11.Check and, if necessary, adjust the settings in the service menu and
perform configuration of specific modules (e.g. solar).
12.Remedy warning and fault displays, if necessary, and reset fault
history.
13.Name heating circuits ( operating instructions).
14.System handover ( Chapter 8.4).
8.4

System handover

▶ Enter the contact details of the responsible contractor in the
Diagnosis > Maintenance > Contact addr. menu, e.g. company
name, phone number and address or e-mail address.
▶ Explain to the customer how the user interface and the accessories
work and how to operate them.
▶ Inform the customer about the selected settings.
8.5

Service menu

8.5.1

Menu: Set additional heater

Make the additional heater general settings in this menu. These settings
are only available if the system is designed and configured accordingly
and the type of appliance used supports this setting.
1) The buffer cylider option is not available for Air/Water indoor units with
integrated buffer cylinder (AWMB).
30
Menu item
Control range: Function description
Gen. additional
These settings are valid for all types of additional heaters.
heater settings
[Additional heater on delay]:
10...300...1000 K x min
The additional heater is switched on after a set delay. The
delay is depending on time and deviation from desired flow
temperature.
[Mode after EVU block]:
[Comfort]: The heat pump is allowed to start immediately
after the blocking period.
[ECO]: The heat pump is allowed start with a delay after
the blocking period.
[Auxiliary heater only]: [Yes] | [No]:
This setting specifies whether the additional heater should
be the only heat source or not.
[Switch off add. heater]: [Yes] | [No]:
This setting specifies whether the heat pump should be the
only heat source or not. If blocking is selected the
additional heater will still be available during extra DHW,
thermal disinfection or alarm operation.
[Max. add. heater temp.]: This setting specifies whether
the additional heater should be blocked or limited while the
heat pump is running close to its maximum flow
temperature. The setting is activated by selecting and
setting the offset.
[Maximum limit]: Below this offset from the flow
temperature the additional heater is blocked.
[Limit start]: Below this offset from the flow temperature
the additional heater is limited.
Table 11 Settings in the additional heater data menu
8.5.2

Menu: Auxiliary heater with mixer

Make the mixed auxiliary heater specific settings in this menu. These
settings are only available if the system is designed and configured
accordingly and the type of appliance used supports this setting.
Menu item
Control range: Function description
Mixed aux. heat.
[230V] The mixed additional heater is controlled by on/off
conn
signal.
[0-10V] The mixed additional heater is controlled based
on power demand.
Delay time for
[0...120] min: Set the delay for opening of the mixing valve
mixer
to allow the auxiliary heater to preheat.
Mixer run time
[1...120...6000] s: Set the runtime for the mixing valve to
go from one end point to the other.
Alarm input logic
[Open contact] | [Closed contact]: Set if the auxiliary
heater has a "NO" or "NC" output for the alarm.
Outs. temp par.
[-20...20] °C: The auxiliary heater is allowed to start in
1)
mode
parallel operation below the set outdoor temperature.
Bival. pt. parallel
2)
mode
Outdr temp switch
[-20...20] °C: The auxiliary heater is allowed to start and
1)
mod
the heat pump is blocked below the set outdoor
temperature (Alternating operation).
Bival. pt. switch
2)
mode
Add. heater DHW
[Yes] | [No]: Choose if the DHW cylinder has an electric
cylinder
additional heater installed. [Yes] means that it can be
activated when required.
1) Not available if Germany is set as country.
2) Only available if Germany is set as country.
Table 12 Settings in the auxiliary heater data menu
Compress Hybrid 3400i AW – 6721861825 (2023/08)

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