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t
- t
HV
HR
P2
10 K
P2 (
)
9 K
P2
7 K
P2 (
)
6 K
P2
0 K
Fig. 45
[P2] Heat carrier pump G2
[P3] Collector circuit pump G3
[t
] Temperature collector circuit out T11
SA
[t
] Temperature collector circuit in T10
SE
[t
] Temperature heat transfer fluid out T8
HV
[t
] Temperature heat transfer fluid in T9
HR
18
INSTALLER MENUS
18.1 ACCESS TO THE FUNCTIONS ON INSTALLER LEVEL
A four digit access code is required to switch from Customer level to
Installer level in the menus. The access code is the present date given as
two digits for the month and two digits for the date (for example 0920).
▶ Go to Access level under Menu at Customer level.
▶ Enter the four digit access code using the menu dial. Press the menu
dial after setting each digit.
Access = Installer shown in the menu window.
▶ Turn the menu dial to see the menus in the top level.
All functions at Customer level and Installer level can now be reached.
The control unit returns automatically to Customer level:
• After 20 min (adjustable value, Chapter 20.7).
18.2 CAN-BUS LCD
Install/set room controller for the respective circuit according to
separate installer guide. For more information ( Chapter 13.11.4).
18.3 TEMPERATURE SENSOR
The control unit controls the production of heat, hot water, etc., after
signals from a great number of temperature sensors. Most signals that
can appear in the display are listed here.
Complete component names are displayed in the control
unit only when needed. If, for example, you are in a menu
which refers only to circuit 2, the sensor names are
indicated without E12. before the sensor name.
The complete name is always presented in alarm
information so as to facilitate troubleshooting. Full
names can also be found on drawings and in system
solutions.
6 720 806 768 (2013/02)
t
- t
SE
SA
P3
5 K
P3 (
)
3 K
P3
2 K
P3
6 720 612 299-04.3O
T1
Flow, circuit 1
E11.T1
T2
Out
E10.T2
T3
Hot water (if hot water production)
E41.T3
T5
Room, circuit 1 (option, CAN-BUS sensor)
E11.TT.T5
T6
Hot gas
E21.T6
T8
Heat transfer fluid out
E21.T8
T9
Heat transfer fluid in
E21.T9
T10
Collector circuit in
E21.T10
T11
Collector circuit out
E21.T11
T1
Flow, circuit 2 (if circuit 2 is used)
E12.T1
T5
Room, circuit 2 (option)
E12.TT.T5
Table 22 Temperature sensor
The sensors name in heat pump 2 is:
E22.T6
Hot gas
E22.T8
Heat transfer fluid out
E22.T9
Heat transfer fluid in
E22.T10
Collector circuit in
E22.T11
Collector circuit out
Table 23 Sensors, heat pump 2
The control unit recognizes which sensors are installed and
acknowledges them automatically. An accessory sensor can be
deacknowledged manually in the control unit. This makes it possible to
remove the sensor from the control unit if it is not used.
SENSORS FOR OPTIONS
Circuits 3, 4 etc.
E13.T1
Flow, circuit 3
E13.TT.T5
Room, circuit 3 (accessory)
E14.T1
Flow, circuit 4
E14.TT.T5
Room, circuit 4 (accessory)
Table 24 Sensors, circuit 3, 4
The control unit recognizes which sensors are installed and
acknowledges them automatically. An accessory sensor can be
deacknowledged manually in the control unit. This makes it possible to
remove the sensor from the control unit if it is not used.
INSTALLER MENUS
37
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