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Hydro Unit
9
Start up and configuration
Select "Hydro Unit DN" in the FIELD SETTING MENU to change the Hydro DN codes.
Set the following initial settings and the other setting items. (Refer to page 28)
■
Setting Hydro DN codes
DN
DN Description
code
Used to activate external boiler output.
6B0
0 = external boiler output de-activated;
1 = external boiler output activated
Boiler install location
6B1
0 = Heating side after 3 way valve
1 = Before 3 way valve
Used to when an external cylinder thermostat is connected
6B2
0 = No external cylinder thermostat;
1 = External tank thermostat connected
Used to when an external room thermostat is connected
6B3
0 = No external room thermostat;
1 = External room thermostat connected
Used to determine type of 3 way diverting valve used on
system.
6B4
0 = 2 wire/spring return or SPST type valve;
1 = SPDT type valve
Synchronisation of Pump P2.
0 = P2 continuous operation (pump off when remote
6B5
controller switched off)
1 = Pump P2 off during heating and cooling mode is off or
hot water HP operation.
Used when a hot water cylinder is connected to system.
6B8
0 = hot water cylinder connected;
1 = hot water cylinder not connected
Used to activate Zone 1 Operation.
6B9
0 = Zone 1 activated;
1 = Zone 1 de-activated
Used to activate Zone 2 Operation.
6BA
0 = Zone 2 de-activated;
1 = Zone 2 activated
P1 Pump operation for heating
6D0
0 = Normally run
1 = Stopped at the outside temperature over 20 °C
Pump P1 power of regular, When long-term thermooff.
6D1
0 = None operation
1 = regular power
Used to activate Hydro Unit back up heaters.
6D2
0 = Back up heaters activated;
1 = back up heaters de-activated
Used to activate hot water cylinder electrical heater.
6D3
0 = hot water cylinder heater activated;
1 = hot water cylinder heater de-activated
Used to activate external booster heater output.
6D4
0 = external booster heater output activated;
1 = external booster heater output de-activated
Used to activate system auto restart after power failure.
28
0 = auto restart activated;
1 = auto restart de-activated
P1 Pump operation for hot water
5A
0 = synchronised with heat pump
1 = Normally run
Used to activate SG Ready control
B6
0 = SG Ready control de-activated
1 = SG Ready control activated
39-EN
After
Default
Change 1 Change 2 Change 3
Commissioning
0
0
0
0
0
1
0
0
Model
1 zone : 0
2 zone : 1
0
0
0
0
0
0
0
0
■
Names and functions of parts
Buttons
8
4
7
1
[
ON/OFF] button
2
[
] button
On the top screen: Adjusts the temperature.
On the menu screen or other screen: Selects a menu item or ON/OFF of each function or moves a cursor, etc.
3
[
] button
On the top screen: Adjusts the temperature.
On the menu screen or other screen: Selects a menu item or ON/OFF of each function or moves a cursor, etc.
4
[
MENU] button
On the top screen: Displays the "MENU" screen.
On the other screen: Fixes or copies setting the parameter value.
5
[
] button
On the top screen: Select the heating or cooling mode.
On the other screen: Varies its function according to the screen.
6
[
] button
On the top screen: Select the hot water mode.
On the other screen: Varies its function according to the screen.
7
[
RETURN] button
Returns to the previous screen, etc.
8
[
MODE] button
On the top screen: Select the mode for which to change the temperature.
On the other screen: Resets the setting parameter value.
– 20 –
Installation Manual
5
6
1
3
2
40-EN
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