OSTBERG HERU 70 K EC, Инструкция по сборке и установке

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SERVICE MENU: “PRESSURE INPUTS”
HERU
®
EC: If a pressure sensor is installed a compatible range of pressure sensor can be set; -50/+50 Pa;
0/100 Pa; 0/150 Pa; 0/300 Pa; 0/500 Pa; 0/1000 Pa; 0/1600 Pa och 0/2500 Pa. Sensors with the same range
must be installed at the supply and extract air side. The signal from the pressure sensor is 0-10 V DC.
If filter switches are installed these can be activated in this meu.
If ”None” is set, the filter measurement is automatically deactivated.
Pressure sensors can not be used for HERU
®
AC. Filter switch can be used for both HERU
®
EC and HERU
®
AC.
SERVICE MENU: “CONSTANT PRESSURE (ONLY FOR HERU®EC)
CPC (Constant Pressure Control) is set by the installer and should not be changed. CPC can only be used with
pressure sensor in the supply and extract duct. See below for activation of installed sensor.
” Are you sure? ” Press or to return, or press to make settings.
” Const. pr. ” If constant pressure is not activated this can now be done by pressing .
Go to settings for CPC with key , or disable constant pressure with .
Set the speed 0-100% with for both fans. Change between supply air and extract air with or ,
the current pressure is viewed. NB! After changing the pressure settings, please wait until it has stabilized.
When adjusting, the fans have constant speed and
starts to regulate after the settings are saved,
by pressing .
NB! Only use clean filters when activating CPC.
THE “SERVICE MENU”
In this menu a password is required in order to make adjustments. The password is 1199 and it can not be changed.
Press in order to go forward from the Main Menu.
The password is entered with the keys and every number is confirmed with .
After the password 1199 to the Service Menu the question “Are you sure?” will be displayed.
Press for “No” or for “Yes”.
To go further to the different functions in the ”Service menu” press or .
Are you sure?
No Yes
Week timer
Power On/Off
Ext:
Ext: Ext:
1270421_utg2_HERU_K_SV_EN.pdf 56 2018-03-12 10:00:21