OPERATION AND FUNCTIONS OF THE ROOM CONTROLLER
Switching OFF
The
button disables operation of the pump or the zone valve controlled by the room controller, the heat pump is deactivated
using the
button, as shown in "Selecting the operating mode".
1
Unit ON - ZONE ON
Lock keypad
To avoid accidental modifications, the functions of the buttons and knob - except for the ON/OFF button - can be locked, procee-
ding as follows:
- Press the "
+
" buttons together
- The display will show "Lo" for 5 seconds, confirming that the keypad has been locked.
- When "Lo" is no longer displayed, the temperature and time will be shown again.
- If a button is pressed or the knob rotated, the "
To unlock the buttons and knob, proceed as follows:
- Press the "
+
" buttons together
- The display will show "Un" for 5 seconds, confirming that the keypad has been unlocked.
- When "Un" is no longer displayed, the unit or zone N-ThC information will be shown.
The keypad can be locked/unlocked from all N-ThC remote controls.
ACCESSING THE PROGRAMMING LEVELS
The room controller has a menu structure, divided into levels so as to allow access only to authorised users, as shown below:
Level
User
Installer
Authorised technical service
48
PBM 20÷40 EN
2
• Press the
" symbol will be displayed.
Password
012
022
034
Contact the Manufacturer
x3 sec.
button for 3 seconds
Menu description
Room unit
Zone room terminal address setting
System configuration
DhW
Supplem. sources
Cascade/Forced fan
Primary and DhW exchanger
input / output
Compressor
Source heat exchanger
Defrost
Alarm log
Serial protocol
3
Unit ON - ZONE OFF
Menu code
Mnu00
Addr
Mnu01
Mnu02
Mnu03
Mnu04
Mnu06
Mnu09
Mnu05
Mnu07
Mnu08
Mnu11
Mnu12
A