Operation Manual

Display Board
Select
Ribbon Connector
Esc
Up
Down
5.1. Display Board general description
The display board serves as interface between the installer/technician to the
A/C unit.
-Scroll ( "Up" & "Down")-usedtoscroll between options (up and down)
-Select - used to select an option.
-Escape("Esc")-Willgouponelevel in the menu
5
FEATURES SETUP
Display Board
Select
Esc
Up
Down
2. Select
1. Scroll
Down
5.2. Thermal mode setting
There are 2 options for the thermal mode setting of the unit, either to set the mode by the indoor units selection or by forcing the
mode to cool or heat.
5.2.1. Priority room setting
If an IDU is defined as a priority unit, the operational mode (Cool/Heat) will be defined according to the priority unit request. If
no unit is selected (as the default value) the first unit turned on determines the unit mode.
1. Scroll down the Down button until setup is displayed (Stp)
and than press the Select button.
2. Scroll down the Down button to choose the unit priority
requested and than press the Select button:
Outdoor Unit (oxx)
Indoor Unit A (axx)
Indoor Unit B (bxx)
Indoor Unit C (cxx)
Indoor Unit D (dxx)
Display Board Menu list
Technician Test Cool (ttC)
Technician Test Heat (ttH)
Mode (Cl/Ht/Sb)
Technician Test (tt)
Installation Test (it)
Diagnostics (dia)
First IDU Wins (idu)
IDU A is master (a-p)
IDU B is master (b-p)
IDU C is master (c-p)
IDU D is master (d-p)
'Forced mode' input (Frc)
Set Up (Stp)
a. No unit priority - Display shows "idu" (default value).
b. Unit A is in priority - Display shows "A-p" .
c. Unit B is in priority - Display shows "b-p" .
d. Unit C is in priority - Display shows "c-p" .
e. Unit D is in priority - Display shows "d-p" .
f. Forced mode is implied.