3. HARDWARE DESCRIPTION
9
Front View
Back View
3.1 Key Explanation
The 2 navigation keys permit item selection and modifying the selected value.
ENTER key is used to execute the navigation instruction
ESC key is used to cancel the navigation instruction
Shortcut key to switch the operation mode in the Summary Pages
Shortcut key to trigger ON/OFF in the Summary Pages
Shortcut key to show fault / alarm in the Summary Pages
10
1
3
2
Legend
1 & 2 Navigation key
3 Execute instruction key
4 Cancel instruction key
5 Switching to Heat mode shortcut key
6 Switching to Cool mode shortcut key
7 Toggle ON/OFF shortcut key
8 Show alarm key
9 Graphical LCD display
10 ON/OFF indicator
5
7
8
6
4
Legend
1 & 2
Chiller terminal unit connection
3
Not available
4
CMOS reset jumper (JH2)
5
Chiller bus resistor configuration (JH3)
6
Not available
7
Not available
8
Not available
9
Backup battery
5