Operation Manual

Index
User interface ..................................................................................................................... 3
Menu structure and navigation ......................................................................................... 4
Use operational procedures ............................................................................................. 5
MAIN menu ......................................................................................................................... 6
QUICK-MENU parameters .................................................................................................. 7
ON/OFF MENU parameters ................................................................................................ 8
Unit switch-on or switch-off from PGD1 panel .............................................................8
SET POINT MENU parameters........................................................................................... 9
Displays the set point currently in use ......................................................................... 9
Setting the work set points for COOLING mode .........................................................9
Setting the work set points for HEATING mode ...........................................................9
COOLING/HEATING menu parameters ........................................................................... 10
Setting the functioning mode ..................................................................................... 10
CLOCK/PERIOD MENU parameters ................................................................................ 11
Setting the system date and time ..............................................................................11
Setting the daily time periods ....................................................................................11
Setting SPECIAL PERIODS ........................................................................................ 12
Setting SPECIAL DAYS ............................................................................................. 12
INPUTS/OUTPUTS MENU parameters ............................................................................ 13
HIGH/LOW pressure transducers analogue inputs ...................................................13
Evaporator IN/OUT temperature analogue inputs .....................................................13
Condenser OUTPUT temperature analogue inputs ...................................................13
Condenser INPUT temperature analogue inputs ......................................................14
HIGH/LOW pressure pressure switch status digital inputs ....................................... 14
Remote commands digital inputs ..............................................................................14
Compressor magnet circuit breaker flow switch digital inputs .................................. 15
Compressor 2 magnet circuit breaker digital inputs and compressor phases ......... 15
Evaporators pump magnet circuit breaker digital inputs ..........................................15
Condenser flow switch digital inputs .........................................................................16
Compressors digital outputs ......................................................................................16
Condenser pumps digital outputs .............................................................................16
Anti-freeze resistance and compressor phases alarm digital outputs ......................17
Evaporator pump digital outputs ...............................................................................17
Solenoid valves digital outputs ..................................................................................17
4-way valves digital outputs ......................................................................................18
Historical ALARMS ........................................................................................................... 19
Example of historical alarms ...................................................................................... 19
AFTER-SALES ASSISTANCE menu ................................................................................ 20
Language selection ...................................................................................................20
Enabling of language selection on start-up ............................................................... 20
Display of system information .................................................................................... 20
Display unit address ..................................................................................................21
Display of evaporator pump functioning hours .........................................................21
Display of compressors functioning hours ................................................................21
Display of condenser pump functioning hours .........................................................21
Alarms summary table ..................................................................................................... 22