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USER MANUAL – Release 1.2 of 01/01/2010
Page 31 of 191
Version: 02/03/2010
PA 21
Pumps Enabling and Rotation:
0 = Single Pump – No Rotation;
1 = 2 Pumps – Manual Rotation;
2 = 2 Pumps – Rotation according to starts;
3 = 2 Pumps –Rotation according to running hours;
4 = 2 Pumps –Rotation according to starts and running hours
0
4
PA 22
Pumps Manual Inversion:
0 = Pump 1 On;
1 = Pump 2 On
0
1
PA 23
Number of running hours for condenser pump forced rotation
0
999
10Hr
10Hr
PA 24
Simultaneous pumps working time after forced rotation
0
250
Secs
Condenser water pump working mode in case of anti-freeze alarm
PA 25
Determines the condenser water pumps working mode in case of antifreeze
alarm when the device is OFF or in stand-by mode
0= always OFF
1 = ON the temperature control demand
0
1
PA 26
Antifreeze alarm control probe
0 = disabled
1 = Common condenser water inlet probe
2 = Common and circuits 1 / 2 condenser water inlet probe.
3 = Common and circuits 3 / 4 condenser water inlet probe
4 = Circuits 1 / 2 condenser water outlet probe
5 = Circuits 3 / 4 condenser water outlet probe
6 = All circuits condenser water outlet probe
7 = All circuits condenser outlet and common outlet water probe
8 = External air temperature
0
8
PA 27
Condenser water pump activation set-point
-50.0
-58
110
230
°C
°F
Dec
int
PA 28
Condenser water pump deactivation differential
0.1
0
25.0
45
°C
°F
Dec
int
Condenser water pump maintenance request
PA 29
Main condenser pump maintenance period (see maintenance request function
chapter)
0
999
10 Hr
10 Hr
PA 30
Support condenser pump maintenance period
0
999
10 Hr
10 Hr
Pump down function
Pump down
Pd 1
Pump down function (see relevant chapter)
0= function disabled
1= Pump down only at stop
2= Pump down at start and stop
3= Pump down only at stop in cooling mode
4= Pump down at start and stop in cooling mode
0
4
Pd 2
Pump down pressure set (see pump down chapter)
0.0
0
50.0
725
Bar
psi
Dec
int
Pd 3
Pump down pressure differential (see pump down chapter)
0.1
1
14.0
203
Bar
Psi
Dec
int
Pd 4
Maximum pump down time at start and stop
0
250
Secs
Timed pump down
Pd 5
Pump down at start time
0 = function disabled
0
250
Secs
Pd 6
Pump down at stop time
0 = function disabled
0
250
Secs
Pump down alarm
Pd 7
Maximum number of pump down alarm at stop
per hour.
Above this limit
the alarm is recorded and shown on the display, the alarm
relay and the buzzer are activated
Reset is always manual if Pd7 = 0
Reset is always automatic if Pd7 = 60
Reset switches from automatic to manual if Pd7 is between 1 and 59
0
60
Pd 8
Maximum number of pump down alarm at start per hour.
Above this limit the alarm is recorded and the alarm relay and the buzzer are
activated
Reset is always manual if Pd8 = 0
Reset is always automatic if Pd8 = 60
Reset switches from automatic to manual if Pd8 is between 1 to 59 depending
Pd9 configuration
0
60
Pd 9
Manual reset enabling for pump down at start alarm
0= Automatic reset even if the maximum number of occurrence /hour
Pd8
is
reached
1= Manual reset if the maximum number of occurrences /hour
Pd8
is reached
0
1
Unloading Function
High evaporator water inlet temperature
