Alfa Laval AquaFirst
Installation, service and operating instruction
27
7.10 Pumps Menu
P1 and P2=Primary pumps
P3 and P4=Secondary pumps
Parameter
Factory Default
Setting
Optional
setting
Description
P1P2 Diff.work time
12 hrs
1 - 1000 hours
P1 or P2 Working time
P1P2 Cycling.Type
2
0=Fixed time
1=Fixed time+
diff.work time
2=Immediately
after Diff.hrs
0 : See P12 Permut Hour
1 : If diff reached at this time, pump shift
2 : Don't care of permutation day+hour
P1P2 Cycling.Period
0
0=None
1=Daily
2=Weekly
3=Monthly
P1P2 Cycling day
1
From 1st to
31st
Available only if “P12 Cycling Period”=3”
P1P2 Cycling Hour
10h00 pm
00h00 - 23h59
(11h59 pm)
Pump shift time
Min Speed P1P2
40
10->100
N/A
P1P2 Overlap
6
0-10 seconds
Time to start P2(P1) before stopping P1(P2),
to let the other pump start
P3P4 Diff.work time
12 hrs
1 - 24 hours
P3 or P4 Working time
P3P4 Cycling Type
2
0=Fixed time
1=Fixed time+
diff.work time
2=Immediately
after Diff.hrs
0 : See P34 Cycling Hour
1 : If diff reached at this time, pump shift
2 : Don't care of Cycling day+hour
P3P4 Cycling Period
0
0=None
1=Daily
2=Weekly
3=Monthly
P3P4 Cycling day
1
From 1st to
31st
Available only if “P34 Cycling Period=3”
P3P4 Cycling Hour
10h00 pm
00h00 - 23h59
(11h59 pm)
P3P4 Overlap
6
0-10 seconds
Time to start P4(P3) before stopping P3(P4),
to let the other pump start
Pump_Fault_Reset
Off
Off/On
To clear a pump default, set to On, then Off