Xylem IM167 R8 Aquavar CPC (Centrifugal Pump Control) - Manual (Page 100)

100
MultiPump – Slave Pump Control
14. Once you have saved the parameter 1506, press the EXIT
key. Use down arrow until you highlight parameter group 18
“RELAY OUTPUTS”. Then press the SEL key.
15. After above step, you should have parameter 1801 “RELAY
OUTPUT 1” highlighted. Press the EDIT once. Uses the up
arrow to highlight “START SLV”, then press SAVE.
16. Use the down arrow to highlight parameter 1802 “RO 1 ON
DELAY”, then press EDIT. Use the UP arrow to set your time
delay to TURN ON RELAY 1 in seconds. Then press the SAVE
key. NOTE: You may have to adjust this time delay based
on your system.
17. Once parameter 1802 has been saved, use the DOWN
arrow to highlight parameter “1803 RO 1 OFF DELAY”, then
press the EDIT key. Use the UP arrow to select the OFF
DELAY for relay 1 in seconds. Press the SAVE key. This will
allow a timed delay when relay 1 turns off the first slave
pump.
18. If you do not require other SLAVE relays, then proceed to the next step MULTIPUMP
CONTROL. If more relays are required, repeat steps above for RELAY 2 and RELAY 3,
parameters 1804, 1805, 1806, 1807, 1808.
19. Once you have saved your last relay output, press the EXIT
key once. Use the down arrow until you highlight parameter
group 22 “MULTIPUMP CTRL”, then press SEL key.
20. After above step, highlight parameter 2201 VALUE
DECREASE, then press EDIT. Use arrows to program the
required pressure drop allowed by the Aquavar pump,
before the first slave pump turns on. Press the SAVE key.
NOTE: Keep this pressure low enough from the Aquavar
pressure setting and adjust your relay ON TIME DELAY to
PREVENT PUMP “CYCLING”!
EXIT SEL
REM PAR GROUPS 18
14 SPD LIM/STRT LEVL
15 XDUCER VARIABLES
16 REFERENCE SELECT
18 RELAY OUTPUTS
19 ANALOG OUTPUTS
EXIT EDIT
REM PARAMETERS
1801 RELAY OUTPUT 1
NOT SEL
1802 R01 ON DELAY
1803 R01 OFF DELAY
1804 RELAY OUTPUT 2
EXIT EDIT
REM PARAMETERS
1801 RELAY OUTPUT 1
1802 R01 ON DELAY
10.0 s
1803 R01 OFF DELAY
1804 RELAY OUTPUT 2
EXIT EDIT
REM PARAMETERS
1801 RELAY OUTPUT 1
1802 R01 ON DELAY
1803 R01 OFF DELAY
5.0 s
1804 RELAY OUTPUT 2
PROGRAMMING
EXIT SEL
REM PAR GROUPS 22
16 REFERENCE SELECT
18 RELAY OUTPUTS
19 ANALOG OUTPUTS
21 REGULATE
22 MULTIPUMP CTRL
EXIT EDIT
REM PARAMETERS
2201 VALUE DECREASE
2.1 PSI
2202 VALUE INCREASE
2203 ENABLE SEQUENCE
2204 SWITCH LEAD/LAG