ZENITH 140
INSTRUCTION MANUAL
82
The
third parameter
for each relay determines the pump group. You can
have two groups of pumps, and all similar duties within that group will
operate together.
P212, 222, 232, 242, 252, 262
–
Relay Pump Group
By
default
, all pump groups are set to
1
, but if you want to have another
group, then set this parameter to 2, for each pump relay that should operate
together as part of a second group.
The
fourth parameter
and the
fifth parameter
for each relay set the
pump
“
ON
” and “
OFF
” points, which are entered in
Measurement units P104
. For
pump down
the “
ON
” is set
higher than
“
OFF
”. For
pump up
then “
ON
” is
set
lower than
“
OFF
”. See the appropriate
pump duty,
function
table
(
P212, 222, 232, 242, 252, 262
) for further information.
P213, 223, 233, 243, 253, 263
–
Relay Setpoint 1
This parameter determines the ‘
ON
’ point of the pump.
P214, 224, 234, 244, 254, 264
–
Relay Setpoint 2
This parameter determines the ‘
OFF
’ point of the pump.
The
sixth parameter
will determine the
service ratio
that will be used to
switch the pump, when
pump duty
selected is a Service Ratio duty.
P210, 220, 230, 240, 250 = 6, 7 or 9 (Service ratio)
P215, 225, 235, 245, 255, 265
–
Relay Setpoint 3
This parameter determines the Service Ratio in values of %. See the
appropriate
pump duty
function, table (
P211, 221, 231, 241, 251, 261
), for
further information.
P219, 229, 239, 249, 259, 269
–
Relay Max Rate
This parameter will allow a
pump
to be
switched
at a pre-determined
Rate
of change of Level
, irrespective of the “ON” level setpoint P213, 223, 233
,
243, 253, 263
. Once a pump relay has been switched “
ON
” by the pre
-
determined
Rate of Change
, it will remain energised until the level reaches
the “
OFF
”
level setpoint
P214, 224, 234, 244, 254, 264
.
Max. Rate is entered in Measurement Units (P104) per minute and can be
entered as either positive (increasing level) or negative (decreasing level)
values.
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