5.1.23 25-** Cascade Pack Controller
Par.
No. #
Parameter description
Default value
4-set-up
Change
during
operation
Conver-
sion index
Type
25-0* System Settings
25-00 Cascade Controller
[0] Disabled
2 set-ups
FALSE
-
Uint8
25-02 Motor Start
[0] Direct on Line
2 set-ups
FALSE
-
Uint8
25-04 Pump Cycling
[0] Disabled
All set-ups
TRUE
-
Uint8
25-05 Fixed Lead Pump
[1] Yes
2 set-ups
FALSE
-
Uint8
25-06 Number of Pumps
2 N/A
2 set-ups
FALSE
0
Uint8
25-2* Bandwidth Settings
25-20 Staging Bandwidth
10 %
All set-ups
TRUE
0
Uint8
25-21 Override Bandwidth
100 %
All set-ups
TRUE
0
Uint8
25-22 Fixed Speed Bandwidth
Param. 2520
All set-ups
TRUE
0
Uint8
25-23 SBW Staging Delay
15 s
All set-ups
TRUE
0
Uint16
25-24 SBW Destaging Delay
15 s
All set-ups
TRUE
0
Uint16
25-25 OBW Time
10 s
All set-ups
TRUE
0
Uint16
25-26 Destage At No-Flow
[0] Disabled
All set-ups
TRUE
-
Uint8
25-27 Stage Function
[1] Enabled
All set-ups
TRUE
-
Uint8
25-28 Stage Function Time
15 s
All set-ups
TRUE
0
Uint16
25-29 Destage Function
[1] Enabled
All set-ups
TRUE
-
Uint8
25-30 Destage Function Time
15 s
All set-ups
TRUE
0
Uint16
25-4* Staging Settings
25-40 Ramp Down Delay
10.0 s
All set-ups
TRUE
-1
Uint16
25-41 Ramp Up Delay
2.0 s
All set-ups
TRUE
-1
Uint16
25-42 Staging Threshold
ExpressionLimit
All set-ups
TRUE
0
Uint8
25-43 Destaging Threshold
ExpressionLimit
All set-ups
TRUE
0
Uint8
25-44 Staging Speed [RPM]
0 RPM
All set-ups
TRUE
67
Uint16
25-45 Staging Speed [Hz]
0.0 Hz
All set-ups
TRUE
-1
Uint16
25-46 Destaging Speed [RPM]
0 RPM
All set-ups
TRUE
67
Uint16
25-47 Destaging Speed [Hz]
0.0 Hz
All set-ups
TRUE
-1
Uint16
25-5* Alternation Settings
25-50 Lead Pump Alternation
[0] Off
All set-ups
TRUE
-
Uint8
25-51 Alternation Event
[0] External
All set-ups
TRUE
-
Uint8
25-52 Alternation Time Interval
24 h
All set-ups
TRUE
74
Uint16
25-53 Alternation Timer Value
0 N/A
All set-ups
TRUE
0
VisStr[7]
25-54 Alternation Predefined Time
ExpressionLimit
All set-ups
TRUE
0
TimeOfDay-
WoDate
25-55 Alternate if Load < 50%
[1] Enabled
All set-ups
TRUE
-
Uint8
25-56 Staging Mode at Alternation
[0] Slow
All set-ups
TRUE
-
Uint8
25-58 Run Next Pump Delay
0.1 s
All set-ups
TRUE
-1
Uint16
25-59 Run on Mains Delay
0.5 s
All set-ups
TRUE
-1
Uint16
25-8* Status
25-80 Cascade Status
0 N/A
All set-ups
TRUE
0
VisStr[25]
25-81 Pump Status
0 N/A
All set-ups
TRUE
0
VisStr[25]
25-82 Lead Pump
0 N/A
All set-ups
TRUE
0
Uint8
25-83 Relay Status
0 N/A
All set-ups
TRUE
0
VisStr[4]
25-84 Pump ON Time
0 h
All set-ups
TRUE
74
Uint32
25-85 Relay ON Time
0 h
All set-ups
TRUE
74
Uint32
25-86 Reset Relay Counters
[0] Do not reset
All set-ups
TRUE
-
Uint8
25-9* Service
25-90 Pump Interlock
[0] Off
All set-ups
TRUE
-
Uint8
25-91 Manual Alternation
0 N/A
All set-ups
TRUE
0
Uint8
Parameter Lists
VLT
®
HVAC Drive Programming Guide
224
MG.11.CB.02 - VLT
®
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