Danfoss VLT CDS 303 User Manual

6.16.13 25-** Cascade Controller
Par.
No. #
Parameter description Default value 4-set-up Change
during
operation
Conver-
sion index
Type
25-0* System Settings
25-00 Pack Controller [0] Disabled 2 set-ups FALSE - Uint8
25-04 Compressor Cycling [0] Disabled All set-ups TRUE - Uint8
25-06 Number of Compressors 2 N/A 2 set-ups FALSE 0 Uint8
25-2* Zone Settings
25-20 Neutral Zone [unit] 4 ReferenceFeedbackUnit All set-ups TRUE -2 Uint32
25-21 + Zone [unit] 3 ReferenceFeedbackUnit All set-ups TRUE -2 Uint32
25-22 - Zone [unit] 3 ReferenceFeedbackUnit All set-ups TRUE -2 Uint32
25-23 Fixed Speed neutral Zone [unit] 4 ReferenceFeedbackUnit All set-ups TRUE -2 Uint32
25-24 + Zone Delay 120 s All set-ups TRUE 0 Uint32
25-25 - Zone Delay 60 s All set-ups TRUE 0 Uint32
25-26 ++ Zone Delay 60 s All set-ups TRUE 0 Uint32
25-27 -- Zone Delay 30 s All set-ups TRUE 0 Uint32
25-3* Staging Functions
25-30 Destage At No-Flow [0] Disabled All set-ups TRUE - Uint8
25-31 Stage Function [0] Disabled All set-ups TRUE - Uint8
25-32 Stage Function Time 15 s All set-ups TRUE 0 Uint16
25-33 Destage Function [0] Disabled All set-ups TRUE - Uint8
25-34 Destage Function Time 15 s All set-ups TRUE 0 Uint16
25-4* Staging Settings
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 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 Hz All set-ups TRUE -1 Uint16
25-8* Status
25-80 Pack Status 0 N/A All set-ups TRUE 0
VisStr[2
5]
25-81 Compressor Status 0 N/A All set-ups TRUE 0
VisStr[2
5]
25-82 Lead Compressor 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 Compressor 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
25-87 Inverse Interlock 0 N/A All set-ups TRUE 0 Uint16
25-88 Pack capacity [%] 0 % All set-ups TRUE 0 Uint16
25-9* Service
25-90 Compressor Interlock [0] O All set-ups TRUE - Uint8
25-91 Manual Alternation 0 N/A All set-ups TRUE 0 Uint8
Parameter Descriptions Operating Instructions
MG34M422 Danfoss A/S © Rev. 2013-07-03 All rights reserved. 145
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Danfoss VLT CDS 303 Specifications

General

Brand	Danfoss
Model	VLT CDS 303
Category	DC Drives
Language	English