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ELEKTRONISCHE REGELUNGEN GMBH

Technical Manual

Stage Controller for Compressors &

Condenser Fans

MSR x100

Software Version 020710

MSR

1100

MSR

3100

MSR 3100 ST
MSR

5100

MSR 19100
MSR 23100
MSR 25100
MSR 29100

Nr. 5311032-05/05 E

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Stage Controller for
Compressor Compounds, Brine-Chillers and Condenser Fans

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Up to 4 Stages

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For Single- and Multi-Stage Compressors

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Inputs for 2-wire Pressure Transmitters, Pressostat and
Temperature Sensors

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Automatic Base-Load Change (Stage Sequence Change)

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Autoadaptive Trend Recognition

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Analogue Output 0-10V DC for Motordrives or Remote Displays

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2

nd

 Setpoint by internal clock

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Peak Load Limitation / Fast Backrun / Emergency Operation

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Alarm Limitations

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Compressor Idle Time

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Integrated operation time counters

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RS-485-Interface

Please note

Safety

Instructions !

By replacing older

types

(x106, x206, x300):

Controllers must be

configured while

start up !

NEW

Summary of Contents for MSR 100 Series

Page 1: ...ge Compressors l Inputs for 2 wire Pressure Transmitters Pressostat and Temperature Sensors l Automatic Base Load Change Stage Sequence Change l Autoadaptive Trend Recognition l Analogue Output 0 10V...

Page 2: ...se order separately For usage with compressor compounds 2 wire pressure transmitter type DG 0 10 GSW with 4 20mA output signal For usage with condernser fans 2 wire pressure transmitter type DG 0 25 G...

Page 3: ...utes Reading the current operating mode Press and hold P longer than 3 seconds One of this 3 values occur on the display 106 Mode for compressor compounds 206 Mode for condenser fans 300 Mode for brin...

Page 4: ...value all stages will be switched OFF in 1 sec steps after P15 is run down alarm relay will be activated P15 X X X 88 Alarm time delay 0 0 0 0 60 min P16 X X X 70 Power stages of compressor resp fan 1...

Page 5: ...setpoint 1 0 0 0 0 59 min P38 X X X 88 OFF time hours of 2nd setpoint 1 0 0 0 0 23 h P39 X X X 88 OFF time minutes of 2nd setpoint 1 0 0 0 0 59 min P40 X X X 88 Adress of the unit in a network 78 78 7...

Page 6: ...ting From every state of the con troller 4 minutes after the last keypress the display switches back to the actual value Calibration of Transmitter and Actual Value A pressure transmitter delivers its...

Page 7: ...on Stage Controller for Brine Chillers The control setpoint is pre set by P04 as a tempera ture value this is the set point for stage 1 at the same time There is no need for an access code The follow...

Page 8: ...nd of the actual value and decides based on the captured data about the necessity of switching on off a machine A typical example of a conventional control is the following state Machines run the actu...

Page 9: ...signal Because this output is scalable it can be used both to forward an image of the actual value P01 or as proportional controller output P42 fixes the actual value the analogue output delivers 10V...

Page 10: ...m one transformer MSR 1100 only a double pole switch must be used to switched off the single positions If not the unit will be supplied by a half wave via the shielding andtheunitcontinuesworking depe...

Page 11: ...wer Hold key P until _ _ _ appears Let go key P Select 2 _ _ by key condenser fan mode Push key P once def appears default values are loaded Actual values appear ready for start up Basic Configuration...

Page 12: ...rward backrun Pressostat rear view with mounting frame 75 2 95 9 1 2 3 4 5 7 6 8 20 21 22 19 18 16 17 23 24 37 1 46 11 10 12 14 15 13 10 Multi Channel Controller F2 Mehrstufenregler ELREHA 15 A C D C...

Page 13: ...p alarm RS 485 N D O D O 37 36 35 30 29 Temperature Sensor Connection MSR 3100 23100 for chillers simplified picture 36 MSR 3100 38 37 RS 485 29 D O N D O 30 backrun forward Pressostat Dimensions MSR...

Page 14: ...K3 relay K4 alarm M M 14 9 10 12 11 13 15 29 N 24V DC f transmitter O K 1 D O 26 25 28 O K 2 30 MSR 5100 25100 with temperature sensors simplified pic 12 13 14 15 2 3 24 25 4 5 6 7 8 9 10 11 26 27 28...

Page 15: ...28 24 22 18 F1 DO NDO RS 485 relay 4 alarm F2 4 20mA 14 10 12 z 6 OK1 OK2 8 2 N 4 4 20mA N 16 relay 3 28 32 30 26 24 22 20 18 F1 18VDC RS 485 NDO DO 0 10V DC relay 4 alarm F2 10 14 12 6 8 2 4 d relay...

Page 16: ...lectromagnetic consistency IEC 1000 4 1 IEC 1000 4 2 IEC 1000 4 3 IEC 1000 4 4 IEC 1000 4 5 EN 55011 B EN 50081 part 1 and 2 EN 50082 part 1 and 2 EN 61010 part 1 EN 61010 1 A2 part 1 A1 This statemen...

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