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MSR
1100
MSR
3100
MSR 3100 ST
MSR
5100
MSR 19100
MSR 23100
MSR 25100
MSR 29100
Please note
Safety
Instructions !
By replacing older
types
(x106, x206, x300):
Controllers must be
configured while
start up !
Stage Controller for Compressors &
l Stage Controller for
Compressor Compounds, Brine-Chillers and Condenser Fans
l Up to 4 Stages
l For Single- and Multi-Stage 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 DC for Motordrives or Remote Displays
l 2
nd
Setpoint by internal clock
l Peak Load Limitation / Fast Backrun / Emergency Operation
l Alarm Limitations
l Compressor Idle Time
l Integrated operation time counters
l RS-485-Interface
ELEKTRONISCHE REGELUNGEN GMBH
Technical Manual
Condenser Fans
MSR x100
Software Version 020710
Nr. 5311032-05/05 E
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Summary of Contents for ELREHA MSR 100 Series
- Page 1 Technical Manual Stage Controller for Compressors & Condenser Fans MSR x100 Software Version 020710 Nr. 5311032-05/05 E 1100 3100 MSR 3100 ST 5100 MSR 19100 MSR 23100 MSR 25100 MSR 29100 l Stage Controller for Compressor Compounds, Brine-Chillers and Condenser Fans l Up to 4 Stages Please note l For Single- and Multi-Stage Compressors...
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Page 2: Table Of Contents
25109 Terminal Drive South St. Petersburg, Florida 33712 • 2-wire pressure transmitter type DG 0/25 GSW with 4-20mA phone (+1) 727-327-6236 e-mail: elreha@aol.com output signal For usage with brine-chillers • 2 x temperature sensor TF 201 (PTC) or TF 501 (Pt 1000) -
Page 3: Operating / Operating Elements
Technical Manual MSR Universal Stage Controller Page 3 Operating Unlock Keys Operating Elements To prevent un-authorized persons from editing parameter values, there is a locking function which allows only the most important parameters s t a g e 1 O N / O F F s t a g e 3 O N / O F F to be changed at any time. -
Page 4: Parameter Listing
Page 4 Technical Manual MSR Universal Stage Controller Parameter Listing Para- Oper.- Code Description Default Values Ranges Your meter mode Val. X X X Temperature of water inlet sensor resp. pressure value Temperature of Limitation sensor (water outlet) X X X Status of: forward/backward/peak load limitation P04* X X X Setpoint 1 (absolute, start of backrun) - Page 5 Technical Manual MSR Universal Stage Controller Page 5 Parameter Listing Para- Oper.- Code Description Default values Ranges Your meter Mode Val. P29* X X X 88 Calibration of pressure value resp. water return sensor value -10.0...+10.0 X 88 Calibration of Limitation Sensor -10.0...+10.0 P31* X X (Upper) Pressure value of transmitter at 20 mA...
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Page 6: Functional Description
Page 6 Technical Manual MSR Universal Stage Controller Functional Description Selection of Operating Mode • Switch power OFF • Press and hold key 'P', switch on power The MSR can be configured for controlling compressor com- • Hold key 'P' until '_ _ _' appears pounds, for condenser fans and brine chiller systems. - Page 7 Technical Manual MSR Universal Stage Controller Page 7 Stage Controller Stage Controller + Pressostat (Compressors or Fans) The control characteristic of the stages differ depending on the operating mode and the selected sensors (P28) . The MSR gets the Forward/Backrun informations from a To prevent that the final user adjusts the setpoints to an inadmis- Pressostat (or another potential free contact).
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Page 8: Trend Analysis
Page 8 Technical Manual MSR Universal Stage Controller Motor Control Load Limitation The MSR-unit can control up to 4 single motors or multi-stage Via one of the both control inputs OK1/OK2 a load limitation machines with up to four stages. function can be initiated, e.g. - Page 9 Technical Manual MSR Universal Stage Controller Page 9 Control Inputs Voltage Output / Analogue Output The control inputs OK1/OK2 are normally connected to mains The MSR-Controller owns an analogue output with a 0-10 V DC- voltage. If this voltage is interrupted, the functions set with P26 and signal.
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Page 10: Installation
Page 10 Technical Manual MSR Universal Stage Controller Operation Time Counter Real time clock The MSR Controller contains a real time clock (without a date Each relay output owns an individual operation time counter. This counter measures and totalizes the time this output was activated. function) which can be used for changing the control setpoint. - Page 11 Technical Manual MSR Universal Stage Controller Page 11 Start Up Examples MSR as Compressor Compound Controller MSR as Condenser Fan Controller MSR as Brine-Chiller Controller Requirement: Requirement: Requirement: 4 single compressors, stage 1 configured for 3 single fans, no emergency mode, automatic 2 dual-stage compressors, no emergency mode, emergency operation, automatic base-load base-load change.
- Page 12 3 (.12) (.47) 0..10V + 1 2 V D C N D O M S R ELREHA OK 1 4 . . 2 0 m A 76 (3.0) rear view with mounting frame 1 9 1 8 From september 2001 the units will be produced with the follwing, changed pinout: 56 (2.2)
- Page 13 Technical Manual MSR Universal Stage Controller Page 13 Dimensions MSR 3100 / 23100 / 3100 ST 105 (4.13) MSR 3100 ST 105 (4.13) 2 0 2 1 2 5 2 6 3 4 3 5 2 0 2 1 2 5 2 6 3 4 3 5 3 6 M S R M S R...
- Page 14 Page 14 Technical Manual MSR Universal Stage Controller Dimensions MSR 5100 / 25100 119 (4.69) inlet- sensor F W D mains outlet- sensor relay K1 4-20 mA IN 0-10V= OUT M S R E L R E H A relay K2 G N D 485 NDO 485 DO...
- Page 15 O K 2 relay 3 relay 4 (alarm) 0-10V DC 4/20mA forward Pressostat backrun +18VDC N D O ELREHA 162,5 2-wire O K 1 pressure relay 1 transmitter relay 2 O K 2 relay 3 relay 4 (alarm) 0 - 1 0 V D C...
- Page 16 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 statement is made from the manufacturer / importer ELREHA Elektronische Regelungen GmbH Klaus Birkner, Developement and 68766 Hockenheim...
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