ASV101
ASV101_V1.0.0_PI_2018-01_EN.fm 1
Subject to technical changes
FRIGOLINK
1 ASV101
Control module for reciprocating compressors
1.1 Front view
Abb. 1: ASV101 - Front view
1.2 Features
• Driver with electronic relays
• For compressor racks in combination with FRIGOLINK compound master modules HVB-G3/G4, HVI-G3/G4, HVV-G3/
G4 and FVB110B, FVB110-PAT, FVB120B, FVB120-PAT, FVB140B or FVB140-PAT
• Almost stepless output control
• One module per compressor
• Operating mode selection by slide switch (EXTERNAL, PWM)
• Switching display via LED
NOTE!
• Please observe the detailed descriptions in the chapters of the FRIGOLINK system manual.
ASV101
2 ASV101_V1.0.0_PI_2018-01_EN.fm
Subject to technical changes
FRIGOLINK
1.3 Safety instructions
Writing conventions
Vorsicht!
CAUTION!
• Avoid the described hazard: Otherwise minor or medium bodily injury or property damage will
result.
Warnung!
WARNING!
• Avoid the described hazard: Otherwise there is danger from electric voltage that can lead to
death or serious bodily injury.
For your safety
For safe operation and to avoid personal injury and equipment damage through operating error, always read these instruc-
tions, become familiar with the device, and follow all safety instructions on the product and in this document, as well as the
safety guidelines of Wurm GmbH & Co. KG Elektronische Systeme. Keep these instructions ready to hand for quick refer-
ence and pass them on with the device if the product is sold.
Wurm GmbH & Co. KG Elektronische Systeme accepts no liability in case of improper use or use for other than the intended
purpose.
Warnung!
WARNING! DANGER TO LIFE FROM ELECTRIC SHOCK AND/OR FIRE!
• Switch off the power to the entire plant when installing, wiring or removing! Otherwise a mains
voltage may still be present even if the control voltage is switched off!
• The wiring of the device should be carried out only by a qualified electrician!
• Use only the correct tools for all work!
• Check all wiring after connection!
• Take note of the maximum loads on all connections!
• Never expose the device to moisture, for example due to condensation or cleaning agents!
• Take the device out of operation if it is faulty or damaged and is therefore compromising safe
operation!
• Do not open the device!
• Do not repair the device yourself! If required, send it in for repair with an exact description of the
fault!
Software revision and validity of documentation
Any software versions not listed are special solutions for individual projects and are not described in detail in this document. This document
automatically ceases to be valid if a new technical description is issued.
Manufacturer: Wurm GmbH & Co. KG Elektronische Systeme, Morsbachtalstraße 30, D-42857 Remscheid
You can find more information on our website at www.wurm.de
Target group These instructions are intended for "service technician" personnel.
Intended use The ASV101 is a module for controlling the capacity regulation of reciprocating compressors.
Software version
V1.0.0 - 2018-01 Documentation status
ASV101
ASV101_V1.0.0_PI_2018-01_EN.fm 3
Subject to technical changes
FRIGOLINK
1.4 Circuit diagram
Abb. 2: ASV101 - Circuit diagram
1.5 Installing
This device is designed for top-hat rail installation. The housing is a standard size and is also suitable for installation in fuse
boxes or distribution switch boxes.
The devices can be positioned immediately next to one another and without gaps.
Abb. 3: ASV101 - Dimensions
Top-hat rail installation
1. Place the module with the upper guide edge on the top-hat rail.
2. Press it gently downward until it snaps into the catch on the rail.
Abb. 4: ASV101 - Top-hat rail installation
ASV101
4 ASV101_V1.0.0_PI_2018-01_EN.fm
Subject to technical changes
FRIGOLINK
1.6 Function
The ASV101 is used for controlling valves for regulating the output of reciprocating compressors and can be operated in
two operation modes (EXTERNAL and PWM). The operating mode is selected using a selector switch on the module (Po-
sition 0 = EXTERNAL mode / Position 1 = PWM mode). The parameters for the desired functions are configured on the
master module. Two outputs "Out1" and "Out2" are used for capacity regulation. Capacity regulation can only take place
when the two outputs have been enabled by a feedback signal from the compressor on the "Operation feedback" input (ter-
minal 1-2). If this feedback is not present, the two outputs and the valves are switched off. When enabled, outputs "Out1"
and "Out2" are actuated through the 0...10V control input (terminal 9-10). The required control signal is sent continuously
from the FRIGOLINK compound master module HVx through the 0...10V outputs of the compressor field modules
(FVB110B, FVB110-PAT, FVB120B, FVB120-PAT, FVB140B, FVB140-PAT).
PWM operating mode
In PWM mode (Pulse Width Modulation), the ASV101 converts the continuous 0…10V control signal from a field module
into a valve cycle value. In this way, each voltage value at the input corresponds to a certain pulse/pause ratio at the output.
The period duration of the pulse width modulation is 12s and cannot be changed.
The two outputs available on the ASV101 are push-pull outputs. In this way, 2 banks of compressors can be controlled at
the same time, each with 0-100% bank capacity and therefore with 0-100% compressor capacity. Push-pull operation pro-
duces an even mass flow since bank switching is distributed over time, thus avoiding - as far as possible - simultaneous
switching of the cylinder bridges. If more than 2 banks are to be controlled, they can be operated in parallel with the first
two banks. Total compressor capacity is then also controlled from 0 to 100%. Parallel connection only affects the mass flow
ratios, which may differ when examined periodically. Output is inverted (0%=both outputs ON).
Abb. 5: ASV101 - PWM operating mode: Power regulation
EXTERNAL operating mode
In this mode, the outputs can be controlled separately by voltage coding.
1.7 Technical data
0.0V 3.3V 6.6V 10.0V
Out1 ON OFF ON OFF
Out2 OFF OFF ON ON
Power supply 230V~, +10% / -20%, approx. 7VA
Enable input 230V~, +10% / -20%
Analogue control input 0...10V=
Control outputs for the solenoid
valves Electronic, 230V~, each 10...30VA
Maximum continuous load 0.315A, integrated semiconductor protection (no isolator)
Connection cross-section 2.5mm²
Dimensions (WxHxD) 53 x 90 x 58mm (DIN 43880)
Fastening Top-hat rail TH 35-15 or TH 35-7.5 (DIN EN 60715)
Ambient temperature Operation: 0...+55°C, storage: -25...+70°C
Weight About 200g
CE conformity - 2014/30/EU (EMC Directive)
- 2014/35/EU (Niederspannungsrichtlinie)
EAC conformity - TR CU 004/2011
- TR CU 020/2011
RoHS II
Valid from Version 1.0.0
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