sauter ASV 52 Series User manual

ASV VAV compact
controller
Maintenance manual
52 ASVxxx

Contents
52 ASVxxx
3
Contents
Contents 3
List of changes.............................................................................................4
List of figures ...............................................................................................5
List of symbols.............................................................................................6
1Preface....................................................................................................7
2Safety instructions.................................................................................8
3Procedure...............................................................................................9
3.1 Visual inspection of the VAV box and the ASV compact controller9
3.2 Mechanical inspection of the VAV compact controller.................10
3.3 Testing the damper using the CASE VAV parameterising software11
3.4 Measurement of the duct pressure..............................................11
3.5 Zero adjustment of the differential pressure transmitter in the ASV
and comparison of the measured value .................................................12
3.6 Measuring the volume flow at max and min ..................................12
4Completion of service..........................................................................13
4.1 Service report .............................................................................13
5Procedure diagram ..............................................................................14

List of changes
452 ASVxxx
List of changes
Date
Rev./Ver. issue
Change
Section
Page

List of figures
52 ASVxxx
5
List of figures
Fig. 1: Checking the ASV supply lines............................................................9
Fig. 2: Mounting the ASV on the VAV box....................................................10
Fig. 3: Releasing the lock.............................................................................11
Fig. 4: Procedure diagram............................................................................14

List of symbols
652 ASVxxx
List of symbols
Information
Information relevant to handling the product.
Internet link
Reference to links or applications on the internet.
Warning instruction
Warning instructions are written in front of the action.

Preface
52 ASVxxx
7
1Preface
These instructions are a guide to carrying out maintenance on the ASV VAV
compact controller. They contain information on the individual maintenance
operations and help on filling in the service report. As before, the VAV boxes
must also be included in the maintenance.
These maintenance instructions cover the following products: ASVxxx VAV
compact controllers.
Required information and materials
1) Access to the device/cabinet
2) Commissioning certificates of the installed and operated ASVs
3) Room specifications (if available)
4) Latest CASE VAV software
5) Laptop
6) USB to RS-485 converter
7) 2 x T-hose 8x1
8) Hose
9) Calibrated differential pressure measuring device

Safety instructions
852 ASVxxx
2Safety instructions
All work must be done by trained specialist staff.
Work on electrical systems or equipment may only be carried out by a
qualified electrician or by instructed persons under the guidance and
supervision of a qualified electrician, in accordance with the regulations of
electrical engineering.
All local regulations and safety precautions must be strictly observed during
maintenance.
WARNING: moving parts can cause hand injuries.

Procedure
52 ASVxxx
9
3Procedure
3.1 Visual inspection of the VAV box and the ASV compact controller
Carry out a visual inspection of the VAV box and the VAV controller. Look
out for damage, dents and leaks on the VAV box and compact controller.
Check that the supply lines to theASV and the VAV box are correctly laid
(see the ASV fitting instructions, Fig. 4.2). There must not be any kinks in
the power cable or hoses. Note down any damage, anomalies or improper
modifications.
Fig. 1: Checking the ASV supply lines

Procedure
10 52 ASVxxx
3.2 Mechanical inspection of the VAV compact controller
Check the VAV box and the VAV controller. Make sure the ASV is firmly
mounted on the VAV box and damper adapter is correctly seated. Tighten
the screw fittings and check the tightening torque of the fixing screw (see
ASV fitting instructions, Fig. 4.1 steps 7, 8 and 9). Remove any dirt, dust
and accumulated deposits.
Fig. 2: Mounting the ASV on the VAV box
Check the electric contact terminals at the end of the power cable and
tighten them.