1VSG & VSSGSingle Screw Bare Shaft CompressorThe World’s Best CompressorsFor Gas CompressionTM
10Instrumentation RequirementsMiscellaneous: Additional instrumentation devices required are a current transformer mounted around one phase of the dri
100Vilter Manufacturing LLCP.O. Box 8904Cudahy, WI. 53110-8904P: 414-744-0111F: 414-744-1769www.vilter.comEmersonClimate.com35391SB Rev. 06 (1/2011)
11Alarm and Shutdown Readings1. Low Gas Suction Temperature - This point protects the compressor from suction gas entering the com-pressor at too low
12VSG Package RequirementsProcess Gas Circuit1. Suction Gas Stop/Check Valve - The VSG com-pressor requires a manually operated stop valve on the su
13DescriptionCOMPRESSORThe Vilter Single Screw Compressor is a positive displacement, capacity and volume controlled, oil flooded, rotary compressor
14Descriptiondischarge manifold of the compressor. From the discharge manifold, the gas/oil exits the compressor housingThe Vilter VSG compressors
15DescriptionDESCRIPTION OF GAS SYSTEM FOR A STANDARD COMPRESSOR SETThe gas passes through a stop valve and a check valve and then through a mesh s
16InstallationPIPINGBefore installing piping, the compressor inlet and outlet ports should be inspected to ensure no dirt is present.Piping should be
17OIL FOR SINGLE SCREW COMPRESSORSDue to the need for adequate lubrication, Vilter rec-ommends only the use of Vilter lubricants, designed specificall
183. If not already done, mount the slide valve actua-tor per (“Vilter Actuator set up for Capacity and Volume Slide Motors). Next, wire the actuato
19Caution: there are wires attached to the con-nector on the plastic cover. Handling the cover too aggressively could break the w
2021. Use the INC button to rotate the actuator to-wards its maximum position while watching the millivolt readout on the controller screen. Discon
21Slide Valve Actuator OperationThe slide valve actuator is a gear-motor with a posi-tion sensor. The motor is powered in the forward and reverse dir
22The actuator cannot be cali-brated The actuator goes into cali-bration mode spontane-ously The actuator goes into cali-bration mode ever
23The motor was manually moved while the position sensor was not powered. The motor brake is not working properly The position sensor’s EEPROM mem
24Bad thermal switch Any of the reasons listed in “The motor will not move in either direc-tion” Stripped gears inside the gear mo-tor or the arm
25Note 1: TP1 and TP2 are plated-thru holes located close to the slotted optocouplers on the board. They are clearly marked on the board silkscreen l
26Operation SectionOil and its additives are crucial in system performance. Vilter Manufacturing will NOT APPROVE non-Vilter oils for use with Vilter
27OperationCONTROL SYSTEMA. Screw Compressor Control And Operation1. Starting, Stopping and Restarting the Compressor.Before the screw compressor unit
28OperationB. Safety SetpointsA detailed explanation of all safety setpoints can be found in the Compact Logix PLC manual, p/n 35391CL.1. Oil Pressure
29MaintenanceGas Compression "Maintenance and Inspection Schedule"4/29/2009R R R R R R RS S S S S S S S S S S S SR R R R R R R R R R R R R R
3READ CAREFULLY BEFORE INSTALLING AND STARTING YOUR COMPRESSOR.The following instructions have been prepared to assist in installation, operation and
30GENERAL COMMENTSWhen working on the compressor, care must be taken to ensure that contaminants (i.e. water from melting ice, dirt and dust) do not e
31COMPRESSOR INSPECTIONThe Vilter Single Screw Compressor is designed for long periods of trouble free operation with a mini-mum of maintenance. How
324) Add both readings, the total indicator move-ment is the bearing oat and this should not exceed 0.003”.C) Gate rotor bearing oat.1) Remove th
33Drive EndGATE ROTOR ASSEMBLY CAUTIONGate rotor removal and assembly is divided into dis-tinct instructions, instructions for all VSG and VSSG models
34E) Remove the hex head and socket head bolts from the thrust bearing cover. Insert two of the bolts into the threaded jacking holes to assist in re
35REMOVAL (ALL VSG 301-701 MODELS)The removal of the gate rotor assembly for the VSG 301-701 compressors is similar for the VSG 901-2101 compressors.
36E) Remove plug on the thrust bearing housing. Loosen the socket head cap screw that is located underneath the plug. This secures the inner rac
37INSTALLATION (All VSG Models)A) Install the gate rotor support by carefully tilting the roller bearing end of the gate rotor support towards the su
38D) Set the clearance between the gate rotor blade and the shelf.1. Place a piece of 0.003”-0.004” shim stock between the gate rotor blade and the
39Gaterotor for C-ange ModelsINSTALLATION (All VSG 301-701 Models)A) Install the gate rotor support. Carefully tilt the roller bearing end of the g
4
40GATE ROTOR BLADE REMOVALA) Remove the gate rotor assembly.B) Remove the snap ring and washer from the gate rotor assembly. Lift gate rotor blade
41GATE ROTOR BLADE INSTALLATIONA) Install damper pin bushing (120) in gate rotor blade (111) from the back side of the blade. Be sure the bushing is
42GATE ROTOR THRUST BEARING INSTALLA-TIONA) For installation of thrust bearings on VSG and VSSG units:1) Install bearings (126) in the housing so th
43GATE ROTOR ROLLER BEARING REMOVALA) Refer to section REMOVAL ( All VSG) for removal of the gate rotor bearing housings and gate rotor supports.B)
44COMPRESSOR SHAFT SEAL REPLACEMENTCOMPRESSOR SHAFT SEAL REMOVALA) Prepare the compressor for servicing as outlined in section REMOVAL ( All VSG) .B)
45COMPRESSOR SEAL INSTALLATIONNOTE:When replacing the stationary members of the seal on the VSSG 291 thru VSSG 601 the roll pin in the cover is used o
46shoulder on the input shaft. Make sure the seal is seated against the shoulder. If the seal is not fully seated against the shoulder, the shaft se
47INSPECTION OF SLIDE VALVE ASSEMBLIES IN THE COMPRESSORPrepare the compressor for servicing.A) Remove the gate rotor access covers. Using a mirror
48D) Locate and remove the socket head plugs above the slide valve carriage attachment bolts. Re-move the bolts located under the plugs.E) The sli
49COMMAND SHAFT ASSEMBLY REMOVALThe following steps can be used to remove or install either the capacity or volume command shaft as-semblies.A) Prepa
5Table of ContentsImportant Message ... 3VSG STANDARD VILTER
50C) The command shaft bearing (435) is a press t on the command shaft (413). Remove the command shaft bearing with a suitable press.D) Remove th
51DISCHARGE MANIFOLD INSTALLATIONA) Install (2) guide rods to position the discharge manifold. Install a new manifold gasket and the discharge man
52C) To remove the cross shafts, remove socket head bolts, clamp and spacers from both sides.VSG 751-2101 compressors cross shafts.VSSG 291-601 compr
53 HEAD OUTSIDE DIAMETER OF BOLT SHANKTYPE BOLT MARKINGS 1/4” 5/16” 3/8” 7/16” 1/2” 9/16” 5/8” 3/4”SAE GRADE 2 6 12 20 32
54ServiceUSING A TORQUE WRENCH CORRECTLYTORQUE WRENCHESUSING A TORQUE WRENCH CORRECTLY INVOLVES FOUR PRIMARY CONCERNS:A. A smooth even pull to the br
55A. The Nord-Lock® lock washer sets are used in many areas in both the VSG & VSSG screw compressors that require a vibration proof lock washer.B
56
57Recommended Spare Parts ListRefer to the Custom ManualSpare Parts Section for Specic ApplicationsPlease have your Model # and Sales Order # availab
58Gate Rotor
59 MODEL NUMBERITEM DESCRIPTION VSSG 451 VSSG 601 QTY VPN QTY VPN GATE ROTOR BLADE AND BEARING REPLACEMENT KIT
6VSG STANDARD VILTER WARRANTY STATEMENTSeller warrants all new single screw gas compression units and bareshaft single screw compressorsmanufactured
60Gate RotorITEM DESCRIPTION VSG 751 VSG 901 VSG 1051 VSG 1201 QTY VPN QTY VPN QTY VPN QTY VPN GATE ROTOR BLADE AND BEARING REPLAC
61 ITEM DESCRIPTION VSG 1551 VSG1851 VSG 2101 QTY VPN QTY VPN QTY VPN GATE ROTOR BLADE
62Shaft Seal MODEL NUMBERITEM DESCRIPTION VSSG 291-601 VSG 751-1201 VSG 1551 thru 2101 QTY VPN QTY VPN QTY
63Tandem Shaft Seal SHAFT DIAMETER DESCRIPTION 2.25” 2.5” 2.875” QTY VPN QTY VPN QTY VPN
64Main Rotor
65 MODEL NUMBER ITEM DESCRIPTION VSSG 451 VSSG 601 VSG 751 VSG 901 VSG 1051 VSG
66Slide Valve Cross Shafts and End Plate
67 MODEL NUMBER VSSG 291-601ITEM DESCRIPTION QTY VPN 221 SHAFT. 2 25843A222 GEAR. 4 25027A226 RAC
68Capacity SlideVolume SlideCarriage AssemblySlide Valve Carriage Assembly
69 MODEL NUMBER-ITEM DESCRIPTION VSSG 291 Thru VSSG 601 QTY VPN 300 CARRIAGE ASSEMBLY. 2 A25179B304 CAPACITY PISTON
7Long Term Storage RequirementsNote: At the time of purchase Vilter Manufacturing must be notified.1. The compressor(s) must be stored in a heated b
70 MODEL NUMBER ITEM DESCRIPTION VSG 751 VSG 901 VSG 1051 VSG 1201 QTY VPN QTY VPN QTY VPN QTY VPN 300 CARRIAGE ASSEMBLY. 2 A251
71 MODEL NUMBERITEM DESCRIPTION VSG 1551 to 2101 QTY VPN300 CARRIAGE ASSEMBLY. 2 A25179E304 CAPACITY PISTON 340, 341, 350 & 355 2
72Actuator & Command Shaft
73 MODEL NUMBER VSSG 291 thru VSG 751 thru VSG 1051 thru VSG 1551 thruITEM DESCRIPTION VSSG 601 VSSG 901 VSG 1201 VSG 2101 QTY VPN
74VSG Screw CompressorMiscellaneous Frame Components
75 MODEL NUMBERITEM DESCRIPTION VSSG 291 thru VSSG 601 QTY VPN GASKET AND O-RING KIT; 1 KT710A1504 FLANGE SET 513, 514 & 547A. 1
76Miscellaneous Frame Components MODEL NUMBER ITEM DESCRIPTION VSG 751 VSG 901 VSG 1051 VSG 1201
77 MODEL NUMBER ITEM DESCRIPTION VSG 1551 THRU VSG 2101 QTY VPN GASKET AND O-RING KIT; 1 KT710D 504 FLANGE SET 513, 514 & 547.
78Replacement Tools2911551
79 MODEL NUMBERITEM DESCRIPTION VSSG 291 thru VSSG 601 QTY VPN 900 GATEROTOR TOOLS (901, 910, 911, 912, 913, 914, 915, 916 & 91
8Critical Applications GuidelinesTo ensure the successful operation of the VSG compressor, the guidelines described below should be followed.1. Prope
80 MODEL NUMBERITEM DESCRIPTION VSG 1551 thru VSG 2101 QTY VPN 900 GATEROTOR TOOLS (901, 910, 911, 912, 913, 914, 915, 916 & 917)
81VSG 301-701 Replacement Parts SectionRecommended Spare Parts ListRefer to the Custom ManualSpare Parts Section for Specic ApplicationsPlease have y
82Gaterotor Assembly
83Gaterotor AssemblyPart totals indicated are for one gate rotor assembly, machines with two gate rotors will require double the components listed bel
84Part totals indicated are for one gate rotor assembly, dual gate machines will require double the components. MODEL NUMBER ITEM DESCRIPTION
85Shaft Seal MODEL NUMBER ITEM DESCRIPTION ALL VSG 301-401 ALL VSG 501-701 QTY VPN QTY VPN * SHAFT SEAL KIT Viton Kit 219, 2
86Main Rotor, Slide Valve Cross Shafts & End PlateModels VSG301-401 Counter Clockwise ONLY
87Main Rotor, Slide Valve Cross Shafts & End PlateModels VSG301-401 Counter Clockwise ONLY MODEL NUMBER ITEM DESCRIPTION VSG 301 VSG 361 VS
88Main Rotor, Slide Valve Cross Shafts & End PlateModels VSG501-701 Clockwise ONLY
89 MODEL NUMBER ITEM DESCRIPTION VSG 501 VSG 601 VSG 701 QTY VPN QTY VPN QTY VPN 201 MAIN ROTOR ASSEMBLY. 1 A26010BB 1 A26010BA
9Instrumentation RequirementsTemperatureThere are four temperature readings required for processor control, as listed below.5. Suction temperature RT
90Volume RatioCapacity SlideCarriage AssemblySlide Valve Carriage AssemblyAssembly Includes Carriage and Slides.
91Slide Valve Carriage Assembly MODEL NUMBER ITEM DESCRIPTION ALL VSG 301-401 ALL VSG 501-701 QTY VPN QTY VPN 300 CARRIAGE ASSEMBLY. 1
92Actuator & Command Shaft
93 MODEL NUMBER VSSG 291 thru VSG 751 thru VSG 1051 thru VSG 1551 thruITEM DESCRIPTION VSSG 601 VSSG 901 VSG 1201 VSG 2101 QTY VPN
94Model VSG 501-701Model VSG 301-401Miscellaneous Frame Components
95 MODEL NUMBER ITEM DESCRIPTION ALL VSG 301-401 ALL VSG 501 - 701 QTY VPN QTY VPN 512 MANIFOLD GASKET. 1 25737A 1 26037A 514 ECON-
96Housing AccessoriesMiscellaneous Frame Components
97 MODEL NUMBER ITEM DESCRIPTION VSG 301 - 701 QTY VPN 117 GATE ROTOR COVER. 1 25416B 118 COVER GASKET. 2 25259B 129 GASKET. 1 1132
98 MODEL NUMBER ITEM DESCRIPTION ALL VSG 301-401 ALL VSG 501-701 QTY VPN QTY VPN 901 GATEROTOR STABILIZER. 1 25742A 1 25742B 902 SE
Commentaires sur ces manuels