Pneumatech HTM2022 User manual

Medical Vacuum Plant – HTM2022 & HTM02-01
Plant Systems
Operation and Maintenance Manual

Installation, Operation and Maintenance Manual
Medical Vacuum Plant Page 55
Published by Pneumatech Medical Gas Solutions
All possible care has been taken in the preparation of this publication, but Pneumatech
Medical Gas Solutions accepts no liability for any inaccuracies that may be found.
Pneumatech Medical Gas Solutions reserves the right to make changes without notice both to
this publication and to the product which it describes.
Copyright © 2015 Atlas Copco All rights reserved.
No part of this publication may be reproduced, transmitted, transcribed, or stored in a retrieval
system or translated into any human or computer language in any form or by any means
without the prior permission of Pneumatech Medical Gas Solutions.
Important
Personnel must make themselves familiar with the contents of this manual and the function of
the unit before installing, operating or maintaining any Medical Vacuum Plant
Information contained in this manual is correct at the date of publication. The policy of
Pneumatech Medical Gas Solutions is one of continuous product improvement. Pneumatech
Medical Gas Solutions reserves the right to make changes that may affect instructions in this
manual without prior notice.
For any enquiry regarding the servicing or repair of this device, contact the nearest accredited
Pneumatech Medical Gas Solutions agent, or communicate directly with:
Pneumatech Medical Gas Solutions
Unit 18 Nuffield Centrum
Nuffield Way
Abingdon
Oxfordshire
OX14 1RL
UK
http://www.p-mgs.com
Sales Spares Service
Tel: [phone] Tel: [phone] Tel: [phone]
Fax: [phone] Fax: [phone] Fax: [phone]
[e-mail] [e-mail] [e-mail]
Any complaints about the products or services provided by Pneumatech Medical Gas
Solutions, please give as much of the following information as possible:
Product Part Number
Lot/ Batch Number
Approximate date of purchase
Apparent fault.
Complaints
T: 44 (0) 1235 463010
F: 44 (0) 1235 463011
[e-mail]

Installation, Operation and Maintenance Manual
Page ii Medical Vacuum Plant
Issue Record
Issue No. Reason for Change Pages affected Date
00 First issue All 2015
Introduction
This manual contains information needed to install, operate and maintain the Pneumatech Medical
Gas Solutions (Pneumatech MGS) vacuum plant.
The contents of this manual are intended to be read and used by suitably qualified personnel.
AC input power connection
Electrical supply requirements vary with different pump models.
Incoming wiring must include neutral and earth.
WARNINGS, CAUTIONS and NOTES
The following Warnings, Cautions, and Notes must be read and understood before using the Vacuum
Plant.
Warnings!
Warnings tell you about dangerous conditions that could lead to death or serious injury to the user
that can occur if you do not obey all of the instructions in this manual.
WARNING! Read through this entire instruction manual before using or showing others how
to use this equipment. As with all medical equipment, attempting to use this device without a
thorough understanding of its operation may result in patient or user injury.
WARNING! Wear protective gloves when handling oily components.
WARNING! The interlock isolator on the Pump Starter Panel must be isolated (switched off)
and locked in the off position before accessing pump electrical compartments or mechanical
drives.
WARNING! Wear protective gloves when handling vacuum pump internal components.
Components upstream of and including the aftercooler may reach temperatures of over 100°C
during operation.
WARNING! Do not attempt to modify this device in any way not strictly described within this
manual.
WARNING! Medical vacuum plant must be protected from access by unauthorised
personnel.
WARNING! Ear defenders (hearing protection) maybe needed, especially during
maintenance if acoustic enclosures are removed.
WARNING! The surfaces of the pumps and components connected to them reach high
temperatures when operating for long periods.
WARNING! Pump starter panels are supplied with dangerous voltages. The mains supply
must be isolated (switched off) and locked in the off position before attempting to access live
components in the pump starter panel.
WARNING! Wear protective gloves when handling oily components.

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Cautions!
Cautions tell you about dangerous conditions that can occur and cause damage to the equipment if
you do not obey all of the instructions in this manual.
CAUTION! Use of sub-standard or inappropriate parts and materials may damage the product
and invalidate the warranty. Only use genuine Pneumatech Medical Gas Solutions spare parts.
CAUTION! Be careful not to over-torque face seal fittings.
CAUTION! Only use leak detection fluids that are compatible with the materials being tested.
CAUTION! Always wash leak detection fluids off with clean water immediately after use.
CAUTION! The control system contains static sensitive electronic components; do not touch
without appropriate precautions. Always wear an anti-static wrist strap when touching printed
circuit board assemblies. Failure to do so may result in irreparable damage to electronic
components and will invalidate the warranty.
CAUTION! Do not stand on a vacuum pump or bacteria filter assembly.
CAUTION! Always open valves slowly.
CAUTION! Before starting any motor check the pump oil level. Refer to the manufacturers
specific instructions provided with the pump.
CAUTION! Do not cover or occlude fan ventilation ports.
Notes:
1. All information, specifications and illustrations within this manual are those in effect at the time
of printing.
2. The manufacturer reserves the right to change or make improvements without notice and
without incurring any obligation to make changes or add improvements to products previously
provided.
3. Spectrographic oil analysis is recommended to monitor lubrication efficiency and to extend
the life of oil-lubricated rotating machinery.
Abbreviations used
The following abbreviations are used in this manual:
Abbreviation Full name
MGS Medical Gas Solutions
kPA Kilopascal
R.H. Relative Humitidy
IP4X Ingress protection Class (for indoor
installation only)
DIN Deutsches Institut für Normung
HTM Health Technical Memorandum
LED Light Emitting Diode
CAN Controller Area Network
LAN Local Area Network
EFL Emergency Forced Local
°C Degrees Celsius
ARAF Auto Restart After power Failure
h Hour
IO Input/Output
AC Alternating Current
V Volts
Hz Hertz

Installation, Operation and Maintenance Manual
Page iv Medical Vacuum Plant
Scope of this manual
This manual describes the Operation Service, Repair and Testing of the Pneumatech MGS Medical
Vacuum Plant.
Pneumatech Medical Gas Solutions service contact
In the event of any queries or problems that cannot be resolved using information in this manual,
please call:
44 (0) 1235 463051
Quote if possible, the:
•Product part number
•Lot/ Batch number
•Approximate date of purchase
•Apparent fault

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Medical Vacuum Plant Page 55
Contents
Medical Vacuum Plant – HTM2022 & HTM02-01 1
Plant Systems 1
Issue Record...................................................................................................................ii
Introduction.....................................................................................................................ii
AC input power connection .............................................................................................ii
WARNINGS, CAUTIONS and NOTES ii
Warnings!........................................................................................................................ii
Cautions!........................................................................................................................iii
Notes: ............................................................................................................................iii
Abbreviations used.........................................................................................................iii
Scope of this manual......................................................................................................iv
Pneumatech Medical Gas Solutions service contact......................................................iv
Safety, Storage and Handling ix
Storage..........................................................................................................................ix
Pneumatech Medical Gas Solutions Medical Vacuum Plant can be safely handled and
stored under normal working and environmental conditions...........................................ix
Adverse environmental conditions and harsh abrasives or chemicals may cause
damage to the unit. ........................................................................................................ix
All products are separately packaged and stored under controlled conditions................ix
Identification...................................................................................................................ix
Environmental Conditions ..............................................................................................ix
1 Introduction 10
1.1 Intended Use.........................................................................................................10
2 Technical Specification 11
3 User Responsibility 12
4 Description of Symbols 12
5 Technical information 14
5.1 Major components.................................................................................................14
5.1.1 Vacuum pumps.........................................................................................................14
5.1.2 Vacuum vessel..........................................................................................................15
5.1.3 Duplex Filter Assembly.............................................................................................15
6 Installation 16
6.1 Environmental Conditions - Installation..................................................................16
6.2 Component check .................................................................................................16
6.3 Installation.............................................................................................................16
7 Commissioning 17
7.1 Pre-test checks .....................................................................................................17
7.1.1 Leak Test..................................................................................................................17
7.1.2 Pre-start-up Tests.....................................................................................................17
7.1.3 Vacuum Pump Testing..............................................................................................18
7.1.4 Commissioning HTM02-01 Medical Vacuum Plant ..................................................18
7.1.5 Triplex Pump System................................................................................................18
7.1.6 Quadruplex Pump System........................................................................................19
7.1.7 Pentaplex Pump System ..........................................................................................19
7.1.8 Commissioning HTM2022 Medical Vacuum Plant ...................................................19
7.1.9 Initial Starting – Vacuum Pumps...............................................................................19
7.1.10 Proving the Vacuum Pumps.....................................................................................20
7.1.11 Proving the Alarm Circuits ........................................................................................20

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7.2 Proving the Alarm Interface Indicator Conditions...................................................20
8 Operating Instructions 21
8.1 Introduction ...........................................................................................................21
8.2 Pump controller.....................................................................................................21
8.2.1 Interface, icons and meny structure..........................................................................21
8.2.2 Scrolling through all screens.....................................................................................24
8.2.3 Pump controller operation.........................................................................................27
8.3 Central controller (PureLogic®).............................................................................34
8.3.1 Interface, icons and menu structure .........................................................................34
8.3.2 Central controller operation ......................................................................................37
8.3.3 Service menu............................................................................................................47
8.4 Controller alarms and faults...................................................................................51
8.4.1 Controller alarms and faults......................................................................................51
8.4.2 Plant fault..................................................................................................................51
8.4.3 Plant Emergency.......................................................................................................54
8.4.4 Pressure fault..............................................................................................................1
8.5 Web server..............................................................................................................2
9 Maintenance 12
9.1 Introduction ...........................................................................................................12
9.2 Tools and equipment.............................................................................................12
9.3 Routine inspection, Checks and maintenance.......................................................12
9.3.1 Cleaning....................................................................................................................12
9.3.2 Minimum requirements .............................................................................................12
9.3.3 Weekly......................................................................................................................12
9.3.4 Monthly .....................................................................................................................12
9.3.5 Six-monthly...............................................................................................................12
9.3.6 Annually....................................................................................................................13
9.4 Servicing the bacterial filters..................................................................................13
9.4.1 Sterilise the Drain Trap.............................................................................................13
9.4.2 Renew the Filter Element .........................................................................................14
10 Recommended Spares 37
Figures
Figure 1; Identification label................................................................................................................... ix
Figure 1-1; Medical Vacuum Plant (Modular) – General view..............................................................10
Figure 5-1; Quadruplex Vacuum Plant system diagram.......................................................................14
Figure 7-1; Pump Control Panel ...........................................................................................................18
Figure 8-1; PureLogic® Pump Controller..............................................................................................21
Figure 8-2; PureLogic® Pump Controller Icons....................................................................................22
Figure 8-3; Pump Controller Panel .......................................................................................................24
Figure 8-4; Example (operating hours).................................................................................................24
Figure 8-5; PureLogic® Pump Controller – Menu flow.........................................................................26
Figure 8-6; Pump Controller..................................................................................................................27
Figure 8-7; Example of running hours on display since last service.....................................................29
Figure 8-8; Pump controller – CAN settings .........................................................................................29
Figure 8-9; Pump controller – IP settings..............................................................................................30
Figure 8-10; Pump controller – Changing the pressure unit.................................................................31
Figure 8-11; Pump controller – ARAF...................................................................................................32
Figure 8-12; Pump controller – Password.............................................................................................33
Figure 8-13; PureLogic® Central Controller .........................................................................................34
Figure 8-14; Central controller – Main Menu flowchart (full access situation)......................................35

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Figure 8-15; Central controller – entering password.............................................................................37
Figure 8-16; Central controller – testing the alarms..............................................................................38
Figure 8-17; Central controller – CAN settings.....................................................................................38
Figure 8-18; Central controller – setting up the ECO............................................................................39
Figure 8-19; Central Controller – Starting the ECO..............................................................................42
Figure 8-20; Central controller – ECO Local.........................................................................................42
Figure 8-21; Central Controller – Isolating a pump...............................................................................43
Figure 8-22; Central Controller – Event history.....................................................................................44
Figure 8-23; Central controller – Information........................................................................................44
Figure 8-24; Central controller – Counters............................................................................................44
Figure 8-25; Central controller – Inputs and outputs ............................................................................45
Figure 8-26; Central controller – Ethernet.............................................................................................46
Figure 8-27; Central controller – Protections........................................................................................47
Figure 8-28; Service menu – service icon.............................................................................................47
Figure 8-29; Service menu – Service menu overview ..........................................................................48
Figure 8-30; Service menu – Service plan............................................................................................49
Figure 8-31; Service menu – Next service............................................................................................49
Figure 8-32; Service menu – History ....................................................................................................49
Figure 8-33; Service menu – Service maintenance..............................................................................50
Figure 8-34; Controller alarms and faults – Plant fault .........................................................................51
Figure 8-35; Controller alarms and faults – Pumps commands............................................................52
Figure 8-36; Controller alarms and faults – Plant Emergency..............................................................54
Figure 8-37; Controller alarms and faults – Pressure Fault....................................................................1
Figure 8-38; Web server – USB to LAN adapter.....................................................................................2
Figure 8-39; Web server – UTP cable (CAT 5e).....................................................................................2
Figure 8-40; Web server – My Network places.......................................................................................3
Figure 8-41; Web server – View network connections ...........................................................................3
Figure 8-42; Web server – Local area connection..................................................................................4
Figure 8-43; Web server – Properties.....................................................................................................4
Figure 8-44; Web server – Internet protocol...........................................................................................4
Figure 8-45; Web server – Internet explorer...........................................................................................5
Figure 8-46; Web server – Internet explorer...........................................................................................6
Figure 8-47; Web server – Internet explorer...........................................................................................7
Figure 8-48; Web server – Proxy settings...............................................................................................8
Figure 8-49; Web server – Web interface...............................................................................................8
Figure 8-50; Web server – Language selection......................................................................................9
Figure 8-51; Web server – Preferences..................................................................................................9
Figure 8-52; Web server – Analog inputs ...............................................................................................9
Figure 8-53; Web server – Counters.....................................................................................................10
Figure 8-54; Web server – Info status...................................................................................................10
Figure 8-55; Web server – Digital inputs...............................................................................................10
Figure 8-56; Web server – Digital outputs ............................................................................................10
Figure 8-57; Web server – Special protections.....................................................................................11
Figure 8-58; Web server – Service plan ...............................................................................................11
Figure 9-1; Servicing the bacterial filters – drain tap ............................................................................14
Figure 9-2; Servicing the bacterial filters – filter element renewal........................................................14
Figure 9-3; Central Vacuum controller – Wiring diagram......................................................................16
Figure 9-4; DOL Vacuum Pump Controller – Wiring Diagram..............................................................23
Figure 9-5; YD Vacuum Pump Controller – Wiring diagram.................................................................30
Tables
Table 2-1; Technical Specification........................................................................................................11
Table 8-1; PureLogic® Pump Controller...............................................................................................22
Table 8-2; PureLogic® Pump Controller Icons .....................................................................................23
Table 8-3; PureLogic® Pump controller – screen overview..................................................................25

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Table 8-4; PureLogic® Pump Controller – menu flow ..........................................................................27
Table 8-5; Pump controller – LAN/local switch.....................................................................................28
Table 8-6; PureLogic® Central Controller.............................................................................................34
Table 8-7; Central controller – Main Menu flowchart (full access situation) .........................................35
Table 8-8; PureLogic® Central Controller – Pump...............................................................................36
Table 8-9; Central controller – Fault icons (more details in section Plant fault). ..................................36
Table 8-10; Central controller – other settings......................................................................................39
Table 8-11; Central controller – ECO slave settings.............................................................................41
Table 8-12; Plant fault...........................................................................................................................53
Table 9-1; Inspection and Maintenance Schedule................................................................................13

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Safety, Storage and Handling
Storage
Pneumatech Medical Gas Solutions Medical Vacuum Plant can be safely handled and stored under
normal working and environmental conditions.
Adverse environmental conditions and harsh abrasives or chemicals may cause damage to the unit.
All products are separately packaged and stored under controlled conditions.
Identification
The Pneumatech MGS Medical Vacuum Plant is identified by the machine number, printed onto a
label located to the side of the control box (see Figure 1-1) and details:
•Model number
•Reference number
•Serial number
•Pump/ pump supply voltage and frequency
Figure 1; Identification label
Environmental Conditions
Pneumatech MGS Medical Vacuum Plant can be safely handled and stored under normal working
and environmental conditions.
Adverse environmental conditions and harsh abrasives or chemicals may cause damage to the unit.

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1 Introduction
1.1 Intended Use
The Pneumatech MGS Medical Vacuum Plant provides a proven and reliable means of
generating vacuum in hospitals. The Vacuum Plant is manufactured and tested in accordance
with current British Standards and can consist of up to five identical vacuum pumps, one or more
vacuum vessels, and duplex bacterial filters.
A fully automated electronic control system, with manual override, minimises energy consumption
and vacuum pump wear. The configuration of the plant, which includes all interconnecting pipe
work and wiring, is totally flexible and can be arranged to suit restricted plant rooms or those with
difficult access.
Features:
•High quality, quiet and reliable rotary vane vacuum pumps.
•Automatic control system ensures economical operation, no day to day input required.
•Monitoring includes ‘plant to alarm interface and indicator’.
•Multi-purpose test point fitted adjacent to plant/ pipeline interface.
•Plant can be customised to suit individual installation.
•Quick and simple installation.
Figure 1-1; Medical Vacuum Plant (Modular) – General view

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2 Technical Specification
Table 2-1; Technical Specification
Product name
Physical Characteristics:
Height Varies with model
Width Varies with model
Depth Varies with model
Weight Varies with model
Environmental Transport, Storage and Operating Conditions:
Temperature transport/ storage 5 to 40°C
Operating Temperature
10 to 40°C
Operating conditions: Ventilation should be provided
to ensure that the plant room temperature does not
exceed ambient temperature by more than 10°C.
Humidity 0 to 95% R.H. Non-condensing
Electrical Specification
Panel Electrical supply Varies with model
Pump Electrical supply Varies with model
Protection against electric shock Class 1 (requires protective earth)
Mode of operation Continuous (may be left on indefinitely)
Ingress Protection Class IP4X – for indoor installation only
Degree of mobility Permanently installed
Performance:
Volumetric Flow Rate Varies with model
Regulatory Classification:
GMDN Code (Term) 36271 (Medical gas and vacuum supply systems)
EC MDD Classification Class IIb
GHTF Classification Class C

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3 User Responsibility
This device has been built to conform to the specification and operating procedures stated in this
manual and/ or accompanying labels and notices when checked, operated, maintained and
serviced in accordance with these instructions.
To ensure the safety of this device, it must be checked and serviced to at least the minimum
standards laid out in this manual. A defective or suspected defective product must not be used
under any circumstances.
The user must accept responsibility for any malfunction which results from non-compliance with
the servicing requirements detailed in this manual. Additionally, the user must accept
responsibility for any malfunction which may result from misuse of any kind, or non-compliance
with other requirements detailed in this manual.
Worn, broken, distorted, contaminated or missing components must be replaced immediately.
Should such a replacement repair be necessary, it is recommended that a request for service
advice be made to the nearest Pneumatech Medical Gas Solutions Service Centre.
This device and any of its constituent parts must be repaired only in accordance with written
instructions issued by Pneumatech MGS and must not be altered or modified in any way without
the written approval or Pneumatech MGS.
The user of this equipment shall have the sole responsibility for any malfunction which results
from improper use, maintenance, repair, damage or alteration by anyone other than Pneumatech
MGS or their appointed agents.
4 Description of Symbols
WARNING!
Indicates a potentially hazardous situation which, if not avoided, could result in
personal injury to the user or others.
CAUTION!
Indicates a potentially hazardous situation which, if not avoided, could result in
damage to the device or property.
Note:
Emphasises points to achieve more convenient or efficient use of the device.
Warning! Motor starts automatically
Warning! Surfaces may be hot and should not be touched
Warning! Dangerous voltage
Warning! Beware of sudden loud noises
Static sensitive components: take appropriate precautions
Wear ear defenders
Wear eye protection
Wear hand protection
Protective earth connection
Ambient pressure range
xxx kPa
xx kPa

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Ambient humidity range
Ambient temperature range
Consult accompanying documents
Service due date
The CE mark demonstrates that the product conforms to the requirements in the
European Council Directive 93/42/EEC concerning medical devices.
The number 0088 identifies the notifying body under which the Quality Systems
operated within Pneumatech MGS.
Consult accompanying documents
L
Connection for the live conductor on permanently installed equipment
N
Connection for the neutral conductor on permanently installed equipment
E
Connection for the earth conductor on permanently installed equipment
xx %
xx %
xx °C
x °C

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5 Technical information
Figure 5-1; Quadruplex Vacuum Plant system diagram
5.1 Major components
Each Pneumatech Medical Vacuum Plant consists of:
1. HTM 2022 - Two or more vacuum pumps, up to a maximum of six, any of which can be
selected as Duty pump.
2. HTM 02-01 - Three or more vacuum pumps, up to a maximum of six, any of which can be
selected as Duty pump.
3. Pump monitors which indicate the status of their respective vacuum pumps.
4. Vacuum vessel(s) with manual drain and isolation valves.
5. A filter frame with two filter sub-assemblies, each including:
a. Manual isolating valves.
b. Bacterial filter assemblies.
c. Plant Control Unit.
d. Plant to alarm interface.
5.1.1 Vacuum pumps
•Direct driven, air cooled, oil flooded, rotary vane vacuum pumps are provided as
standard.
•The pumps are continuously rated and cannot be overloaded by continuous operation at
high vacuum.
•Each pump includes an inlet filter and a non-return valve is provided at the inlet port to
protect the vacuum vessels and piped distribution system from inadvertent pressurization.
•A condensate trap is fitted at each exhaust port. Except when mounted directly to the
vacuum vessels each pump is individually mounted on a pump base for maximum
flexibility of the plant layout.

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5.1.2 Vacuum vessel
One or more vacuum vessels are supplied, manufactured in accordance with BS5169:1992 or BS
EN 286-1:1998 and tested to PD5500. Each vessel is provided with a manual drain.
5.1.3 Duplex Filter Assembly
•The filter module has duplex bacterial filters, with manual isolating valves to enable the
selection of Duty and Standby.
•Bacterial filter elements guarantee bacterial removal to 0.005% when tested to BS3928 at
full design flow.
•Each filter is complete with a sterilisable drain flask with isolating valve, and a differential
pressure gauge to indicate when the element needs replacing.

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6 Installation
Pneumatech MGS Medical Vacuum Plant should only be installed, commissioned, and
maintained by technicians who are suitably trained with piped medical gas systems, and who are
fully conversant with the contract specifications and safety procedures.
Note: It is essential the installation of the plant is in accordance with the requirements of HTM
2022 and HTM 02-01, (as applicable) and must include an alarm system which has been proven
and certified prior to the plant being accepted for use.
6.1 Environmental Conditions - Installation
WARNING! Keep all components dry and clean during storage and installation.
WARNING! Pneumatech Medical Gas Solutions vacuum plant can be safely handled and
stored under normal working and environmental conditions.
Adverse environmental conditions and harsh abrasives or chemicals may cause damage
to the unit.
WARNING! Ventilation should be provided to ensure that the plant room temperature
does not exceed ambient temperature by more than 10°C.
6.2 Component check
Inspect all components as they are unpacked.
All plants have a plant rating label, affixed to the side of the Plant Control Unit indicating product
description, output, part number and batch number, fitted to the Plant Control Unit.
Vessel rating labels are attached to the vacuum vessel(s).
6.3 Installation
1. Pneumatech MGS Medical Vacuum Plant should be installed within a plant room that provides
adequate ventilation with an ambient temperature between +10°C and +40°C.
2. Ventilation should be provided to ensure that the plant room temperature does not exceed an
ambient temperature by more than 10°C.
Note: 75% of all energy consumed is dissipated into the plant room.
3. There should be at least 500 mm between plant components and any walls or other
obstructions.

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7 Commissioning
Commissioning is carried out in full:
•After initial installation.
•After a major component change, and
•As part of a planned preventative maintenance programme.
The object of commissioning is to ensure that all components are serviceable. Personnel carrying
out the following commissioning procedure must be qualified and fully conversant with the
information contained in this manual.
7.1 Pre-test checks
7.1.1 Leak Test
Pressure for leak testing purposes must not exceed 7 bar, and should only be applied with the
drain valve and drain flask removed.
As supplied, the plant operates under vacuum conditions. It is not possible to create a hazardous
situation by drawing a vacuum on the vessel. Any positive pressure in the system should be
considered hazardous.
7.1.2 Pre-start-up Tests
1. Check that all pipes are connected, all unions made and that the plant is mechanically
secure.
2. Check that all electrical connections are in place and that they have been correctly made.
3. Check that the pumps have been filled with the correct level of lubricant.
4. Check that the isolating valves between the pumps and the vessels are open.
5. Check that the sensing line between the control panel and the plant/ pipeline interface is
connected.

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7.1.3 Vacuum Pump Testing
Figure 7-1; Pump Control Panel
1. Switch on the main isolator to pump No.1.
2. Check the rotation and switch off the isolator.
3. Repeat this procedure for the other pump(s).
4. If the rotation of any of the pumps is incorrect, isolate the supply and reverse L1 (red) and
L3 (blue) phase wires at the pump connection box.
7.1.4 Commissioning HTM02-01 Medical Vacuum Plant
7.1.5 Triplex Pump System
Triplex systems have one Duty, one Standby and one Reserve pump.
The location of Duty, Standby and Reserve pumps is rotated automatically to ensure equal usage
of all pumps.
Each pump is sized to provide the full system design flow.
1. Switch on all isolators and allow the pumps to evacuate the vessel to the Duty cut-out of
650 mmHg.
2. Identify the Duty pump and vent the vessels, via one manual drain until the Duty pump
starts.
3. Isolate the Duty pump and continue to vent the vessels until the Standby pump starts.
4. Isolate the Standby pump and continue to vent the vessels until the Reserve pump starts.