Services

Services

Terminology or Abbreviation What it stands for or meaning Significance and Implication
High Purity or Cleanline 99.9% Purity Gas services Some specific projects will use gas services with High purity.
RO , DI , Demin water Reverse Osmosis This service is different from normal Hot or cold water, so must be picked up if applicable.
De-ionised
Demineralised
Process Water Flow and Return or Chilled Water Self Explanatory This is a closed loop system for recirculating Process Water and is very commonly used in Fume cupboards. Generally operates at 14 degree C
High Vac High Pressure Vacuum As opposed to normal Vacuum which is low pressure vacuum , some fume cupboards may call for High Vacuum. While there is no difference in the price This is important to note on the Manufacturing worksheet as the correct Hoses need to be ordered suitable for High Vac.
BMS or BMCS Building Management System OR Building Management Control System This relates to DDC ( Direct Digital controls) system used to control , monitor various equipment in Buildings.
Low Level DDC This relates to the use of DDC Inputs / Outputs for communication between equipment.
DI is Digital Input where the signal only has a Yes/No option ( e.g Heat Detector , Remote isolator etc )
DO is a digital Ouput where the signal only has a Yes/No Option ( e.g On/Off status , Fault status etc )
AI is an analogue input where the signal is a variable range signal ( e.g 0-10V or 4-20mA)
AO is an analogue output signal where the signal is a variable range signal ( e.g 0-10V or 4-20mA)
HLI High Level Interface This relates to high level data interface for BMS communication between equipment.
Various languages used in the market are:
MODBUS
BACNET
LONWORKS
 HEPA High Efficiency Particulate Arrestance This relates to filters.
HEPA filters are suitatble for some fume applications but the suitability and selection must be confirmed by the specialist filter company
AC carbon Activated Carbon Filters These filters are suitable for chemical absorbtion but the suitability and selection must be done by the specialist filter company
UPS Uninterrupted Power Supply Used very often as Back up Power in case of Mains Power Failure
Bag In- Bag Out Refers to Bag In – Bag Out Filters Mainly used in Highly contaminated / Radio isotope Areas Systems
To allow Filter Replacement without bypass. Whole filter Box has 2 HEPA filters in series to allow new filter to be placed in Position before bagging the old filter and taking it out.
Essential Power and Non-Essential Power Mains Power feed which is also Generator backed up.
Used to denote Power Supply to Essential Services .
Consequently other supplies are called Non-Essential.
e.g Fume cupboard may have 2 power supplies
1 x Essential Power Supply to feed Controls/VSD/Fan
1 x Non-Essential Power Supply to feed the GPO’s
EMC or EMI Electromagnetic Compatibility or This relates to electronic equipment and components with the intent of reducing interference with other electronic or electrical equipment in the vicinity.
Electromagnetic Interference General covered by :
AS/NZS 61000
AS/NZS 4251.1
Australian Communication and Media Authority
C-Tick Mark
ROHS Reduction of Hazardous substances These guidelines relate mostly to the reduction of Lead and other substances used in teh manufacture of Electronic components ( PCB’s etc )
EWIS Early Warning Information System Generally relates to Fire Trade and is used as part of the fire strategy in the building.
It may be that the Heat Detector activation in the fume cupboard may call for an Output signal from the Fume cupboard controls which may be used in the EWIS Fire strategy.
SS Stainless Steel Exhaust ductwork  or worktops or chambers etc are sometimes specified to be in Stainless Steel.
Thre are a few different SS grade e.g # 304 or #316 as Stainless Steel
Cladding Discharge Stack cladding Some specs call for the PVC Discharge Stacks to be clad with Stainless Steel mainly for Aesthetic reasons
Ceramic Some Users prefer One Piece Ceramic Worktops if they will be doing high temperature work or personal worktop preference based on previous experience etc.
HVAC Heating Ventilation AirConditioning Abbreviation
TEFC Totally Enclosed Fan Cooled Mainly applies to Motors used on Exhaust Fans
Manifolding Combining of Fume cupboard Exhaust ducts to be served by a common Fan This is now allowed by AS2243.8 so will come up more often in the design of the systems.
This involves special features to be suitable for a manifold exhaust design.
Intumescent Fire Damper Fire damper installed in Fire wall to maintain Fire separation When a duct passes through a fire wall ( i.e a wall which separates 2 different fire compartments), then there must be a Fire Damper installed in the wall penetration. The duct then connects to both sides of the Fire damper.
The only Intumescent Fire Damper Certified for fume cupboard application we currently know is the Kilargo IFD-OSS model.
The principle is:
In normal Operation the fire damper is open thus allowing air to pass through
In case of Fire the internal grid of the Fire damper expands to close off the penetration thus maintaining Fire separation between the compartments.
GPO and DGPO General Power Outlet or Double General Power Outlet More commonly known as a power point is technically referred to as a ‘socket outlet’. It’s also less commonly referred to as a GPO, which stands for ‘General Purpose Outlet’ or ‘General Power Outlet’
RCD Residual Current Device An RCD, or residual current device, is a life-saving device which is designed to prevent you from getting a fatal electric shock if you touch something live, such as a bare wire. It can also provide some protection against electrical fires. RCDs offer a level of personal protection that ordinary fuses and circuit-breakers cannot provide.
VSD Variable Speed Drive Variable Speed Drives (VSDs), also known as adjustable speed drives, are exhaust fan electric motors whose speed can be adjusted by means of an external controller. They are used in process control and help saving energy in laboratories that uses fume cupboards
VAV Variable Air Volume Depending on the position of the sash opening, the fan motor speed controlled by the VSD (see above) either speed up or slow down to adjust the air quantity needed for the fume cupboard. This option is usually enabled to help saving energy in laboratories.
CAV Constant Air Volume The exhaust fan speed runs at a fixed set constant speed thus providing fixed air flow. The option is generally used to maintain negative pressure in a room
Sub Duct Refer to AS1668.1 about sub duct. If approved by the fire engineers, it consist of 1m of horizontal stainless steel duct, 1 x 90 deg stainless steel bend and 0.5m of vertical stainless steel duct

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