9
N-2
© FANTECH
2016
INSTALLATION, WIRING DIAGRAMS & FAN TROUBLE SHOOTING
INSTALLATION & MAINTENANCE
N
GENERAL INSTRUCTIONS
OFF-LOADING
During off-loading inspect fans for damage. If the casings, cowls or impellers are
damaged, notify your local Fantech distributor immediately.
Fantech cannot be held responsible for any loss or damage incurred to goods during
transport, off-loading or on site.
SITE STORAGE
The fans must be stored in a clean, dry, protected and vibration-free area. The fan
impellers should be rotated daily to prevent bearing damage. Failing to follow these
instructions may void the warranty.
MAINTENANCE
Install fans and accessories to allow service access for maintenance and for the
replacement of assemblies and component parts, without disturbance of other items of
plant and building elements.
Most motors are fitted with sealed-for-life bearings which are maintenance-free. It is
recommended that fans be inspected initially at 3-monthly intervals, to clean the blades
and motor and to check for tightness of fastenings.
Where fans are used for kitchen exhaust or other applications where the air
contains high amounts of dust, residue and other contaminants, fans should be
cleaned and maintained at more frequent intervals appropriate for the application.
Motor overloads/contactors should also be inspected to ensure correct operation.
Should external lubricators be fitted, please refer to
LUBRICATION INSTRUCTIONS
in the ‘Installation and Maintenance’ instructions included with each fan.
If the fans are belt driven, check pulley alignment and belt tension before starting the fan.
Belt tension must be checked 2 - 4 weeks after start-up.
MOTORS
All standard motors are suitable for operation in air temperatures between -20°C and
+40°C. If higher temperatures are required, contact your local Fantech supplier.
Standard motors are
not
suitable for handling saturated air containing water droplets
or for some corrosive fumes. For severe applications, special motors and finishes may
be required. Customers are requested to discuss these applications with our sales
engineers to ensure a fan suitable for the application is selected.
WARNING
- Failure to do so could void warranty.
ELECTRICAL
WIRINGWITH VARIABLE SPEED DRIVES
Fans to be connected to Variable Speed Drives (VSD) or equivalent electronically
controlled power supply, must be wired according to the VSD wiring instructions.
This is to ensure conformance to legislated EMC requirements as well as protection
against premature product failure. The wiring will typically require EMC shielded cable
between the VSD and motor, terminated so that there is good 360° contact between
the sheath and both the EMC motor gland at one end and at the VSD at the other end.
Motors supplied by Fantech are typically not supplied with an EMC gland, and these glands
should be purchased at the same time as the supply lead to ensure the grommet fits
the cable correctly.
Not all products supplied by Fantech are suitable for VSD drives. Clarification of what
products are suitable can be found in our online catalogue at
www.fantech.com.au.The list below covers some of the products that are not suitable.
O
EC motor products
O
Single phase products.
O
External rotor motor products require “ALL POLE” sinusoidal filters.
SUPPLY
Read the fan data label to determine the number of phases and amperage drawn by
the unit. Check that the available supply is suitable.
EARTHING
All fans must be earthed in accordance with AS/NZS3000:2007 and local supply regulations.
WIRING
Wiring must be in accordance with AS/NZS3000:2007 and local supply regulations.
Wiring diagrams are provided with all fans. Wiring diagrams are shown on pages
N-6/9
.
PROTECTION
Fuses in the circuit should be regarded as protecting the wiring only against short circuit,
they are not suitable for overload protection. Fuses must be able to carry starting loads
and these can be taken as a minimum of six times the running current for 25 seconds.
All three-phase motors must be provided with differential action, single-phasing protection
and overload current protection. Failure to provide single-phasing protection will void warranty.