04. 02. 20. Document Number 671835
2
Nuaire |
Western Industrial Estate
|
Caerphilly
|
CF83 1NA
|
nuaire.co.uk
SQFT
Installation Manual
1.2 Important Information
This manual contains important information on the safe and
appropriate assembly, transport, commissioning, operation,
maintenance, disassembly and simple troubleshooting of the product.
While the product has been manufactured according to the accepted
rules of current technology, there is still a danger of personal injury or
damage to equipment if the following general safety instructions and
the warnings contained in these instructions are not complied with.
•
Read these instructions completely and thoroughly before
working with the product.
•
Keep these instructions in a location where they are accessible
to all users at all times.
•
Always include the operating instructions when you pass the
product on to third parties.
1.3 Personal Protective Equipment
The following minimum Personal Protective Equipment (PPE) is
recommended when interacting with Nuaire product:
•
Protective Steel Toed Shoes -
when handling heavy objects.
•
Full Finger Gloves (Marigold PU800 or equivalent) -
when
handling sheet metal components.
•
Semi Fingerless Gloves (Marigold PU3000 3DO or equivalent)
- when conducting light work on the unit requiring tactile
dexterity.
•
Safety Glasses
- when conducting any cleaning/cutting operation
or exchanging filters.
•
Reusable Half Mask Respirators
- when replacing filters which
have been in contact with normal room or environmental air.
Nuaire would always recommend a site specific risk assessment by a
competent person to determine if any additional PPE is required.
2.0 INTRODUCTION
The Twin SSFT fan range is designed for in-duct application.
Manufactured from galvanised sheet steel, they are suitable for
indoor and outdoor installation. They can be installed with the
airflow discharging horizontal or vertically upward. Backdraught
dampers are fitted to prevent internal recirculation.
Operating range: 0°C to 90°C; up to 100% RH within the duct; please
note the motor must be located in ambient temperature between
-10°C to 40°C.
When conveying moisture laden air, provisions must be made to drain
off any condensate from within the duct work.
Basic versions of the fan are supplied without any controls. It is the
responsibility of the specifier and/or contractor to provide a suitable
control for the fan and fan failure detection.
The units are designed for:
S1 DUTY - Day to day operation and in the event of fire a one off
emergency use.
2.1 Code Description:
SQFT 4 5 T
| | | |
1 2 3 4
1. Range:
Square Twin In-line Fan
2. Motor Poles:
4 or 6
3. Size:
1, 2, 3, 4, 5 or 6 (4 Pole Motors Only)
1, 2, 3 or 4 (6 Pole Motors Only)
4. Control Type:
No Suffix
= Speed Controllable
T
= Two Speed Motor Control
3.0 DELIVERY & HANDLING
All equipment is inspected prior to despatch and leaves the factory in
good condition. Upon receipt of the equipment an inspection should
be made and any damage indicated on the delivery note. Particulars of
damage and/or incomplete delivery should be endorsed by the driver
delivering the goods before offloading by the purchaser.
No responsibility will be accepted for damage sustained during the
offloading from the vehicle or on the site thereafter. All claims for
damage and/or incomplete delivery must be reported to Nuaire within
two days of receipt of the equipment.
Always handle the units carefully to avoid damage and distortion. If
mechanical aids are used to lift the unit, spreaders should be employed
and positioned so as to prevent the slings, webbing etc. making contact
with the casing.
Note the weight from the rating plate, lift using slings attached to the
four lifting eyes as (figure 1).
Always lift the unit by attaching the sling to the motor mounting arms
and load spreaders must be used to prevent distortion to the fan case.
IMPORTANT
Please ensure that there is adequate clearance for the removal
of the motor/fan assembly for maintenance purposes.
4.1 Mechanical Installation
The fans are suitable for both indoor and outdoor installation. Note
that any control must be wall mounted in both indoor and outdoor
situations.
The fans can be mounted with the airflow discharging horizontally
or vertically upward. These units contain heavy rotating parts, please
ensure any framework and structure can adequately support the weight
of the unit. Do not use the flanges of the fan to support the weight of
the ductwork; these must be supported separately.
4.0 INSTALLATION
Installation must be completed by competent persons, in accordance
with good industry practice and should conform to all governing and
statutory bodies regulations i.e. IEE, CIBSE, etc. and EN standards etc.
Before commencing installation check that all material, including
mounting feet and optional ancillaries are available to complete the
work. Every unit is tested and serialised at works and a test certificate
produced, the details are also recorded on the fan side rating plate
which should also be referred to before handling and installation. Any
damage or deviations should be immediately reported to the seller/
supplier/agent quoting the order and rating plate details.
1
Lifting Unit Via Load Spreader