Table of Contents
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Fans for emergency operation at high ambients for a limited period
1. SAFETY
Warning and safety information relevant to specific operations are contained within each section. The following warning
or advice categories are used:
DANGER!
WARNING! Failure to follow these instructions may result in minor injury or damage to the equipment.
CAUTION! Failure to follow these instructions may result in malfunction or damage to the equipment
DANGER!
This product contains rotating parts and electrical connections which can be a danger and cause injury. It is of
paramount importance for any fan that is required to function in emergency conditions, that the installer and user
must follow all relevant instructions contained within this leaflet, as well as those contained within our general
Instruction leaflet, which is supplied with this product.
To ensure that fans will operate continuously during a high air temperature emergency, the electrical system must have been
designed and installed to accommodate the specific emergency conditions of temperature and duration.
A maintenance procedure must be put in place and a record of the activities that have been performed must be kept.
2. INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
These instructions apply to all axial fans within our range and must be read in conjunction with advice related to our standard
temperature fans (see sections 12 onwards). Note: Where fans have a foot-mounted motor fitted, then the motor mounting
feet must be positioned underneath the motor. Foot mounted motors must never be suspended from their mounting feet.
If in doubt, please refer to Woods Air Movement USA (sales.us@flaktgroup.com)
3. SITE STORAGE, SUPPLY, INSTALLATION
WARNING!
When fans are stored (prior to installation), please ensure that access by un-authorized persons is prevented, by
using guards, barriers or secure premises to ensure that fan impellers (which may be rotating) do not present a
hazard. For more specific advice please refer to sections 12 onwards.
These instructions relate to all fans rated up to and including 572°F for 2 hours which are designed to be mounted into or on
the end of ductwork that is situated outside the fire zone. All high temperature fans (designed for smoke extraction) are also
suitable for use within fully immersed conditions (i.e. where fans are mounted inside the fire zone).
4. OPERATING CONDITIONS
Under emergency conditions, our fans are suitable for the temperature/time capability stated on their name plate or in
accompanying documentation. e.g. 572°F for 2 hours, which denotes that a fan is suitable for a single use at an emergency
condition.
Unless otherwise stated fans are suitable for continuous operation, prior to the emergency, in ambient temperatures of -40°F
to +104°F. They are only suitable for start-up between -4°F to +104°F. On the fan nameplate, the maximum temperature may
be shown as +104°F but when installed for emergency use, the temperature/time capability will be as shown on an additional
label adjacent to the main nameplate.
4
HT SERIES SMOKE VENTING EQUIPMENT
Failure to follow these instructions may result in serious injury or death to the user in addition
to serious damage to the equipment.
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