Safety - Honeywell Apex Technical Handbook

MAN0604_Issue 09_02-2013
2110M8030
Ensure that you read and understand this handbook BEFORE installing/operating the equipment.
Pay particular attention to the Safety Warnings.
1. This gas detection equipment is certified for and intended for use in potentially hazardous
areas. Install and use the equipment in accordance with current local and national
regulations.
2. Refer to the control drawings included in this document when installing the certified
components.
3. Operators should be fully aware of the action to be taken if the gas concentration exceeds
alarm level.
4. Do not modify or alter the construction of any of the units as essential safety and certification
requirements may be invalidated.
5. The equipment is not suitable for use in oxygen enriched atmospheres (>21%V/V). Oxygen
deficient atmospheres (<10% V/V) may suppress some sensor outputs.
6. The equipment is intended for use at atmospheric pressure only and should not be used in
pressures exceeding 1.1 bar.
Transmitter Unit only
1. inpUT vOlTAgE mUST nOT ExcEEd ThE STATEd mAximUm (32v dc) AS
ESSEnTiAl SAFETY REqUiREmEnTS mAY BE invAlidATEd And ThE UniT mAY BE
pERmAnEnTlY dAmAgEd.
2. Alarms should not be reset until it is confirmed that gas is not present.
3. Hazardous voltages may exist at alarm contacts. Ensure power is disconnected at source
prior to servicing contacts.
4. Gas events occurring while accessing the Transmitter Unit menus will not be reported locally.
5. Overrange flammable gas readings may indicate an explosive concentration of gas.
Certified Sensor only
1. When installed to measure flammable gas it is essential that either the Transmitter unit or
control network is configured to latch the overrange condition. If the Transmitter unit local
relays are used this should be achieved by enabling the overrange latching function of the
Transmitter unit. Depletion of oxygen as a consequence of displacement by flammable gas
can result in the gas reading returning to zero.
2. Change gas cartridges using the procedure described in this handbook. Failure to correctly
follow the procedure could result in the wrong cartridge being installed, and possibly non-
detection of events. Alternatively, extraneous alarms could be triggered by chemicals
detected but not of concern at a particular location.
3. Sensor cartridges may contain corrosive solutions. Dispose of in accordance with local and
national regulations.
4. During usage, as some gases may be hazardous, outlets from accessories, etc., e.g. Flow
Housing, should exhaust to a safe area.

SAFETY

WARningS
2
Apex