FirstCall™ Medical Gas Alarm
Operating & Maintenance Manual
Powerex • 150 Production Drive • Harrison, OH 45030 • USA
P 1.888.769.7979 • F 513.367.3125 • www.powerexinc.com
IN599102AV • 15 September 2020
Page 7 of 36
Wiring for Power
For personal safety, lock out and tag
out the associated circuit breaker
disconnect for the source of 120V AC power.
Attention:
Pour votre sécurité personnelle, verrouillez et étiquetez le
sectionneur du disjoncteur associé pour la source
d’alimentation de 120 V CA.
For personal safety and to avoid
damage to the alarm, ensure that the
circuit breaker is in the OFF position.
Attention: Pour
votre sécurité personnelle et pour éviter d’endommager
l’alarme, assurez-vous que le disjoncteur est en position
OFF.
Route incoming mains power through the knock-out
at the bottom of the rough-in box with a UL recognized
cable with a minimum gauge of 18 AWG and rated for
100-240V AC, 50/60Hz, 2A, single phase power.
All Models of Powerex FirstCall alarm Panels must be
powered by the life safety branch or critical branch of
the essential electrical system as required in NFPA 99.
Ground wire – Strip ½” of insulation and connect the
ground wire to the appropriate terminal block (GND).
Neutral wire – Strip ½” of insulation and connect the
neutral lead to the appropriate terminal block (N).
Hot wire – Strip the insulation and connect the hot
lead to the appropriate terminal block (120V AC).
Sensor Installation (Area & Combo Alarms Only)
Local Installation
Locate copper risers packaged inside the alarm
rough-in box.
Install the risers into the top of the rough-in box
through the holes provided using NPS threads on brass
fitting and washer.
NOTE:
All access holes in the rough-
in box are plugged with plastic snap in caps.
Braze copper tubes to appropriate building plumbing
using appropriate NFPA 99 procedures. Install the gas
specific DISS demand valve into the appropriate riser.
Pipeline Remote Installation
Sensors may be installed directly onto hospital
pipeline by placing transducer in junction box and
attaching appropriate gas.
ZVB Remote Installation
Sensors may be installed remotely in Powerex zone
valve boxes using appropriate Powerex zone valve box
sensing kit.
Part Number
Description
SENSE-O2
Oxygen Sensing Kit
SENSE-AIR
Medical Air Sensing Kit
SENSE-VAC
Medical Vacuum Sensing Kit
SENSE-N2O
Nitrous Oxide Sensing Kit
SENSE-N2
Nitrogen Sensing Kit
SENSE-CO2
Carbon Dioxide Sensing Kit
SENSE-WAGD
WAGD Sensing Kit
SENSE-INST
Instrument Air Sensing Kit
Remove the plug from the top port on the appropriate
valve in the zone valve box. Install ⅛” to ¼” reducer
elbow into the port.
Install the ¼” to DISS adapter with demand valve into
the reducer elbow.
Attach the transducer to the DISS fitting.
Summary of Contents for AAP10-OAV
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