> « back to results for ""
Below is a cache of http://www.fumehood.net/docs/Stainless.p18.pdf. It's a snapshot of the page taken as our search engine crawled the Web.
The web site itself may have changed. You can check the current page or check for previous versions at the Internet Archive. Yahoo! is not affiliated with the authors of this page or responsible for its content.
ALNOR 335 Fumehood Monitor
C e i l i n g E n c l o s u r e s & A i r M o n i t o r A l a r m s
1 8
AIRGARD
®
335 MONITOR SPECIFICATIONS
Digital Display
3 digit, 7 segment LCD with status indicators and icons.
Electronic bar graph moves through colored zones as the
velocity changes.
Display Units
If digits are enabled, velocity is represented in feet per minute
(fpm) or meters per second (m/s). User selectable through
menu.
Display Range
50 to 250 fpm (0.25 to 1.27 m/s). Over range measurements
shown as Hi. Under range measurements show as Lo.
Resolution
1 fpm or 0.01 m/s.
Accuracy
+/- 10% or 10 fpm, whichever is greater.
Alarm Range
50 to 250 fpm (0.25 to 1.27 m/s).
Alarm Delays
User configurable from 0 to 255 seconds.
Audible Alarm Indication
85dB at 4 inches (10 cm).
Horn Silence
Temporary and permanent.
Night Set Back
Monitor can be remotely disabled.
Visual Alarm Indication
Large red LED for low flow and high flow alarm zones.
Visual Warning Indication
Large yellow LED for low flow warning zones.
Warning offset is configurable through menu.
Visual Normal Indication
Large green LED for normal flow zone.
High Flow Alarm Disable
Audible, visual, and relay disable.
Alarm Relay Output
Nominal Switching capacity 1A at 30 VAC, 0.5A at 125 VAC;
form A relay.
Emergency Purge
Button on front of monitor activates a relay that can be used to
command the fume hood damper to open fully until pressed
again. Nominal Switching capacity 1A at 30 VAC, 0.5A at
125 VAC; form A relay.
External Alarm Input
Intermittent audible and LCD status indicate external alarm.
Sash Override Alarm Input
Audible and LCD status indicators indicate the sash position
switch has been tripped.
Calibration
Two point field calibration required.
Digital Readout
Jumbo LED Lights
3 Color Band
Field Adjustable
Horn Silence
Durable Design
ALNOR 335 Fumehood Monitor
www.fumehood.net tel 616-846-8846
The biggest rewards in life are found outside your comfort zone.
Electrical Specifications
Only applicable for factory prewired hoods, does not apply to
owner/contractor furnished & installed equipment.
ALL ADDITIONAL IN FIELD WIRING SHOULD BE IN
ACCORDANCE TO THE NFPA 70 i.e. THE NATIONAL
ELECTRIC CODE AND OTHER LOCAL ORDINANCES
WHERE APPLICABLE.
Environmental Specifications
Indoor use only;
Altitude up to 2000 m, or above;
Operating ambient temperature range of 5°C to 40°C;
Maximum relative humidity 80% for temperatures up to 31°C
decreasing linearly to 50% relative humidity at 40°C;
Mains supply voltage not to exceed +/- 10% of the nominal volt-
age;
CAT II; (transient overvoltages according to INSTALLATION
CATEGORIES I, II and III. For mains supply the minimum and
normal category is II);
POLLUTION DEGREE 2 in accordance with IEC 664;
Recommended Input
Supply voltage unless otherwise noted should be 125V, 20A, 60
Hz, AC All electrical supply lines should be routed from the
nearest electrical service panel with the appropriate rated circuit
breaker. At no time should this hood be hard wired to an exist-
ing electrical outlet, or wired with a male plug end for a wall
receptacle. Also, a disconnecting device should be located in
close proximity of the equipment and within easy reach of the
operator.
Recommended supply wire size, minimum 12 gauge copper
wire, max volt 600v, 90 degrees C dry THHN/THWN conduc-
tors.
Output Connections
Duplex Receptacle 125V; 20A; 60Hz; AC
GFCI receptacle
125V; 20A; AC Temp range -31F to 158F; Trip at
5mA (+/- 1mA)
Light Switch
120/277V; 1HP @ 120V; 2HP @ 240V
Lighting
24 fluorescent light T-8 ballast; 118V; 60Hz; AC
85 watts (17 watt bulbs) 48 fluorescent light T-8 ballast; 118V; 60Hz;
AC 160 watts (32 watt bulbs)
Vapor proof light 120V; 100watts max; indoor/outdoor use suitable for
damp locations.
Explosion proof lights; 120V; Maximum 300watt bulb.
Recommended bulb 120V; 135watt
Voltage fluctuations should not exceed + or - 10% of the nominal volt-
age.
CAUTION: Before doing any work on this product be sure that all
power to this hood has been turned off, and any circuit breakers
supplying power to this hood, have been locked out to avoid electro-
cution.
Final safety considerations for using this equipment must be coordi-
nated with the safety officer(s) of your organization. This would
include situations for intermittent operation as well as utilizing this
fume hood with any other equipment.
38671 24 Page Catalog.qxd 7/9/03 12:54 PM Page 18