Plastec Variable Air C - Manual (Page 2)

General Description
BENEFITS
• Safety: air flow is maintained at required speed at
all sash heights
• Energy savings: only the lowest required amount of
air is exhausted therefore reducing energy bill
• User comfort: Low air speeds ensure comfortable
noise level
• Ease of installation and maintenance
• Stable and accurate analogical sensor reading
• Attractive design: available in choice of LED or
digital display
RANGE
Versions:
• C LED: Monitors and controls air speed, LED lights
• C DIGITAL: Monitors and controls air speed, digital
read out in meter per second or feet per minute
FEATURES
• Audio and visual alarm
• 0 to 10V or 4-20mA VAV system to link to inverter
• 3 Pushbuttons: Fan On/Off, Light On/Off, Mute
• Automatic pre-purge with inverter
• 30s purge following fan switch off
• Alarm disabled when fan switch off
• Sash High indicator
• Auxiliary contact for fan make up, etc.
OPTIONS
• Surface Box Mounting: Plastic enclosure to mount
the face plate and to avoid profile cutting the
service panel.
• Alarm Relay: A remote alarm can be triggered from
a relay on the controller pcb.
• Battery Back Up: Red LED alarm is still
functional up to 12 hours when unit loses power.
• Custom Resin Stickers: Customizable resin
stickers with logo, address, etc.
COLORS
Plastic fascia is available in:
- White (Standard)
INTERNATIONAL STANDARDS
COMPLIANCE
In accordance with:
- European laboratory standard EN 14175-2
- Electromagnetic standards EN
61326 : 1997/A1 : 1998/A2 : 2001/A3 : 2003
(Test report RC-05-42060-1) US FCC Part 15
Class B edition 2005 (Test report RC-05-
42060-2-A)
- European RoHS directive governing disposal and
recycling of electronics
- French laboratory standard XPX 15203 of Sept. 1996
- CE
COMPONENTS
• Circuit Board: Panel mounted circuit board to
be installed vertically or horizontally onto fume
cupboard with 2x Ø 2.8 mm / 0.11" screws. IP55
protection ensured by “O” ring seal. Face plate to
be supplied with chemical resistant plastic sticker
(horizontal or vertical) with control/push buttons
on fascia. Surface box mounting optional.
• Numerical and Antistatic Sensor: To be installed
inside fume hood. Sensor measures air speed
variations inside fume hood. Supplied with a
3.5 m / 11.48' (5 m optional) shielded cable with
pin connections onto controller circuit board.
• Power Supply: 115 VAC to 12 VDC power
transformer directly into controller circuit board.
Comes with a wall plug and cord. Adaptor may be
required to fit local power socket.
PACKING
• Supplied in cardboard box which includes con-
troller circuit board, face plate, sensor and power
transformer. Surface box mounting optional.
2
Laboratory Airflow Monitors & Controls
TYPE C STANDARD & NIGHT SETBACK
LED & DIGITAL - VAV SYSTEM