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C7355B IN-DUCT IAQ MONITOR
SUPPORTED DOCUMENTS
• IAQ Monitor Submittal Data, 31-00439
• IAQ Monitor User Guide, 31-00438
• IAQ Monitor Quick Start Guide, 31-00441
INTRODUCTION
In-Duct IAQ Monitor is designed to be installed in outdoor
or return air duct. It monitors PM2.5/PM10, CO2, TVOC,
Temp/RH and their configurations. This device
communicates over RS-485, and is easily integrating with
the building automation system.Please read this
instruction carefully before installing and using the
device.
When installing this product
1. Read these instructions carefully. Failure to follow
them could damage the product or cause a hazard-
ous condition.
2. Check the ratings given in the instructions and
marked on the product to make sure the product is
suitable for your application.
3. Installer must be a trained, experienced service
technician.
4. After installation is complete, check the product
operation.
5. Be sure wiring complies with all applicable codes,
ordinances and regulations.
WARNING
Electrical Shock Hazard
Can cause severe injury, death or property
damage.
Disconnect the power supply before beginning
installation to prevent electrical shock and
equipment damage. More than one power supply
may have to be disconnected.
Installation requirements
(IMPORTANT!)
—
For supply air applications, install the device on the
main air duct where it is far from the supply air fan
and branch ducts.
—
For return air applications, install the device on the
main air duct close to the return air fan, or more
than 1 meter from the return air outlet.
—
Installation of pitot tube should be accordance
with the direction of the air flow.
31-00440—01
—
The device should be installed in an accessible
location that is convenient for regular mainte-
nance.
—
The power supply is 24VAC/VDC. Please note the
power part must be waterproof and safe.
—
The pitot tube on each monitor of each device are
calibrated as a pair. Ensure that the serial number
on the monitor and pitot tube match.
—
When removing and installing the pitot tube, the
monitor must be powered off, it SHOULD NOT be
connected to electricity. The pitot tube must be fit-
ted and tightened to avoid bad contact of tempera-
ture and humidity sensor.
IMPORTANT
To avoid electrical interference, which can cause
erratic sensor readings, keep wiring runs as short
as possible and do not run unit wires adjacent to
the line voltage electrical distribution systems. Use
shielded cable. The cable shield must be grounded
only at the controlled equipment case.
WEEE (Waste of Electrical and
Electronic Equipment)
• At the end of the product life, dispose of the
packaging and product in an appropriate
recycling center.
• Do not dispose of the device with the usual
domestic refuse.
• Do not burn the device.
This symbol on our product shows a crossed-out
"wheeliebin" as required by law regarding the Waste of
Electrical and Electronic Equipment (WEEE) disposal.
This indicates your responsibility to contribute in saving
the environment by proper disposal of this Waste i.e. Do
not dispose of this product with your other wastes. To
know the right disposal mechanism please check the
applicable law.
Check Accessories
Unpack the box and review monitor and the accessories
according to below list.
1. Instruction manual – 1 piece
2. In-Duct IAQ monitor – 1 unit
3. The pitot tube of monitor – 1 piece
4. Waterproof connector – 1 piece
5. Pipeline seal ring -1 piece
6. Assembly screw – 2pcs; duct mounting screw – 2pcs
7. Hexagonal screwdriver – 1 piece
8. Filter – 1 piece
2
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