MANN HUMMEL FILTER TECHNOLOGY S E A SZT-1 Senzit User Manual
MANN HUMMEL FILTER TECHNOLOGY S.E.A. PTE. LTD. Senzit
User manual
USER GUIDE
Model Number : Senzit
Installation Instructions
Important Information:
The Senzit Monitoring Device connects to the air handler service port and requires basic wiring for power
supply. Incorrect installation or wiring may result in injury or equipment damage.
Refer to this instruction guide for correct installation and wiring procedures.
Note : Product input voltage : 9V ~ 32V
Before Installation attempt:
Download Senzit App and Scan QR Code from device or device packaging to register your Senzit
Monitoring Device.
Power indicator
(Green Light)
Cellular
Connection
Indicator
(Blue Light)
12V/24V DC
Power Cable
Connection:
Red-Power
Black- Ground
Service Port
Release Nut
Service Port
Mounting Adapter
M10x1 Female
Pressure
Equalizer
Sensor
FCC Statement
Any changes or modifications not expressly approved by the party responsible for compliance could void
your authority to operate the equipment.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause undesired
operation.
RF exposure statements
1. This Transmitter must not be located or operating in conjunction with any other antenna or transmitter.
2. This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled
environment. This equipment should be installed and operated with a minimum distance of 20
centimeters between the radiator and your body or nearby persons.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
— Reorient or relocate the receiving antenna.
— Increase the separation between the equipment and receiver.
— Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
— Consult the dealer or an experienced radio/TV technician for help.
Radiation Exposure Statement:
This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This
equipment should be installed and operated with minimum distance 20cm between the radiator & your
body.
Declaration d’exposition aux radiations:
Cet equipement est conforme aux limites d’exposition aux rayonnements IC etablies pour un
environnement non controle. Cet equipement doit etre installe et utilise avec un minimum de 20 cm de
distance entre la source de rayonnement et votre corps.
Hereby, MANN HUMMEL FILTER TECHNOLOGY S.E.A. PTE. LTD. declares that the radio equipment
type Senzit is in compliance with Directive 2014/53/EU.
Canadian Compliance Statement
This device complies with Industry Canada license-exempt RSSs. Operation is subject to the following two conditions:
1) This device may not cause interference, and
2) This device must accept any interference, including interference that may cause undesired operation of the device.
Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio exempts de licence.
L’exploitation est autorisée aux deux conditions suivantes :
1) l’appareil ne doit pas produire de brouillage;
2) l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique subi, meme si le brouillage est susceptible
d’en compromettre le fonctionnement.
Installation Instructions
4. Connect Senzit Monitoring Device Power
Cable.
NOTE: Senzit power cable must also be wired to
power supply. See “Wiring Instructions” for power
supply wiring instructions.
5. Turn Key to accessory/on position to Power On
the Senzit Monitoring Device Green LED indicator
illuminates to signal that indicator has power.
1. Turn Engine Off
2. Remove port cover or
existing indicator from air
handler service port. Inspect
service port and fittings for
damage.
Note: Do Not attempt to install
Senzit Monitoring Device by
screwing into sensor port by
hand.
1. Install Senzit Monitoring Device.
a. Loosen the Senzit Monitoring Device’s Service Port Release Nut by rotating in a counter-clockwise
direction (1 inch wrench).
b. Connect Monitoring Device’s Mounting Adapter to air handler service port and tighten (7/16 inch
wrench). Caution: Do not exceed 1.8 ft-lbs (2.5 Nm) Over tightening may damage threads.
c. Tighten Senzit Monitoring Device’s Service Port Release Nut by rotating 1/2 turn in a clockwise
direction (1 inch wrench). Caution: Over tightening may damage threads.
Note: Adapters may be required for installation (M10x1 to 1/8 - 27 NPT).
Previously used fittings may be reused provided they are undamaged and do not restrict air flow.
Installation Instructions
Suggested Items to assist with Installs.
Materials:
1. Black plastic air tubing (1/4”)
2. 1/8”-24 NPT with 1/4” in tube compression fitting; male or female may be required
depending on application
3. In-line Fusible link (20 or 18 gauge)
4. Butt Splice Connectors (20-18 gauge)
5. Additional Wire (20 or 18 gauge)
6. Heat shrink
7. Ring Terminals (3/8” to fit over positive and negative connectors)
8. Hydraulic Hose Support Clamp; 2”-2” 1/16” opening
a.) To be used for remote installs
Tools:
1. 6” crescent wrench
2. 8” crescent wrench
3. Standard screw drivers
4. Wire strippers
5. Wire crimpers
6. Box cutter
7. Wire ties
8. Lighter or Butane torch
9. Teflon tape
10. Black electrical tape
Recommended items only, additional items may be required depending on equipment
and install method chosen by user.
Wiring Instructions
Do not connect directly to positive
battery source. Senzit Monitoring
Device is equipped with a GPS unit
and a cellular antenna. Direct
connection to positive battery
source will result in continuous
power to Senzit Monitoring Device
and battery depletion.
It is recommended that an in-line
fuse (5 Amp) be installed.
1. Disconnect the ground cable from the
battery.
2. Connect the red lead to a 12 Volt or 24
Volt switched ignition power source
a. Ensure a solid connect is made
b. Do not wire directly into battery source.
3. Connect the black lead to ground.
a. Ground should be unpainted surface to
ensure solid connection
4. Reconnect the ground cable to the battery.
5. Turn key to start/accessory position to
power ON device.
a. Green LED indicator will illuminated in a
solid state to indicated device is
powered on.
Ignition Power
Senzit
Monitoring
Device
Red Positive (+)
Black Negative (-) to Ground