The Wi-Fi Dry Contact Sensor is a specialized product that
works with your existing WiFi network. Distributed by Monnit, Spot-Protect, and others, these
devices interface to a set of dry contacts (such as the HSRS relay).
The Monnit MOWI and compatible variations can be purchased from
multiple sources as listed below:
WiFi
Dry Contact Sensors
These devices work with your existing WiFi network and permit you to
remotely monitor the HSRS for a door/window violation resulting in HVAC
shut-off. Using the iMonnit Online Portal, you can create an account and
receive free notifications by e-mail and/or SMS text message when
shut-off occurs.
- iMonnit
offers online monitoring for both free (basic) and paid
(premier) subscribers. Premier subscriptions are available to those who
prefer extended features. For most users, the basic package is
sufficient and includes everything necessary for receiving free email
& SMS text notifications.
- For
step-by-step details
on configuring the dry contact sensor & iMonnit account for
remotely monitoring your HVAC / HSRS, consult our free tutorial guide:
The following
list summarizes some key considerations pertaining to the
iMonnit system.
- The
sensor is powered by two (2) AA alkaline batteries (included),
providing up to 4 years of worry-free operation
- Monnit
provides a Windows application (free download) for setting up your
sensor. The Wi-Fi sensor setup
utility
configures the sensor to operate on your WiFi network.
- Use the
iMonnit Online Portal to set up your sensor network with desired
notifications.
Sensor wiring is straightfoward as shown in the
schematic below. Note that a secondary relay is required for isolation
between the Dry-Contact
Sensor
and HSRS controller. (This relay must have a 24vac coil voltage.)
Normally-open contacts are recommended. Click
here for a list of compatible relay
devices.
Disclaimer:
The wiring diagram and related instruction are provided for the purpose
of demonstrating a typical installation. We accept no liability or
responsibility for possible errors, omissions, or ambiguities. You
assume full responsibility for a proper install and to verify all
wiring.
HSRS
Monitoring using the
Monnit Wifi Dry-Contact Sensor
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(click to
enlarge)
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The following list provides
several compatible devices which may be employed as a secondary relay
depicted in the schematic. This relay is necessary for triggering the Dry-Contact
Sensor
and to provide isolation.
Compatible
Relays
Product: |
Part Number: |
Type: |
Magnecraft
|
725BXXSC3ML-24A |
DPST-NO |
Omron |
OMRON G7L-2A-BUBJ-CB-AC24 |
DPST-NO
|
Omron |
OMRON-G7L-1A-BUBJ-CB-AC24 |
SPST-NO |
For step-by-step details
on configuring the dry contact sensor & iMonnit account for
remotely monitoring your HVAC / HSRS, consult our free tutorial guide:
|