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Snow/Ice Sensor 090/094, Sensor Socket 091
Installation & Operation Manual
The tekmar Snow / Ice Sensor 090 / 094
and tekmar Sensor Socket 091 are used
with all tekmar snow / ice melt controls.
The 090 has a 65' (20 m) cable while the
094 has a 208' (63 m) cable.
The Snow / Ice Sensor is designed to sit
flush with the slab surface after being
Snow/Ice Sensor 090/094
3–7/16"
(87 mm)
3/16"
(5 mm)
090 Cable length 65' (20 m)
094 Cable length 208' (63 m)
Snow/Ice Sensor 090/094
•
Automatic snow/ice detection
•
Slab temperature sensing
•
Long wire included so in field splicing
is not necessary
•
Designed for long life in driveway and
walkway installations
•
For use with tekmar Snow Melting
Control type: 654, 661, 662, 664, 665
or 667.
A Watts Water Technologies Company
mounted into the Sensor Socket. The
socket is installed directly into the snow
melt slab halfway between the heating
elements or pipes.
The sensor measures the slab temperature,
sensor surface temperature and sensor
surface moisture level.
Snow/Ice Sensor Socket 091
1–3/4"
(45 mm)
3/4"
(19 mm)
Snow/Ice Sensor Socket 091 Features
•
Provides mounting solution for
Snow/Ice Sensor 090/094
•
Includes mounting plate
1 of 8
090 _ D
01/14
Snow Melting Replaces: 07/09
3–1/2" (89 mm)
3–1/8" (80 mm)
3–13/16"
(97 mm)
Ø 7/8" (22 mm)
© 2014
090_D - 01/14
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Summary of Contents for Tekmar 090
- Page 1 / ice melt controls. melt slab halfway between the heating The 090 has a 65’ (20 m) cable while the elements or pipes. 094 has a 208’ (63 m) cable.
-
Page 2: Step 2 - Sensor Installation
Type 090/094 includes: • • One Snow / Ice Sensor 090/094 with “O” ring • Four, #6-32 x 3/8" screws • Four, #4-40 x 7/16" screws • • One Installation & Operation Manual Type 091 includes: •... - Page 3 • Vehicle tire and pedestrian traffic can track water and contaminants onto the snow melt area. If the snow / ice sensor is located in the traffic area, snow melting will be triggered by the passing traffic. This may be desirable in commercial areas where excessive traffic can cause the surface to become icy.
- Page 4 1. Cut four pieces of rebar at least 12" (300 mm) long. 2. Drive the rebar into the ground through each of the mounting plate rebar holes. Leave approximately 2" (50 mm) of rebar above the ground. 3. Cut several 12" (300 mm) pieces of steel wire. 4.
-
Page 5: Step 3 - Electrical Connections
Current versions of the Snow / Ice Socket 091 use #6-32 screws. Previous versions of the 091 used smaller #4-40 screws. When replacing an 090, both sets of screws are provided. It is recommended to try the smaller screws first to avoid cross threading. -
Page 6: Temperature Vs. Resistance Table
Step 4 - Test the Sensor When performing these tests: • The sensor head should be installed in the slab. • The five cable wires at the control should be disconnected. • Use a good quality electrical testing meter with an ohm scale range of 0 to 2,000,000 Ohms. -
Page 7: Technical Data
Included 4 #6-32, 3/8" flathead, slotted, stainless steel screws The Snow / Ice Sensor 090 (094) must be operated by a tekmar Snow Melting Control 654, 661, 662, 664, 665 or 667. Operation of the sensor by 3rd party control systems may result in electrolysis failures not covered by the tekmar Limited Warranty. -
Page 8: Limited Warranty And Product Return Procedure
(24) months from the production date. The liability of tekmar under the Limited Warranty shall be limited to, at tekmar’s sole discretion: the cost of parts and labor provided by tekmar to repair defects in materials and / or workmanship of the defective product; or to the exchange of the defective product for a warranty replacement product;...
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