Application Guide

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© 2016 tekmar 670
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A - 10/16
Electric Cable A680-7 Mechanical
Application Settings
Setting Name Value
Application Mode Electric
670
E1 = 115 or 230 V (ac) Electric Power Supply
H1 = Electric Heating Cable
R1 = Electric Relay Contactor
S1 = Snow/Ice Sensor 090 or 094
S2 = Snow Sensor 095
S3 = Slab Sensor 072 or 073
S4 = Outdoor Sensor 070
Legend
Snow/Ice Sensor Options
S4
E1
R1
H1
S1
S2
S3
Description
The WiFi Snow Melting Control 670 operates an electric cable snow melting system.
• The electric contactor is cycled on and off based on the slab load.
The system operation is dependent on sensor selection, as listed in the table below.
Sensor options Operation methods
Sensor Sensor Model(s)
Auto Start/
Auto Stop
Auto Start/
Timed Stop
Manual Start/
Timed Stop
Slab Temperature
Control
S1 Automatic Snow/Ice Sensor 090 or 094 • – • •
S2 Aerial Snow Sensor 095 – • • –
S3 Slab Sensor 072 or 073 – – • •
S2+S3 Aerial Snow Sensor 095 and Slab Sensor 072/073 – • • •