Watts Tekmar WiFi Snow Melting Control 670 Installation Manual

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Rough-In Wiring
Low-Voltage Wiring ------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------
Pull two conductor 18 AWG LVT cable, up to 500 feet
(150 m) long, for the following equipment:
• Outdoor temperature sensor
• Mix supply sensor
• Boiler sensor
• Single-stage on/off boiler
• Modulating boiler 0-10 V (dc) or 4-20 mA
• Mixing valve or mixing injection pump using a 0-10 V (dc)
or 4-20 mA signal.
Pull three conductor 18 AWG LVT cable, up to 500 feet
(150 m) long, for the following equipment:
• Mixing valves using a floating action signal
Pull four conductor 18 AWG LVT cable, up to 500 feet
(150 m) long, for the following equipment:
• Snow Sensor 095
• Two-stage on/off boiler
Pull the Snow/Ice Sensor 090 or 094 cable to the control.
Line-Voltage Wiring ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------
Pull two conductor 14 AWG cable, up to 500 feet
(150 m) long, for the following equipment:
• System pump
• Boiler pump
• Heat exchanger on/off injection pump
• Variable speed injection pump
To prevent the risk of personal injury and/or death, make sure power is not applied to the control until it is fully
installed and ready for final testing. All work must be done with power to the circuit being worked on turned off.
Please be aware local codes may require this control to be installed or connected by an electrician.
• Install the supplied wiring compartment barriers by sliding them into the grooves provided to isolate the low and line-
voltage wiring.
• Strip all wiring to a length of 3/8 in. or 10 mm for all terminals.
• A circuit breaker or power disconnect that provides power to the control should be located nearby and clearly labeled.
• Refer to the current and voltage ratings at the back of this manual before connecting devices to this control.

Watts Tekmar WiFi Snow Melting Control 670 Specifications

General

Brand	Watts
Model	Tekmar WiFi Snow Melting Control 670
Category	Controller
Language	English