Snow Detector & Melting Control 664 - Two Zone, Two Stage Boiler & Mixing

Features & Specs

Features (definitions)

• Automatic snow detection and melt control (with 090 Sensor)

• Boiler Protection

• CSA C US certified (approved to applicable UL standards)

• Cold Weather Cut Out

• Control up to 2 boilers

• Control up to 2 zones

• Equipment Exercising

• Manual Override

• Mixing control (floating, variable speed, or proportional)

• Optional priority zoning operation

• Remote display and adjustment capabilities

• Slab protection for the snow melting system

• Slab temperature control

• Temporary Idle

• Test sequence to ensure proper component operation

• Warm Weather Shut Down

Specifications

Control	Microprocessor control. This is not a safety (limit) control
Packaged weight	3.5 lb. (1600 g)
Dimensions	6-5/8" H x 7-9/16" W x 2-13/16" D (170 x 193 x 72 mm)
Enclosure	Blue PVC plastic, NEMA type 1
Approvals	CSA C US, meets class B: ICES & FCC Part 15
Ambient conditions	Indoor use only, 32 to 122°F (0 to 50°C), RH ≤90% Non-condensing
Power supply	115 V (ac) ±10%, 50/60 Hz, 600 VA
Floating relays	230 V (ac) 5 A, 1/6 hp
Stage/Zn/P1 relays	230 V (ac) 5 A, 1/3 hp
Var. pump	230 V (ac) 2.4 A max (FLA) 5 A max (LRA), fuse T2.5 A 250 V
Demands	20 to 260 V (ac) 2 VA
Sensors	NTC thermistor, 10 kΩ @ 77°F (25°C ±0.2°C) ß=3892
-Included	Outdoor Sensor 070 and 3 of Universal Sensor 082
-Optional	tekmar type #: 039, 040, 072, 073, 090, 091, 094, 741
Warranty	Limited 3 Year Warranty

Technical

In most cases the current version of literature will work, otherwise use the piece of literature most closely matching the date code of your product.

Current Literature

Installation & Operation Manual Addendum	Jun 2004 - Present	664_B
Product Submittal	Jan 2011 - Present	664_C
Installation & Operation Manual	Jul 2009 - Present	664_D
User Manual	Jul 2001 - Present	664_U

Applications

Product Application Drawings

Application Brochure

Jul 2001 - Current

664_A

More advanced application drawings can be found in our Solutions section.

tekmar Accessory Products (19 total)

These are typical products that add more functionality to the Snow Detector & Melting Control 664