Submittal - Torrco

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Submittal

C 650

Snow Melting Control 650

01/11 Snow Melting

Job ___________________________

Replaces: New

Contact_ _______________________

Designer_ ______________________

The Snow Melting Control 650 is designed to operate mechanical equipment to melt snow off of an outdoor slab. It can be used for any single zone electric or hydronic snow melting application that requires manual start/stop operation. This control uses Pulse Width Modulation (PWM) and slab Outdoor Reset to maintain slab temperature. It is capable of controlling a pump, valve, or electrical contact while reading outdoor air temperature.

Cover Off

Side View

Front View H1113 3 Made in Canada

Power 24 V (ac) ±10% 2 VA 32 V (dc) ±20% 0.04 A Relays 240 V (ac) 10 A 1/3 hp pilot duty 240 VA

6/8” (18 mm)

H1113 3 Made in Canada

Power 24 V (ac) ±10% 2 VA 32 V (dc) ±20% 0.04 A Relays 240 V (ac) 10 A 1/3 hp pilot duty 240 VA

°F

°F

HEAT

Item

On Time

CWCO Idling Melting

Start

Stop

Outdoor Slab Sensor Target Slab

Melt at power up

4–3/4” (120 mm)

Melt at power up

Outdoor Slab Sensor Target Slab

HEAT

Pulse Width Modulation

1 2 3 4 Heat

On –––

No power

Signal wiring must be rated at least 300 V.

CWCO Idling Melting

Start

Stop

Snow Melting Control 650 Pulse Width Modulation

Snow Melting Control 650 On ––– Power Off C– R+

Item

On Time

1 2 3 4

Power Off C– R+

5 6 7 8 9

Com Slab Out System Sen Sen Sen

Heat

No power

Signal wiring must be rated at least 300 V.

5 6 7 8 9 System

Com Slab Out Sen Sen Sen

6/8” (18 mm) 2–7/8” (74 mm)

1–3/8” (37 mm)

7/8” (22 mm)

Specifications------------------------------------------------------ Features--------------------------Snow Melting Control 650 Pulse Width Modulation Literature Control Packaged weight Dimensions Enclosure Approvals Ambient conditions Power supply Relays Sensors –Included On time Melting Idling CWCO Temperature display Warranty

D650, A650, D001, D070, D072 Microprocessor control. This is not a safety (limit) control 1.3 lb. (600 g) 4-3/4” H x 2-7/8” W x 7/8” D (120 x 74 x 22 mm) White PVC plastic, NEMA type 1 CSA C US, meets class B: ICES & FCC Part 15 Indoor use only, -20 to 120°F (-30 to 50°C), RH ≤90% Noncondensing 24 V (ac) ±10%, 50/60 Hz, 3 VA, 24 V (dc) ±10%, 0.03 A 240 V (ac) 10 A, 1/3 hp NTC thermistor, 10 kΩ @ 77°F (25°C ±0.2°C) ß=3892 Outdoor Sensor 070 and Slab Sensor 072 0:30 to 19:50 hours to ‘Infinite’ 34 to 45°F (1 to 7°C) Off, 23 to 34°F (Off, -5 to 1°C) Off, -22 to 23°F (Off, -30 to –5°C) Fahrenheit / Celsius Limited 3 Year (See D650 for full warranty)

• • • • • •

Slab Outdoor Reset Temporary Idle Manual Override Warm Weather Shut Down Cold Weather Cut Out CSA C US certified (approved to applicable UL standards)

Special requirements N/A

www.tekmarcontrols.com

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© 2011

C 650 - 01/11

Sample Application Drawing Below is a sample application drawing for this product. This application may include other tekmar products that are required for installation. More sample applications can be found at www.tekmarcontrols.com. Sample Mechanical diagram

650

S2

070

P1

S1

Snow Melting B1

Sample Electrical diagram Meets Class B: Canadian ICES FCC Part 15 Made in Canada tektra 906-09

Legend B1 = Modulating Boiler (Enable only) P1 = System Pump S1 = Slab Sensor S2 = Outdoor Sensor

Power: 24 V (ac) ± 10% 50/60 Hz 3 VA 24 V (dc) ± 10% 0.03A Relays: 240 V (ac) 10 A 1/3hp

H1113E

Melt at power up

Item

On Off

CWCO Idling Melting

On Time

Start

Stop Date Code

Outdoor Slab Sensor Target Slab

Snow Melting Control 650 Pulse Width Modulation

1 2 3 4 Power C- R+ Heat

Signal wiring must be rated at least 300V

No power

7 8 9 Com Slab Out System Sen Sen Sen 5

6

S1

S2 P1

B1

C R

120 V (ac)

L N

tekmar Control Systems Ltd., Canada, tekmar Control Systems, Inc., U.S.A. Head Office: 5100 Silver Star Road, Vernon, B.C. Canada V1B 3K4, 250-545-7749, Fax. 250-545-0650 Web Site: www.tekmarcontrols.com Product design, software and literature are Copyright © 2011 by: tekmar Control Systems Ltd. and tekmar Control Systems, Inc.

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All specifications are subject to change without notice. Printed in Canada. C 650 - 01/11.