PYRO-XDe-Ice control devices

Technical presentation

2013

Introduction

Meitav-tec is introducing a new concept of De-Icing control

Featuring:•Simple and quick installation - “Plug & Play”•Stylish Sensor and controller design •Simple, Logical & accessible user Interface•Sequencing between zones allowing larger area coverage with limited power supply•Modularity – 1 to 4 contactors – up to 600A 600V 3#•Easy and friendly technician access and operation •Safe and reliable •Energy saving algorithm•UL and ETL certified

Out standing JIT Service and Technical Support

System components

5. Input for 3rd party (existing) Snow Sensor for gutter snow melting

2. Controller Display

3. Power & Control Box

4. UL (Upper Limit) Temp. Sensor

1. Snow Sensor & Adjustable Mounting Arm

1

2

3

4

System components

1

Zone 3

Zone 5

Zone 2

Zone 4

Zone 1

2 + 3

4

System components

• 24VAC supply from controller

• Igloo shape design

• Conduit connection

•Adjustable rust proof arm – up to 20 inches length

• Anti birds nesting solution

Snow Sensor + mounting Fixture

System components

Controller

• 24VAC operated

• Inputs:

• Meitav-tec Snow sensor (up to 4 sensors)

• 3rd Party (existing) Snow sensor

• Upper Limit Temperature sensor

• Outputs:

• 4 Zones On/Off heaters control

• 1 Gutter On/Off heater control

• LCD backlit display with operation indications

• User Friendly Technician Settings parameters

System components

Controller Features

• Sequencing / Staggering 4 zones

• 1/2/3/4 or 1/2/3 or 1+3/2+4

• Adjustable Cycle time between zones

• Outputs status real time indication

• Disabling zones

• De-Icing Temperature Set-Point

• Upper Limit Temperature Set-Point - Adjustable

• Off Delay Time - Adjustable

• Selectable operation modes – Off/On/ Automatic

•Override operation – activates the system once for a configurable period of time

•Alarms and Sensors Errors indications

System components

UL Temperature input

• Isolated sensor

• Stops the operation when the heated

surface reach a intended (Technician

adjustable) temperature value

• Semi Rigid – can be pushed into conduit

• 10 meters (30 feet) cable length

• Installed in the surface plenum

System components

Power Box• Single Door Wall mount Enclosure

Dimensions: Industrial box: (20.6H X 20.6W X 9.1D)

(Inches) Residential box: (12.8H X 15.5W X 7D)

• Up to 600 VAC. 4x50 AMP 3 phases

• GFCI - Ground Fault Circuit Interrupter built-in

• Modular configuration

• Allows installation of 1, 2 ,3 or 4 zones + Gutter output

• DIN Rail assembly for the terminals

• Output indication

• Industrial box – classic design

• IP66, NEMA 4 (before drilling for the LEDs and controller

System components

Power Box – PYROBOX5 connections diagram

ON

SELECT

PYROBOX-5

H15 H25H34

C4

AC

A1B1

C1

H24H14H33

C3

A

B

C

A1B1

C1

H23H13

HEATER LOAD CONNECTION

L1,L2,L3- CONNECTION 600VAC MAX50 AMP MAX PER POLE

T1 T2 T3 T1 T2 T3

L2.5L1.5

L-CONNECTION 300VAC MAX , 30A MAX

C5

CIRCUIT PROTECTION AS PER NEC

H32

C2

AC

A1B1

C1

H22H12H31

L3L2L1

C1

A

B

C

A1B1

C1

H21H11

T1 T2 T3 T1 T2 T3

L3L2L1 L3L2L1 L3L2L1

BB

IN

IN

COM

NC

GFS

1

2

R

C

Z1

Z2

Z3

Z4

A

B

Z5

21

Shielded, twisted CableSFTR 120 Ohm

Upper LimitTemperature Sensor(by Meitav-tec,10K@25°)

A

1

22

C

A1

MODEL GIT–1 Gutter Ice

Sensor

C RC

BR

L1 N1

C5

A2

MAIN POWER SUPPLY120VAC

NO

GND

2

C2C1

A1

A2A2

A1

Transformer 130VA,120/24Vac

Ground Fault Reset

FaultGFS

Power

C3

R

GNDGND GND

A1

A2

x1 x2

x1 x2

1

2

C4

A1

A2

DOOR

Control Panel

CIRCUIT PROTECTION AS PER NEC

Current Transformer

Snow Sensorby Meitav-tec

Whi

te

Blue

Red

Blac

k

Whi

te

Red

Blac

k

Summary

• The new De-Icing system by Meitav-tec offers a modular

solution in a friendly design, addressing the market needs

• Energy saving algorithm staggering between zones allows

larger area cover with less available power

• One system will fit most application needs

• simple installation configurations of the power box will

optimize cost.

• Compatibility with 3rd party sensors – retrofit and repairs

advantage

• Professional Service and quick availability