Post on 30-Dec-2015
description
transcript
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