LEGRAND 038 09 Technical Manual

Load shedding

Description

This load shedding device constantly monitors the total home consumption and
automatically sheds non priority circuits loads (convectors, SHW), should the public
Electricity Provider contract limits be exceeded.
By managing consumptions, it enables the user to subscribe to a lower lever
Electricity Provider contract, whilst avoiding sudden trips of the Electricity Provider
disconnector.
It performs:
- control of up to 32 electric heating devices, grouped into zones. These control wire
convectors are controlled by cable output receivers, 845 30,
- the operation of the SHW (Sanitary Hot Water) installation.
The no-freezing pushbutton is used to avoid any freezing occurring across the whole
installation. The overriding of the automatic mode is possible using:
- the selector switch, item 845 29,
- the Axiophone (036 19), for switching from auto to no-freezing mode, and vice versa,
- the Omizzy™ habitat internet server,
- the off-set clock, item 037 44, for the SHW circuit.
SHW Convectors

Technical data

Voltage: 230 Vac
Frequency: 50 – 60 Hz
Self-extinguishing: 30 s @ 650 °C
Storage and operating temperatures: (-5) – (+45) °C

Standards, Certification, Marks

Standard reference: EN 50065 – IEC 60669-2-1

Dimensional data

4 DIN modules
Selector switch
Axiophone Omizzy
TM
Overriding
C É L I A N E T E C H N I C A L G U I D E
11
10 9

Legend

1. Selection of the comfort level
2.
Axiophone clamps: Remote control
input
3. Axiophone clamps: Control output
4. Reception of Electricity Provider data
5. LEARN LED
Wiring Diagram
L
N
Control by Axiophone 036 19.
038 09
1 2 3 4
5
6
7
8
6. LEARN key
7.
SHW manual control
8.
Clock connection
9.
230 V 1 A SHW contact
10.
Power Supply
11. No-freezing control
1