MYPV ELWA User Manual

ELWA
®
Assembly- and Operation Manual, 170504 1
ELWA
®
Photovoltaic Water Heater
Assembly- and Operation Manual
Content
Intended Use ........................................................................................................................................... 2
Scope of Supply ....................................................................................................................................... 2
Safety Instructions ......................................................................................................................... 2
Exemption of Warranty and Liability ..................................................................................................... 3
Assembly and Installation Instructions ................................................................................................. 3
Electrical Connection ..................................................................................................................... 4
Electrical Connection Stratification Charge ................................................................................. 4
Controls and Indicators .......................................................................................................................... 5
Operating Status Indicator ..................................................................................................................... 5
Start-up .................................................................................................................................................... 5
Normal operation without boost backup (AC plug not connected) ........................................... 5
Normal operation with boost backup (AC plug connected) ........................................................ 5
Adjusting the boost backup target temperature (factory preset to 50 °C) ................................. 6
Stratification Charge with two ELWAs ............................................................................................ 6
Error Displays .......................................................................................................................................... 6
Maintenance ............................................................................................................................................ 7
Troubleshooting ...................................................................................................................................... 7
Disposal .................................................................................................................................................... 7
Declaration of Conformity ...................................................................................................................... 7
Technical Data ......................................................................................................................................... 8

MYPV ELWA Specifications

General

Category	Water Heater
Manufacturer	MYPV
Model	ELWA
Voltage	230 V
Frequency	50 Hz
Protection Class	IP21
Mounting	Wall-mounted
Control	Electronic
Power Consumption	0-3 kW
Thermostat	Yes
Protection	Overheat protection
Certification	CE
Power Output	0-3000 W
Material	Stainless steel

Summary

Intended Use of ELWA Photovoltaic Water Heater

ELWA Safety Instructions and Warnings

ELWA Assembly and Installation

Mounting and Sealing Procedure

Details on mounting the heating rod, using the O-ring seal, and tightening torque.

ELWA Electrical Connection Guidelines

Single Unit Electrical Connection

Instructions for earthing and connecting DC and AC power for a single ELWA unit.

Stratification Charge Electrical Connection

Wiring diagram for connecting two ELWAs in parallel for stratification charge.

ELWA Controls and Indicators Overview

Main Switch and Temperature Knob

Description of the main switch and the rotary knob for temperature adjustment.

Operating Status Indicator Lights

Explanation of LED indicators for startup, standby, heating, and error states.

ELWA Start-up Procedures

Operation Without Boost Backup

Steps for starting up ELWA without AC plug connection, including target temperature setting.

Operation With Boost Backup

How boost backup ensures AC target temperature using AC power.

ELWA Boost Backup Target Temperature Adjustment

Configuring ELWA for Stratification Charge

ELWA Error Display Codes

ELWA Maintenance and Troubleshooting

Maintenance Recommendations

Advice on preventing lime scale and performing annual checks on the heating rod.

Troubleshooting User Serviceable Parts

Information that the device contains no user serviceable parts and to contact an installer.

Disposal and Declaration of Conformity

Device Disposal Guidelines

Instructions for proper disposal of the device and its packaging at end of lifetime.

Declaration of Conformity

Statement of compliance with relevant European standards and regulations.

ELWA Technical Data