Delta M70A User Manual

5 Planning the installation
Device communication and system monitoring
Installation and Operation Manual for Solar Power Inverter M70A EU V1.1 EN 2020-02-20
44
Connection via Wi-Fi
To use the Wi-Fi feature, the Wi-Fi module must be installed on
the inverter. The Wi-Fi module must be ordered separately from
Delta.
Connection via Sub-1G
The inverter is supplied with a Sub-1G antenna. You can order a
separate Sub-1G module for the DC1.
Required software
In order to access the DC1 and the inverter through it, you also
need:
● A mobile device (smartphone, tablet) with the MyDeltaSolar
app
or
● A Windows PC running the Delta Service Software (DSS)
or
● A Windows PC with the commissioning software for updat-
ing the rmware and commissioning the inverter
The MyDeltaSolar app is available for iOS and Android.
DSS and commissioning software can be downloaded at https://
solarsolutions.delta-emea.com.
5.7.7 Connecting an external alarm unit
The inverter has two relays allowing connection of an acoustic or
visual alarm unit to each (using dry contacts).
The dry contacts for connecting the external alarm units are
located on the communication card. The communication card
also has a 12 V
DC
power supply.
Both relays are designed as NO contacts.
After commissioning, each relay can be assigned an event at
which the multi-function relay switches. Only one event can be
assigned to each relay, but these can be di󰀨erent. By default, the
relays are disabled.
To set an event for the relays, you need:
● A mobile device (smartphone, tablet) with the MyDeltaSolar
app
or
● A Windows PC running the Delta Service Software (DSS)
The MyDeltaSolar app is available for iOS and Android.
You can download the DSS at https://solarsolutions.delta-emea.
com.
Event Description
Disabled
The function is disabled.
On Grid
The inverter is connected to the grid.
Fan defective
The fans are defective.
Insulation
The insulation test has failed.
Alarm
An error event message, fault message or
warning has been sent.
Error
An error event message has been sent.
Fault
A fault message has been sent.
Warning
A warning message has been sent.
Table 5.3.: Events for which the external alarm device relay can
trigger
The default setting for both relays is Disabled.

Delta M70A Specifications

General

Brand	Delta
Model	M70A
Category	Inverter
Language	English