MYPV ELWA Operation Manual

ELWA
®
Modbus Interface Operation Manual, 171018
1021 R ELWA Modbus Interface temperature sensor in 1/10°C
1022 R/W ELWA Modbus Interface boost temperature control setting in 1/10°C
0 inactive (factory preset),
1-700 start boost at setting – 40 (4°C hysteresis), stop boost at setting
set register 1020 to >1440 if 1022 is >0.
1023 R/W Temp sensor offset calibration in 1/10°C, do not adjust unless sensor is changed
1030 W address of device (01 factory preset)
Table 1: Operation mode
0
startup
1
switchdivert
2
switch_off
3
switch_on
4
setupmode
5
wait_for_dc
6
charge_elko
7
rel_dc_on
8
check_upvswon_dcsupply
9
wait
10
check_position
11
mpp_scan
12
mpp_track
13
start_lower_unit
14
stop_lower_unit
15
wait_for_start_sequence
16
wait_for_stop_sequence
20
upv_lowerthan_upvswoff
21
temp_derating
129
error_overtemp_fuse
130
error_overtemp_measured
131
error_overtemp_chip
134
error_hardware_fault
135
error_iso_fault
136
error_temp_sensor
Subject to change.
my-PV GmbH
Teichstrasse 43, 4523 Neuzeug
www.my-pv.com

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