SUNFLOWER SR81 User Manual

Instruction of SR81 Split Pressurized Solar Hot Water System
Page 5 of 48
Nr.
Button
1
Power indication lamp
2
“On/Off”
3
“Clock”
4
“Holiday”
5
“Manual Heating”
6
“Manual Circuit”
7
“Eco Mode”
8
“Exit”
9
“Adjust”
10
Upwards adjust “+”
11
Downwards adjust “-”
12
LCD Display screen
Status Description
Code
Lighting
Blinking
Exceed the maximum temperature
of storage
SMX
Running of storage emergency
shutdown function
Running of collector emergency
shutdown function
OCEM
╋
Running of collector cooling
OCCO
Running of tank cooling function
OSTC
Start of anti-freezing function
OCFR
Running of anti-freezing function
OCFR
2 Overview
2.1 Technical data
 Power supply: 100…240V ~(50…60Hz)
 Rated impulse voltage: 2.5KV
 Housing：Plastic ABS
 Mounting：Wall mounting
 Operation: 10 push buttons at the front cover

SUNFLOWER SR81 Specifications

General

Brand	SUNFLOWER
Model	SR81
Category	Controller
Language	English