SR1568 Solar Controllers for Split Solar Water Heater

1.1 Overview

• SR1568 solar controller used for more complex and versatile solar heating systems.

• With networking capabilities for remote control.

• It can heat multiple water tanks, control multiple solar collector matrices and intelligent control of alternative energy equipment such as gas, heat pumps, and boilers.

• It can realize intelligent control of heating water tank, swimming pool, floor heating and other equipment.

• 23 systems can be programmer.

• Conventional/HE pump both available on.

• Support firmware update by SD card.

1.2 APPLICATIONS CAPACITY

• PT1000 temperature sensor inputs:2

• NTC10KB=3950 temperature sensor inputs:5

• Grundfos Direct Sensor TM (VFS) analog input:1
  

• Grundfos Direct Sensor TM (RPS) analog input:1

• Electromagnetic relays:3

• Semiconductor relays:3

• Undefined external low voltage relay (switch signal):1

• PWM variable frequency outputs (switchable 0-10V):3

• TFT---color display

• Date---time/date setting

• Light---screen brightness setting

• SMT_HT---Intelligent heating

• Circle---water circulation pump control function

• SYS---(1-23) system selection

• CEM --- Collector emergency shutdown

• OCCO --- collector cooling

• OCMI--- collector minimum temperature

• OCFR--- Collector antifreeze function

• OTCO--- vacuum tube collector intermittent function

• PUMP--- Pump control method

• LLOGI---water level first

• COOL---cooling function

• OHDP ---heat transfer

• HEATX---heat transfer between water tanks

• RPH---heating back to warm up

• SFB--- Solid fuel furnace function

• BYPR---Solar cycle bypass function

• TIMER---Timer function

• AH---automatic temperature adjustment function

• BEEP---Buzzer fault alarm function

• BLPR---blocking protection

• OTDIS---high temperature sterilization function

• OPAR --- parallel relay

• OHQM--- calorie measurement

• GFDS --- Grundfos flowmeter

• PRESS---pressure monitoring

• UNIT---Conversion of Celsius and Fahrenheit

• OSDC---SD card

• RESET---reset

• PASS---Password setting

• Holiday function

• Controller software online upgrade function

• Protective function

• Power failure memory protection

• Screen protector

1.4 Delivery scope

2.1 Technical Parameters

2.2 Optional accessories

2.2.1 Groundfos Direct Sensor VFS & Flow Meater

2.2.2 Electromagnetic relay : SR802,can control electric heating of ≤4000W.

Contactor unit of high power: SR802 When user selects electrical heater as back-up device, we recommend using SR802 unit connecting controller and electrical heater. Technical data of SR802 Dimension: 100mmx100mmx65mm Power supply:180V～264V/AC 50/60Hz Suitable power: ≤ 4000W Available ambient temperature: -10 ~ 50oC Water proof grade: IP43

SR802 Connection Diagram:

2.2.3 WIFI to 485m Model

3.1 Solar system with east/west collector fields, 3-ways valve for tank loading in layers

3.2 Solar system with 1 collector field, 1 tank, loading the heating return

3.3 Solar system with east/west collector fields, 1 tank, 3-ways valve loading tank in layers, loading the heating return D

3.4 Solar system with 1 collector field, 2 tanks, Pump switch loading tank

3.5 Solar system with 1 collector field, 2 tanks, valve switch loading tank, thermal energy transferring between 2 tanks

3.6 Solar system with east/west collector fields, 2 tanks, valve switch loading tank, thermal energy transferring between 2 tanks

3.7 Solar system with east/west collector fields, 2 tanks, valve switch loading tank, preheating return of heating system

SR1568 remote monitoring operation manual