SR881 EPP Solar Work Station & Pump Stations

1.1 Overview

SR881 EPP solar workstation is uesd forsplit pressurized solar water heater systems.It has flow control, heat cycle, exhaust, pressure control, temperature display, system injection / drain and many other functions.By connecting solar collectors and split pressurized water tanks,store solar energy in a water tank.It can monitor system temperature, pressure, flow and so on at any time.

1.1.1 Product picture

RS881 single line pump station

1.1.2 Kits Parameter

1.2 Main functions

• Timing  heating

• Temperature  difference  control  1*ΔT

• Collector  emergency  shutdown

• Collector  cooling  function

• Collector  low  temperature  protection

• Collector  frost  protection

• Tank  re-cooling  function

• Celsius  and  Fahrenheit  temperature  switch

• Maximum  temperature  of  tank(max.number  1)

• Anti-Legionella  function

• Temperature  controlled  hot  water  circulation  pump

• RPM  speed  controlling(1*semiconductor)

• Thermal  energy  measuring

• Pump  interval  functions.

• High  temperature  by-pass  function

• Manual  Control(  for  2  outputs:P1H1)

• Password  setting

• Recovery  to  factory  setting

• Holiday  fucntion

• Manual  Heating

• Temperature  query  function

• Memory  Protection

• Screen  protection

• Trouble  shooting

• Trouble  protection

• Trouble  checking

1.3 Delivery scope

2.1 Technical Parameters

2.2 Size

Product：40cm×20cm×14.5cm,5.5kg

Package：44cm×30cm×19cm,6kg

2.3 Optional accessories

2.3.1 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:

2.3.2 Digital flow counter FRT（A17）

3.1 SR881 Installation diagram

3.2 SR881 Installation manual download:

Optional Instruction of solar pump station SR881