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SR881 Split Solar Hot Water System Controller Home Solar Heater Water System Controller
SR881 Split Solar Hot Water System Controller Home Solar Heater Water System Controller
SR881 Split Solar Hot Water System Controller Home Solar Heater Water System Controller
SR881 Split Solar Hot Water System Controller Home Solar Heater Water System Controller
SR881 Split Solar Hot Water System Controller Home Solar Heater Water System Controller
SR881 Split Solar Hot Water System Controller Home Solar Heater Water System Controller
SR881 Split Solar Hot Water System Controller Home Solar Heater Water System Controller
SR881 Split Solar Hot Water System Controller Home Solar Heater Water System Controller
SR881 Split Solar Hot Water System Controller Home Solar Heater Water System Controller
SR881 Split Solar Hot Water System Controller Home Solar Heater Water System Controller
SR881 Split Solar Hot Water System Controller Home Solar Heater Water System Controller
SR881 Split Solar Hot Water System Controller Home Solar Heater Water System Controller

SR881 Split Solar Hot Water System Controller Home Solar Heater Water System Controller

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Product Description
Product Description

140x140

SR21L for single pipeline with conventional pump

 

1.Integrated controller

2.Outstanding design

3.Assembly with safety valve and manometer

4.High-Quality casing for reduce heat loses

5.Flow rate check

6.Filling and flushing connection unit

7.Max.number of collectors:1

8.Max.number of storage tanks:1

9.Max.number of relays:2

10.Max.number of application system:1

Specification
SR881 Split Solar Hot Water System Controller Home Solar Heater Water System Controller manufacture
Specification of components
1.5.1 Return outlet connection (to collector): 3/4 IT
1.5.2 Safety valve: 6bar
1.5.3 Filling connection 3/4 male thread
1.5.4 Connection of expansion vessel 3/4 male thread
1.5.5 Manometer: 0-6bar
1.5.6 Non-return valve: opening pressure 200mmH2O
1.5.7 Circuit pump: Wilo 15-6 or Grundfos 15-65
1.5.8 Filling connection 3/4 male thread
1.5.9 Digital flow meter 1-16L/min (alternative mechanical flow counter2-12L/min)
1.5.10 Flow outlet connection (from tank):3/4’ IT
1.5.11 Wire terminal of controller
1.5.12 EPP insulation case
SR881 Split Solar Hot Water System Controller Home Solar Heater Water System Controller factory
Function
SR881 Split Solar Hot Water System Controller Home Solar Heater Water System Controller factory
1.Timing heating
2.Temperature difference control 1*ΔT
3.Collector emergency shutdown
4.Collector cooling function
5.Collector low temperature protection
6.Collector frost protection
7.Tank re-cooling function
8.Celsius and Fahrenheit temperature switch
9.Maximum temperature of tank(max.number 1)
10.Anti-Legionella function
11.Temperature controlled hot water circulation pump
12.RPM speed controlling(1*semiconductor)
13.Thermal energy measuring
14.Pump interval functions.
15.High temperature by-pass function
16.Manual Control( for 2 outputs:P1H1)
17.Password setting
18.Recovery to factory setting
19.Holiday fucntion
20.Manual Heating
21.Temperature query function
22.Memory Protection
23.Screen protection
24.Trouble shooting
25.Trouble protection
26.Trouble checking
Application
SR881 Split Solar Hot Water System Controller Home Solar Heater Water System Controller supplier
Company Profile
SR881 Split Solar Hot Water System Controller Home Solar Heater Water System Controller factory
Haining Fadi Solar Energy Co., Ltd.
Quality assurance and customer satisfaction lead Haining Fadi Solar Energy Co., Ltd's top belief. Fadi solar energy is one of the most professional manufacturers producing energy conservation and environment-friendly products, such as solar water heater, solar panel.solar enegry system,etc. Through several years' development, Fadi has been the outstanding one in the solar energy industry.

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