Solar heater controller

Suitable for integrated Non-pressure solar water heater CUSIS series

SR501, micro-computer automatic controller for solar water heater, It is used to control integrated un-pressurized solar thermal system. It is developed using the latest NEC high-performance microcontroller to achieve intelligent control; All devices are industry standard and maintain good operation in cold, hot and humid environments.

At the same time, it uses a dedicated clock chip, accurate time control. The controller uses LCD liquid crystal display, the appearance of beautiful, stable and reliable performance, easy installation, making it the best matching products for solar water heater.

1.Dimension：205mmX150mmX50mm

2.Power supply：AC100-240V，50Hz

3.Accuracy of temperature measuring：±2℃ 

4.Range of tank temperature measuring：0~99℃ 

5.Accurancy of temperature control：±2℃ 

6.Power for water loading:≤200W

7.Power for self heating cable:≤600W

8.Power for heating element：≤1500W /3000W(Two model number can be choice)

9.The electromagnetic valve：  DC12V/   AC220V，(Optional pressure valve and low pressure valve) 

※Pressure valve working pressure：  0.02Mpa~0.8Mpa  (For direct water supply)

※Low-Pressure valve working pressure：  0.0Mpa (Water supply by water tank or low water pressure)

 Suitable for integrated High pressure solar water heater CUSHP series

Appearance of controller: see product itself ( dimension: 179mm x120mm x43mm)

Power supply：AC230V ±10%

Power consumption：< 3W

Accuracy of temperature measuring： ± 2oC

Range of tank temperature measuring： 0 ~100oC

Suitable power of electrical heater, ≤ 2000W

Inputs： 1 piece NTC10K, B3950 sensor (≤ 135oC) for tank, (PVC cable ≤105oC),

Outputs：1 relay, for electrical heating

Ambient temperature ：-10oC~ 50oC.

Water proof grade：IP40. 

Suitable for Active solar water heating system CUCLS series

Old SR868C8 updated version

Temperature measurement accuracy:0.1C

10 push buttons at the front cover.

5 variants version can be optional

With separate keypad

APPLICATIONS CAPACITY

Max.number of collectors:1

Max.number of storage tanks:1

Max.number of relays:4

Max.number of sensors:5

Max.number of visualization application system: 1

FRT:1* Rotary vane type electron flow meter

Size of Keypad:120mm x 120mm x 18mm

Size of Controller(1.5KW version): 187mm x128mm x46mm

Size of Controller(3KW version): 218mm x165mm x55mm

Size of Controller(4KW version): 218mm x165mm x55mm

Power supply: AC100-240V50-60Hz. .  

Power consumption: < 2.5W

Rated impulse voltage: 2.5KV

Housing: Plastic ABS

Protection type: IP41