Instruction of SR81 Split Pressurized Solar Hot Water System
Page 6 of 48
Protection type: IP40
1500W or 3000W/4000W of electrical heater should be remarked in the purchased
order
Dimension of display: 120*120*18mm
Dimension of controller board with 1500W output: 200*140*43mm
Dimension of controller board with 3000W/4000W output: 218*165*55mm
Note: there are 4 inputs for NTC10K, B=3950 temperature sensor, but only 2 sensors
are included in the standard delivery list; the other two should be purchased separately by
customer if necessary.
2.2 Delivery list
1 * SR81 controller
1 * accessory bag
1 * user manual
1 * PT1000 temperature sensor (φ6*50mm,cable length 1.5meter)
2 * NTC10K temperature sensor (φ6*50mm,cable length 3meter)
1 *10A power cable ( Note: controller for 3000W/4000W electrical heater has no power
cable delivered, user should prepare a cable of 2.5mm
2
)
3. Installation
Note: The unit must only be located in the dry interior rooms. Please separate
routing of sensor wires and mains wires. Make sure the controller as well as the system is
not exposed to strong electromagnetic fields. For control 3000W/4000W electrical heaters,
an extra switch should be installed, and 2.5mm
2
cable should be used to connect electrical
heater to the terminals of controller.
3.1 Mounting the display of controller
►Using Screw and turn it, take the display base plate out, see picture 1
►Fixing the base on the wall with screw (see picture 2), (Note: don’t drill hole on the base
plate)
►insert the display into the base plate groove ①②, and press it tightly. See picture 3
To Next Page
Loading...
Need help?
General
