SR658 Solar water Heater Controller
Functions: operating hour counter, tube collector function, thermostat function, pump speed control, heat quantity measurement, external heat exchange,swimming pool circuit system, adjustable system parameters and optional functions (menu-driven), balance and diagnostics.
Controller introduction
LED large screen display
6 * relay outputs
1 * low voltage relay output for boiler on/off control
8 * sensor inputs
1 * Input for Grundfos Direct Sensor TM (VFS)
1 * Input for (FRT) rotary blade electronic flowmeter
3 * Variable frequency PWM outputs for the speed control of the high efficiency pump
Data saved on the TF card (Micro SD)
485 communication port for connect communication module (function not available now)
19 systems for choose
Delivery list
1 * SR658 controller
1 * user manual
2 * screen and expansion
2 * P1000 temperature sensor (phi6*50mm, cable length 1.5meter)
4 * NTC10K temperature sensor (phi6*50mm, cable length 3meter)
1 * clamp bag
Technical data
Inputs: 2* PT1000 temperature sensors
6* NTC10K, B=3950 temperature sensors
1* Grundfos Direct Sensor (VFS type)
1* Rotary blade electronic flowmeter (FRT)
Output
3* Electromagnetic relay, Max. current 1A
3* Semiconductor repay, Max. current 1A
1* low voltage relay (on/off signal), boiler on/off control
3* PWM variable frequency output (switchable 0-10V)
Power supply: 100hellip240V ~ (50hellip60Hz)
Rated impulse voltage:：2.5KV
Data interface : TF (Micro SD)
485 current supply：60mA (function not available now)
Housing:Plastic ABS
Mounting:Wall mounting
Indication / Display: System-Monitoring-Display, for visualization of the systems, LED l
display, and background illumination
Operation: 5 push buttons at the front cover
Protection type: IP41
Protection class: I
Ambient temperature: 0 ... 40 deg
Degree of pollution: 2
Dimensions: 208*158*43mm
Available systems
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