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General| Brand | SUNFLOWER |
|---|---|
| Model | SR81Q |
| Category | Controller |
| Language | English |
Guidelines for wiring and safe installation practices.
Explains the purpose and scope of the manual.
Manufacturer's disclaimer regarding improper installation or use.
General notes and potential errors in the manual.
Explains symbols used for safety and operation instructions.
Identifies and describes the controller's buttons and display elements.
Lists key technical specifications of the controller and its inputs/outputs.
Instructions for physically attaching the controller display unit.
Instructions for mounting the main controller board.
Steps to prepare for electrical connections.
General guidelines for making electrical connections.
Details on connecting wires to controller terminals.
Specific wiring instructions for R3 output with valves or pumps.
Wiring instructions for connecting high-efficiency pumps.
Best practices for installing temperature sensors to ensure accuracy.
Visual representation of the controller's menu hierarchy and functions.
How to navigate through the controller's menus and adjust settings.
How to view current system values and check function status.
Configuration for timed heating cycles based on temperature.
Setting up the domestic hot water circulation pump.
How to set or change the controller's access password.
Configuration for tank heating based on temperature differentials and pump speed.
Settings related to collector operation and protection.
Configuration for the collector emergency shutdown function.
Configuration for the collector minimum temperature function.
Configuration for the collector antifreeze function.
Configuration for the tube collector function.
Settings for controlling pump operation and speed.
Configuration for various cooling functions of the solar system.
Setup for the system cooling function.
Setup for the tank cooling function.
Setup for heat transferring by external radiator.
Settings for auxiliary functions like timers and thermostats.
How to manually control the controller's relays.
Function to protect pumps from blocking during standstill.
Prevents Legionella spread by sterilizing DHW tanks.
Enables parallel control of a motor valve or pump using separate relays.
Methods for measuring thermal energy produced by the solar system.
Configuration and monitoring of flow meters.
Setting temperature and thermal energy units (Celsius/Fahrenheit, kWh/BTU).
Restoring controller parameters to factory default settings.
Setting or recovering the controller's password.
Manually triggering backup heating for the tank.
Energy-saving mode that disables certain heating functions.
Manually activating the DHW circulation pump.
Instructions for switching the controller on and off.
Function to reduce thermal load during periods of absence.
Manually activating the circuit pump for a set duration.
How settings are retained during power outages.
Automatic screen dimming and protection feature.
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