SAS ST-550 zPID User Manual

SAS ST-550 zPID Specifications

General

Brand	SAS
Model	ST-550 zPID
Category	Controller
Language	English

Summary

I. Safety

IV. How to use the controller

IV.1. Principle of operation

Explains how the regulator controls fan and fuel feeder for boiler temperature.

IV.3. zPID control

Describes the zPID algorithm for continuous output signal control.

IV.4. Controller operation without zPID control

V. Controller functions - Main Menu

V.5. Temperature settings

Configuration of various temperature settings for the heating system.

V.5.a) Pre-set CH temperature

Defines the target temperature for the central heating boiler.

V.5.c) Pre-set DHW temperature

Sets the target temperature for domestic hot water.

V.5.e) Temperature of pump activation

Defines the temperature threshold for CH and DHW pump activation.

V.7. Operation settings

Configuration of operational parameters like feeding and pause times.

V.7.a) Feeding time

Sets the operation time for the fuel feeder.

V.7.b) Pause time

Sets the pause duration for the fuel feeder.

V.7.c) Blow force

Controls the fan speed, adjustable from 1% to 100%.

V.9. Operation modes

Configuration of different operational modes like heating and water priority.

V.9.a) House heating

V.9.b) Water tank priority

V.10. Weekly control

Enables programming temperature changes based on day and hour.

V.12. Fitter's menu

Access to advanced functions and parameters for qualified personnel.

VI. Controller functions - Fitter's menu

VI.1. PID coefficient

Adjusts boiler power coefficient and fan correction parameters.

VI.2. PID supervision

Configures combustion parameters for situations exceeding pre-set temperature.

VI.4. Valve settings

Configuration options for built-in and additional valves.

VI.4.a) Built-in valve, Additional valve 1 and 2

VI.5. Additional pump 1 / Additional pump 2

VI.8. Internet module

Configuration and operation of the internet module for remote control.

VI.11. Room regulator

VI.13. GSM module

Activates and configures the GSM module for remote control and alarms.

VII. ST-66P pellet module

b) Principle of operation (controller with pellet module)

Explains operation with pellet module, including grate control and damping.

c) Stages of controller operation

Fire-up

Operation

Supervision mode

Damping

VIII. Protections

VIII.1. Temperature alarm

Activates an alarm if temperature does not increase within a defined period.

VIII.2. Thermal protection of CH boiler (STB)

Protects boiler against excessive temperature increase via safety thermostat.

VIII.3. Automatic sensor control

Monitors sensors and triggers alarms for damaged sensors.

VIII.4. Protection against boiling of water in the CH boiler

Prevents boiling by controlling fan/feeder based on water tank temperature.

VIII.5. Temperature protection

Additional protection against hazardous temperature growth, disabling fan.

VIII.6. Fuel feeder protection