ST – 480
Table of contents
I. Description..................................................................................5
II. Functions of the controller.............................................................7
II.1.Preset temperature of the central heating system .......................8
II.2. Preset temperature of hot domestic water ................................8
II.3. Manual operation...................................................................9
II.4. Weekly control ......................................................................9
II.5.Feeding time ........................................................................11
II.6. Feeding pause......................................................................11
II.7. Temperature alarm...............................................................11
II.8. Blowing rate........................................................................11
II.9. Pump operation modes..........................................................12
II.9.a) House heating................................................................13
II.9.b) Boiler tank priority.........................................................13
II.9.c) Pumps in parallel............................................................13
II.9.d) Summer mode...............................................................14
II.10. Sustained operation............................................................14
II.11. Sustain pause....................................................................14
II.12. Fan in sustain mode............................................................15
II.16 Factory settings...................................................................15
II.17 Information about the programme.........................................16
III. Installation menu......................................................................16
III.a.1 Switch on............................................................................17
III.a.2) Set-point valve temperature.................................................17
III.a.3) Temperature control............................................................17
III.a.4) Opening time......................................................................17
III.a.5) Single step.........................................................................18
III.a.6) Minimum opening................................................................18
III.a.7) Type of valve......................................................................18
III.a.8) Weather program (weekly valve program)..............................18
III.a.9) Return protection................................................................19
III.a.10) Room thermostat reduction................................................20
III.a.11) Operation of TECH thermostat.............................................20
III.b) Valve 1...........................................................................21
III.c)Valve 2..................................................................................24
III.1. Pump activation temperature................................................24
III.2. Boiler hysteresis.................................................................24
III.3. HUW hysteresis...................................................................24
III.4. TECH controller...................................................................25
III.5. GSM module.......................................................................25
III.6. Internet module..................................................................25
III.7. Feeder in auto mode............................................................25
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