Instruction of SR81 Split Pressurized Solar Hot Water System
Page 1 of 48
Contents
1.Safety information .............................................................................................................. 3
1.1 Installation and commissioning ........................................................................................ 3
1.2 About this manual ............................................................................................................ 3
1.3 Liability waiver ................................................................................................................. 3
1.4 Important information....................................................................................................... 4
1.5 Signal description ............................................................................................................ 4
1.6 Button and HMI description ............................................................................................. 4
2.Overview ............................................................................................................................ 5
2.1 Technical data.................................................................................................................. 5
2.2 Delivery list ...................................................................................................................... 6
3. Installation ......................................................................................................................... 6
3.1 Mounting the display of controller .................................................................................... 6
3.2 Mounting the board of controller ...................................................................................... 7
3.3 Preparation before wiring connection .............................................................................. 7
3.4 Wiring connection ............................................................................................................ 7
3.5 Terminal connection ......................................................................................................... 8
3.5.1 Terminal allocation of controller for electrical heater of 1500W .................................... 8
3.3.2 Terminal allocation of controller for electrical heater of 3000W/4000W ........................ 9
4. System description (Standard solar system with 1 tank, 1 collector field) ....................... 10
5. Time setup ........................................................................................................................ 11
6. Function’s parameters and options.................................................................................. 12
6.1 Overview of menu structure ........................................................................................... 12
6.2 Menu operation description ........................................................................................... 12
6.3 Value checking and function checking ........................................................................... 13
7. Functions operation and parameters setting (for user) .................................................... 13
7.1 Timing heating ............................................................................................................... 13
7.2 CIRC DHW circulation pump controlled by temperature and time ................................. 17
8. Function operation and parameter setup (engineer)........................................................ 22
8.1 PWD Password ............................................................................................................. 22
8.2 LOAD tank heating...................................................................................................... 22
8.3 COL Collector function .................................................................................................. 24
8.4 COOL Collector function ................................................................................................ 28
8.5 AUX Auxiliary function ................................................................................................... 31
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