Instruction of SR81 Split Pressurized Solar Hot Water System
Page 1 of 59
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 ............................................................................... 7
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
3.6 R3 output connection with T- valve / pump ............................................................... 10
3.7 Connection with high efficiency pump ....................................................................... 10
4. System description (Standard solar system with 1 tank, 1 collector field) ................. 12
5. Time setup ................................................................................................................... 13
6. Function’s parameters and options ............................................................................. 13
6.1 Overview of menu structure ...................................................................................... 13
6.2 Menu operation description ....................................................................................... 14
6.3 Value checking and function checking ...................................................................... 14
7. Functions operation and parameters setting (for user) ............................................... 15
7.1 THET Timing heating ................................................................................................. 15
7.2 CIRC DHW circulation pump controlled by temperature and time ........................... 18
8. Function operation and parameter setup (engineer) .................................................. 23
8.1 PWD Password ......................................................................................................... 23
8.2 LOAD tank heating .................................................................................................... 24
8.3 COL Collector function .............................................................................................. 26
8.4 PUMP Pump control mode........................................................................................ 31
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