Contents
1 Safety Notices (Please be sure to abide) ............................. 1
2 Models and Technical Specifications ................................... 6
3 Working Principles and Advantages..................................... 9
3.1 Schematic Diagram of the Air Source Water Heater .................... 9
3.2 Brief Introduction to Principles...................................................... 9
3.3 Advantages ................................................................................... 9
4 Installation Precautions ...................................................... 11
4.1 Importance Notes ........................................................................11
4.2 Basic Requirements for Installation Sites ................................... 12
5 Main Unit Installation ......................................................... 12
5.1 Location for Installing the Main Unit ........................................... 12
5.2 Space Requirement for Main Unit Installation ............................ 12
6 Installation of the Water Tank ............................................. 14
7 Pipeline Connection ........................................................... 15
7.1 Refrigerant Pipe Connection ...................................................... 15
7.2 Exhaust Methods ........................................................................ 17
7.3 Water Pipe Connection ............................................................... 19
8 Installation Diagram of the Unit .......................................... 23
9 Wiring ................................................................................ 24
9.1 Wire Layout................................................................................. 24
9.2 Wire Connections ....................................................................... 25
10 Wired Controller Installation ............................................. 27
10.1 Requirements for Wired Controller Installation Locations ........ 27
10.2 Wired Controller Installation ..................................................... 27
10.3 Rainproof Box Installation ........................................................ 29
11 Commissioning ................................................................ 31
12 Methods for Replenishing or Discharging Refrigerants .... 33
12.1 Refrigerant Replenishment ....................................................... 33
12.2 Refrigerant Discharging ............................................................ 33
13 Method for Refrigerant Reclamation ................................ 34
14 Performance of the Unit ................................................... 35
14.1 Heating Capacity ...................................................................... 35
14.2 Operating Performance ............................................................ 36
15 Operation Notices in winter .............................................. 37
16 Maintenance .................................................................... 38