Sterlco SEU Series Economical Water TCU - Manual (Page 4)

WTR1-600 Chapter 1: Safety 4 of 42
Heaters ................................................................................................................ 26
Solenoid Valves .................................................................................................. 26
Water Hammer Arrestor (Shock Stop)- Optional ................................................. 26
Pump Starter ....................................................................................................... 26
Transformer ......................................................................................................... 26
Heater Contactor ................................................................................................. 26
Cooling ................................................................................................................ 26
Electricals ............................................................................................................ 26
Automatic Vent .................................................................................................... 27
Pressure Switch .................................................................................................. 27
4-2 The microprocessor Controller ................................................................................... 27
4-3 Controller Display ....................................................................................................... 27
CHAPTER 5: OPERATION ...................................................... 29
5-1 Introduction ................................................................................................................. 29
5-2 Startup Checklist ........................................................................................................ 29
5-3 Starting the Temperature Control Unit ........................................................................ 30
5-4 Sequence of Operation ............................................................................................... 31
5-5 Checking Motor Rotation Direction ............................................................................. 32
5-5 Shutting Down the Temperature Control Unit ............................................................. 32
CHAPTER 6: MAINTENANCE ................................................. 33
6-1 Preventative Maintenance .......................................................................................... 33
Every Six Months ................................................................................................................. 34
6-2 Corrective Maintenance .............................................................................................. 34
Electrical Connections ......................................................................................................... 35
6-3 Safety Devices ............................................................................................................ 35
Motor Overload.................................................................................................... 36
Pressure Switch .................................................................................................. 36
Safety Thermostat ............................................................................................... 37
6-4 Cleaning and Storage ................................................................................................. 38
CHAPTER 7: TROUBLESHOOTING ....................................... 39
CHAPTER 8: APPENDIX ......................................................... 42
Technical Assistance ........................................................................................................... 42
Parts Department ................................................................................................ 42
Sales and Contracting Department ..................................................................... 42
Facilities .............................................................................................................. 42