PVI Industries Water Heater User Manual

PV500-33  05-2002 

2 

Section 33 

1. Status lights 

7. Fuses 

(GRN-Power on; YEL-Elements on;  

8. Contactors 

RED-Over temp or low water 

9. Step-down transformer (optional) 

2. Float low water cutoff 

10. Primary heating element (NEMA 7) 

3. Temperature limiting device 

11. Operating thermostat 

(Set at 190°F) 

(Set at 120°F, adjustable from 80°F to 185°F) 

4. Temperature & pressure relief valve 

12. Secondary heating element (NEMA 7) 

5. Control enclosure 

13. Drain 

6. Supply & remote signal connections