State Water Heaters GPO 86-199 Installation & Operation Instruction page 18

NOTE 1: TOGGLE SWITCH CONTROLS 180°F WATER CIRCULATION.
INSTALL ON OR CLOSE TO DISHWASHING MACHINE .
TOGGLE SWITCH MUST BE CLOSED (ON) DURING THE
RINSE OPERATION AND OPEN (OFF) WHEN DISHWASHER
IS NOT OPERATING.
NOTE 2: INSTALL LINE TEMPERATURE CONTROL IN AN
UNINSULATED TEE BEYOND THE DISHWASHING
MACHINE TAKEOFF IN THE SANITIZING LOOP. CONTROL
SHOULD BE SET AT 185°F (85°C).
NOTE 3: ADJUST PLUG COCK SO THE SANITIZING LOOP FLOW
RATE DOES NOT CAUSE UNNECESSARY TURBULENCE
IN THE TANK.
NOTE 4: IF TEMPERED WATER IS RECIRCULATED, RETURN LINE
SHOULD BE CONNECTED AT POINT "A".
TWO TEMPERATURE-ONE HEATER HIGH TEMPERATURE STORAGE
WITH RECIRCULATION OF SANITIZING LOOP
INSET B
VACUUM RELIEF VALVE
INSTALL PER LOCAL CODES.
WIRING DIAGRAM FOR 180° LOOP (IF USED)
NOTES
18
INSET A
INSTALL THERMAL EXPANSION
TANK IN COLD WATER SUPPLY
LINE, IF CHECK VALVE OR
PRESSURE REDUCING VALVE IS
USED IN SUPPLY.