State Water Heaters GPO 86-199 Installation & Operation Instruction page 16

TWO TEMPERATURE - TWO HEATERS HIGH TEMPERATURE STORAGE
DANGER:
TEMPERATURE SETTING SHOULD NOT EXCEED SAFE
TEMPERATURES AT FIXTURES. SEE WATER TEMPERATURE
CONTROL WARNING ON PAGE 10. IF HIGHER PREHEAT
TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE
BOOSTER OUTPUT, ADD AN ANTI-SCALD VALVE FOR HOT
WATER SUPPLIED TO FIXTURES.
* PIPE RELIEF VALVE TO OPEN DRAIN
NOTE: IF TEMPERED WATER IS RECIRCULATED, RETURN LINE
SHOULD BE CONNECTED AT POINT "A"
FOR MULTIPLE HEATER INSTALLATION SEE MANIFOLD KIT
SPECIFICATIONS, PAGES 19.
INSTALL IN ACCORDANCE WITH LOCAL CODES
WIRING DIAGRAM FOR TEMPERED WATER LOOP
(IF USED)
WITH OR WITHOUT RECIRCULATION
VACUUM RELIEF VALVE
INSTALL PER LOCAL CODES.
16
INSET B
INSET A
INSTALL THERMAL EXPANSION TANK
IN COLD WATER SUPPLY LINE, IF
CHECK VALVE OR PRESSURE
REDUCING VALVE IS USED IN
SUPPLY.
WIRING DIAGRAM FOR 180°F (82.2°C) LOOP (IF USED)