A.O. Smith COF-199 manual Single Temperature or Booster, Pipe to Open Drain

SINGLE TEMPERATURE OR BOOSTER

DANGER:

TEMPERATURE SETTING SHOULD NOT EXCEED SAFE

TEMPERATURES AT FIXTURES. SEE WATER TEMPERATURE

CONTROL WARNING ON PAGE 11. IF HIGHER PREHEAT

TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE

BOOSTER OUTPUT, ADD AN ANTI-SCALD VALVE FOR HOT

WATER SUPPLIED TO FIXTURES.

TWO TEMPERATURE - ONE HEATER HIGH TEMPERATURE STORAGE

WITH OR WITHOUT RECIRCULATION

INSET B

NOTE: IF TEMPERED WATER IS RECIRCULATED RETURN LINE SHOULD BE CONNECTED AT POINT "A"

* PIPE TO OPEN DRAIN

RETURN LINE FROM 180°F (82.2°C)

CIRCULATING LOOP (IF USED)

VACUUM RELIEF VALVE INSTALL PER LOCAL CODES.

INSET A

INSTALL THERMAL EXPANSION TANK IN COLD WATER SUPPLY LINE, IF CHECK VALVE OR PRESSURE REDUCING VALVE IS USED IN SUPPLY.

INSTALL IN ACCORDANCE WITH LOCAL CODES WIRING DIAGRAM FOR 180° LOOP (IF USED)

WIRING DIAGRAM FOR TEMPERED WATER LOOP

(IF USED)

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