A.O. Smith COF-199 THRU 700A Specifications download pdf (Page 16)

SINGLE TEMPERATURE OR BOOSTER

TWO TEMPERATURE - ONE HEATER HIGH TEMPERATURE STORAGE

WITH OR WITHOUT RECIRCULATION

RETURN LINE FROM 180°F (82.2°C)

CIRCULATING LOOP (IF USED)

NOTE: IF TEMPERED WATER IS RECIRCULATED

RETURN LINE SHOULD BE CONNECTED

AT POINT "A"

* PIPE TO OPEN DRAIN

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.

WIRING DIAGRAM FOR 180° LOOP (IF USED)

INSET A

INSTALL THERMAL EXPANSION TANK

IN COLD WATER SUPPLY LINE, IF

CHECK VALVE OR PRESSURE

REDUCING VALVE IS USED IN

SUPPLY.

INSET B

VACUUM RELIEF VALVE

INSTALL PER LOCAL CODES.

INSTALL IN ACCORDANCE WITH LOCAL CODES

WIRING DIAGRAM FOR TEMPERED WATER LOOP

(IF USED)

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 55 56

No comments

A.O. Smith COF-199 THRU 700A Specifications Page 16