A.O. Smith BT-100 Wiring Diagram

HEATER WITH OR WITHOUT MIXING VALVE
CAUTION:
IF BUILDING COLD WATER SUPPLY HAS
A BACKFLOW PREVENTER, CHECK
VALVE OR WATER METER WITH CHECK
VALVE, PROVISIONS FOR THERMAL
EXPANSION OF WATER IN THE HOT
WATER SYSTEM MUST BE PROVIDED.
INSERT A
INSTALL THERMAL EXPANSION
TANK ON COLD WATER SUPPLY
LINE, IF CHECK VALVE OR
PRESSURE REDUCING VALVE
IS USED IN SUPPLY.
WIRING DIAGRAM FOR EACH WATER LOOP (IF USED)
LINE
Revised March 1997
HEATER
HEATER WITH MIXING VALVE AND RECIRCULATED LOOP
ONE OR TWO TEMPERATURE–
ONE HEATER MEDIUM TEMPERATURE
STORAGE WITH OR WITHOUT
MIXING VALVE APPLICATION FOR
TWO TEMPERATURE WATER
TEMPERED
WATER OUTLET
R
COLD
WATER
INLET
CIRCULATING RETURN LINE CONNECTIONS
– TEMPERED WATER LOOP, IF USED, CONNECT
TO POINT R
– STORED TEMPERATURE WATER LOOP, IF USED,
CONNECT TO COLD WATER INLET.
INSTALL IN ACCORDANCE WITH LOCAL CODES.
*
PIPE RELIEF VALVE TO OPEN DRAIN.
AVAILABLE FROM A. O. SMITH.
RECIRCULATION
GAS FIRED TANK TYPE
BT-65 THRU BT-100
HOT WATER
OUTLET
12"
FROM TANK
TO
OUTLET
15"
CHECK VALVE
=
MIXING VALVE
CHECK VALVE
TO TANK
INLET
A 111.0