A.O. Smith Conservationist Large Volume COF and COBT Technical Documents

A.O. Smith Conservationist Large Volume COF and COBT Technical Documents
ONE OR TWO TEMPERATURE
TWO HEATERS
WITH OR W/O MIXING VALVE
TWO PREHEATERS WITH BOOSTER
HEATER WITH OR W/O BUILDING
RECIRCULATTION
APPLICATION TYPE DIAGRAM
SEE INSTALLATION MANUAL
FOR COMPLETE INSTRUCTIONS
INSTALL IN ACCORDANCE WITH LOCAL CODES.
OIL FIRED TANK TYPE
COF-199 THRU 700
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.
MUST BE IDENTICAL HEATERS
TWO HEATERS WITH OR WITHOUT MIXING VALVE
OUTLET
(BOOSTED
TEMPERATURE)
* PIPE RELIEF VALVE TO OPEN DRAIN.
** 120°F SHOULD BE MINIMUM AND 140°F TO 150°F
SHOULD BE MAXIMUM TEMPERATURE OF WATER
STORED IN PRE-HEATER.
SEE PAGE A305.0 FOR MANIFOLD KITS.
MUST BE IDENTICAL HEATERS
TWO PRE-HEATERS WITH BOOSTER HEATER
Revised March 1996
A 309.0
MEDIUM TEMPERATURE
ONE HEATER WITH
AUXILIARY STORAGE TANK
FORCED CIRCULATION WITH
OR W/O BUILDING RECIRCULATION
APPLICATION TYPE DIAGRAM
SEE INSTALLATION MANUAL
FOR COMPLETE INSTRUCTIONS
INSTALL IN ACCORDANCE WITH LOCAL CODES.
OIL FIRED TANK TYPE
COF-199 THRU 700
VERTICAL STOTRAGE TANK
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.
HORIZANTAL STORAGE TANK
* PIPE RELIEF VALVE TO OPEN DRAIN.
HEATER THERMOSTATS SHOULD BE SET AT LEAST 5°
HIGHER THAN TANK TEMPERATURE CONTROL.
A 310.0
© A. O. Smith Corp., 1996
Printed in U.S.A.
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