12
INSTALLATION DIAGRAMS
ONE TEMPERATURE - ONE HEATER VERTICAL STORAGE TANK FORCED CIRCULATION
WITH OR WITHOUT BUILDING RECIRCULATION
ONE TEMPERATURE - ONE HEATER HORIZONTAL STORAGE TANK
FORCED CIRCULATION WITH OR WITHOUT BUILDING RECIRCULATION
SCALD PREVENTION
HOT WATER CAN SCALD IF USED
CARELESSLY OR IN UNANTICIPATED
MANNER.
DANGER
TEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE
TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE CONTROL
SECTION ON PAGE 17 & 19. IF HIGHER PREHEAT TEMPERATURES
ARE NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT, ADD
AN ANTI-SCALD VALVE FOR HOT WATER SUPPLIED TO FIXTURES.
CAUTION:
IF BUILDING COLD WATER SUPPLY HAS A BACK-FLOW
PREVENTER, CHECK VALVE OR WATER METER WITH CHECK VALVE,
PROVISIONS FOR THERMAL EXPANSION OF WATER IN THE HOT WATER
SYSTEM MUST BE PROVIDED.
NOTE:
CONNECT RETURN LINE FROM HOT
WATER CIRCULATING LOOP (IF USED) TO
COLD WATER INLET LINE.
NOTE:
CONNECT RETURN LINE FROM HOT
WATER CIRCULATING LOOP (IF USED) TO
COLD WATER INLET LINE.
WIRING DIAGRAM FOR HEATER TO TANK
LOOP AND/OR HOT WATER LOOP
(IF USED)
*PIPE TO OPEN DRAIN
INSTALL IN ACCORDANCE WITH LOCAL CODES
