15
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.
ONE OR TWO TEMPERATURE - ONE HEATER MEDIUM TEMPERATURE STORAGE
WITH RECIRCULATED LOOP
(FOR STORAGE OR INSTANTANEOUS HEATERS ONLY)
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:
IF TEMPERED WATER IS RECIRCULATED, RETURN LINE SHOULD BE
CONNECTED AT POINT “A”.
NOTE:
STORED TEMPERATURE WATER LOOP, IF USED, CONNECT TO COLD
WATER INLET.
NOTES