Lochinvar Commercial Gas Glass Lined Tanke Type Water Heater CG150 - Manual (Page 14)

14
INSTALLATION DIAGRAMS-SIDE INLET/OUTLET USAGE
DANGER
TEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE
TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE CONTROL
WARNING ON PAGE 20. IF HIGHER PREHEAT TEMPERATURES ARE
NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT, ADD AN
ANTI-SCALD VALVE FOR HOT WATER SUPPLIED TO FIXTURES.
A listed temperature and pressure relief valve of adequate
capacity is installed on the heater. The locations shown in the
installation diagrams on the following pages are typical.
The discharge opening of the temperature and pressure relief
valve must be piped to an open drain and should not be subject
HEATER
WITH OR WITHOUT BUILDING RECIRCULATION
to freezing conditions. DO NOT REDUCE, BLOCK OR PLUG
THE DISCHARGE OPENING OF THE VALVE.
TWO TEMPERATURE - TWO HEATERS,
ONE PRE-HEATER/ONE - BOOSTER
CIRCULATING RETURN LINE CONNECTION
- FROM FIXTURE LOOP, IF USED, CONNECT
TO PRE-HEATER INLET.
- FROM BOOSTED TEMPERATURE LOOP, IF
USED CONNECT TO BOOSTER INLET.
† AVAILABLE FROM LOCHINVAR.
* PIPE RELIEF VALVE TO OPEN DRAIN.
INSTALL IN ACCORDANCE WITH LOCAL CODES.