User Guide

44
NOTES: 1. Preferred piping diagram. 2. The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the system.
3. Service valves are shown for servicing unit. However, local codes shall govern their usage.
SINGLE F
LUE - (2 UNITS) TWO TEMPERATURE ONE PRE-HEATER/ONE BOOSTER HEATER
LEGEND
TEMPERATURE & PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN
FULL PORT BALL VALVE TEMPERATURE GAGE WATER FLOW SWITCH CHECK VALVE
W
ARNING:
THIS DRAWING SHOWS SUGGESTED
PIPING CONFIGUR
ATION AND OTHER DEVICES;
CHECK WITH LOCA
L CODES AND ORDINANCES
FOR
ADDITIONA
L REQUIREMENTS.
FINISHED FLOOR
HOT WATER
TO FIXTURES
HOT WATER RETURN
HOT HOTCOLD
HIGH
TEMPERATURE
RETURN
HIGH
TEMPERATURE
OUTLET
COLD WATER SUPPLY
EXPANSION TANK
PIPE T&P TO
OPEN DRAIN
PIPE T&P TO
OPEN DRAIN
BOOSTER
HEATER