Piping Diagrams - Lochinvar SQUIRE SIT030 Installation And Operation Manual

3
Boiler side piping
Figure 3-1 Piping Diagram Zoned with Circulators
PRESSURE
REDUCING VALVE
BACKFLOW
PREVENTER
MAKE UP WATER
AIR SEPARATOR
EXPANSION
TANK
DRAIN POINT
(TYPICAL)
BALL VALVE
(TYPICAL)
UNION
(TYPICAL)
TEMPERATURE /
PRESSURE
GAUGE
DRAIN
PRESSURE
RELIEF VALVE
Please note that these illustrations are meant to show system piping concept only, the installer is responsible
NOTICE
for all equipment and detailing required by local codes.
Please note that the installer is responsible for ensuring DHW prioritization when piped as a zone.
NOTICE
(continued)
ZONE #1
PRESSURE
GAUGE
SYSTEM SUPPLY
SENSOR
(WHEN USED)
NOT TO EXCEED 4 PIPE DIA.
OR A MAXIMUM OF 12" APART
Y-STRAINER
FLOW CHECK
VALVE
BOILER
CIRCULATOR
SOLUTION
BOILER
Installation & Operation Manual
ZONE #2 ZONE #3 ZONE #4
HOT
WATER
OUT
ANTI-SCALD
MIXING VALVE
RELIEF VALVE
TANK SENSOR/
AQUASTAT
CHECK VALVE
SQUIRE
DRAIN
( FIELD SUPPLY )
ZONE CIRCULATORS
(TYPICAL)
COLD
WATER
IN
RECIRCULATION
PUMP
7