Lochinvar SSS031 - Manual (Page 8)

Installation & Operation Manual
8
3
Piping
SOLUTION
BOILER
SQUIRE
ANTI-SCALD
MIXING VALVE
COLD
WATER
IN
TEMPERATURE /
PRESSURE
GAUGE
AIR SEPARATOR
ZONE #1
ZONE #2 ZONE #3 ZONE #4
BALL VALVE
(TYPICAL)
UNION
(TYPICAL)
PRESSURE
RELIEF VALVE
DRAIN POINT
(TYPICAL)
MAKE UP WATER
HOT
WATER
OUT
BOILER
CIRCULATOR
BACKFLOW
PREVENTER
PRESSURE
REDUCING VALVE
PRESSURE
GAUGE
EXPANSION
TANK
ZONE VALVES
(TYPICAL)
DIFFERENTIAL
PRESSURE BYPASS
VALVE (IF USED) SYSTEM
CIRCULATOR
SYSTEM SUPPLY
SENSOR
(WHEN USED)
RECIRCULATION
LOOP
AQUASTAT
RELIEF VALVE
NOT TO EXCEED 4 PIPE DIA.
OR A MAXIMUM OF 12” APART
Figure 3-2 Piping Diagram Zoned with Valves