Lochinvar Knight Wall Mount Soiler 51-211 - Manual (Page 42)

42
Installation & Operation Manual
6
Hydronic piping
BOILER
INDIRECT
DHW TANK
ANTI-SCALD
MIXING VALVE
COLD
WATER
IN
TEMPERATURE /
PRESSURE
GAUGE
AIR SEPARATOR
BALL VALVE
(TYPICAL)
UNION
(TYPICAL)
DRAIN POINT
(TYPICAL)
MAKE
UP
WATER
HOT WATER
OUT
BOILER
CIRCULATOR
BACKFLOW
PREVENTER
PRESSURE
REDUCING VALVE
PRESSURE
GAUGE
EXPANSION
TANK
MIXING VALVES
(TYPICAL)
SYSTEM
SUPPLY
SENSOR
DRAIN
Y-STRAINER
(RECOMMENDED)
MAY SUBSTITUTE
LOW LOSS HEADER
TEMPERATURE
LOOP #1
TEMPERATURE
LOOP #2
TEMPERATURE
LOOP #3
NOT TO EXCEED 4 PIPE DIA
OR MAX. OF 12" APART
FLOW CHECK
VALVE
DOMESTIC
HOT WATER
CIRCULATOR
WIRES
TO LOOP
SENSORS
24V SIGNAL TO
MIXING VALVES
120VAC TO PUMPS
MULTI-TEMP
LOOP CONTROL
(OPTIONAL)
IMG00187
SHIELDED CABLE TO
BOILER CONTROL
Figure 6-5 Single Boiler - Multiple Temperatures
Please note that these illustrations are meant to show system piping concept only, the installer is responsible
for all equipment and detailing required by local codes.
NOTICE
CAUTION
Mixing valves are required for the protection of low temperature loops.