Near Boiler Piping Connections; Circulator Sizing - Lochinvar Knight WH 55 Installation & Operation Manual

6
Hydronic piping

Near boiler piping connections

Figure 6-1A Near Boiler Piping
VENT
OUTLET
INLET
CONDENSATE
DRAIN
BOILER
PUMP
TO FLOOR
DRAIN
Y-STRAINER
(RECOMMENDED)
SEPARATOR
EXPANSION TANK

Circulator sizing

The Knight wall mount boiler heat exchanger does have a pressure drop, which must be considered in your system design. Refer
to the graph in FIG. 6-2 for pressure drop through the Knight wall mount boiler heat exchanger.
(continued)
AIR
DOMESTIC
HOT WATER
PUMP
INDIRECT
DOMESTIC
HOT WATER
TANK
SYSTEM
PUMP
AIR
Installation & Operation Manual
Figure 6-1B Near Boiler Piping w/Low Loss Header
VENT
VENT
OUTLET
INLET
CONDENSATE
DRAIN
TO FLOOR
DRAIN
BOILER
PUMP
Y-STRAINER
(RECOMMENDED)
LOW LOSS HEADER
(TYPICAL)
AIR
DOMESTIC HOT
WATER PUMP
INDIRECT
DOMESTIC
HOT WATER
TANK
SYSTEM
SENSOR
AIR
SEPARATOR
AIR VENT
VALVE SYSTEM
PUMP
FILL VALVE
EXPANSION TANK
DRAIN (TYPICAL)
DRAIN VALVE
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