Hydronic piping, Near boiler piping connections, Installation & operation manual – Lochinvar Knight Wall Mount Soiler 51-211 User Manual
Page 37: Circulator sizing, Figure 6-1a near boiler piping w/y-strainer, Figure 6-1b near boiler piping w/low loss header, Continued)
Installation & Operation Manual
37
Near boiler piping connections
VENT AIR
Y-STRAINER
(RECOMMENDED)
DOMESTIC
HOT WATER
PUMP
CONDENSATE
DRAIN
SYSTEM
PUMP
BOILER
PUMP
FR
OM
SY
ST
EM
TO
SY
ST
EM
TO
FROM
INDIRECT
DOMESTIC
HOT WATER
TANK
TO FLOOR
DRAIN
AIR
SEPARATOR
EXPANSION TANK
SYSTEM
SENSOR
Figure 6-1A Near Boiler Piping w/Y-Strainer
VENT
AIR
TO FLOOR
DRAIN
AIR VENT
VALVE
AIR
SEPARATOR
SYSTEM
SENSOR
DRAIN (TYPICAL)
SYSTEM PUMP
LOW LOSS HEADER
(TYPICAL)
CONDENSATE
DRAIN
INDIRECT
DOMESTIC
HOT WATER
TANK
Y-STRAINER
(RECOMMENDED)
DRAIN VALVE
BOILER
PUMP
FILL VALVE
EXPANSION TANK
TO
SY
ST
EM
FR
OM
SY
ST
EM
FR
OM
TO
DOMESTIC HOT
WATER PUMP
AIR SEPARATOR
SYSTEM SENSOR
Figure 6-1B Near Boiler Piping w/Low Loss Header
6
Hydronic piping
(continued)
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.