Lochinvar Knight 80 - 285 - Manual (Page 29)

Installation & Operation Manual
29
6
Hydronic piping
(continued)
Circulator sizing
The Knight boiler heat exchanger does have a pressure drop,
which must be considered in your system design. Refer to the
graph in FIG. 6-3 for pressure drop through the Knight boiler
heat exchanger.
FRO
M
TO
INDIRECT
DOMESTIC
HOT WATER
TANK
TO FLOOR
DRAIN
TO
SYSTEM
FROM
SYSTEM
Figure 6-2 Near Boiler Piping Connections
RELIEF VALVE
TEE WITH 3/4” FITTING ON TOP
CLOSE NIPPLE
(FIELD PROVIDED)
CLOSE NIPPLE
TEE WITH FITTING ON TOP
(FIELD PROVIDED)
TEMPERATURE AND
PRESSURE
GAUGE
Figure 6-1 Relief Valve / T & P Installation