Lochinvar 502, 2072 operation manual Water connections, Installation & Operation Manual, Notice

Installation & Operation Manual

4 Water connections

Figure 4-7_Multi-stack frame - Cascaded heaters beyond 15 feet of pool piping

MODEL NO	BYPASS PIPE SIZE
CP (N,L) 502-752	2" MIN
CP (N,L) 992-2072	2-1/2" MIN

POOL

RETURN

SENSOR

LOCATION

	3'
	MIN
PRIMARY	4" PVC
LOCATION
POOL	110°
SUPPLY
SENSOR	LIMIT
	TO
	POOL
	LEADER

MEMBER

TABLE 4A

PIPE SIZING CHART

NUMBER	COMMON PIPE SIZE (MIN)
OF UNITS	MODELS 502-752	MODELS 992-2072
1	2"	2-1/2"
2	3"	4"
3	3-1/2"	4"
4	4"	5"
5	5"	6"
6	5"	6"

FROM

POOL

4" PVC

FLOWMETER

AUTOMATIC

BYPASS VALVE

RECOMMENDED

ISOLATION

VALVE

COPPER

OR PVC (SEE TABLE)

NOTICE

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.

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