Lochinvar COPPER-FIN II CF401 Designer's Manual page 28

PIPING DIAGRAM
BUILDING
HOT WATER
SUPPLY
LOCK-TEMP
STORAGE
TANKS
DRAIN
Gray shaded area represents common manifold piping.
COMMON WATER MANIFOLD SIZE FOR MULTIPLE WATER HEATER INSTALLATION
Pipe sizing chart provides minimum pipe size for common manifold piping to insure adequate flow.
NUMBER OF
UNITS
CF 401 thru 751
1
2
3
4
5
6
This illustration is for concept only and should not be used for any actual installation without engineering
or technical advice from a licensed engineer. All necessary equipment may not be illustrated.
FULL PORT SYSTEM SYSTEM
BALL VALVE PUMP RELIEF VALVE
A5
L o c h i n v a r
RELIEF
VALVE
COMMON MANIFOLD SIZE
(Min.)
2"
3"
1 "
3 /
2
4"
5"
5"
L E G E N D
TEE ELBOW
'
D E S I G N E R S G U I D E C O P P E R
TWO HEATERS-TWO TANKS
COLD WATER
SUPPLY
LOCHINVAR
WATER HEATER
OUTLET
INLET
OUTLET
NUMBER OF
UNITS
CF 991 thru 2071
1
2
3
4
5
6
UNION EXPANSION CHECK
TANK VALVE
-
F I N I I W A T E R H E A T E R
INLET
BUILDING
RETURN
COMMON MANIFOLD SIZE
(Min.)
2 1 / "
2
4"
4"
5"
6"
6"
LIT0451
THERMOMETER REDUCING REDUCING
TEE TEE
6 1 5 - 8 8 9 - 8 9 0 0