5
2.3 Duct Connections (Arrangement A)
Inlet and discharge ducts must be supported from floor, wall, or ceiling, and not by the RotoClone. The joint between the RotoClone inlet and
exhaust main must be water-tight. Inlet duct should slope downward with bottom of duct no lower than bottom of RotoClone inlet. There should
be at least four (4) duct diameters of straight run leading to the inlet of the RotoClone or performance may be impaired. Discharge duct should
extend above roof line and should discharge the air vertically upward. It should be of same diameter as the RotoClone inlet and seams must
be soldered or welded water-tight. A gasket (not furnished) should be placed between the outlet connection and the discharge duct to make
joint water-tight. A weather hood is not required. Expansion chamber should be vented per Figure 3, where recirculation of discharge air
is not permitted.
RotoClone Size 8 10 12 14 16 20 24 27 30 33 36 45
Vent Dia. "A" 3.5" 4" 5" 6" 7" 8" 10" 11" 12" 14" 15" 18"
Figure 3 — Expansion Chamber Venting Diagram
(Arrangement D)
Instructions same as Arrangement A except on Arrangement D, the
joint between Precleaner inlet and exhaust main must be water-tight.
2.4 Water Connections (Arrangement A)
RotoClone piping may be shipped loose to prevent damage during
shipping. Connect the two lines from the “cross” to the two
connections on the RotoClone inlet. The third outlet from the cross
connects to the pressure gauge supplied and the front leg should be
connected to the water supply line. Supply line should be 3/4” size for
RotoClones through size 14; 1” size for size 16 RotoClones and larger
and designed for supply line water pressures. Connect the water
supply line to strainer located near RotoClone inlet, using pipe at
least as large as the strainer connection. The Solenoid Valve, should
be installed between the strainer and cross, and should be wired
in parallel with the RotoClone motor per the wiring diagram supplied
with the unit. Solenoid valves should always be installed with the coil
in the top, vertical position. Finished piping should be per Figure 1.
It is recommended that a manual shut-off valve be installed in
the supply line, to be able to do maintenance on the solenoid valve.
The water connection must be capable of supplying the volume listed
in Section 6, Table 1 to the spray nozzles at 40 to 60 psi pressure.
(Arrangement D)
Instructions same as Arrangement A, strainer located near Precleaner
inlet. Refer to Figure 2 for Pressure Gage Installation.
A by-pass connection with manual valve per Figure 4 (both
Arrangement A and D) may be included to safeguard operation
of RotoClone in case of solenoid valve failure or for strainer
maintenance.
2.5 Average Water Requirements
See Section 6.0, Table 1 for average water required.
2.6 Wiring & Controls
Refer to the wiring diagram supplied with the unit for
recommended connections.
Where conditions indicate vent can be
run directly to atmosphere
Provide clamping band to permit
inspection of expansion chamber
Expansion
Chamber
A
45˚ Maximum
30˚ Preferred
1
/
2 A
Piping by
customer
1
/
2 A
A
Enlarged detail
vent connection to
expansion chamber
(8 pages)
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