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Drain Line Connections
To allow easy access to overload reset button, the disposer
plumbing should be connected with the electrical control
box facing the operator.
When connecting the drain line, place the "P-trap" as close
to the disposer outlet flange as possible. Do not connect the
drain line to a grease trap, interceptor, or drum trap.
All horizontal runs should be as short as possible, with a
minimum fall of 1/4-inch per foot.
Property Damage
These plumbing instructions were written for an experi-
enced competent installer. If the installer is not experi-
enced in plumbing installation, In-Sink-Erator recommends
that competent professional assistance is sought. Damage
to the disposer or accessories as a result of improper
installation is not covered under warranty. All installations
must comply with local plumbing codes.
Water Supply Connections
When connecting the disposer to the incoming water supply,
use as few elbows and tees as possible. Connect to the cold
water line only. All water line fittings are 1/2" NPT except the
sink bowl nozzles (1/2" compression).
Install the flow control valve, water solenoid valve, and the
syphon breaker according to the direction of the flow arrows
marked on each valve body (see Figure 9).
NOTE:
A syphon breaker must be installed above the sink
flood plane per local plumbing codes.
SINK
Plumbing
SYPHON
BREAKER
FLOW
CONTROL
SOLENOID VALVE
1/2" NPT
WATER INLET
CONNECTION
(OPTIONAL)
DISPOSER
Property Damage
• The single phase Mini Waste Xpress is wired for 208-230v.
To operate at 115v the auger motor must be re-wired as
shown in Figure 11-5.
• The three phase Mini Waste Xpress is wired for 460v or
208-230v. The wiring information for each is shown in
Figure 11-6.
Disposer
SS-50
SS-75
SS-100
SS-125
SS-150
SS-200
SS-300
SS-500
SS-750
SS-1000
Table 2: Recommended Cold Water Flow and
Drain Line Diameter
Routing Water Flow
.• In a trough system, route all water flow to the end of the
trough to flush food waste.
• In a sink bowl system with an SS50 to SS-125 (3-5 GPM),
route all water through the sink bowl (see Table 2).
• In a sink bowl system with an SS-150 to SS-1000
(7 - 10 GPM), route water through the sink bowl and the
disposer body inlet.
SHUT-OFF
VALVE
(NOT SUPPLIED)
COLD WATER SUPPLY
START/STOP
SWITCH
ELECTRICAL SUPPLY
6
Water Flow
Drain Line
GPM (Liters)
Diameter
3
(11)
1 1/2"
3
(11)
1 1/2"
5
(19)
1 1/2"
5
(19)
2" NPT
7
(26)
2" NPT
7
(26)
2" NPT
8
(30)
3" NPT
8
(30)
3" NPT
10
(38)
3" NPT
10
(38)
3" NPT
Figure 9
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