Insinkerator Ms Users Manual MS_ICU_

MS to the manual a024339d-af2e-483d-ae66-20270b2ffeda

2015-02-02

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DISPOSER CONTROL CENTER
Installation Manual

Model MS

The Danger signal indicates an immediately hazardous situation which, if not
avoided, will result in death or serious injury.
The Warning signal alerts you to potential hazards or unsafe practices which,
if not avoided, could result in severe personal injury or death.
The Caution signal alerts you to hazards of unsafe practices which, if not avoided,
may result in minor personal injury or property damage.
Please be certain that the person who installs or uses this appliance carefully reads
and understands the Safety Instructions contained in this manual.
www.insinkerator.com/foodservice

Part No. 14703 - Rev A

Table of Contents

Introduction/Features

Introduction.......................................................................................3

Features........................................................................................... 3

Mounting the Control Center .......................................................... 3
Plumbing Connections ................................................................................. 4
Electrical Connections

Electrical Connections..................................................................... 5

Time Delay Relay.............................................................................. 5
Operating Instructions/Troubleshooting

Operating Instructions .................................................................... 6

Troubleshooting .............................................................................. 6
Wiring Diagrams

Model No. MS-4 (120V, 1 phase, 1/2-2 HP)..................................... 7

Model No. MS-5 (208-230V, 1 phase, 1/2-2 HP)............................. 8

Model No. MS-5 (208-230V, 3 phase, 1/2-5 HP)............................. 9

Model No. MS-6 (380/460V, 3 phase, 1/2-10 HP).......................... 10

Warranty
FOODSERVICE DISPOSER CONTROL CENTER LIMITED WARRANTY
InSinkErator Foodservice Disposer Control Centers are warranted against defects in material and workmanship for
one year from the date of installation. The warranty includes parts and labor, provided the service is performed by an
InSinkErator Factory Authorized Service Center. This warranty does not apply if failure is due to: faulty or improper
electrical installation, faulty or improper plumbing installation, product abuse or misuse, or accidental damage.
InSinkErator Foodservice disposer accessories are included in this warranty only if they are included in the original
disposer purchase package.

Features/Mounting the Control Center
INTRODUCTION

MOUNTING THE CONTROL CENTER

• To start and stop the disposer.

Locate control center within sight of disposer per local
codes. Locate any remote control station within sight of
disposer per local codes.

The MS Control Center is UL® and CUL® approved for
use with InSinkErator Foodservice Disposers. See
Table 1 for approved disposer and control center
combinations. The control center operates the disposer.
Its main functions are:

Use the flanges at the back of the control center
enclosure and only mount panel in the upright vertical
position. See Figure 1.

• To start the water flow to the disposer.

If box is mounted to the sink table, recess the box so
that the buttons do not extend beyond the table's edge.

Model

Waste Disposer Model

MS-4
MS-5

SS50-26, SS75-27, SS100-28, SS125-25,
SS150-34, SS150-38, SS200-27, SS200-31

MS-5

SS50-27, SS75-28, SS100-29,
SS125-26, SS150-36, SS150-39,
SS200-29, SS200-32, SS300-25, SS300-27,
SS500-28, SS500-29, SS500-30

MS-6

SS50-27, SS75-28, SS100-29,
SS125-26, SS150-36, SS150-39,
SS200-29, SS200-32, SS300-25,
SS300-27, SS500-28, SS500-30, SS750-13,
SS750-15, SS1000-10, SS1000-11, SS1000-12

Table 1. Approved Disposer and Control Center Combinations

Model

Part No.

Voltage

Phase

MS-4

14356

120V

1/2-2

MS-5

14356A

208-230V

1/2-2

MS-5

14356A

208-230V

1/2-5

MS-6

14356B

380/460V

1/2-10

Figure 1. Control Center Dimensions

PROPERTY DAMAGE
Use of more than two solenoid valves will affect
the overall function of the MS control center. Extra
solenoid valves will cause a reduction in voltage and
solenoid actuation will not occur.

Table 2. Electrical Specifications

FEATURES
ENCLOSURE
NEMA 4 construction.

PUSH BUTTON OPERATION

Push Green button to start disposer. Push Red button to
stop disposer.

Plumbing Connections

Figure 2. Typical Installation Diagram

PLUMBING CONNECTIONS
The flow control valve, syphon breaker and solenoid
valve are supplied with all complete disposer packages
(packed separately).
Make certain that the solenoid valve supplied is
the proper voltage. Make certain that the valves
are plumbed according to water flow direction
arrows marked on valves or the valves will not
function properly.
The flow control valve regulates all water flowing into
the disposer. This conserves water and prevents
overloading. Check direction of water flow arrows.
Syphon breaker must be installed above the sink flood
place per local plumbing codes. Check direction of
water flow arrows.

Electrical Connections

ELECTRIC SHOCK
• Turn off the electrical supply to the disposer before
attempting any work on it. Use a voltmeter or
circuit tester to ensure that power is off.

PROPERTY DAMAGE
• Ensure that control center voltage and phase
match the disposer motor and electrical supply.
Check name plates on disposer and control
centers for voltage and phase specifications.

• All installation work must conform to local
plumbing and electrical codes.

• Refer to the control center wiring diagrams in this
manual for correct connection.

• All control centers and disposers must be carefully
and permanently grounded.

• Use NEMA 4 watertight electrical connectors
(not supplied) when making electrical connections
to the control center.

• A properly fused disconnect must be installed at
the electrical supply source for the control center.

ELECTRICAL CONNECTIONS

Connect the incoming line power and disposer motor
to the labeled terminal block in the control center. Use
appropriate voltage and phase electrical connection
diagrams at the back of this manual. Wire the disposer
motor for the correct voltage using the connection
diagram inside the motor terminal box.

Make sure the solenoid valve is the same voltage as the
control panel and supply power.

Connect water solenoid valve as shown in the wiring
diagrams on pages 7, 8, 9, and 10.

Wire per local electrical code using 7/8" diameter holes
in bottom of control center cabinet and install NEMA 4
watertight electrical connectors (not supplied).

Time Adjustment Knob

Figure 3. 120V or 208/230V Time Delay Relay

After completing the connections, secure cover.
Replace disposer motor cover.

TIME DELAY RELAY

(Optional, not supplied with MS)
The time delay relay may be used with the MS to
delay solenoid valve shut-off, providing a post flush.
This helps prevents drain line stoppages and is
beneficial when ground food waste must travel through
many bends or a long horizontal run. It is adjustable
from 0 to 10 minutes and factory set to provide
approximately a 5 minute delay. To adjust, SHUT OFF
ELECTRIC POWER. Inside unit, locate the adjustment
potentiometer. Turn clockwise to increase delay. Turn
counterclockwise to decrease delay. See Figures 4 and
5 for wiring.

Figure 4. Time Delay Relay Connections - 120V or 208/230 V

Ensure the voltage rating on the time delay relay and
solenoid valve are the same as the disposer motor
and line voltage.

Figure 5. Time Delay Relay Connection - 460V, 3-phase only

Operating Instructions/Troubleshooting

PERSONAL INJURY
• Allow only trained personnel to operate disposer.

ELECTRICAL SHOCK/PROPERTY DAMAGE
• Troubleshooting other than what is recommended
in this section should only be performed by
qualified service personnel.

• Use baffles and guarding to avoid splashing and
ejection of materials.

• Further troubleshooting performed by untrained
personnel could result in electric shock or damage
to the control center.

• Do not put fingers or hands into the disposer.
• When attempting to remove objects from a
disposer, use long-handled tongs or pliers.

• All electrical checks must be performed by a
qualified professional.

• Turn power off before clearing a jam, removing
an object from the disposer or pressing the red
reset button.

TROUBLESHOOTING

This control center was inspected and tested under
operating conditions before shipment from the factory.
In case of trouble, check the items listed below.

OPERATING INSTRUCTIONS
TO START

1. Check to ensure disposer is free of foreign objects.

A. Disposer motor will not start and water
does not flow.
1. No incoming line power, turn line power on.

2. Ensure power is on.
3. Push start button. Disposer motor will run and water
will flow into the disposer.

B. Disposer motor stops while grinding but water
continues to flow.

TO STOP

1. Push stop button. Disposer motor and water will stop.

1. Disposer is jammed. Press the stop button and
follow directions for unjamming that were
supplied with the disposer.
2. Disposer motor overload protector has tripped.
Follow instruction in C1.
C. Disposer will not start but water flows.
1. Overload protector on the disposer may have
tripped. Press stop button. Locate red reset
button on front of disposer electrical cover. Press
to reset. If motor had been running, wait five
minutes for the motor and overload to cool down
before starting.
2. Disposer is jammed. Press the stop button and
follow directions for unjamming that were
supplied with the disposer.
D. Water flows constantly before start button
is pushed.
1. Water solenoid valve is installed backward.
Water flow should be in the direction of the
arrow on valve.
2. Water solenoid valve is wired incorrectly.
Recheck wiring diagram.
E. Overload trips frequently.
1. Do not overload disposer with excess amounts of
garbage and water. (See disposer instructions for
recommended water flows.)
If trouble still persists, call your nearest InSinkErator
Authorized Service Agency. For the location of your
nearest service agency, call toll-free 1-800-845-8345.

MS-4 Wiring Diagram
P/N 14356

ELECTRICAL SHOCK
• Turn off the electrical supply to the disposer before
attempting any work on it. Use a voltmeter or
circuit tester to ensure that power is off.

PROPERTY DAMAGE
• Ensure that the control center voltage and phase
match the disposer motor and electrical supply.
Check nameplates on disposers and control
centers for voltage and phase specification.

• Installation must conform to local electrical codes.

• The disposer motor wiring connection is shown in
the disposer terminal box.

• All control centers and disposers must be carefully
and permanently grounded.

4T2
2T1

3L2
1L1

TO
PANEL
GROUND

INCOMING
POWER
SUPPLY

Call Toll Free 1-800-845-8345
for the nearest InSinkErator
Authorized Service Agency or
to reach Technical Support.

DISPOSER
MOTOR

-4

L3
2

-3

-2

WATER SOLENOID VALVE

-1

6T3

13NO
5L3

120 V
1-phase
1/2 to 2 HP

14NO

• A properly fused disconnect must be installed at
the electrical supply source for the control center.

MS-5 Wiring Diagram
P/N 14356A

ELECTRICAL SHOCK
• Turn off the electrical supply to the disposer before
attempting any work on it. Use a voltmeter or
circuit tester to ensure that power is off.

• Installation must conform to local electrical codes.

• The disposer motor wiring connection is shown in
the disposer terminal box.

• All control centers and disposers must be carefully
and permanently grounded.

4T2
2T1

3L2
1L1

-4
-3

L3
1

-2

WATER SOLENOID VALVE

-1

6T3

13NO
5L3

208 - 230 V
1-phase
1/2 to 2 HP

14NO

• A properly fused disconnect must be installed at
the electrical supply source for the control center.

TO
PANEL
GROUND

INCOMING
POWER
SUPPLY

Call Toll Free 1-800-845-8345
for the nearest InSinkErator
Authorized Service Agency or
to reach Technical Support.

DISPOSER
MOTOR

MS-5 Wiring Diagram
P/N 14356A

ELECTRICAL SHOCK
• Turn off the electrical supply to the disposer before
attempting any work on it. Use a voltmeter or
circuit tester to ensure that power is off.

• Installation must conform to local electrical codes.

• The disposer motor wiring connection is shown in
the disposer terminal box.

• All control centers and disposers must be carefully
and permanently grounded.

11
A2

4T2
2T1

3L2
A1

1L1

-4

-2

WATER SOLENOID VALVE

6T3

13NO
5L3

208 - 230 V
3-phase
1/2 to 5 HP

14NO

• A properly fused disconnect must be installed at
the electrical supply source for the control center.

-3

-1

TO
PANEL
GROUND

INCOMING
POWER
SUPPLY

Call Toll Free 1-800-845-8345
for the nearest InSinkErator
Authorized Service Agency or
to reach Technical Support.

DISPOSER
MOTOR

MS-6 Wiring Diagram
P/N 14356B

ELECTRICAL SHOCK
• Turn off the electrical supply to the disposer before
attempting any work on it. Use a voltmeter or
circuit tester to ensure that power is off.

• Installation must conform to local electrical codes.

• The disposer motor wiring connection is shown in
the disposer terminal box.

• All control centers and disposers must be carefully
and permanently grounded.

11
A2

4T2

-4

-2

2T1

3L2
A1

1L1

WATER SOLENOID VALVE

6T3

13NO
5L3

380/460 V
3-phase
1/2 to 10 HP

14NO

• A properly fused disconnect must be installed at
the electrical supply source for the control center.

-3

-1

Call Toll Free 1-800-845-8345
for the nearest InSinkErator
Authorized Service Agency or
to reach Technical Support.

TO
PANEL
GROUND

INCOMING
POWER
SUPPLY

DISPOSER
MOTOR

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