Manitowoc Ice Ice Maker 7628973 User Manual

Q MODEL ICE MACHINES

STACKING RELAY KIT 7628973

Installation Instructions

This relay kit is used to stop the operation of both stacked ice machines, when the bottom ice machine is turned off or in an

auto-shutdown mode (full bin of ice). It can only be utilized with 230 volt, 50/60 Hz., 1 phase ice machines.

Top Ice Machine

Drill 1/2 inch

STEP 1. Disconnect power.

holes and insert

bushings

STEP 2. Drill 1/2 inch (.50) hole in the back corner

posts of both ice machines in area indicated.

Install two plastic black bushings into drilled

holes.

Wire Harness

STEP 3. Route wire harness through bushings from top

electrical box to bottom electrical box.

Bottom Ice Machine

STEP 4. Using double-face tape, mount relay in bottom

ice machine electrical box.

Relay

Bottom Ice Machine

STEP 5. Wire the stacking kit relay according to wire diagram on reverse side.

A. Relay coil connects to the terminal board in the bottom ice machine.

B. Relay Contact is wired in series with the bin switch in the top ice machine.

1) Disconnect the wire of the bin switch, connected to ground, in the top ice machine.

2) Using new connector supplied, connect the wire disconnected from the ground to the new wire harness

connected to the relay contacts.

3) Connect the other lead of wire harness to cabinet ground in the top ice machine (same ground that the bin switch

wire used to be connected to).

Manitowoc Ice, Inc.

2110 South 26 Street, P.O. Box 1720, Manitowoc, WI 54221-1720 USA

8011463

Sheet 1 of 2

Telephone 920-682-0161, Fax - Sales: 920-683-7589, Service/Parts: 920-683-7585, Other: 920-683-7879

Rev. 11/27/06