Norlake MF122 Installation Manual

Installation and Operations Manual

for

ANGLED ICE CREAM MERCHANDISERS

143538 Rev. A 07/11

TABLE OF CONTENTS

INTRODUCTION 3
STORE CONDITIONS 3
WARNING LABELS AND SAFETY INSTRUCTIONS 4
PRE-INSTALLATION INSTRUCTIONS 5

Inspection for Shipping Damage 5

INSTALLATION INSTRUCTIONS 5

General Instructions 5
Mechanical 5
Location 5

SERVICE INSTRUCTIONS 6

Electrical 6
Special Service Situations 6
Operating Conditions and Pressures 6
Temperature Sensor, Defrost Heater, and Fan Motor Replacement 6
Dixell Electronic Refrigeration Control 7
Operations 7
Defrost & Manual Defrost 7
Temperature Setpoint 7

List of Parameters 8
Alarm Signals 8
Electrical Connections 9
Probe Connections 9
SENSOR PROBE TEMP. AND RESISTANCE 9
FAN OPERATION & VIBRATION, VOLTAGE CHECK 9
FINAL CHECK LIST 9
PARTS LIST 10
SALE AND DISPOSAL 10
WIRING DIAGRAM

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INTRODUCTION

This manual contains important instructions for installing, using, and servicing your Novelty Display case. A parts list
is included with this manual. Read all these documents carefully before installing or servicing your equipment.

STORE CONDITIONS

The case are designed to operate in the controlled environment of an air-conditioned store. The store temperature
should be at or below 75°F and a relative humidity of 55% or less. At higher temperature or humidity conditions, the
performance of these cases may be affected and the capacity diminished.

The Novelty Display case should not be positioned where it is directly exposed to rays of sun or near a direct source
of radiant heat. This will adversely affect the case and will result in poor performance.

NOTICE

Read this manual before installing your cabinet. Keep the manual and refer to it before doing any service on
the equipment. Failure to do so could result in personal injury or damage to the cabinet.

DANGER

Improper or faulty hook-up of electrical components on the refrigeration units can result in severe injury or
death.

All electrical wiring hook-ups must be done in accordance with all applicable local, regional or national
standards.

NOTICE

Installation and service of the refrigeration and electrical components of the case must be performed by a
refrigeration mechanic and/or a licensed electrician.

The portions of this manual covering refrigeration and electrical components contain technical instructions intended
only for persons qualified to perform refrigeration and electrical work. This manual cannot cover every installation, use
or service situation. If you need additional information, call or write our Customer service department.

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WARNING LABELS AND SAFETY INSTRUCTIONS

This symbol is the safety-alert symbol. When you see this symbol on your cabinet or in this
manual, be alert to the potential for personal injury or damage to your equipment.

Be sure you understand all safety messages and always follow recommended precautions and safe operating
practices.

NOTICE TO EMPLOYERS

You must make sure that everyone who installs, uses or services your cabinet is thoroughly familiar with all
safety information and procedures.

Important safety information is presented in this section and throughout the manual. The following signal words are
used in the warnings and safety messages:

DANGER: Severe injury or death will

WARNING: Severe injury or death can

CAUTION: Minor injury or damage to your cabinet can occur if you ignore the message.

NOTICE: This is important installation, operation or service information. If you ignore the

message, you may damage your cabinet.

This label is located on top of the electrical control
This label is attached to the cabinet power cord on models with a power cord.
label and on the wiring channel.

occur if you ignore the message.

occur if you ignore the message.

CAUTION!

GROUND REQUIRED

FOR SAFE OPERATION

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