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Service Manual
R290 EquipmentDirect Draw
Models
DD 24 (- S)
DD 59 (- S)
DD 69 (- S)
DD 80 (- S)
DD 95 (- S)
hoshizakiamerica.com
Issued: 06- -2 11 018
Revised:
2
Hoshizaki provides this manual primarily to assist qualified service technicians in the
service and maintenance of the appliance .
Should the reader have any questions or concerns which have not been satisfactorily
addressed, please call, send an e ssage, or write to the Hoshizaki Technical -mail me
Support Department for assistance.
Phone: 1 1940; (770) 487-800 233- - -2331
Fax: 1 1056; (770) 487-800 843- - -3360
E-mail: techsupport@hoshizaki.com
HOSHIZAKI AMERICA, INC.
618 Highway 74 South
Peachtree City, GA 30269
Attn: Hoshizaki Technical Support Department
Web Site: www.hoshizaki.com
NOTE: To expedite assistance, all correspondence ommunication MUST include /c
the following information:
Model Number _____________________________
Serial Number _____________________________
. Complete and detailed explanation of the problem
WARNING
Only qualified service technicians should install and service the appliance. To
obtain the name and phone number of your local Hoshizaki Certified Service
Representative, visit www.hoshizaki.com. No installation or service should be
undertaken until the technician has thoroughly read this Instruction Manual.
Likewise, the owner/manager should not proceed to operate the appliance until
the installer has instructed them on its proper operation. Failures to install,
operate, and maintain the appliance in accordance with this manual may
adversely affect performance, component life, and warranty coverage. safety,
Proper installation is the responsibility of the installer. Product failure or property
damage due to improper installation is not covered under warranty.
3
This manual should be read carefully before the appliance is serviced. Read the
warnings and guidelines contained in this manual carefully as they provide
essential information for the continued safe use, service, and maintenance of the
appliance. Retain this manual for any further reference that may be necessary.
IMPORTANT
CONTENTS
I .mportant Safety Information ........................................................................................... 4
I. General Information....................................................................................................... 7
A. Construction...................................................................................................... 7
B. Refrigeration Flow Chart.................................................................................... 8
II. Sequence of Operation and Service Diagnosis............................................................ 9
A. Sequence of Operation Flow Charts................................................................. 9
B. Service Diagnosis.............................................................................................. 10
C. Controller Check................................................................................................ 13
D. Thermistor Check ............................................................................................. 14
E. Diagnostic Tables ............................................................................................. 15
III. Controller and Adjustments ........................................................................................ 17
A. withController Integrated Display.................................................................. .... 17
1. Controller with Integrated Display........................................................... 17
a) Display Icons .......................................................................... ..... 17
b) Controller location and Layout..................................................... 18
c) Controller Connections.......................................... .............. ....... . 19
B. Temperature..................................................................................................... 20
1. Default Settings...................................................................................... 20
2. Temperature Setpoint............................................................................. 20
3. Changing the Temperature Display Scale (°F or °C)............................. 21
C. Defrost.............................................................................................................. 21
D. Alarm Safeties.................................................................................................. 22
E. Safety Devices.................................................................................................. 22
IV. Replacement of Components ..................................................................................... 23
A. Service for Refrigerant Lines ............................................................................ 23
B. Important Notes for Component Replacement ................................................. 26
V. Maintenance ................................................................................................................ 26
1. Condenser............................................................................................... 26
2. Power Supply Connection....................................................................... 26
VI. Preparing the Appliance for Periods of Non-Use........................................................ 27
VII. Disposal...................................................................................................................... 27
VIII. Technical Information................................................................................................ 28
A. Electrical and Refrigerant Data ......................................................................... 28
B. Wiring Diagrams................................................................................................ 29

Produktspecifikationer

Varumärke: Hoshizaki
Kategori: Tryck på system
Modell: DD24-S

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