Hoshizaki F-450MAH user manual

User manual for the device Hoshizaki F-450MAH

Device: Hoshizaki F-450MAH
Category: Refrigerator
Manufacturer: Hoshizaki
Size: 1.06 MB
Added : 12/21/2013
Number of pages: 51
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Summaries

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Abstracts of contents
Summary of the content on the page No. 1

Hoshizaki America, Inc.
Hoshizaki
Modular Flaker
Models
F-450MAH(-C)
SERVICE MANUAL
“A Superior Degree
of Reliability”
www.hoshizaki.com
®
Number: 73112
Issued: 8-21-2009

Summary of the content on the page No. 2

IMPORTANT Only qualified service technicians should install, service, and maintain the icemaker. No service or maintenance should be undertaken until the technician has thoroughly read this Service Manual. Failure to service and maintain the equipment in accordance with this manual may adversely affect safety, performance, component life, and warranty coverage. Hoshizaki provides this manual primarily to assist qualified service technicians in the service and maintenance of the icemaker. Should

Summary of the content on the page No. 3

Please review this manual. It should be read carefully before the icemaker is serviced or maintenance operations are performed. Only qualified service technicians should service and maintain the icemaker. This manual should be made available to the technician prior to service or maintenance. CONTENTS I. Specifications .................................................................................................................... 4 1. F-450MAH .................................................

Summary of the content on the page No. 4

I. Specifications 1. F-450MAH AC SUPPLY VOLTAGE 115/60/1 COMPRESSOR 120 V 8.5 RLA 51 LRA GEAR MOTOR 120 V 1.6 FLA 1/6 HP FAN MOTOR 115 V 0.85FLA 50W OTHER 120 V 0.03A MAXIMUM FUSE SIZE 20 A MAX. HACR BREAKER (USA ONLY) 20 A MAX. CIRC. BREAKER (CANADA ONLY) 20 A MINIMUM CIRCUIT AMPACITY 20 A APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F) PER 24 HR. Temp.(°F) 50 70 90 lbs./day ( kg/day ) 70 *476 (216) 456 (207) 435 (197) Reference without *marks 80 416 (189) 397 (180) 379 (172) 90 36

Summary of the content on the page No. 5

2. F-450MAH-C AC SUPPLY VOLTAGE 115/60/1 COMPRESSOR 120 V 8.5 RLA 51 LRA GEAR MOTOR 120 V 1.6 FLA 1/6 HP FAN MOTOR 115 V 0.85FLA 50W OTHER 120 V 0.03A MAXIMUM FUSE SIZE 20 A MAX. HACR BREAKER (USA ONLY) 20 A MAX. CIRC. BREAKER (CANADA ONLY) 20 A MINIMUM CIRCUIT AMPACITY 20 A APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F) PER 24 HR. Temp.(°F) 50 70 90 lbs./day ( kg/day ) 70 *426 (193) 407 (185) 387 (176) Reference without *marks 80 368 (167) 350 (159) 333 (151) 90 317 (144) *310 (14

Summary of the content on the page No. 6

II. General Information 1. Construction Water Supply Control Water Valve Inlet Bin Control Junction Box Ice Chute Condenser Evaporator Fan Motor Flush Water Valve Compressor Control Box Drier Gear Motor 6

Summary of the content on the page No. 7

2. Control Box Layout Note: The above component names are identical with the wiring label, but not with the parts list. 7

Summary of the content on the page No. 8

3. Timer Board [a] Solid-State Control 1) A HOSHIZAKI exclusive solid-state control is employed in the self-contained flaker icemakers. 2) A printed circuit board (hereafter called “timer board”) includes a stable and high quality control system. 3) All models are pre-tested and factory-adjusted. [b] Timer Board CAUTION 1. Fragile, handle very carefully. 2. A timer board contains CMOS (Complementary Metal-Oxide Semicon- ductor) integrated circuits, which are susceptible to failure due to static

Summary of the content on the page No. 9

Fig. 1 [c] Sequence Fig. 2 9

Summary of the content on the page No. 10

P1 ART CODE 437305-0 M1 ODEL H2AA144C0 Rz ATING 24 VAC 50/60H T. 1 60±15 sec T. 2 90±22 sec T. 3 150±45 sec Ts 4 1 sec. or les T% 5 6.7 sec. ± 70 T% 6 6.7 sec. ± 70 Fig. 3 10

Summary of the content on the page No. 11

Functions of Terminals 1) Terminals 1, 2 Power supply AC 24V. 2) Terminals 3, 4 1 (GM) and X2 (CM) Relays. Control X When closed, energize X1 (GM) in 1 sec. and X2 (CM) in 60 sec. When opened, de-energize X1 (GM) in 150 sec. and X2 (CM) in 90 sec. 3) Terminals 5, 6 Control X1 (GM) and X2 (CM) Relays. When opened, de-energize X1 (GM) and X2 (CM) immediately. When closed again, energize X1 (GM) in 1 sec. and X2 (CM) in 60 sec. 4) Terminals 7, 8, 9 X1 (GM) contacts. 8 is a movable contact, 7 is a m

Summary of the content on the page No. 12

III. Technical Information 1. Water Circuit and Refrigeration Circuit 12

Summary of the content on the page No. 13

2. Wiring Diagram [a] F-450MAH 13

Summary of the content on the page No. 14

[b] F-450MAH-C 14

Summary of the content on the page No. 15

3. Sequence of Electrical Circuit [a] When power switch is moved to “ON” position and flush switch to “ICE” position, water starts to be supplied to reservoir. 15

Summary of the content on the page No. 16

[b] When reservoir has been filled, gear motor starts immediately. 16

Summary of the content on the page No. 17

[c] Compressor starts about 60 sec. after gear motor starts. 17

Summary of the content on the page No. 18

[d] Bin control operates, and about 6 sec. later, compressor and gear motor stop simultaneously. 18

Summary of the content on the page No. 19

[e] Low water (except water-cooled model). 19

Summary of the content on the page No. 20

[f] When flush switch is moved to “FLUSH” position, flush water valve opens and flushes reservoir and evaporator. 20


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