Dometic KRA 433X Manual

Dometic Køleskab KRA 433X

Læs gratis den danske manual til Dometic KRA 433X (20 sider) i kategorien Køleskab. Denne vejledning er vurderet som hjælpsom af 22 personer og har en gennemsnitlig bedømmelse på 4.3 stjerner ud af 11.5 anmeldelser. Har du et spørgsmål om Dometic KRA 433X, eller vil du spørge andre brugere om produktet?

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electronic, mechanical, photocopying, recording or otherwise without prior written consent by Dometic Corporation. Every precaution

has been taken in the preparation of this manual to ensure its accuracy. However, Dometic assumes no responsibility for errors and

omission. Neither is any liability assumed for damages resulting from the use of this product and information contained herein.

KRA Refrigeration Systems

(with R-404A refrigerant)

Installation, Operation & Maintenance Manual

KRA 433X

Air-and-Water-Cooled

KRA 450X

Air-and-Water-Cooled

Dometic Marine

Rev. 20180906

L-3571 English

P/N: 340161

KRA 433X

Water-Cooled-Only

L-3571 ENGLISH

Table of Contents

SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 3

READ THIS MANUAL BEFORE PROCEEDING . . . . . . . . . . . 3

R ECOGNIZE S SAFETY YMBOLS, WORDS AND LABELS . . . . 3

SAFETY GUIDELINES . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

SAFE HANDLING OF EFRIGERANTS R . . . . . . . . . . . . . . . . . 3

DRAWINGS AND D . . . . . . . . . . . . . . . . . . . . . . . 4IAGRAMS

REFRIGERATION BASICS . . . . . . . . . . . . . . . . . . . . . . . . . 4

SYSTEM COMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . . 4

CONDENSING UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

EVAPORATOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

SUCTION LINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

LIQUID LINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

REFRIGERANT METERING DEVICE . . . . . . . . . . . . . . . . . . 5

THERMOSTAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

SEAWATER SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

REFRIGERATOR/FREEZER BOXES . . . . . . . . . . . . . . . . . . 6

SYSTEM INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . 6

UNPACKING AND INSPECTION . . . . . . . . . . . . . . . . . . . . . 6

IMPORTANT SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . 6

Electrical Shock Hazard . . . . . . . . . . . . . . . . . . . . . 6

TOOLS REQUIRED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

INSTALLING THE REFRIGERATION SYSTEM . . . . . . . . . . . . 7

Condensing Unit . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Evaporator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

TXV Placement . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Quick-Connect Fittings . . . . . . . . . . . . . . . . . . . . . 8

Sight Glass/Moisture Indicator . . . . . . . . . . . . . . . . 9

Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Refrigerant Charge . . . . . . . . . . . . . . . . . . . . . . . . 9

REFRIGERATION SYSTEM OPERATION . . . . . . . . . . . . . 9

KRA REFRIGERATION START-UP CHECK LIST . . . . . . . . . 9

Before You Start The System . . . . . . . . . . . . . . . . 9

Starting The System . . . . . . . . . . . . . . . . . . . . . . 10

System With 2 or 3 Evaporators

and 1 Condensing Unit . . . . . . . . . . . . . . . . . . . . 10

THERMOSTAT OPERATION . . . . . . . . . . . . . . . . . . . . . . . 10

Operating the Dometic Control . . . . . . . . . . . . . . 10

Parameter Programming . . . . . . . . . . . . . . . . . . . 11

Modbus Addresses for Dometic STIIC Interface . 12

SERVICING YOUR REFRIGERATION SYSTEM . . . . . . . 12

REFRIGERANT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

QUICK-CONNECT FITTINGS . . . . . . . . . . . . . . . . . . . . . . 12

RECHARGING THE SYSTEM . . . . . . . . . . . . . . . . . . . . . . 12

System Shutdown . . . . . . . . . . . . . . . . . . . . . . . . 12

Evacuate Refrigerant . . . . . . . . . . . . . . . . . . . . . 12

Charging the System . . . . . . . . . . . . . . . . . . . . . 12

ADJUSTING THE TXV . . . . . . . . . . . . . . . . . . . . . . . . . . 13

TXV METERING DEVICE . . . . . . . . . . . . . . . . . . . . . . . . 13

SIGHT GLASS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

USER MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

SEAWATER SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

DEFROSTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

W INTERIZING THE SYSTEM . . . . . . . . . . . . . . . . . . . . . . 13

TROUBLESHOOTING GUIDE . . . . . . . . . . . . . . . . . . . . . 14

FIGURES & WIRING DIAGRAMS . . . . . . . . . . . . . . . . . . 16

KRA CABINET-TYPE CONDENSING UNITS . . . . . . . . . . . 16

VARIOUS FLAT-PLATE EVAPORATORS . . . . . . . . . . . . . . 16

WRAPPED-BOX EVAPORATOR . . . . . . . . . . . . . . . . . . . . 16

FLAT-PLATE E DVAPORATOR ESIGNS . . . . . . . . . . . . . . . 16

DIGITAL THERMOSTAT (DOMETIC CONTROL) . . . . . . . . . 16

SINGLE-PLATE SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . 17

D UAL-PLATE SYSTEM WITH JUMPER . . . . . . . . . . . . . . . 18

INSTALLATION DIAGRAM - 2 FISH BOXES WITH KRA 433X .

INSTALLATION DIAGRAM - 3 FISH BOXES WITH KRA 450X .

REFRIGERANT PRESSURE-TEMPERATURE CHART . . . . . 21

W IRING DIAGRAM FOR KRA 433X UNIT WITH 1 BOX . . . 22

WIRING DIAGRAM FOR KRA 433X UNIT WITH 2 BOXES . 23

WIRING DIAGRAM FOR KRA 450X UNIT WITH 1 BOX . . . 24

WIRING DIAGRAM FOR KRA 450X UNIT WITH 3 BOXES . 25

Produkt Specifikationer

Mærke:	Dometic
Kategori:	Køleskab
Model:	KRA 433X

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