Skope SERENE SC430N Manuel utilisateur

Service Manual

MAN80304 Rev. 1.0 Mar. 2021

SC430N

SERENE Upright Glass Door Fridge

from SKOPE

SC430N

SERENE Single Door Vertical Fridge

Service Manual

MAN80304

Rev. 1.0 Mar. 2021

SKOPE Industries Limited reserve the right to alter specifications without notice.

is a registered trademark of SKOPE Industries Limited.

SKOPE INDUSTRIES LIMITED

Head Office

PO Box 1091, Christchurch

New Zealand

Freephone: 0800 947 5673

E-mail: skop[email protected]

Website: www.skope.com

Trademark Infringement

The SERENE trademark on this product is infringed if the owner, for the time

being, does any of the following:

• Applies the trade mark to the product after their state, condition, get-up or

packaging has been altered in any manner

• Alters, removes (including part removal) or obliterates (including part

obliteration) the trade mark on the product

• Applies any other trade mark to the product

• Adds to the product any written material that is likely to damage the

reputation of the trade mark

Notice of the above contractual obligations passes to:

• Successors or assignees of the buyer

• Future owners of the product

SERENE SC430N

Service Manual iii

CONTENTS

1Servicing Hydrocarbon

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

2Specifications

Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

3Product Functions & Main Features

Product features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Product promotion & selling points . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4Product Appearance

SC430N Overall Product View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

5Product Instruction & Product Improvement

Product Main Technical Parameters . . . . . . . . . . . . . . . . . . . . . . . . . .8

6Function Adjustment Method

Electrical Temperature Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

7Schematics & Wiring Diagram

Schematic SC430N Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

8Working Principle and Parameters

Thermostat & Compressor Model Data. . . . . . . . . . . . . . . . . . . . . . . 11

Thermostat Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Compressor Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

9Refrigeration Basic Parts

Sectional View. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

10 Production Installation & Disassembly Process

Component Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

11 Troubleshooting

Typical Failures and Solutions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

12 Servicing

Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Condenser Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Refrigeration System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Before Servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Gas Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Leak Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

On-Site Work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Hydrocarbon Workshop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

13 Spare Parts

Main Assembly - SC430N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Unit Assembly - SC430N. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Details of Exploded Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

4Servicing Hydrocarbon

Service Manual

SERENE SC430N

1Servicing Hydrocarbon

Overview

This cooler utilises hydrocarbon (HC) R290 as its refrigerant. R290 is a

natural refrigerant that has a very low environmental impact.

Special service requirements are needed as R290 is a flammable

refrigerant.

Safety hazards

The main R290 safety hazards are:

Flammable refrigerant.

Venting of R290 and compressor oil.

Asphyxiation.

SKOPE does NOT recommend performing hazardous activities on the

refrigeration system. See “Refrigeration System” on page 18 for more

information including examples of hazardous activities.

SERENE SC430N

Specifications

Service Manual

2Specifications

Model

This service manual is applicable to the Haier SC430N bottom mount chiller.

detailed in the table below. Refer to the relevant product specification sheet

(available on the SKOPE website: www.skope.com) for specifications.

Series Model SKOPE ID

SERENE SC430N SC430N

6Product Functions & Main Features

Service Manual

SERENE SC430N

3Product Functions & Main Features

Product features

1. The refrigeration module, electronic control module and appearance of

SC430N and products are fully upgraded vertical refrigerators. The

product design climate type meets the ST climate type requirements.

2. The air duct combination design of fin evaporator + centrifugal fan is

adopted for the refrigeration part of the product, the cooling speed is

faster and more uniform, and the efficiency is higher and energy saving.

3. There is internal cabinet lighting, and a illuminated display box on the

cabinet top. The display box holds a sign decal that advertises various

graphic branding. This type of visual signage promotes the product to

the consumer and enhances the overall cabinet aesthetic.

4. The sign decal graphics or imagery can be applied to the side of the

cabinet. This improves product and brand awareness to the consumer.

5. The glass door has the customer's trademark, which is energized and

glows to better display the customer's brand image and highlight the

brand charm.

6. There are four swivel casters on the base for the flexible movement.

Product promotion & selling points

Overall curved appearance

Detachable light box

Tempered transparent glass door

Forced air-cooled circulation system in the box, fin evaporator with

high heat exchange efficiency.

Swivel casters (4 pcs) + front adjustable feet (2 pcs).

SERENE SC430N

Product Appearance

Service Manual

4Product Appearance

SC430N Overall Product View

8Product Instruction & Product Improvement

Service Manual

SERENE SC430N

5Product Instruction & Product Improvement

1. The refrigerant is R290.

2. The side panel at the top of the cabinet is formed as part of the side of

the cabinet.

3. SC430N uses Wanbao compressor for refrigeration and a electronic

controller.

4. The refrigeration system uses two DC centrifugal fans.

Product Main Technical Parameters

1. Refrigerator type description Unit Technical parameter

Refrigerator Type -Commercial refrigerator

Model -SC430N

Door Body Type -Transparent door

Colour -White/Grey

2. Main features

Power consumption kWh/24h 1.61

Total effective volume L420L

Effective volume of refrigerator

compartment L420L

Climate Class -S

Input total power W450W

Rated current A2.3A

Refrigerant -R290/50g

Defrost type

(refrigeration/freezing) -Timed natural defrost

Noise (sound power level) dB(A) 60

3. Electrical control

Electrical control method

(electronic/mechanical) -Electronic

Lighting Type -LED

4. Dimensions & instability

Body Size (D/W/H) mm 660 ×630 ×2208mm

Packing size (D/W/H) mm 720 ×740 ×2312mm

Net weight kg 102

Gross weight kg 112

SERENE SC430N

Function Adjustment Method

Service Manual

6Function Adjustment Method

Electrical Temperature Control

-88-

°C

Electrical Temperature

Control

A1 Temperature adjustment

A2 Temperature adjustment

B Temperature display

C D Temperature adjustment icon

E Lock icon

F Compressor on icon

Function introduction

EA1 A2

BC D

Start

Connect electrical power, then display will be on and

under unlock status; Icon-B will show actual tempera-

ture

Display lock & unlock

When display is under lock status, push A1 & A2

together for 3 seconds then display will be unlocked

and available for adjustment. When display is under

unlock status, if pushing A1 & A2 together for 3

seconds, or if no any key is pushed in 30 seconds,

display will be locked and lock icon will show.

Pushing “ ” and “ ” together can switch between

lock & unlock status.

When display flashes F3, it means sensor

has problem. Please call 4006992008 for

customer service. F3 will disappear only

after problem solved.

Temperature Shift

If the A1 or A2 control buttons are pushed

while in unlock mode, the temperature will

change by -1° or +1°. By holding either

button continously will cycle through minus

or positive temperatures. This can range

from 0° to 8° degrees, up or down.

Temperatures can be set-up within the

system. After 5 seconds of initiating change,

the system will save and lock the control

system.

Power-off memory

The controller has power-off memory

function. When not in use, its work status

will be locked. Once operational the system

will revert to last settings.

Default setup temperature is 5 °C.

Adjusting at electrical temperature

control panel is only for SC series

electrical temperature products.

GPRS Model Instructions (for products with GPRS function)

This cabinet has instant messaging function as a low power radio transmitter & receiver. When it’s on it will intermittently receive & transmit

radio signal. Operator network system will control the transmitting power of module. This cabinet complies with the regulations regarding RF

energy leakage of your country.

10 Schematics & Wiring Diagram

Service Manual

SERENE SC430N

7Schematics & Wiring Diagram

Schematic

SC430N Series

Wiring

Diagram

LAB80296 Rev. 1.0 Jan. 2021

SC430N

from SKOPE

L2: Box LED

F: Motor protector

L1: Light box LED

XP: Power plug

S2: Compressor switch

B1: Power PCB



S1: LED Lamp switch

M1/M2: Inner fan

E: Thermostat

RT: Starter

M: Compressor

M3: Cooling fan



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