Serene HB80 User manual

HB80/110
Serene Glass Door Chiller
Service Manual MAN6820 Rev. 2.1 Feb. 2020

HB80/110
Serene Single Door Vertical Chiller
Service Manual
MAN6820
Rev. 2.1 Feb. 2020
© 2007 SKOPE Industries Limited. All rights reserved.
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
Fax: [phone]
E-mail: [email protected]
Website: www.skope.co.nz
Trademark Infringement
The SKOPE 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 HB80/110
Service Manual iii
CONTENTS
1 Specifications
Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Refrigeration Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
2 Replacement Procedures
Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Interior Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Refrigeration System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Evaporator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Condenser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
3 Maintenance
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 Wiring
HB80/110 Cabinet and Refrigeration System . . . . . . . . . . . . . . . . . . . 9
5 Spare Parts
HB80 Cabinet and Refrigeration System . . . . . . . . . . . . . . . . . . . . .10
HB110 Cabinet and Refrigeration System. . . . . . . . . . . . . . . . . . . . . 12
6 Troubleshooting
Diagnostic Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4Specifications
Service Manual
Serene HB80/110
1Specifications
HB80/110 with Fluorescent Light
Cabinet
Refrigeration Unit
Electrical
Dimensions HB80 HB110
Height: 780mm 980mm
Width: 500mm 500mm
Depth: 560mm 560mm
Depth with open door: 1035mm 1035mm
Floor area: 0.28m20.28m2
Internal volume: 80 litres 110 litres
Total weight: 38 kg 45 kg
Cabinet temp. range 1°C to 4°C in 32°C ambient
Door Right hand hinged (non-reversible) with triple glazed
safety glass.
Shelves 2 x white plastic coated
wire
3 x white plastic coated
wire
Shelf dimensions 405mm wide x 360mm deep
HB80 HB110
Bottom mounted split refrigeration system
Compressor: ZEL OF605 ZEL OF789
Controls: Adjustable thermostat Adjustable thermostat
Nominal capacity: 76 Watts 110 Watts
Refrigerant: R134a R134a
Charge: 65 grams 70 grams
HB80 HB110
Supply: 230-240 Volts a.c. 50 Hz, single phase power supply
Power input: 165 Watts 165 Watts
Total run Amps: 1.10 Amps 1.30 Amps
Power cord: 1.5m 3-core flexible supply cord with 3-pin 10A plug
Interior light: 1 x 5 Watt / 865 OSRAM DULUX S fluorescent tube
(switched)

5
Serene HB80/110
Specifications
Service Manual
HB80 with LED Lights
Cabinet
Refrigeration Unit
Electrical
Dimensions HB80
Height: 780mm
Width: 500mm
Depth: 560mm
Depth with open door: 1035mm
Floor area: 0.28m2
Internal volume: 80 litres
Total weight: 38 kg
Cabinet temp. range 1°C to 4°C in 32°C ambient
Door Right hand hinged (non-reversible) with triple glazed
safety glass.
Shelves 2 x white plastic coated wire
Shelf dimensions 405mm wide x 360mm deep
HB80
Bottom mounted split refrigeration system
Compressor: ZEL OF605
Controls: Adjustable thermostat
Nominal capacity: 76 Watts
Refrigerant: R134a
Charge: 65 grams
HB80
Supply: 230-240 Volts a.c. 50 Hz, single phase power supply
Power input: 165 Watts
Total run Amps: 1.10 Amps
Power cord: 1.5m 3-core flexible supply cord with 3-pin 10A plug
Interior light: 4 x vertical LED lights (total
4W)

6Replacement Procedures
Service Manual
Serene HB80/110
2Replacement Procedures
Cabinet
Interior Light The chiller is lit by fluorescent tube lighting or by LED strip lighting. See
the table below for lighting details.
To replace a fluorescent lamp
To replace an LED strip
Model: HB80 HB110
Fluorescent tube
lighting
1 x 5 Watt / 865 OSRAM DULUX S fluorescent tube
(switched)
LED strip lighting 4 x vertical LED lights
(total 4W) n.a.
1. Isolate the chiller from the power supply.
2. Remove the light cover by carefully bending out the side clips.
3. Pull the fluorescent
lamp out of the lamp
holder.
4. Replace with a maximum 5 Watt fluorescent lamp.
5. Carefully align the
side clips on the light
cover and fit back
into place.
6. Reconnect the cabinet to the power supply.
1. Isolate the chiller from the power supply.
2. Unclip the light cover
from the inside of the
door frame.
Continued over page
Fluorescent lamp Lamp holder
Light cover

7
Serene HB80/110
Replacement Procedures
Service Manual
Electrical The cabinet light ballast and refrigeration unit electrics can be accessed
from the rear of the cabinet (see Figure 1 & 3 below) by removing the
refrigeration compartment grille. Remove the relay cover to access the
electrical connections and compressor electrics (see Figure 2 below).
3. Unplug and unscrew
the faulty LED light
strip.
4. Plug in and fit the replacement LED strip.
5. Refit the light cover to the inside of the door frame.
6. Reconnect the cabinet to the power supply.
Figure 2: Fluorescent ballast &
compressor electrics (with relay
Figure 1: Compressor
electrics
Fluorescent light ballast
Relay cover Compressor
Overload and
start relay
Mains supply cord
Figure 3: LED ballast
LED light ballast

8Replacement Procedures
Service Manual
Serene HB80/110
Refrigeration System
Evaporator The evaporator plate is attached to the inside back wall of the cabinet.
The evaporator fan, along with the thermostat and cabinet light switch,
is located inside the cabinet behind the motor support panel.
To access the evaporator fan, thermostat and light switch
Condenser The condenser coil is attached to the rear of the cabinet. The condenser
coil should be brushed regularly to remove any dust build up.
The compressor is located at the bottom of the cabinet (see Figure 3
below) and is accessed by removing the refrigeration compartment
grille from the rear of the cabinet. The plastic condensate tray lifts off
the compressor for cleaning purposes.
1. Isolate the chiller from the power supply.
2. Remove the five screws holding the motor support panel.
3. Swing the motor
support panel down
to access
components.
Evaporator fan
Motor support panel
Light switch
Thermostat
Evaporator plate
Figure 3: Condenser Coil
and Compressor (HB80
pictured)
Condenser coil
Compressor
Condensate tray

9
Serene HB80/110
Maintenance
Service Manual
3Maintenance
Cleaning
Many commercially available cleaning products contain solvents that
may attack the plastic components of this product and cause them to
crack. It is important to use only warm water and a small amount of
detergent when cleaning this cooler. Do not use abrasive or corrosive
cleaners or boiling water.
Isolate the chiller from the power supply before cleaning.
When necessary, wipe both the interior and exterior of the cabinet
with a damp cloth. Do NOT flush the cabinet with water.
Clean the door gasket once every three months.
The condenser coil (located on the back of the cabinet) should be
brushed regularly to remove any dust build up.
Figure 4: Condenser Coil
(HB80 pictured)
Condenser coil Cabinet back

10 Wiring
Service Manual
Serene HB80/110
4Wiring
HB80/110 Fluorescent Light
LEGEND
1Mains terminal block 6Evaporator fan
2Mains supply cord and plug 7Thermostat
3Light switch 8Compressor overload
45 Watt fluorescent lamp 9Compressor
5Magnetic ballast 10 PTC relay

11
Serene HB80/110
Wiring
Service Manual
HB80 LED Lights
LEGEND

12 Spare Parts
Service Manual
Serene HB80/110
5Spare Parts
HB80 Cabinet and Refrigeration System

13
Serene HB80/110
Spare Parts
Service Manual
Parts — HB80 Cabinet and Refrigeration System
Item Description SKOPE Part No. Customer Part Number
1Compressor (with condensate tray and
electrics)
HB0074090531
Compressor (ZEL OF605) HB0074090531-1
Overload protector HB0074090531
Start relay HB0074090531
Relay cover HB0074090531-4
Condensate Tray HB0074090531-5
2Drier HB0074180003
3Compressor bottom plate HB0071190014
4Fluorescent ballast (fluorescent lit cabinet) HB0075070014
LED ballast (LED lit cabinet) HB0071800044
5Compartment grille HB0070103996A
6Power cord HB0075180110
7Back condenser HB0070700624
8Top hinge cover HB0070200978
9Top hinge HB0070103327
10 Evaporator plate HB0070700532
11 Fan motor support 1 HB0060105039
12 Fan motor HB0075030004A
13 Fan motor support 2 HB0070104842
14 Fan motor support HB0070104801
15 Thermostat (K50-Q4020-000) HB0074090874
16 Evaporator cover HB0070104800
17 Light switch (fluorescent lit cabinet only) HB0074090076
18 Thermostat knob HB0072040122
19 Bottom hinge HB0070803172A
20 Adjustable foot HB0070601231
21 Foot bolt HB0077050043
22 5 Watt fluorescent lamp (fluorescent lit
cabinet)
HB0074000032
1 Watt LED strip (LED lit cabinet) HB0071800053
23 Lamp holder HB0074000078
24 Light cover (fluorescent lit cabinet) HB0070200919
25 Shelf HB0070103503
26 Glass door (fluorescent lit cabinet) HB0070803653
Glass door (LED lit cabinet) HB0070811256
27 Door lock set HB0070103412

14 Spare Parts
Service Manual
Serene HB80/110
HB110 Cabinet and Refrigeration System

15
Serene HB80/110
Spare Parts
Service Manual
Parts — HB110 Cabinet and Refrigeration System
Item Description SKOPE Part No. Customer Part Number
1Compressor HB0070701279
Compressor electrics HB0074090531
2Drier HB0060703262
3Compressor bottom plate HB0071190014
4Fluorescent ballast HB0074000079
5Compartment grille HB0070103996A
6Power cord HB0060611040
7Back condenser HB0070700518
8Top hinge cover HB0070202740
9Top hinge HB0070103327
10 Evaporator plate HB0074010059
11 Fan motor support 1 HB0060105039
12 Fan motor HB0075030004A
13 Fan motor support 2 HB0070104842
14 Fan motor support HB0070104801
15 Thermostat (K50-Q4020-000) HB0074090874
16 Evaporator cover HB0072060019
17 Light switch HB0074090076
18 Thermostat knob HB0072040122
19 Bottom hinge HB0070803172A
20 Adjustable foot HB0070601231
21 Foot bolt HB0070102036
22 5 Watt fluorescent lamp HB0074000032
23 Lamp holder HB0074000078
24 Light cover HB0070200919
25 Upper shelf HB0070103503
26 Lower shelf HB0070103503A
27 Glass door HB0070811257A

16 Troubleshooting
Service Manual
Serene HB80/110
6Troubleshooting
Diagnostic Table
Complaint Possible Cause Repair
1. Cabinet not
operating
• Loss of power supply • Check power supply
2. Cabinet light
not operating
• Loss of power supply • Check power supply
• Failed fluorescent or LED
lamp
• Check lights and ballasts
3. Compressor
will not start
• Loss of power supply • Check power supply
• Overload protector tripped • Replace overload
• The temperature controller
knob is in the off (‘0’)
position.
• Adjust temperature
controller.
4. Compressor
starts too
frequent, with
operation time
too long
• Short of refrigerant • Fix leak and add charge
• Over-charge of refrigerant • Remove refrigerant to
correct charge
• Temperature controller not
reading temperature
correctly
• Check air temperature with
thermometer. Adjust offset
if required
• Faulty temperature
controller
• Replace controller
• Dirty condenser coil • Clean condenser coil.
• Cabinet overloaded with
product
• Reduce product loading
• Ambient temperature too
high
• Ensure maximum
operating conditions are
40°C at 75% RH
• Drying filter is blocked • Replace filter
5. Compressor
runs without
stopping and
temperature
inside cabinet
is too low
• The temperature controller
is set too cold
• Adjust temperature
controller to a warmer
setting
• Faulty temperature
controller
• Replace temperature
controller
• The temperature sensing
probe of the controller is
incorrectly positioned
• Reposition temperature
controller probe.
6. Compressor
starts and runs,
but short
cycles on
overload
protector
• Supply voltage too high • Check voltage
• Compressor too hot • Check refrigerant charge
and unit ventilation
• Faulty overload protector • Replace overload
• Faulty starting relay • Replace starting relay
• Short circuit in compressor • Replace compressor

SKOPE Contacts
SKOPE Industries Limited
NEW ZEALAND CONTACT
Head Office
PO Box 1091, Christchurch
New Zealand
Freephone: 0800 947 5673
Fax: [phone]
E-mail: [email protected]
Website: www.skope.co.nz
AUSTRALIAN CONTACT
A.B.N. 73 374 418 306
PO Box 7543, Baulkham Hills B.C.
NSW 2153, Australia
Freephone: 1800 121 535
Fax: [phone]
E-mail: [email protected]
Website: www.skope.com.au