Buchi S-396 Nano User manual

Dehumidifier S-396 Nano
Operation Manual
11594350 | A en

Imprint
Product Identification:
Operation Manual (Original) Dehumidifier S-396 Nano
11594350
Publication date: 06.2022
Version A
BÜCHI Labortechnik AG
Meierseggstrasse 40
Postfach
CH-9230 Flawil 1
E-Mail: [email protected]
BUCHI reserves the right to make changes to the manual as deemed necessary in the light of experience,
especially with respect to structure, illustrations and technical details.
This manual is copyrighted. Information from it may neither be reproduced, distributed, or used for
competitive purposes, nor made available to third parties. The manufacture of any component with the
aid of this manual without prior written agreement is also prohibited.

Büchi Labortechnik AG Table of contents
Operation Manual Dehumidifier S-396 Nano iii
Table of contents
1 About this document...........................................................................................................5
1.1 Mark-ups and symbols ..........................................................................................................5
1.2 Trademarks ...........................................................................................................................5
1.3 Connected devices ................................................................................................................5
2 Safety....................................................................................................................................6
2.1 Proper use .............................................................................................................................6
2.2 Use other than that intended .................................................................................................6
2.3 Staff qualification ...................................................................................................................6
2.4 Personal protective equipment ..............................................................................................7
2.5 Warning notices in this document..........................................................................................7
2.6 Warning symbols ...................................................................................................................7
2.7 Residual risks ........................................................................................................................8
2.7.1 Malfunction of a connected instrument (option)........................................................8
2.7.2 Incorrect spray drying mode installation ...................................................................8
2.8 Modifications..........................................................................................................................8
3 Product description.............................................................................................................9
3.1 Description of function ...........................................................................................................9
3.2 Configuration .........................................................................................................................9
3.2.1 Front view .................................................................................................................9
3.2.2 Rear view................................................................................................................10
3.3 Scope of delivery .................................................................................................................10
3.4 Type plate............................................................................................................................10
3.5 Technical data .....................................................................................................................11
3.5.1 Dehumidifier S-396 Nano .......................................................................................11
3.5.2 Ambient conditions .................................................................................................12
3.5.3 Materials .................................................................................................................12
3.5.4 Installation site........................................................................................................13
4 Transport and storage ......................................................................................................14
4.1 Transport .............................................................................................................................14
4.2 Storage ................................................................................................................................14
4.3 Lifting the instrument ...........................................................................................................14
5 Installation..........................................................................................................................15
5.1 Before installation ................................................................................................................15
5.2 Establishing electrical connections......................................................................................15
5.3 Installations for a spray drying mode...................................................................................15
5.4 Installing the condensate vessel..........................................................................................16
6 Operation............................................................................................................................17
6.1 Starting the instrument ........................................................................................................17
6.2 Shutting down the instrument ..............................................................................................17

Table of contents Büchi Labortechnik AG
iv Operation Manual Dehumidifier S-396 Nano
7 Cleaning and servicing .....................................................................................................18
7.1 Regular maintenance work..................................................................................................18
7.2 Empty the condensate vessel..............................................................................................18
7.3 Cleaning the housing...........................................................................................................18
7.4 Cleaning and servicing the warning and directive symbols .................................................19
7.5 Cleaning the ventilation slots...............................................................................................19
7.6 Cleaning the instrument.......................................................................................................19
8 Help with faults ..................................................................................................................20
8.1 Troubleshooting...................................................................................................................20
9 Taking out of service and disposal..................................................................................21
9.1 Taking out of service ...........................................................................................................21
9.2 Disposal...............................................................................................................................21
9.3 Refrigerant...........................................................................................................................21
9.4 Returning the instrument .....................................................................................................21
10 Appendix ............................................................................................................................22
10.1 Spare parts and Accessories...............................................................................................22

Büchi Labortechnik AG About this document | 1
Operation Manual Dehumidifier S-396 Nano 5/24
1 About this document
This operation manual is applicable for all variants of the instrument.
Read this operation manual before operating the instrument and follow the
instructions to ensure safe and trouble-free operation.
Keep this operation manual for later use and pass it on to any subsequent user or
owner.
BÜCHI Labortechnik AG accepts no liability for damage, faults and malfunctions
resulting from not following this operation manual.
If you have any questions after reading this operation manual:
uContact BÜCHI Labortechnik AG Customer Service.
https://www.buchi.com/contact
1.1 Mark-ups and symbols
NOTE
This symbol draws attention to useful and important information.
RThis character draws attention to a requirement that must be met before the
instructions below are carried out.
uThis character indicates an instruction that must be carried out by the user.
ðThis character indicates the result of a correctly carried out instruction.
Mark-up Explanation
Window
Software Windows are marked-up like this.
Tab
Tabs are marked-up like this.
Dialog
Dialogs are marked-up like this.
[Button] Buttons are marked-up like this.
[Field names] Field names are marked-up like this.
[Menu / Menu item] Menus or menu items are marked-up like this.
Status Status is marked-up like this.
Signal Signals are marked-up like this.
1.2 Trademarks
Product names and registered or unregistered trademarks that are used in this
document are used only for identification and remain the property of the owner in
each case.
1.3 Connected devices
In addition to these operating instructions, follow the instructions and specifications
in the documentation for the connected devices.

2 | Safety Büchi Labortechnik AG
6/24 Operation Manual Dehumidifier S-396 Nano
2 Safety
2.1 Proper use
The instrument is designed and built for laboratories.
The instrument can be used for the following tasks:
Condense water from the drying gas from BUCHI spray dryer.
2.2 Use other than that intended
The use of the instrument other than described in proper use and specified in
technical data is use other than that intended.
The operator is responsible for damages or hazards that are caused by use other
than that intended.
Specially the following uses are not permitted:
Use of the instrument in areas which require explosion-safe instruments.
Use the instrument with non-BUCHI instruments.
Use of the instrument in closed mode without Inert Loop.
Use of the instrument for processing substances outside of research and
development.
Use of the instrument with gases with unknown chemical composition.
Use of the instrument with organic solvents (> 20 %) without Inert Loop.
Use of the instrument with organic solvents (> 20 %) in open mode.
Use of the instrument with samples containing peroxides.
Use of the instrument with samples that can form peroxides.
Use of the instrument with samples which produce oxygen during the processing.
Use of the instrument with toxic substances without appropriate safety measures.
Use of the instrument with biohazardous materials such as viruses or bacteria.
Use of the instrument with substances which might explode or ignite because of
the processing.
Use of the instrument with corrosive samples in closed mode.
2.3 Staff qualification
Unqualified persons are unable to identify risks and are therefore exposed to greater
dangers.
The instrument may only be operated by suitably qualified laboratory staff.
These operating instructions are aimed at the following target groups:
Users
Users are persons that meet the following criteria:
They have been instructed in the use of the instrument.
They are familiar with the contents of these operating instructions and the
applicable safety regulations and apply them.
They are able on the basis of their training or professional experience to assess
the risks associated with the use of the instrument.

Büchi Labortechnik AG Safety | 2
Operation Manual Dehumidifier S-396 Nano 7/24
Operator
The operator (generally the laboratory manager) is responsible for the following
aspects:
The instrument must be correctly installed, commissioned, operated and serviced.
Only suitably qualified staff may be assigned the task of performing the
operations described in these operating instructions.
The staff must comply with the local applicable requirements and regulations for
safe and hazard-conscious working practices.
Safety-related incidents that occur while using the instrument should be reported
to the manufacturer ([email protected]).
BUCHI service technicians
Service technicians authorized by BUCHI have attended special training courses and
are authorized by BÜCHI Labortechnik AG to carry out special servicing and repair
measures.
2.4 Personal protective equipment
Depending on the application, hazards due to heat and/or corrosive chemicals may
arise.
uAlways wear appropriate personal protective equipment such as safety goggles,
protective clothing and gloves.
uMake sure that the personal protective equipment meets the requirements of
the safety data sheets for all chemicals used.
2.5 Warning notices in this document
Warning notices warn you of dangers that can occur when handling the instrument.
There are four danger levels, each identifiable by the signal word used.
Signal word Meaning
DANGER Indicates a danger with a high level of risk which could result in
death or serious injury if not prevented.
WARNING Indicates a danger with a medium level of risk which could result in
death or serious injury if not prevented.
CAUTION Indicates a danger with a low level of risk which could result in mi-
nor or medium-severity injury if not prevented.
NOTICE Indicates a danger that could result in damage to property.
2.6 Warning symbols
The following warning symbols are displayed in this operation manual or on the
instrument.
Symbol Meaning
General warning

2 | Safety Büchi Labortechnik AG
8/24 Operation Manual Dehumidifier S-396 Nano
Symbol Meaning
Device damage
Health-harming or irritant substances
2.7 Residual risks
The instrument has been developed and manufactured using the latest technological
advances. Nevertheless, risks to persons, property or the environment can arise if
the instrument is used incorrectly.
Appropriate warnings in this manual serve to alert the user to these residual
dangers.
2.7.1 Malfunction of a connected instrument (option)
A malfunction on a connected instrument can cause poisoning or death.
uMake sure that the connected instrument is prepared and maintained according
to the user documentation.
2.7.2 Incorrect spray drying mode installation
An incorrect spray drying mode installation can cause an instrument damage.
uMake sure that the all instruments for a spray drying mode are installed in the
correct order.
2.8 Modifications
Unauthorized modifications can effect safety and lead to accidents.
uUse only genuine BUCHI accessories, spare parts and consumables.
uCarry out technical changes only with prior written approval from BUCHI.
uOnly allow changes to be made by BUCHI service technicians.
BUCHI accepts no liability for damage, faults and malfunctions resulting from
unauthorized modifications.

Büchi Labortechnik AG Product description | 3
Operation Manual Dehumidifier S-396 Nano 9/24
3 Product description
3.1 Description of function
The Dehumidifier is an instrument which can dry gases at constant and reproducible
humidity conditions. The humidity condensates while passing the refrigerator and is
being collected in a closed condensate bottle.
3.2 Configuration
3.2.1 Front view
4
12
3
5
Fig.1: Front view
1 On / Off master switch 2 Inlet
3 Outlet 4 Ventilation slots
5 Condensate vessel area

3 | Product description Büchi Labortechnik AG
10/24 Operation Manual Dehumidifier S-396 Nano
3.2.2 Rear view
3
4
1
2
5
Fig.2: Rear view
1 Type plate
See Chapter3.4 "Type plate",
page10
2 Fuses
3 Power supply 4 Ventilation slots
5 Ventilation slots
3.3 Scope of delivery
NOTE
The scope of delivery depends of the configuration of the purchase order.
Accessories are delivered as per the purchase order, order confirmation, and
delivery note.
3.4 Type plate
The type plate identifies the instrument. The type plate is located at the rear of the
instrument. See Chapter3.2.2 "Rear view", page10

Büchi Labortechnik AG Product description | 3
Operation Manual Dehumidifier S-396 Nano 11/24
Büch Labortechnik AG
Meierseggstrasse 40 CH - 9230 Flawil / Switzerland
Made in Germany
10
9
1
2
11
12
3
8
4
5
6
714
13
Fig.3: Type plate
1 Instrument name 2 Serial number
3 Article number 4 Refrigerant details
Filling capacity
5 Global warming potential 6 Input voltage range
Frequency
7 Power consumption maximum 8 Fuse type
9 High-pressure system design pres-
sure
10 Low-pressure system design pressure
11 Year of manufacture 12 Company name and address
13 Approvals 14 Symbol for "Do not dispose of as
household waste"
3.5 Technical data
3.5.1 Dehumidifier S-396 Nano
Specification Dehumidi
fier S-396
nano
200 V
Dehumidi
fier S-396
nano
210 V
Dehumidi
fier S-396
nano
220 V
Dehumidi
fier S-396
nano
230 V
Dehumidi
fier S-396
nano
240 V
Dimensions (W x D x H) 450 x 373
x 609 mm
450 x 373
x 609 mm
450 x 373
x 609 mm
450 x 373
x 609 mm
450 x 373
x 609 mm
Weight 41 kg 41 kg 41 kg 41 kg 41 kg
Power consumption max. 700
VA
max. 700
VA
max. 700
VA
max. 700
VA
max. 700
VA
Frequency 50 / 60 Hz 50 / 60 Hz 50 / 60 Hz 50 / 60 Hz 50 / 60 Hz
Connection voltage 200 VAC ±
10 %
210 VAC ±
10 %
220 VAC ±
10 %
230 VAC ±
10 %
240 VAC ±
10 %
Primary fuse 10 A 10 A 10 A 10 A 10 A

3 | Product description Büchi Labortechnik AG
12/24 Operation Manual Dehumidifier S-396 Nano
Specification Dehumidi
fier S-396
nano
200 V
Dehumidi
fier S-396
nano
210 V
Dehumidi
fier S-396
nano
220 V
Dehumidi
fier S-396
nano
230 V
Dehumidi
fier S-396
nano
240 V
Secondary fuse 6 A 6 A 6 A 6 A 6 A
Overvoltage category II II II II II
Protection degree I I I I I
Pollution degree II II II II II
Min. outlet temperature 0 °C 0 °C 0 °C 0 °C 0 °C
Rate of cooling 340 W at
0 °C
340 W at
0 °C
340 W at
0 °C
340 W at
0 °C
340 W at
0 °C
Refrigerant R513A R513A R513A R513A R513A
CO-equivalent 0.195 t 0.195 t 0.195 t 0.195 t 0.195 t
Filling amount of refrigerant 0.34 kg 0.34 kg 0.34 kg 0.34 kg 0.34 kg
Safety Group Refrigerants
(ASHRAE)
A1 (lower
toxicity,
no flame
propaga-
tion)
A1 (lower
toxicity,
no flame
propaga-
tion)
A1 (lower
toxicity,
no flame
propaga-
tion)
A1 (lower
toxicity,
no flame
propaga-
tion)
A1 (lower
toxicity,
no flame
propaga-
tion)
Maximum allowable pres-
sure (PS)
[Low pressure side]
12 bar 12 bar 12 bar 12 bar 12 bar
Maximum allowable pres-
sure (PS)
[High pressure side]
18 bar 18 bar 18 bar 18 bar 18 bar
Minimum clearance on all
sides
200 mm 200 mm 200 mm 200 mm 200 mm
3.5.2 Ambient conditions
For indoor use only.
Max. altitude above sea level 2000 m
Ambient and storage temperature 5‒40 °C
Maximum relative humidity 80 % for temperatures up to 31 °C
decreasing linearly to 50 % relative hu-
midity at 40 °C
3.5.3 Materials
Component Materials of construction
Housing St 1.4301 powder coated

Büchi Labortechnik AG Product description | 3
Operation Manual Dehumidifier S-396 Nano 13/24
Component Materials of construction
Reservoir St 1.4301
Silver solder
Phosphor solder
EPDM
Evaporator Aluminum
Copper
Connections Stainless steel
Woulff bottle Glass
Hoses Silicone
3.5.4 Installation site
The installation site has a firm, level surface.
The installation site allows that the power supply can be disconnected at any time
in an emergency.
The installation site has enough space that cables / tubes can be routed safely.
The installation site has no obstacles (e.g. water taps, drains, etc.).
The installation site is not exposed to external thermal loads, such as direct solar
radiation.
The installation site meets the requirements for the connected devices. See
related documentation
The installation site meets the specifications according to the technical data (e.g.
weight, dimension, etc.). See Chapter3.5 "Technical data", page11
The installation site meets the requirements of the safety data sheets for all
solvents and samples used.
There is no loose paper or the like at the installation site that could drawn in the
ventilation.
The installation site has an own mains outlet socket for the instrument.
The electric installation meets the requirements. See Chapter5 "Installation",
page15 and Chapter3.5 "Technical data", page11

4 | Transport and storage Büchi Labortechnik AG
14/24 Operation Manual Dehumidifier S-396 Nano
4 Transport and storage
4.1 Transport
NOTICE
Risk of breakage due to incorrect transportation
uMake sure that all parts of the device are safely packed in such a way as to
prevent breakage, ideally in the original box.
uAvoid sharp movements during transit.
uAfter transportation, check the device for damage.
uDamage that has occurred in transit should be reported to the carrier.
uKeep packing for future transportation.
4.2 Storage
uMake sure that the ambient conditions are complied with (see Chapter3.5
"Technical data", page11).
uWherever possible, store the device in its original packaging.
uAfter storage, check the device, all seals and tubing for damage and replace if
necessary.
4.3 Lifting the instrument
WARNING
Danger due to incorrect transportation
The possible consequences are crushing injuries, cuts and breakages.
uThe instrument should be transported by two persons at the same time.
uLift the instrument at the points indicated.
uLift the instrument at the points indicated.

Büchi Labortechnik AG Installation | 5
Operation Manual Dehumidifier S-396 Nano 15/24
5 Installation
5.1 Before installation
NOTICE
Instrument damaged if switched on too early.
After transporting, wait twelve hours before switching on the instrument. The fluid
in the cooling system requires twelve hours to collect in the refrigerant compressor.
5.2 Establishing electrical connections
NOTICE
Risk of instrument damage because of not suitable power supply cables.
Not suitable power supply cables can cause bad performance or an instrument
damage
uUse only BUCHI power supply cables.
Precondition:
RThe electrical installation is as specified on the
type plate.
RThe electrical installation is equipped with a
proper grounding system.
RThe electrical installation is equipped with
suitable fuses and electrical safety features.
RThe installation site is as specified in the
technical date. See Chapter3.5 "Technical
data", page11
uConnect the power supply cable to the
connection on the instrument. See Chapter3.2
"Configuration", page9
uConnect the mains plug to an own mains outlet
socket.
5.3 Installations for a spray drying mode
For installations for a spray drying mode, see separate installation manuals.
"Nano Spray Dryer B-90 HP in closed mode"
"Nano Spray Dryer B-90 HP in open mode with gas supply"
"Nano Spray Dryer B-90 HP in open mode"

5 | Installation Büchi Labortechnik AG
16/24 Operation Manual Dehumidifier S-396 Nano
5.4 Installing the condensate vessel
uPut the condensate vessel in the
condensate vessel area.
uAttach the cap nuts to the bottle.

Büchi Labortechnik AG Operation | 6
Operation Manual Dehumidifier S-396 Nano 17/24
6 Operation
6.1 Starting the instrument
Precondition:
RAll commissioning operations have been completed. See Chapter5 "Installation",
page15
RThe condensate vessel is empty. See Chapter7.2 "Empty the condensate vessel",
page18
uSet the On / off master switch to On.
ðThe compressor is starting up.
ðThe outlet hoses gets cold.
6.2 Shutting down the instrument
uSet the On / Off master switch to Off.
uWait until the instrument is the same as the ambient temperature.
uEmpty the condensate vessel. See Chapter7.2 "Empty the condensate vessel",
page18

7 | Cleaning and servicing Büchi Labortechnik AG
18/24 Operation Manual Dehumidifier S-396 Nano
7 Cleaning and servicing
NOTE
uCarry out only the service and cleaning operations described in this section.
uDo not carry out any servicing and cleaning operations that involve opening the
housing.
uUse only genuine BUCHI spare parts in order to ensure correct operation and
preserve the warranty.
uCarry out the service and cleaning operations described in this section to extant
the lifetime of the instrument.
7.1 Regular maintenance work
Action
Daily Weekly Monthly
Additional information
7.2 Empty the condensate ves-
sel
1 Carry out this action before
every instrument use.
7.3 Cleaning the housing 1
7.4 Cleaning and servicing the
warning and directive sym-
bols
1
7.5 Cleaning the ventilation
slots
1
7.6 Cleaning the instrument 1 In addition, carry out this
cleaning process when
changing the sample.
1 - Operator
7.2 Empty the condensate vessel
NOTE
Installing is done in reverse sequence.
uOpen the cap nuts.
uRemove the bottle.
uEmpty the bottle in compliance with local
regulations and legal requirements for waste
disposal.
7.3 Cleaning the housing
uWipe down the housing with a damp cloth.
uIf heavily soiled, use ethanol or a mild detergent.

Büchi Labortechnik AG Cleaning and servicing | 7
Operation Manual Dehumidifier S-396 Nano 19/24
7.4 Cleaning and servicing the warning and directive symbols
uCheck that the warning symbols on the instrument are legible.
uIf they are dirty, clean them.
7.5 Cleaning the ventilation slots
uRemove dust and foreign objects from the ventilation slots using compressed air
or a vacuum cleaner.
7.6 Cleaning the instrument
uDisconnect the power cable.
uRemove the process gas tubes.
uOpen the cap nuts.
uRemove the bottle.
uPut the condensate drain tubes in a bucket
(min. 5 L)
uSeal the condensate drain tubes with a hose
clamp.
uFill in about 5 liter cleaning liquid (e.g. ethanol)
into the process gas tube connected to the
connection marked IN.
uWait 5 minutes.
NOTICE!Check the filling level of the bucket dur-
ing the draining process. If necessary empty it.
uDrain the cleaning liquid through the
condensate drain tubes.
uRepeat the cleaning procedure until the
washing solution is free from particles or
chemicals

8 | Help with faults Büchi Labortechnik AG
20/24 Operation Manual Dehumidifier S-396 Nano
8 Help with faults
8.1 Troubleshooting
Problem Possible cause Action
The On /Off master
switch does not
light.
No electric connection. uConnect the instrument to
the electric power supply.
See Chapter5 "Installation",
page15
The compressor
does not start up.
Compressor is broken. uContact BUCHI Customer
Service.
Wrong connection voltage.
The outlet hose
does not get cold
Compressor is broken. uContact BUCHI Customer
Service.
Wrong connection voltage.