Gram bioline BioUltra UL570 User manual

Item nr. 765041576
Revision nr. 20230901
English
Models: 570
Instructions for use – BioUltra
Original Instructions for use
MODEL: UL570
BioUltra
INSTRUCTIONS FOR USE
b i o l ine

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Quick Guide – BioUltra
Example: Setting the upper limits for the alarms; LHL
Press and hold + for more than 3 seconds until the display shows LAL
Press to select LAL, LHL is now shown in the display
Press
to select LHL, 25 is shown in the display
Press
or to set the desired value for the upper temperature limit
Press to conrm the set value
Press two times to return to LAL
Press to reach the next level, EAL, CAL, ALL and dPS are located on the same level
Press to leave the user menu
On/O
Press the button to turn the cabinet on. Press the button for 6 seconds to turn the cabinet o.
The software version of the cabinet will be shown when turning the cabinet on, followed by the variant.
The cabinet is ready when the temperature is displayed.
Setting the temperature
Temperature adjustments are done by holding the button and pressing either or
Conrm the settings by letting go of the buttons.
User menu
Menu Access +
Local alarm settings LAL LHL [° C] Upper alarm limit. Code for activated alarm [A2]
LLL [° C] Lower alarm limit. Code for activated alarm [A3]
LHd [Min.] Delay of upper alarm limit
LLd [Min.] Delay of lower alarm limit
bU On/o Acoustic signal for alarm codes [ A2] and [ A3]. [1=on / 0=o]
External alarm settings EAL EHL [° C] Upper alarm limit. Code for activated alarm [A4]
ELL [° C] Lower alarm limit. Code for activated alarm [A5]
EHd [Min.] Delay of upper alarm limit
ELd [Min.] Delay of lower alarm limit
bU On/o Acoustic signal for external alarm codes [ A4], [ A5]. [1=on / 0=o]
Oset of sensors CAL CA [K] Oset of A-sensor. Reference sensor for the refrigeration system
CE [K] Oset of E-sensor. Reference sensor for the display and alarms
ALL Activation of escorted alarm limits. [FAS] locked limits / [ESC] = follows setpoint
dPS Reference sensor for the display (A or E) (E is factory setting)

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Menu Access + [° C] Display code and its message
Sensor for
refrigeration system P-A Value on sensor for refrigeration system F1 Error on sensor for refrigeration system
Sensor for
evaporator P-B Value for evaporator sensor F2 Error on evaporator sensor
Sensor for
condensor P-C Value for condensor sensor F3 Error on condensor sensor
Sensor for
display and alarms P-E Value for display and alarm sensor F5 Error on sensor for display and alarm
F7 Overheated condensor
F8 Over pressure safety switch has triggered by
excessive pressure in the LT cooling system
Acknowledging an acoustic alarm
Temperature alarm codes A2 and/or A3: Flashes in the display. Press to acknowledge. The display will continue to ash if the
temperature is outside the alarm limits.
Latching alarms: A2, A3, A4, A5
Due to the potential implications of alarms, the red alarm triangle icon will turn on along with the corresponding alarm code will ash in
the display. The alarm state will remain on until acknowledged by pressing .
Reading Max/Min temperature
Read the higest recorded temperature inside the cabinet by holding down . Read the lowest recorded temperature inside the cabinet
by holding down .
Reading the alarm history – Example [A2]
[A2] ashes in the display – This means that the temperature has exceeded the set value for the upper temperature limit, LHL. Press
to acknowledge the [A2]. The display continues to ash, indicating that there is information in the alarm history. Press , Htt (High
temperature time) is shown, press to see for how long the temperature was above the set alarm limit. Press to return to Htt.
Press to reach Ht (Highest temperature). Press to read the highest recorded temperature during Htt. Press to return to Ht and
press again to leave the alarm history function. The procedure for reading an [A3] alarm is identical, apart from entering the alarm
history with the button. When reading out temperatures below set limits, the parameters are Ltt and Lt. A ashing display with no
alarm codes indicates that the alarm codes have been acknowledged, but the alarm system contains information.
Resetting Max/Min and alarm history
Resetting of the Max/Min and alarm history is done by holding and for more than 3 seconds, an acoustic signal will be given when
reset is complete.
Alarms
Alarm codes A2 The upper alarm limits, (LHL) alarm is or has been activated
A3 The lower alarm limits, (LLL) alarm is or has been activated
Sensor read-out and error codes

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Manufactured by
Gram Scientic ApS
Aage Grams Vej 1 · 6500 Vojens · Denmark
Tel: [phone]
e-mail: [email protected] · www.gram-bioline.com
Table of Content
Copyright © 2006- Gram BioLine, a division of
Gram Scientic, Denmark. All rights reserved.
The content of this publication is owned by Gram BioLine,
unless otherwise noted, and is protected by Danish and
international copyright laws and provisions.
Information and images may not be used, copied or
transferred without the express written permission
of Gram BioLine.
Quick Guide – BioUltra ...................2
Table of Content .........................4
Safety...................................5
Before you proceed ......................5
Cabinet components .....................6
Installation ..............................8
Initial setup .............................8
Surroundings.......................... 10
Mounting of shelves .................... 12
Correct use of outer door handle......... 13
Correct use of inner door handles ........ 14
Voltage-free contact .................... 15
Connection to power ................... 16
Equipotential bonding .................. 18
Connection to water supply ............. 19
Start-up ............................... 20
The digital display...................... 20
Walkthrough of menu .................. 21
Error codes ........................... 22
Examples of alarms .................... 23
Local alarms........................... 24
Local high alarm ....................... 24
Local low alarm ........................ 24
Local high alarm delay ................. 25
Local low alarm delay................... 25
Local acoustic settings .................. 26
External alarms ........................ 27
External high alarm .................... 27
External low alarm ..................... 27
External high alarm delay ............... 28
External low alarm delay ................ 28
External acoustic settings ............... 29
Parameter settings..................... 30
Sensor oset .......................... 30
Escorted / set alarm limits ............... 31
Display sensor......................... 32
Regular maintenance .................. 33
Cleaning .............................. 33
Door gasket ........................... 34
Defrost inner doors and cabinet.......... 35
Equalisation valve ...................... 36
General info ........................... 37
Service ............................... 37
Type/number plate..................... 38
Access port ........................... 39
Boxes and racks ....................... 40
Mount / Unmount door handle. . . . . . . . . . . 41
Mount / Unmount door handle. . . . . . . . . . . 41
Important............................. 42
Disposal .............................. 43
Data sheet ............................ 44
BioUltra UL570 ........................ 44
Refrigeration circuits ................... 48
UL570H, Air cooled, 50 Hz ............... 48
UL570H, Air cooled, 60 Hz .............. 49
UL570G, Air cooled, 50/60 Hz ............ 49
UL570H, Hybrid (Air and Water cooled) ... 50
UL570G, Air cooled .................... 51
UL570G, Hybrid (Air and Water cooled) ... 52
Wiring diagram ........................ 53
UL570 ................................ 53
Declaration of conformity .............. 54
IQ & OQ ............................... 56
Installation & Operation Qualication ..... 56
PQ .................................... 64
Performance Qualication............... 64

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Make sure to read the instructions for use through thoroughly before using the cabinet for the rst time.
In the event of need for product support, do not hesitate to contact us at: [email protected]
Before you proceed
Symbols used throughout the instructions for use
Risk of burning / freezing
Risk of personal injuryRisk of material damage
Risk of electric shockHazard
Info
Safety
Risk of re /ammable materials
Risk of explosion /
explosive materials
ATEX information
This instructions for use is intended for the following
product series:
BioUltra
We recommend that you read this instructions for use
through thoroughly before using the cabinet for the rst
time.
Gram Scientic does not guarantee safe operation if the
cabinet is used for anything other than its intended use.
Contents of the instructions for use can be subject to
change without notice.
No part of this instructions for use may be reproduced
in any form without expressed written consent of Gram
Scientic. Gram Scientic guarantees the cabinet under
certain warranty conditions. Gram Scientic is in no way
responsible for any loss or damage of content.
This instructions for use should be considered an integral
part of the cabinet, and should be stored close to the
cabinet and be easy to access. If the instructions for use is
lost, please refer to your local distributor or Gram Scientic
for a replacement. For current versions of the manual,
please go www.gram-bioline.com.
Intended Use
Gram BioLine BioUltra freezers are designed and
manufactured to provide safe and precise storage
conditions at ultra-low temperatures. Designed for
an operating range between -60 °C and -86 °C, with a
maximum ambient temperature of +30 °C and a maximum
relative humidity of 70%.
The user must ensure that the cabinet is used in
accordance with its intended use. Abnormal use or use
conicting with the intended use or guidelines stipulated in
the product documentation can lead to: danger to patient
safety, damage to stored items, damage to cabinet, danger
to user.
Gram BioLine equipment is designed to be used in a
system with monitored additional independent alarms to
ensure timely reaction to alarms and thereby maximum
item safety.

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8
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12
10
6
5
18
17
20
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4
3
2
16 15
14
13
11
19
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Cabinet components
This part describes the main components pertinent to the user.
ATTENTION –
In the event of technical diculties
always contact Gram BioLine
technical support or a Gram BioLine
authorized service partner.

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ATTENTION –
If parts show signs of damage:
do not use cabinet and contact Gram Bioline
or supplier for further aid.
1. Shelves and wall rails
Ensure that the shelves are xed according to this instructions
for use, before exerting load on them.
All shelves must be supported by at least 6 shelf support clips
each.
2. Inner doors
Ensure that the doors are closed completely after use.
To minimise ice build up and uctuations in temperature,
make the door openings as brief as possible. The inner doors
are removable for easy cleaning.
3. Door
Ensure that the door is closed completely after use. To
minimise ice build up and uctuations in temperature,
make the door openings as brief as possible.
4. Gasket for door
Ensure that the gasket is pliable and in good working order.
Keep clean, nd instructions in this instructions for use.
5. Gaskets for inner doors
Ensure that the gaskets are pliable and in good working order.
Keep clean, nd instructions in this instructions for use.
6. Latch for inner doors
Ensure that inner doors are closed completely after use.
Find instructions for operation in this instructions for use.
7. Door lock
Lock to secure the door.
8. Front panel, air intake and condenser
Do no cover the holes in the front panel.
Remove the front panel to access the condenser.
9. Door handle and backstop
The door handle has to be in the closed position when the
door is closed. Follow instructions in this instructions for use
to use the handle correctly.
10. Rubber spacers
Are intended to ensure appropriate space between the
cabinet and the wall. Do not remove.
11. Access plate for voltage free contact
Use to connect to an external alarm system.
Instructions for connection is found in this instructions
for use. Remember to set external alarms (EAL).
12. Pressure equalisation valve
Do not use as access port. Keep it as free of ice as possible.
13. Service hatch
Use to access the dry lter and heat exchanger.
Gram BioLine authorized service partner.
14. Mains connection
Ensure that the hanger is mounted on the connection plug
prior to start up.
15. Leveling castors
The castors allow for easy positioning, with the added
stationary stability of legs once deployed. Find instructions
and precautions in this instructions for use.
16. Fan exhaust
Do not obstruct the fan exhaust, failing to do so will lead to
reduced performance or malfunction.
17. Access port
Use to lead sensors and similar into the cabinet. Ensure
that the access port is sealed properly prior to start up.
18. Digital display for controller
Use the display to show the cabinet temperature and, to set
the parameters described in this instructions for use.
19. Inlet and outlet for water cooling (if applicable)
Applicable for Water cooled, and Hybrid cooled (water and air
cooled) cabinets. Ensure the that there are no signs of mold or
dirt before water-connection is made. Be aware that there can
be droplets of test-water in the water-system.
20. Equipotential bonding
To ensure compliance with ATEX regulations EN 60079-14.
See installation section for specications.

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This part of the instructions for use describes how to set up the cabinet.
Initial setup
Installation
WARNING – POTENTIAL
ELECTROSTATIC CHARGING
HAZARD
Removing protective packaging and
lm may cause electrostatic discharge.
protective packaging and lm shall not be
removed in ATEX zones.
I-1*: Due to safety and operating considerations, the cabinet must not be used outdoors.
I-2*: The cabinet should be installed in a dry and suciently ventilated area.
I-3*: To ensure ecient operation, the cabinet should not be installed in direct sunlight or close to heat sources.
I-4*: Minimum ambient temperature: +10 °C
Maximum ambient temperature: +30 °C
Setpoint temperature: -60 °C to -86 °C
I-6*: The cabinet is shipped with a protective lm that should be removed prior to use.
I-7*: Clean the cabinet with a mild soap solution prior to use.
I-5*: Avoid placement of the cabinet in a chloric/acidic environment due to risk of corrosion.
I-8*: The cabinet is only allowed to lay down for very short durations (for instance handling through a doorway). If
the cabinet has been laying down, the cabinet must stand up-right for at least 24 hours prior to use.
This enables oil in the compressors to run back into place.
*): Paragraph designation (I-1, I-2 etc) refers to the IQ (Installation Qualication)

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I-10*: All BioUltra cabinets are equipped with multifunctional levelling castors.
These allow for easy positioning, with the added stationary stability of legs once deployed.
Turn the dial to either raise or lower the legs. Raising all four legs, makes it possible to move the cabinet unhindered.
This part of the instructions for use describes how to adjust the levelling castors on the cabinet.
ATTENTION –
I-11*: A visual inspection of the cabinet
must be conducted prior to putting
the cabinet into service. Check
the cabinets structural integrity,
that door frames and doors don’t
have deformities, that gaskets seal
properly and that the doors sit ush
up against the door frame.
I-9*: When the cabinet is positioned, ensure that at least two of the legs of the cabinet are deployed.
All lifting of the cabinet must be done by mechanical lifting equipment. Lifting by hand can result in injury.
Remember to disconnect cabinet from power supply before moving it.
*): Paragraph designation (I-1, I-2 etc) refers to the IQ (Installation Qualication)

≥ 30 mm
≥ 50 mm
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I-12-13*: The cabinet must always be placed minimum 50 mm from the wall while in use. Allowing warm
exhaust from the compressor room to dissipate. And at least a 30 mm between cabinet sides and or/
walls.
Surroundings
*): Paragraph designation (I-1, I-2 etc) refers to the IQ (Installation Qualication)

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Do not remove the rubber spacers on the back of the cabinet, as they ensure the minimum required distance from
the fan exhaust to the wall.
For Ex environments –
Open containers inside the storage
chamber may impact the ATEX Zone
classication
For Ex environments –
Special conditions for safe use may
apply to this product when installing in
an EN 60079-14 environment. Please
see corresponding Ex certicate for
specications.
I-14*: Do not cover the holes in the front panel of the cabinet.
All items in the cabinet that are not encapsulated, or wrapped, should be covered to reduce the risk of corrosion of
the cabinet and its components.
The cabinet is not suited for storing items that emit vapours, as they might corrode the cabinet and its components.
I-15*: Do not use electrical appliances inside the cabinet.
*): Paragraph designation (I-1, I-2 etc) refers to the IQ (Installation Qualication)

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I-16*: Mount the shelf support clips to the wall
rails, using the numbering on the wall
rails to determine the right shelf height.
Finally placing the shelf on the supports.
Please note that the pronounced lip on the
shelf must face outwards, as shown in the
illustration.
Mount the clip by rstly slotting the protrusion on
the horizontal part of the clip into the wall rail.
While the protrusion is cradled in position, turn
the clip down and inwards.
When turning the clip downwards, compress the
diagonal strut of the clip, thereby allowing the
protrusion on the diagonal strut to rest in the
appropriate hole on the wall rail.
After mounting the shelf support clips, lay the shelf
on top of the clips.
Ensure that the shelf is safely mounted before
exerting load on them.
Mounting of shelves
This part of the instructions for use covers mounting and rearranging of the shelving in the cabinet.
All shelves must be supported by at
least 6 shelf support clips each.
Touching any part of a cold cabinet
with wet hands can cause frost burns.
Changing the interior conguration
must only be conducted when the
cabinet is turned o, and when the
cabinet is at room temperature
*): Paragraph designation (I-1, I-2 etc) refers to the IQ (Installation Qualication)

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Please note that the door is not fully closed until the handle is pointing down, as shown in the illustration
below.
This part covers the correct use of the outer door handle.
Read the following part thoroughly before using the cabinet.
Correct use of outer door handle
Open
ClosedNeutral
Neither open
nor closed!
Ensure that there is a proper seal between gasket
and door frame when the door is closed and the
handle is in the closed position.
Do not slam the door, as this can cause material
damage.
A vacuum can be created in the storage space after
closing the door, please allow the cabinet to equalise
in pressure before attempting to open the door
again. Attempting to open the door before adequate
equalisation can result in material damage.
The outer door handle must not be closed before
securing that the inner doors are closed correctly.
I-17*: It is important for safe operation and
performance that the door is closed entirely
when items in the cabinet are not being
accessed.
*): Paragraph designation (I-1, I-2 etc) refers to the IQ (Installation Qualication)

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This part covers the correct use of the inner door handles. Read the following part thoroughly before using the
cabinet. The inner doors are designed to operate, close and mount/unmount independently.
I-18*: The inner doors are locked when the door lever clicks in
place and sits ush up against the inner door.
The illustration on the left shows the inner doors in the
closed position.
Always ensure that the door gaskets are
in good condition. And that the dierent
gaskets seal properly.
The inner doors are opened by pulling the door lever straight
downwards until the door latch disengages, then open the door
normally.
The illustration below shows the process of opening an inner door.
Correct use of inner door handles
Paragraph designation (I-1, I-2 etc) refers to the IQ (Installation Qualication)*): Paragraph designation (I-1, I-2 etc) refers to the IQ (Installation Qualication)

NC
Common
NO
Common
Normally Open (NO)
Normally Open (NC)
NC
Common
NO
Common
NC
Common
NO
Common
+
+NC
NO
NC
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Voltage-free contact
This part of the instructions for use covers the voltage-free contact.
The illustration below shows the three connectors for the relay
(used f.ex. in connecting to CTS or other external alarm systems).
The three connections, are respectively. Common, NO and NC.
The moment when voltage is applied the controller draws the
relay, this makes it possible for the controller to respond to both
high and low temperature alarms and power failures. Temperature
alarms must be congured in the external alarm settings (EAL)
before they will activate the voltage-free contact. Find instructions
on setting external alarms in the Parameter settings section.
The wires that are connected to the connection block for the
voltage-free contact, are secured in place by a cable tension relief
and a securing plate that is screwed in place. This secures that
there is no tension on the connection block and prevents access to
the electrical circuit.
Connection of the voltage-free contact should be done by a
qualied installer.
Normally closed circuit (NC)

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Read the following part thoroughly before connecting the cabinet. Contact a qualied electrician if in doubt.
Connection to power
The appliance must be connected to the external power supply using a suitable device which mechanically prevents the
plug and socket from being separated unintentionally.
I-21*: The connection must be labelled: ”DO NOT SEPARATE WHEN ENERGIZED”
I-19*: When setting up in an ordinary scenario that is not subject to regulations for EN 60079-15 zone 2:
The appliance may be connected in accordance with applicable local heavy current regulations.
Note that there are special regulations for products that are in accordance with EN 60079-15 zone 2 and EN
60079-14: Explosive atmospheres – Electrical installations design, selection and erection.
The appliance has been manufactured in accordance with EN 60079-15: Electrical apparatus for explosive gas
atmospheres – Part 15: Type of protection II 3G Ex ec nC ic IIB Tx Gc. Zone 2 is the applicable zone. If the appliance
is to be installed in a zone 2 environment, specialist personnel should perform the installation, or be consulted
beforehand, in order to ensure that the appliance is installed in compliance with the guidelines currently contained
in the standard.
The cabinet is intended for connection to alternating current. The connection values for voltage (V) and frequency
(Hz) are given on the type/number-plate.
I-20*: The power cord from the mains is plugged in the terminal box on the back of the cabinet. The plug is then xated
in place by the hanger that is built into the terminal box. Please note that the hanger should be tted tightly around
the plug, as shown.
*): Paragraph designation (I-1, I-2 etc) refers to the IQ (Installation Qualication)

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Fuses and similar must never be removed or replaced while the appliance is connected to a power source.
The electrical terminal box must never be opened while the appliance is connected to a power source.
The compressor starting equipment must never be dismantled while the appliance is connected to a power source.
Whenever electrical components are dismantled or replaced, the appliance must be moved to an area in which there is no risk of
ignition caused by the electrical components or gases contained in the appliance.
Never use the cabinet if the plug is damaged. The cabinet should be examined by a Gram BioLine service technician in such cases.
When setting up in an ordinary scenario that is not subject to regulations for Zone 2:
The appliance may be connected in accordance with applicable local heavy current regulations.
In both cases:
Use a three-wire plug, if the power outlet is intended for a three-wire plug, a the lead in green / yellow insulation should be
connected to the ground terminal.
Power must be connected via a wall socket. The wall socket should be easily accessible.
All earthing requirements stipulated by the local electricity authorities must be observed. The cabinet plug and wall socket should
then give correct earthing. If in doubt, contact your local supplier or authorized electrician.
ATTENTION
Technical Support –
In the event of technical diculties always
contact Gram BioLine technical support or
a Gram BioLine authorized service partner.
Never dismantle the terminal box or any
other electrical component.
For Ex environments –
Special conditions for safe use may apply
to this product when installing in an
EN 60079-14 environment.
Please, see corresponding Ex certicate for
specications.

3.2 Nm
18
This part of the instructions equipotential bonding
Equipotential bonding
For installation in ATEX Cat. 3 Zone 2 areas, it is mandatory to have a equipotential bonding, it is not sucient to use
protective earth through the mains connection.
To secure equipotential bonding of the unit – the mounted external bonding conductor must be used in accordance with
national installation requirements e.g. EN 60079-14.
• Mounting of the bonding conductor should be done according to the following illustrations.
• Please nd location for connection facilities on the back of the cabinet marked with:
“Attention – Equipotential bonding”.
• The bonding conductor should be at least 4 mm2 guage.
• Use a ring terminal to ensure adequate bonding.
• Use the supplied M5 machine screw and washer to attach the bonding conductor to the cabinet. Tighten the machine
screw to 3.2 Nm.
Bonding of the cabinet is illustrated on this page.
ATTENTION –
Please note, this location is the only
manufacturerer-approved location for
Equipotential bonding.

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19
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Applicable for water cooled and hybrid cooled (air and water cooled) cabinets.
When performing the regular maintenance on the cabinet, please check all connections for the water-cooling
system and make sure there are no leaks.
Water cooled or hybrid cooled means that a cabinet is connected
to a water supply whereby the heat generated from the cabinet is
carried away by the facility process water distribution system for
utilisation in other parts of the facility. As added safety the hybrid
cooled has an air-cooled condenser in the event of malfunction of
the facility process water supply.
For connection to the water supply please use the inlets/outlet
illustrated below. Please be aware of the direction of feed in/out
according to illustration below.
Connection of the water supply must be done
by a qualied installer and made in accordance
with local legislation and guidelines.
Interfaces for water connection is ½” pipes with
external metric coarse thread (male).
The recommended temperature of the water
supply should be from +12 °C to +7 °C, and
maximum 30 °C.
The recommended water ow pressure is 0.5
to 1 bar. Maximum operating water pressure
must not exceed 10 bar.
Recommended particle size in water may not
be greater than 1 mm (0.04 inch). A strainer
with size of 16-20 mesh (number of openings
per inch) shall be installed before the inlet to
protect the cabinet and its functionality.
Connection to water supply
When connected to the water supply the cabinet must not be moved.
Please be aware, water leaks must not occur.
ATTENTION
Inlet
Outlet

2020
The digital display
Start-up
• Parameter setting
Gives access to the cabinets congurable parameters, such as
alarms, test program and sensor values.
• Defrost
Defrost in progress on heat exchanger.
• Key pad lock
Keypad is locked, no access to functions or menus.
• Temperature setting
Setting of temperature setpoint and navigation in the menus.
• On / O
Turn the cabinet On or O, and navigation in
the menus.
Temperature
setting
On / O
Parameter setting
Key pad
lock
N/A
N/A
Defrost
The digital display depicted below, shows the cabinets temperature
and indicates if the cabinet is connected to a power source.
O-1*: On / O
Press to turn the cabinet on. Press for 6 seconds to turn
the cabinet o. The software version of the cabinet will be shown
when turning the cabinet on, followed by the software variant. The
cabinet is ready when the temperature is displayed.
The cabinet will always commence operation when initially
connected to a power supply. For instance after a power outage or
when plugging the cabinet in for the rst time.
All-round introduction to navigating the menu
Beyond setting the temperature and on/o, , , and
is used to navigate the menus and set the parameters for the
cabinet.
The buttons have following functions in the menus:
Open a menu step / conrm a set value in the parameter
settings.
Scroll upwards in a given menu / raise a given value in
parameter settings (alarm limit for instance).
Scroll downwards in a given menu / lower a given value
in parameter settings (alarm limit for instance).
Go a menu step back.
O-2*: Temperature setting
Temperature adjustments are done by holding and pressing
either or . Conrm the settings by letting go of the buttons.
ATTENTION –
High and low temperature alarms set
up in the cabinets’ controller (including
EAL alarms) must be accompanied by
additional redundant independent
external alarms to ensure maximum item
safety.
ATTENTION –
Make sure the cabinet is switched o at
the socket before service is performed on
electrical parts.
It is not sucient to switch o the cabinet
on the key, as current will persist in
some electrical parts of the cabinet. If
fuses or similar are to be replaced, the
cabinet must be moved to a no-risk area.
For Ex environments –
DO NOT OPEN, MAINTAIN OR SERVICE
IN AN AREA WHEN AN EXPLOSIVE
ATMOSPHERE IS PRESENT
*): Paragraph designation (O-1, O-2 etc) refers to the OQ (Operation Qualication)