Canovate Can BREEZE Series Manual

IT’s
far and away
the BEST
Can BREEZE
Operating and Maintenance of
Cooling Unit Instructions 8-14 kW

2 lCan BREEZE Operating and Maintenance Cooling Unit Instructions 7-14 kW www.canovate.com l[email protected] lP. [phone]
1. Canovate Legal Disclaimer
The information presented in this manual is not
warranted by the Canovate to be authoritative, error
free, or complete. This publication is not meant to be
a substitute for a detailed operational and site specific
development plan. Therefore, Canovate assumes no
liability for damages, violations of codes, improper
installation, system failures, or any other problems
that could arise based on the use of this Publication.
The information contained in this Publication is
provided as is and has been prepared solely for
the purpose of evaluating data center design and
construction. This Publication has been compiled in
good faith by Canovate. However, no representation
is made or warranty given, either express or implied,
as to the completeness or accuracy of the information
this Publication contains.
IN NO EVENT SHALLCANOVATE, ORANY PARENT,
AFFILIATE OR SUBSIDIARY COMPANY
OF CANOVATE CORPORATION OR THEIR
RESPECTIVE OFFICERS, DIRECTORS, OR
EMPLOYEES BE LIABLE FOR ANY DIRECT,
INDIRECT, CONSEQUENTIAL, PUNITIVE,
SPECIAL,ORINCIDENTALDAMAGES(INCLUDING,
WITHOUT LIMITATION, DAMAGES FOR LOSS
OF BUSINESS, CONTRACT, REVENUE, DATA,
INFORMATION, OR BUSINESS INTERRUPTION)
RESULTING FROM, ARISING OUT, OR IN
CONNECTION WITH THE USE OF, OR INABILITY
TO USE THIS PUBLICATION OR THE CONTENT,
EVEN IF CANOVATE CORPORATION HAS BEEN
EXPRESSLY ADVISED OF THE POSSIBILITY
OF SUCH DAMAGES. CANOVATE RESERVES
THE RIGHT TO MAKE CHANGES OR UPDATES
WITH RESPECT TO OR IN THE CONTENT OF THE
PUBLICATION OR THE FORMAT THEREOF AT
ANY TIME WITHOUT NOTICE.
Copyright, intellectual, and all other proprietary rights
in the content (including but not limited to software,
audio, video, text, and photographs) rests with
Canovate or its licensors. All rights in the content not
expressly granted herein are reserved. No rights of
any kind are licensed or assigned or shall otherwise
pass to persons accessing this information.
This Publication shall not be for resale in whole or in
part

www.canovate.com l[email protected] lP. [phone] Can BREEZEOperating and Maintenance Cooling Unit Instructions 8-14 kW l 3
2. Contents
1. Canovate Legal Disclaimer 2
2. Contents 3
3. General Information 4
3.1 Save these instructions 4
3.2 Intended users 4
3.3 Legal information concerning the
operating instructions
4
3.4 Copyright 4
3.5 Revision Rev. 4
3.6 Proper use 5
3.7 Precautionary measures 5
3.8 Safety Instructions 5
3.9 Symbols in these operating 5
3.10 instructions 5
3.11 Important safety instructions 6
3.12 Service and technical staff 7
3.13 RoHS compliance 7
4. Transport and handling 8
4.1 Scope of delivery of Front Cooler 8
4.2 Transport 8
4.3 Unpacking 9
6. COMPONENTS 11
6.1 Components of CAN-BREEZE 11
6.2 Components of Fan Unit 11
7. UNITS INSTALLATION 12
7.1 UNIT INSTALLATION 12
7.1.1 FACTORY-SUPPLIED ACCESSORIES 12
7.1.2 INITIAL CHECK 13
8. DRAIN PIPING 13
8.1 GENERAL 13
8.2 DRAIN PIPE CONNECTION 14
9. ELECTRICAL WIRING 16
9.1 ELECTRICAL WIRING CONNECTION
FOR INDOOR UNIT
16
9.2 SETTINGS OF DIP SWITCHES 17
10. MAINTENANCE 19
10.1 TAKE OUT THE FILTER 19
10.2 CLEAN THE FILTER 20
10.3 RESET OF FILTER INDICATION 20
11. OUTDOOR UNIT 21
11.1 Important Notice 21
12. TRANSPORTATION AND HANDLING 23
13. BEFORE OPERATION 23
14. AUTOMATIC CONTROLS 24
15. BASIC TROUBLESHOOTING 25
16. NAME OF PARTS OUTDOOR UNIT 27
17. UNIT INSTALLATION 29
17.1 OUTDOOR UNIT INSTALLATION 29
17.2 Installation space 30
17.3 Installation place provision 32
18. REFRIGERANT PIPING &
REFRIGERANT CHARGE
34
18.1 PIPING MATERIALS 34
18.2 SUSPENSION OF REFRIGERANT
PIPING
35
18.3 PIPING CONNECTION FOR
OUTDOOR UNIT
36
18.4 Refrigerant charge 41
18.5 Caution of the pressure by check joint 41
18.6 Refrigerant Charging Quantity 41
18.7 ELECTRICAL WIRING CONNECTION
FOR OUTDOOR UNITS
42
18.7.3 Setting of DIP Switches for Outdoor Unit 43
18.7.4 System installation DIP Switch Setting 45
19. TEST RUNNING 47
19.1 TEST RUN PROCEDURE BY REMOTE
CONTROL SWITCH (PC-ART
EXAMPLE)
49
19.2 TEST RUN FROM OUTDOOR UNIT
SIDE
50
20. Specifications 52
21. TROUBLESHOOTING 53

4 lCan BREEZE Operating and Maintenance Cooling Unit Instructions 8-14 kW www.canovate.com l[email protected] lP. [phone]
3. General Information
3.1 Save these instructions
This manual contains important instructions that must
be followed during the installation of this
equipment.
3.2 Intended users
This manual is intended for Canovate authorized
personnel. It provides component specifications and
instructions for installing and commissioning the
equipment.
3.3 Legal information concerning the
operating instructions
We reserve the right to make changes in content.
Canovate is not responsible for mistakes in this
documentation. Liability for indirect damages which
occur through the delivery or use of this documentation
is excluded to the extent allowable by law.
3.4 Copyright
The distribution and duplication of this document and
the disclosure and use of its contents are prohibited
unless expressly authorised.
Offenders will be liable for damages. All rights created
by a patent grant or registration of a utility model or
design are reserved.
3.5 Revision Rev.
0 of 24 November 2008

www.canovate.com l[email protected] lP. [phone] Can BREEZEOperating and Maintenance Cooling Unit Instructions 8-14 kW l 5
3.6 Proper use
The Liquid Cooling Package Inline serves to dissipate
high heat losses and for the effective cooling of
devices built into a server enclosure. The unit is state
of the art and built according to recognised safety
regulations. Nevertheless, improper use can present
a hazard to life and limb of the user or third parties, or
result in possible impairment of the system and other
property. The unit should thus only be used properly
and in technically sound condition. Any malfunctions
which impair safety should be rectified immediately!
Follow the operating instructions! Intended use also
includes following the operating instructions and
fulfilling the inspection and maintenance conditions.
3.7 Precautionary measures
Inappropriate use may result in danger. Inappropriate
use may include:
- Use of impermissible tools.
- Improper use.
- Improper rectification of malfunctions.
- Use of replacement parts which are not authorised
by Canovate
3.8 Safety Instructions
The Front Coolers produced by Canovate are
developed and produced with due regard to all safety
precautions.
Nevertheless, the unit still causes a number of
unavoidable dangers and risks. The safety instructions
provide you with an overview of these dangers and
the necessary safety precautions.
In the interest of your safety and the safety of others,
please read these safety instructions carefully before
assembly and commissioning of the Front Cooler.
Follow the user information found in these instructions
and on the unit carefully.
3.9 Symbols in these operating
3.10 instructions
Danger!
This warning symbol is used to indicate great
dangers caused by the product which may
result in injury and even death if the indicated
preventative measures are not followed.
Caution!
This warning symbol is used to indicate
procedures which may cause risk of equipment
damage or personal injury.
Note:
This instruction symbol indicates information
concerningindividualprocedures,explanations,
or tips for simplified approaches.

6 lCan BREEZE Operating and Maintenance Cooling Unit Instructions 8-14 kW www.canovate.com l[email protected] lP. [phone]
3.11 Important safety instructions
Danger! Electric shock!
Contact with live electrical parts may be deadly.
Before switching on, ensure that it is not
possible to come into contact with live electrical
parts.
Danger! Injury caused by fan impellors!
Keep persons and objects away from the fan
impellors! Do not remove covers until the power
supply is disconnected and impellors are not
moving! Always use mechanical protection
when working! Shut down the respective fan
as much as possible during maintenance work!
Tie long hair back! Do not wear loose clothing!
Fans start up automatically following power
disruptions!
Danger! Cut wounds, especially through sharp
edges of the fan module and heat exchanger
modules!
Put on protective gloves before beginning
assembly or cleaning work!
Danger! Injury due to falling loads!
Do not stand under suspended loads when
transporting the unit with a hoist trolley, a
forklift, or a crane.
Caution! Risk of malfunction or damage!
Do not modify the unit! Use only original spare
parts!
Caution! Risk of malfunction or damage!
Proper and flawless unit operation can only be
ensured when it is operated under the intended
ambient conditions. As far as possible, be sure
that the ambient conditions for which the unit is
designed are complied with, e.g. temperature,
humidity, air purity.
Caution! Risk of malfunction or damage!
All media necessary for the control system,
e.g. cooling water, must be available during the
entire operating time.
Caution! Risk of malfunction or damage!
In order to avoid frost damage, the minimum
permissible input water temperature of +6 °C
must not be undercut at any point in the water
cycle!
It is vital that the manufacturers’ consent is
obtained before adding anti-freeze!

www.canovate.com l[email protected] lP. [phone] Can BREEZEOperating and Maintenance Cooling Unit Instructions 8-14 kW l 7
Caution! Risk of malfunction or damage!
During storage and transportation below
freezing point, the water cycle should be
drained completely using compressed air!
Caution! Risk of malfunction or damage!
Only set the temperature control setpoint as
low as is strictly necessary, since the danger
of condensation through undercutting the
dew point increases with a falling water inlet
temperature!
Ensure that the enclosure is sealed on all
sides, particularly at the cable
entry (condensation)!
3.12 Service and technical staff
The installation, commissioning, maintenance and
repair of this unit may only be carried out by qualified
mechanical and electro-technical trained personnel.
Only properly instructed personnel may carry out
service on a unit while in operation.
3.13 RoHS compliance
Front Cooler fulfils the requirements of EU directive
2002/ 95/EC on the Restriction of Use of Certain
Hazardous Substances in Electrical and Electronic
Equipment (RoHS) of 13 February, 2014.
Note:
Corresponding information concerning the RoHS
directive is provided by our firm on the Internet at
www.canovate.com

4. Transport and handling
4.1 Scope of delivery of Front Cooler
The scope of delivery of a Front Cooler includes:
Qty. Parts
Front Cooler, ready for connection
1
1
1
1
1
1
1
4
Accessories:
Pipe fitting condensate pump
Condensate hose for condensate pump
Condensate hose emergency overflow
Sealing strip
Connection plug
Cable tie and spreading anchor
Jumper for connection plug (strain relief for connection cable)
Eyebolts
1 Assembly instructions
4.2 Transport
The Front Cooler is delivered shrink-wrapped on a
pallet.
Caution!
Because of its height and small base, the Front Cooler
is subject to tipping. Risk of toppling, especially
after the unit is removed from the pallet!
Caution!
Transport of the Front Cooler without a pallet:
- Use only suitable and technically sound lifting
gear and load-bearing devices with sufficient
load capacity.
Recommended module handling equipment
Forklift
Pallet Jack
Module Handling
If possible, transport the module using a forklift or
pallet jack.
• If using a forklift or pallet jack, ensure that the fork
tine length is suitable to safely move the packaged
module.
• Canovate recommends keeping the module in the
protective packaging until it has been moved to the
installation site.
• When handling and unpacking the module, exercise
8 lCan BREEZE Operating and Maintenance Cooling Unit Instructions 8-14 kW www.canovate.com l[email protected] lP. [phone]

www.canovate.com l[email protected] lP. [phone] Can BREEZEOperating and Maintenance Cooling Unit Instructions 8-14 kW l 9
great care to prevent damage.
• Do not lift the module any higher than 6” (152mm)
while moving it. If it must be lifted higher than 6”
(152mm), exercise great care and keep all personnel
who are not helping move the module at least 20’
(5m) away from the module.
• The Front Cooler ships with four outrigger-style
wheels to permit rolling it into position. Canovate
recommends using a forklift or pallet jack to move the
Front Cooler as near as practical to its installation site
before removing it from the shipping pallet.
4.3 Unpacking
Upon arrival of the module and before unpacking,
verify that the labeled equipment matches the bill of
lading. Carefully inspect all items for either visible or
concealed damage. Damage should be immediately
reported to the carrier and a damage claim filed with a
copy sent to Canovate or to your sales representative.
If you later find any concealed damage, report it to
both the shipping company and your local Canovate
representative.
Check to be sure all required assemblies and parts
have been received.
The Front Cooler is shipped in protective packaging
and secured to a pallet (see Figure 5). Do not remove
these protective items from the Front Cooler before
it is at the installation location. When unpacking and
handling the Front Cooler, exercise extra care to
prevent damage.
Caution
Risk of sudden refrigerant discharge. Can cause loss
of charge and minor injury.
If the optional pre-charged option is chosen, the
Front Cooler module is shipped with a full charge of
R-134a refrigerant under pressure. Do not remove
the pipe caps or plugs before the module is ready for
connection to Front Cooler Piping.
Supply and return fittings on the pre-charged Front
Cooler modules are one-shot couplings.
Do not disconnect one-shot couplings after they
have been connected. Disconnection will release
pressurized R-134a refrigerant from the Front Cooler.
Recyclable Packaging
All material used to package this module is recyclable.
Please save for future use or dispose of the material
appropriately.
WARNING : Risk of top-heavy module falling over.
Can cause equipment damage, injury and death.
Read all of the following instructions before attempting
to move, lift, remove packaging from the module, or

preparing module for installation.
Use extreme caution and care when moving and
installing this unit. Use lifting equipment that is rated
for the weight of the unit by an OSHA-certified rating
organization. Personnel should be properly trained
and qualified to move and rig equipment
CAUTION: Risk of sharp edges, splinters and
exposed fasteners. Can cause personal injury.
Only properly trained personnel wearing appropriate
safety headgear, gloves, shoes and glasses should
attempt to move, lift, remove packaging from, or
prepare module for installation
NOTICE :Risk of overhead interference. Can cause
module or structure damage.
The module may be too tall to fit through a doorway
while on the skid. Measure the module and doorway
heights and refer to the installation plans before
moving the module to verify clearances.
NOTICE: Risk of improper storage. Can cause
module damage.
Keep the module indoors and protected from
dampness, freezing temperatures and contact
damage.
NOTICE :Risk of damage from forklift. Improper
handling with the forklift can cause exterior and/or
underside damage.
Keep tines of the forklift level and at a height suitable
to fit below the pallet.
Domestic Packaging
1. Remove the exterior stretch-wrap packaging from
around the module, exposing the protective corner
and side packaging planks.
2. Remove corner and side packaging planks from
the module, exposing the bag over the module.
Remove the bag when ready to install the Front
Cooler.
Planks at the corners and on the sides
protect the Front Cooler during shipping
Remove the Stabilizers at the corners
10 lCan BREEZE Operating and Maintenance Cooling Unit Instructions 8-14 kW
5.
www.canovate.com l[email protected] lP. [phone]
Exterior stretch wrapping
surrounds other protective
shipping features

www.canovate.com l[email protected] lP. [phone] Can BREEZEOperating and Maintenance Cooling Unit Instructions 8-14 kW l 11
6. COMPONENTS
6.1 Components of CAN-BREEZE
1 Cabinet Frame











2 Removable Front Glass Door
3 Removable Rear Solid Door
4 Removable Side Panel
5 Fan Unit
6 Rear Panel of Fan’s Filter
7 Heat Exchanger
8 Air Duct
9 Remote Controller
10 Cover of Remote Controller
11 Adjustable Feet
6.2 Components of Fan Unit
1 Fan Motor





2 Fan
3 Fan Case
4 Electrical Control Box
5 Rail of Fan

12 lCan BREEZE Operating and Maintenance Cooling Unit Instructions 8-14 kW www.canovate.com l[email protected] lP. [phone]
7. UNITS INSTALLATION
WARNING:
- Check to ensure that the accesso.ries are packed
with the indoor unit.
- Do not install the indoor units outdoors. If installed
outdoors, an electric hazard or electric leakage will
occur.
- Consider the air distribution from each indoor unit to
the space of the room, and select a suitable location
so that uniform air temperature in the room can be
obtained.
- Avoid obstacles which may hamper the air intake or
the air discharge flow.
- Pay attention to the following points when the indoor
units are installed in a hospital or other places where
there are electronic waves from medical equipment,
etc.
Mount suspension bolts using M10 (W3/8) as size, as
shown below:
Square
washers
Wo oden Bar
(60 mm to 90 mm Square)
W ooden Beam Sling Bolt
(W3/8 or M10)
For oncrete Slab
150~160mm oncrete
Anchor Bolt
Steel
I-Beam Suspension Bolts
(W3/8 or M10)
Nuts
Do not put any foreign material into the indoor unit
and check to ensure that none exist in the indoor unit
before the installation and test running. Otherwise a
fire or failure, etc., may occur.
7.1 UNIT INSTALLATION
7.1.1 F A C T O R Y -SUPPLIED
ACCESSORIES

www.canovate.com l[email protected] lP. [phone] Can BREEZEOperating and Maintenance Cooling Unit Instructions 8-14 kW l 13
7.1.2 INITIAL CHECK
Indoor unit with proper clearance around it for
operation and maintenance working space, as
shown below
(mm)
Min. 40
Min.400
Min. 500
Min. 8
Min. 300Min. 300
Check down slope pitch of drain piping is following
the specification indicate in chapter ‘Drain Piping’
8. DRAIN PIPING
8.1 GENERAL
CAUTION:
- Do not create an upper-slope or rise for the drain
piping, since drain water will flow back to the unit
and
leakage to the room will occur when the unit
operation is stopped.
Incorrect: Upward Slope
Incorrect: Risin
g
Part
INCORRECT
Do not connect the drain pipe with sanitary or
sewage
piping or any other drainage piping.
- When the common drain piping is connected
with other indoor units, the connected position of
each indoor unit must be higher than the common
piping.
The pipe size of the common drain pipe must
be large enough according to the unit size and
number of unit.
Common Drain Piping
1/25~1/100 Down Slope Drain Piping connection
CORRECT
Drain piping will require insulating if the drain is
installed in a location where condensation forming
on
the outside of drain pipe may drop and cause
damage. The insulation for the drain pipe must
be selected to insure vapor sealing and prevent
condensation forming.

14 lCan BREEZE Operating and Maintenance Cooling Unit Instructions 8-14 kW www.canovate.com l[email protected] lP. [phone]
Drain trap should be installed next to indoor unit. This
trap must be designed to good practice and be
checked with water (charged) and tested for correct
flow. Do not tie or clamp the drain pipe and refrigerant
pipe together.
NOTE:
Install drainage in accordance with national and local
codes.
After performing drain piping work and electrical
wiring, check to ensure that water flows smoothly as
in the following procedure:
Checking Unit without Drain-up Mechanism
- Pour approximately 1.8 liters of water into the drain
pan.
- Check to ensure that the water flows smoothly or
whether no water leakage occurs. When water cannot
be found at the end of the drain piping, pour another
approximately 1.8 liters of water into the drain pan.
NOTE:
Pay attention to the thickness of the insulation when
the left side piping is performed. If it is too thick, piping
can not be installed in the unit.
8.2 DRAIN PIPE CONNECTION
The standard direction of drain piping connection
is right side as viewed from the discharge grilles.
However, it can be performed from the left side
connection is required due to the building construction.
For Right Side Connection
1. Insert the hose into the wire clamp.
2. Push the drain hose onto the drain boss until the
hose reaches the end of the drain pan.
3. Tighten the screw for the wire clamp in order to
hold the hose around the drain connection without
any leakage of drain water as shown bellow.
4. Insulate the drain hose around the wire clamp to
prevent any condensation as shown.
Wire Clamp A
Drain Hose
Drain Pipe
Insulation
Drain Boss
Wire Clamp b

For Left Side Connection
Drain Boss
Drain Plug Rear Side
Fastener Band
Drain Plug
Insulation Plug
Fan Runner Fan Motor
Remove the drain plug of the left-side drain boss as
indicated in the following procedure.
1. Cut the fastener.
2. Remove the insulation material.
3. Remove the drain plug.
4. Insert the drain plug into the right-side and drain
boss using a driver as shown below.
Driver Drain Plug Drain Connection
Unit
Side
5. After inserting the drain plug into the right-side drain
boss, seal the jointed part by using a water-proof
chloride type sealing material and secure it with a
fastener.
Seal Material
Plug
6. Wrap the insulation material around the drain
connection.
7. Connect the drain hose to the left side drain
connection using the same procedure as for the right
side drain connection.
Connecting a Drain Piping
1. Prepare a polyvinyl chloride (PVC) tube with an
outer diameter of 26mm. (VP20)
2. Pay attention to the position of the drain pipe. Keep
the down-slope, 1/25 to 1/100. Do not create an upper
slope or rise for the drain piping.
3. Seal the connecting part of the drain pipe by using
the water-proof chloride type sealing material.
4. Wrap the insulation material around the connecting
part perfectly.
5. Fasten the drain pipe to the connecting part using
the factory-supplied clamp.
www.canovate.com l[email protected] lP. [phone] Can BREEZEOperating and Maintenance Cooling Unit Instructions 8-14 kW l 15

16 lCan BREEZE Operating and Maintenance Cooling Unit Instructions 8-14 kW www.canovate.com l[email protected] lP. [phone]
Drain Hose
Insulation
(
eld su
pp
lied
)
Secure
Downward
Slope
Clamp Insulation
6. Do not connect the drain pipe with sanitary sewage
or any other drainage pipe.
7. When installing the pipe, do not tie the drain pipe
and refrigerant pipe together. Tie the drain pipe as
shown below
Band Band
Rear Side piping Rear Side piping
8. After completing the drain pipe work, pour water
into the drain pan and check to ensure that water
flows smoothly
9. ELECTRICAL WIRING
9.1 ELECTRICAL WIRING CONNECTION
FOR INDOOR UNIT
CAUTION:
Use twisted shielded pair cable or shield pair cable
for transmission wires between the indoor and the
outdoor units, and connect the shielded part to the
earth screw in the electrical box of the indoor unit as
shown below.
Single phase connection
Remote Control (PC-ART)
Transmission Wires
Power supply wires
(Single phase)
Earth Screw

www.canovate.com l[email protected] lP. [phone] Can BREEZEOperating and Maintenance Cooling Unit Instructions 8-14 kW l 17
The electrical wiring connection for the indoor unit is
shown below.
1. Connect the cable of the remote control switch to
the terminals A and B in electrical box through the
connecting hole in the cabinet, as shown below.
2. Connect the power supply and ground wires to the
terminals in the electrical box.
3. Connect the wires between the indoor unit and the
outdoor unit to the terminals 1 and 2 in the electrical
box, as shown below:
Cord clamp
RCS (Optional)
Electrical Box
Grille
Knockout hole
for wirings
Transmission wires
Power wires
RCS (Optional)
Connector
9.2 SETTINGS OF DIP SWITCHES
Quantity and Position of Dip Switches
Dips switches position is the following:
DSW6
DSW5
DSW4
DSW3
DSW7
RSW1
RSW2
CAUTION:
Before setting dips switches, firstly turn off power
source and set the position of the dips switches. If the
switches are set without turning off the power source,
the contents of the setting are invalid.
DSW3: Capacity Code Setting
No setting is required, due to setting before shipment.
This dip switch is utilized for setting the capacity code
which corresponds to the Horse Power of the indoor
unit.
HP 1.8 2.0 2.3 2.5
Setting
Position
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
3.0 4.0 5.0 6.0
Setting
Position
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4

18 lCan BREEZE Operating and Maintenance Cooling Unit Instructions 8-14 kW www.canovate.com l[email protected] lP. [phone]
DSW6 and RSW1: Unit No. Setting
The below figure indicates the position before
shipment.
DSW6 RSW1
ON
1 2 3 4 5 6
Here is set DSW6 and RSW1 before shipment up to 63
can be set.
Ex. Setting nº16 RSW1
ON
1 2 3 4 5 6
Indication
Use athead driver
Nº 1 PIN is on Fix to 6
DSW5 and RSW2: Refrigerant Cycle No. Setting
Setting is required. Setting position before shipment
in
DSW5 RSW2
ON
1 2 3 4 5 6
Here is set DSW5 and RSW2 before shipment up to 63
can be set.
Ex. Setting 5
system RSW2
ON
1 2 3 4 5 6
All pins are OFF Fix to 5
DSW4: Unit Model Code Setting
No setting is required. This switch is utilized for setting
the model code which corresponds to the indoor unit
type.
Indoor Unit Model DSW4 Setting
RPC
ON
1 2 3 4

www.canovate.com l[email protected] lP. [phone] Can BREEZEOperating and Maintenance Cooling Unit Instructions 8-14 kW l 19
DSW7: Fuse Recover
In case of applying high voltage to the terminal
1,2 of TB1, the fuse on the PCB1(M) is cut. In
such a case, rstly correct the wiring to TB1 and
then turn ON #1 (as showing beside)
ON
1 2
DSW7: Remote Control Selection
No setting is required. Setting position before
shipment is all OFF (PC-ART) Remote Control
Switch Selected).
ON
1 2
NOTE:
- The mark “■“ indicates position of dips switches.
Figures show setting before shipment or after
selection.
10. MAINTENANCE
Do not operate the system without the air filter to
protect the indoor unit heat exchanger against being
clogged. Turn OFF the main power switch before
taking out the filter. (The previous operation mode
may appear.)
The indication, “FILTER” is shown on the display
of the remote control switch. Take out the air filter
according to the indicated steps for each unit.
10.1 TAKE OUT THE FILTER
Ceiling Type
1. Side the knobs.
Knob
2. Open the air inlet grille.
3. Take out the air filter from the air inlet grille.

20 lCan BREEZE Operating and Maintenance Cooling Unit Instructions 8-14 kW www.canovate.com l[email protected] lP. [phone]
10.2 CLEAN THE FILTER
Clean the air filter according to the following steps:
1. Use a vacuum cleaner or let water flow onto the air
filter for removing the dirt from the air filter.
CAUTION:
Do not use hot water higher than approximately 40ªC
2. Dry the air filter in the shade after shaking off
moisture.
3. Do not use cleaner or other chemicals
10.3 RESET OF FILTER INDICATION
After cleaning the air filter, press the “RESET” button.
The FILTER indication will disappear and the next
filter cleaning time is set.