Jaga OXRE.015 User manual

27200.23200083
JAGA OXYGEN
REFRESH UNITS
Service manual: OXRE.015 / OXRE.020 / OXRU.015 / OXRU.020

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IMPORTANT INFO
The REFRESH UNIT must be installed and connected by an ap-
proved installer in accordance with these installation instructions
and the applicable national and local regulations. Read this
manual carefully to ensure the device will be installed properly.
Please follow these instructions and file them somewhere safe!
The device must always be accessible so maintenance can be
performed. Fully complying with the contents of this manual is the
only way to ensure that failures are prevented and the device will
work correctly.
The guarantee will be void when:
• malfunctions or damage occur due to non-compliance with the installation, cleaning, or usage
instructions provided by the manufacturer.
• the device is used or handled in an incorrect, improper, and/or irresponsible manner.
• incorrect or non-professional repairs and defects arised due to external factors
• any repair carried out by yourself
• devices are installed in a manner that makes the devices dicult to access.
[phone]
Jaga N.V.
Verbindingslaan 
B- Diepenbeek
Jaga reserves the right to change product specification at any time in line with our policy of continuous improvement and
innovation.
CONTENTS
WARNINGS AND SAFETY........................................................................................................ 95
SPARE PARTS.......................................................................................................................... 96
ORDERING CODE OCU ............................................................................................................ 96
COMPOSITION ......................................................................................................................... 97
REPLACING THE TAIR SENSOR............................................................................................ 99
REPLACING THE TWATER SENSOR.................................................................................... 103
REPLACING THE CO2 SENSOR KIT...................................................................................... 106
REPLACING THE CONTROL PANEL ..................................................................................... 109
REPLACING THE MOTOR/FAN.............................................................................................. 112
REPLACING THE CONTROL UNIT OCU.............................................................................. 117

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OXYGEN REFRESH UNIT service manual 95
WARNINGS AND SAFETY
General:
the REFRESH UNIT must be installed and connected by an approved installer in accordance with
these installation instructions and the applicable national and local regulations
the customer must engage qualified sta, all applicable construction and safety regulations must
be complied with during installation, commissioning, and maintenance of this product
wear suitable and on-site prescribed personal protective equipment (PPE), such as work gloves,
safety glasses, etc.
the unit has sharp edges; always use gloves
always switch o and unplug the power supply before installation or maintenance!
do not insert body parts or objects in the air inlet or outlet
pay the utmost attention to the signs and symbols located on the appliance
Connections:
 non-conforming electrical and hydraulic connections releases Jaga N.V. from liability concerning
damage to objects and persons
Use:
this device is not intended to be used by people (including children) with reduced physical, sen-
sory, or mental capacities, or who lack experience or knowledge, unless a person responsible for
their safety supervises them or has explained how the device must be operated.
always supervise children to ensure that they do not play with the device.
Maintenance:
maintaining the device is very important to ensure it works correctly. Maintenance must be perfor-
med on a regular basis depending on the use and function of the room where the device is installed
engage only qualified people to perform the maintenance work
use only original parts
cover: clean with a soft moist cloth
cover: do not use products based on solvents or cleaning agents
Dismantle the unit:
Jaga N.V. has always cared about protecting the environment.
When the unit is dismantled it is important to strictly following these procedures:
the unit must be dismantled by a firm authorised for the disposal of scrap machinery/products
The unit as a whole is composed of materials considered as secondary raw materials and the fol-
lowing conditions must be complied with:
if the appliance contains antifreeze, this should not just be disposed, as it causes pollution
it must be collected and disposed of properly
the electronic components (electrolytic condensers) are considered special waste, and must be
delivered to a body authorised to collect such items
the pipe insulation made of polyurethane foam, polyethylene foam mesh and the sound-absorbing
sponge that lines the panelling must be removed and processed as urban waste

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ORDERING CODE OCU
SPARE PARTS
To order a new OCU, please forwards the following information:
- model number
- serial number
These references can be found on the nameplate. You will find
the nameplate on top of the OCU (Oxygen Control Unit) located
on the left side of the unit
Note: for replacement or defective parts, contact the installer and consult the eneral JAGA warranty
terms.
JAGA OXYGEN REFRESH UNITS OXRE.015
OXRU.015
OXRE.020
OXRU.020
T-air sensor .
T-water sensor .
CO2-Sensor kit
.
Control panel .
Motor / Fan . .
Oxygen Control Unit
(OCU) zie: Bestelcode OCU

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OXYGEN REFRESH UNIT service manual 97
COMPOSITION
OXRE
Control panel
T-water sensor
Filter
Motor / Fan
Filter
Valve*
* not replaceable
OCU
CO-sensor kit
OCU

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OXRU
Control panel
T-water sensor
Filter
CO-sensor kit
OCU
Motor / Fan OCU

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OXYGEN REFRESH UNIT service manual 99
Remove the casing from the device..
! CAUTION: If necessary, disconnect the coiled
cable from the control panel!
loosen the wall screws by  turn so the appliance
can be taken down from the wall.
The t-air sensor is located in the appliance centrifuge housing.
Disconnect the power supply from the unit.
Unscrew the lid and remove it from the appliance.
REPLACING THE TAIR SENSOR
OXRE.015 / OXRU.015 OXRE.020 / OXRU.020
Reference: 24800.00030047
05
0403
0201

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Remove the screw above the OCU (Oxygen Con-
trol Unit).
Remove the sensor by inserting the connector from the inside to the outside through the hole in the
housing.
Open the appliance OCU by sliding it up.
Disconnect the t-air sensor connector from the printed circuit board.
[T-Luchtsensor]
[T-Luchtsensor]
09
08
0706

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OXYGEN REFRESH UNIT service manual 101
Check whether the sensor is in the centrifuge housing, and that it is beyond the reach of the fan.
Connect the new sensor to the (white) connector on the printed circuit board.
[T-Luchtsensor]
[T-Luchtsensor]
Push the new sensor through the hole to the centrifuge housing.
OXRE.015 / OXRU.015 OXRE.020 / OXRU.020
12
11
10

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Mount the OCU.
Replace the lid on the appliance and secure it
with  screws.
Reconnect the power supply.
And lock the OCU with the screw.
Place the appliance against the wall again.
! Screw the  screws so the appliance is fixed.
Mount the housing around the unit.
! CAUTION: If necessary, reconnect the coiled
cable to the control panel.
1817
15 16
1413

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OXYGEN REFRESH UNIT service manual 103
Remove the sensor holder of the low HO battery.
REPLACING THE TWATER SENSOR
Reference: 24800.00030053
05
0403
0201
Remove the casing from the device.
! CAUTION: If necessary, disconnect the coiled
cable from the control panel!
Disconnect the power supply from the unit.
Remove the screw above the OCU (Oxygen Con-
trol Unit).
Open the appliance OCU by sliding it up.

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Remove the faulty sensor by pulling it along the
bottom of the OCU.
Connect the new t-water sensor to the right (red) connector on the circuit board in the OCU.
Place the new sensor through the hole at the bottom of the OCU.
[T-Watersensor]
[T-Watersensor]
[T-Watersensor]
[T-Watersensor]
Disconnect the t-water sensor connector from the
printed circuit board.
07
09
08
06

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OXYGEN REFRESH UNIT service manual 105
Firmly push the water sensor onto the battery of the low HO radiator.
11
Mount the OCU.
Reconnect the power supply.
And lock the OCU with the screw.
Mount the housing around the unit.
! CAUTION: If necessary, reconnect the coiled
cable to the control panel.
13 14
12
10

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Remove the screw above the OCU.Check the condition of cable. If this is still in
good condition, it will not need replacing, go to
step 11.
If it does need to be replaced, proceed to step 6.
Slide the CO sensor upwards to remove it from
the OCU.
The CO sensor is located on the side of the OCU
(Oxugen Control Unit).
REPLACING THE CO2 SENSOR KIT
» step 11
» step 06
Reference: 38811.160701
Remove the casing from the device..
! CAUTION: If necessary, disconnect the coiled
cable from the control panel!
Disconnect the power supply from the unit.
0605
0403
0201

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OXYGEN REFRESH UNIT service manual 107
And lock the OCU with the screw. To continue: go
to step 13.
Mount the OCU.
Disconnect the CO sensor connector from the
printed circuit board and connect the new sensor
in the same place.
[CO2 sensorkit]
CO2
sensor
[Water temp sensor]
Open the appliance OCU by sliding it up.
And connect the new CO sensor to the cableDisconnect the sensor from the cable.
1211
1009
0807

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Mount the housing around the unit.
! CAUTION: If necessary, reconnect the coiled
cable to the control panel.
Reconnect the power supply.Slide the new CO sensor in the OCU slots provi-
ded for this purpose.
15
1413

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OXYGEN REFRESH UNIT service manual 109
Remove the casing from the device.Check the condition of cable. If this is still in
good condition, it will not need replacing, go to
step 13.
If it does need to be replaced, proceed to step 6.
Remove the appliance control panel.Unplug the coiled cable from the control panel.
Disconnect the power supply from the unit.Remove the grille from the (low HO) housing.
REPLACING THE CONTROL PANEL
» step 13
» step 06
Reference: 24800.00030042
0605
0403
0201

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[Bedieningspaneel]
MODE
And lock the OCU with the screw.Mount the OCU.
Disconnect the control panel connector and insert the new cable into the appropriate connector on
the printed circuit board.
Open the appliance OCU by sliding it up.Remove the screw above the OCU.
1110
09
0807

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OXYGEN REFRESH UNIT service manual 111
Reconnect the power supply.
Place the grille back on the appliance.
Adhere the panel in the desired position, and
apply pressure for  seconds.
Remove the protective layer from the adhesive
zone on the bottom side of the new control panel.
Connect the coiled cable to the new control
panel.
Ensure the location where the control will sit is
clean and free of grease.
Mount the housing around the unit.
1716
1514
1312

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For OXRE. and OXRU. appliances, the motor bracket fits horizontally.
For OXRE. and OXRU. appliances, the motor bracket fits vertically.
REPLACING THE MOTOR/FAN
Reference: MOTOR R3G140: 24590.0004002
00
OXRE.015 / OXRU.015 OXRE.020 / OXRU.020
Remove the casing from the device..
! CAUTION: If necessary, disconnect the coiled
cable from the control panel!
Disconnect the power supply from the unit.
Loosen the wall screws by  turn so the appliance
can be taken down from the wall.
Unscrew the lid and remove it from the appliance.
0403
0201