Jakka JRH(B)70/900 User manual
Manual
JR(H/V)(B)70
JAKKA heat recovery unit
JAK-KAGROUP
december
2019
www.jakkagroup.com
J.8.Г
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Content
About units
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2
Installation
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3
Maintenance
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9
Troubleshooting
........................................................................
10
About units
JR(H/V)(B)70
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2
SAFETY STANDARDS AND “CE” MARKING
Our technicians are steadily engaged in research and development of more and
more efcient products in compliance with the safety “standards” in force.
The standards and suggestions contained herein reflect the safety standards
in force and, therefore, are mainly based on the compliance of said general
regulations.
Consequently, we would suggest all people exposed to risks to comply the acci-
dent prevention regulations in force in their respective countries.
JAKKA GROUP are exempted from any responsibility attributable to damage
caused to persons and things resulting from the non-compliance with the safety
standards and any product modifications.
The CE marking and the relevant declaration of conformity prove the conformity
to the applicable community regulations.
The products which are not provided with the CE marking must be certied by
the purchaser who shall have to certify the conformity of the whole plant.
Units are as prescribed by:
- Machinery directive 2006/42/EC
- Low voltage directive EEC 2006/95
- Electromagnetic compatibility directive 2004/108/EC
And in accordance with the following harmonized standards:
EN 60204-1:2005; EN 305:1997;EN 61000-6-3:2007
GENERAL
The safety protection devices may not be removed if this is not absolutely
necessary.
In this case, suitable measures to point out the possible danger shall be imme-
diately taken. The restoration of said protection devices on the product shall take
place as soon as the reasons for the temporary removal cease.
All (ordinary and extraordinary) maintenance interventions shall be carried out
with disconnected machine and electrical and pneumatic supply. In order to avoid
the risk of possible accidental starts, provide the electric panels, the central units
and the switchboards with warning signals with the following reading “caution:
control disconnected for maintenance works”.
Before connecting the electrical supply cable to the terminal board make sure
that the line voltage is in compliance with the voltage stated on the machine
plate.
If the supply cord is damaged it must be replaced by the manufacturer or authori-
zed service center or qualified personnel to avoid dangerous situations
Replace the product labels if, with the passing of time, they should become
illegible.
The device should not be used by persons (including children) with reduced phy-
sical, sensory or mental capacities, or lack of experience or knowledge, unless
they have been given, through the intermediary of a person responsible for their
safety, supervision or instruction concerning use of the appliance.
Children should be supervised to ensure that they don't play with the device.
MAINTENANCE REGULATIONS
The personnel in charge with maintenance must keep to the accident prevention
regulations in force and to the following instructions:
- wear suitable accident prevention clothes
- when the noise exceeds the admissible levels, use protection headsets
- make sure that an interlock is provided so that the machine may not be started
from non-authorized persons
INSTALLATION CONDITIONS
Installation allowed inside the buildings or outdoor, with temperature between
-15° to +50° C
To avoid:
- areas near sources of heat source, steam or liquid flammable and/or explos -
ves gases, dusty areas, proximity to water sources such as baths, showers or
swimming pools
- Do not touch the device with wet or damp hands or feet.
- Do not leave the device exposed to the atmospheric agents.
To consider:
- use the device only for the use for which it was built. The manufacturer can not
be held responsible for any damage caused by improper or incorrect use.
- consider an area where the air flow and noise of the unit don’t disturb the
neighbors;
- minimum space required for the maintenance (as defined below)
- the wall must be suitable to the weight of the unit and don’t cause vibrations;
- a position that does not block passageways or entrances;
- measures to protect the fan vents with special protection to prevent contact with
moving mechanical parts;
The protection degree is IP20.
In case of outdoor installation:
- place the unit in a place sheltered from the weather;
- otherwise, use the weather protective roof (if required, use the weather protec-
tion cowl too).
The protection degree changes in IP22
REMAINING RISKS
The risks of the products have been analyzed according to the Machine Directive.
(all. I of Directive 2006/42/CE)
The present handbook contains information for all persons in charge and has
the purpose to avoid possible damages to persons and/or things attributable to
remaining risks.
IDENTIFICATION SIGNALS
Serial number plate: it states the product data and the manufacturer address.
PROHIBITION SIGNALS
Do not repair or adjust during motion
DANGER/WARNING SIGNALS
They signal the presence of parts under voltage in the container on which the plate
is provided.
GOODS RECEPTION
Each product is carefully checked before shipping.
On goods reception, it is necessary to make sure that products have not suffered
any damages during transport.
Products are loaded on pallets and fastened to them by means of straps and pro-
tection film or in self-supporting cardboard boxes which are fastened to pallets
HANDLING
Before displacing products, make sure that the means of transport employed has
a suitable carrying capacity.
According to the standard 89/391/CEE and following standards, manual lifting is
admissible up to a max. weight of 20 Kg under shoulders level, but over floor level
STORAGE
Store the unit in a sheltered spot, without excessive moisture and not subject to
sudden changes of temperature in order to avoid the formation of condensation
inside the unit.
EXTENDED DOWNTIME
In the event of extended downtime with the unit connected to the system of venti-
lation, close the suction/ injection and periodically check the absence of humidity
inside the machine. In case of condensation, wipe it dry it immediately.
START
Before starting it is opportune to carry out some checks: (follow the safety instruc-
tions in section DISASSEMBLY AND ASSEMBLY):
- Make sure there is no condensation inside the unit, and if necessary,wiipe it dry
before attempting to operate the unit;
- Check thefilters status
- Make sure that the product does not contain any foreign matters and that all
components are fastened in their seats;
- Try manually that the impeller does not rub on the walls;
- Make sure that the inspection door is closed.
CAUTION:
If the fan mouths are not ducted, use a suitable protection net. Check the
earth connection
The electrical connection must be carried out by qualified personnel
DISASSEMBLY AND ASSEMBLY
Before starting any operation, make sure that the product is excluded from any
electrical connection and that the impeller is switched off.
Disassembly and assembly are extraordinary maintenance operations and must
be carried out by qualified personnel
DISPOSAL
Do not dismantle the system themselves: disassembly of the product and
any other party, shall be performed by a qualified installer in accordance
with relevant local and national regulations in force
At the end of its operating life, the appliance should not be treated as household
waste but, as a special waste, must be demolished in a safe recovery and disposal
as required by the European Directive 2002/96/EC.
By ensuring this product is disposed properly, you will help prevent potential nega-
tive consequences for the environment and human health due to the presence of
potentially hazardous substances.
For more detailed information about recycling of this product, please contact your
city hall, your household waste disposal service or the shop where you purchased
the product.
In the event of illegal disposal will apply the sanctions provided by law.
JR(H/V)(B)70
Installation
3
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INSTALLATION OF THE UNIT
CEILING INSTALLATION (horizontal configuration
The unit is equipped with lifting rods in the four unit angles, where
hooking is possible through threaded bars or chains in order to
facilitate ceiling fastening and levelling (see the draw).
After fastening the unit in the right position, carry out the connec-
tion to the ducting, the connection to the supply mains through the
terminal board boxes and the condensate discharge pipe fastening
on the air exhaust side.
JRH(B)70/900
JRH(B)70/2000
JRH(B)70/3000
JRH(B)70/4500
JRH(B)70/5600
MINIMUN SPACES REQUIRED FOR THE ORDINARY MAINTENANCE (in mm.)
Mod. A B C D
360
535
630
855
855
400
400
500
500
500
400
600
700
900
900
820
1040
1270
1300
1300
A
C
BDD BB
HORIZONTAL CONFIGURATION (top view)
NO FAN POSITIONING IS PERMITTED ACCORDING TO SCHEMES OTHERS THAN THE ABOVE SCHEME
fresh air
exhaust air
AH BH CH
Standard configuration
DH EH
electric board
FH GHHHIH
Installation
JR(H/V)(B)70
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4
DV
NO FAN POSITIONING IS PERMITTED ACCORDING TO SCHEMES OTHERS THAN THE ABOVE SCHEME
FLOOR INSTALLATION (vertical configuration
The unit is equipped with special supporting feet.
Operation to be carried out by the installer (connection to ducting,
connection to supply mains).
See the description for the horizontal configuration.
The steam trap is one and presettled by the manufacturer.
Mod. A B C
400
600
700
900
900
820
1040
1270
1300
1300
920
1140
1370
1300
1300
MINIMUN SPACES REQUIRED FOR THE ORDINARY MAINTENANCE (in mm.)
B
C
A
100
VERTICAL CONFIGURATION (tfront view side inspection)
INSTALLATION OF THE UNIT
- front view side inspection -
BV
Standard configuration
fresh air
exhaust air
AV CV
electric board
JRV(B)70/900
JRV(B)70/2000
JRV(B)70/3000
JRV(B)70/4500
JRV(B)70/5600
JR(H/V)(B)70
Installation
5
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MOUNTING OPERATION OF CONDENSATE DRAINAGE
INSTRUCTIONS TO ASSEMBLE THE CONDENSATE DRAIN
1) OPEN INSPECTION PANEL 3) CLOSE THE INSPECTION PANEL
2) POSITION THE WASHER, INSERT THE CONDENSATE DRAIN INTO HOLE AND SCREW THE UNIT
Installation
JR(H/V)(B)70
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6
Ø 23
95
185
CONDENSATE DRAINAGE INSTALLATION (SIPH)
INSTALLATION OF WATER COIL AND ELECTRIC HEATERS
It's possible to install the optional PRE or POST heating devices such as water coils or
electric heaters (in the only possibile position, as showed in the picture)
These accessories are equipped with male/female spigots for the ducting connection and can
be installed on delivery and/or suction mouths of the units (direct installation) or in the circuit
of ducts (remote installation).
INSTALLATION OF THE WEATHER PROTECTION COWL
The weather protection cowl SKMF-R is recommended to protect ejection and suction mouths in case of installation outside the units ( birds, rain, etc.).
BA-AC
RCF
Electrical heater
| WRONG INSTALLATION
Electrical heater
RIGHT INSTALLATION
ONLY POSSIBLE POSITION
The unit is equipped with condensate drainage to evacuate the water during
normal operation.
Should always be provided with a drain pipe siphon and minimum slope of
3% in order to avoid stationing of condensate.
The siphon is essential for the proper functioning of the machine in order to
10,5
avoid sucking air and allow the natural flow of condensate
JR(H/V)(B)70
Installation
7
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MOUNTING OPERATION OF EXTERNAL WEATHER PROTECTIVE CANOPY (T)
JRH70 without by-pass horizontal configuration (JRH70)
It is recommended to protect the unit installed outside by an external weather protective canopy (T)
JRH70 with by-pass horizontal configuration (JRHB70)
Installation
JR(H/V)(B)70
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8
JRV70 with/without by-pass vertical configuration (JRV70 / JRVB70)
JR(H/V)(B)70
Maintenance
9
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MAINTENANCE AND CLEANING OF FILTERS AND HEAT EXCHANGER
123 4
5
MAINTENANCE AND CLEANING OF FILTERS
With side access
123 4
6
5
With beneath access
PRECAUTIONS IN HANDLING THE HEAT EXCHANGER
Recommended periodical maintenance
Filter replacement:
variable depending on environment air pollution (dust, fume ...)
Recommended periodical maintenance
Exchanger cleaning:
1 operation season approximately
This manual suits for next models
9
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