INSTALLATION, OPERATING
AND MAINTENANCE
AIR COOLED AND WATER COOLED ROOFTOP PACKAGED UNITS
BALTIC
BAC/BAH
24 - 85 kW
BALTICIV-IOM-1711-E
www.lennoxemea.com
TABLE OF CONTENTS
BALTIC
Installation, operating
and maintenance
Ref : BALTIC-IOM-1711-E
INSTALLATION MANUAL
3
SERVICE MANUAL
38
CERTIFICATES
84
Original version is the English one. Other versions are translations.
All the technical and technological information contained in this manual, including any drawing and technical descriptions provided by us,
remain the property of Lennox and must not be utilised (except in operation of this product), reproduced, issued to or made available to third
parties without the prior written agreement of Lennox.
BALTIC-IOM-1711-E
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BALTIC-IOM-1711-E
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TABLE OF CONTENTS
BALTIC
INSTALLATION MANUAL
INTRODUCTION
4
TRANSPORT & HANDLING
Mandatory handling devices
Dimensions and weights
Minimum clearance around the unit installation
Fork lifting the unit
Removing the forklift protection located under the machine
8
9
10
10
10
LIFTING THE UNITS
Lifting the unit with a crane
Lifting the roof curbs
12
13
DELIVERY CHECKS
Rating plate
Storage
Maintenance key
Condensate drains
Preliminary checks
Installation requirements
Connections
14
14
14
15
15
15
15
INSTALLATION ON A ROOF MOUNTING FRAME
Roof opening dimensions
Sealing checks
Leveling adjustable roofcurbs
17
17
17
NON ADJUSTABLE NON ASSEMBLED ROOFCURB INSTALLATION
Frame parts packing
Installation
Assembly
Securing the frame
20
21
21
21
CURBING AND FLASHING
Sealing checks
Curbing and flashing
22
22
DUCT CONNECTIONS
23
ELECTRICAL CONNECTION
24
WATER COOLED UNITS
25
HEAT RECOVERY
General description
Plate heat recovery - Configurations
Plate heat recovery - Installation
Thermodynamic heat recovery - Configurations
Thermodynamic heat recovery - Installation
Thermodynamic heat recovery - Control
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29
30
31
33
34
36
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INTRODUCTION
Safety codes & regulations
THE UNIT MUST BE INSTALLED IN ACCORDANCE WITH LOCAL SAFETY CODES AND REGULATIONS AND CAN ONLY BE
USED IN WELL VENTILLATED AREA.
PLEASE READ CAREFULLY THE MANUFACTURER’S INSTRUCTIONS BEFORE STARTING THIS UNIT.
INSPECTIONS AND REQUALIFICATION ACCORDING PRESSURE EQUIPMENT DIRECTIVE MUST FOLLOW THE LOCAL
REGULATIONS WHERE THE UNIT IS INSTALLED.
EMC DIRECTIVE COMPLIANCE
WARNING:
This equipment is a “B class” (or “A class“ if equipped with EBHO or ERVF option) according EMC Directive. The units meet the
following hardest environments standards:
EN 61000-6-3: program for environment residential, commercial and light industry (or EN 61000-6-4 if equipped with EBHO or ERVF
option)
EN 61000-6-2: immunity for industrial environments.
In emission devices having a rated current I < 75A:
- The short-circuit ratio Rsce is: 33 (EN 61000-3-12)
- The maximum network impedance authorized Zmax is: 0.30 Ohms (EN 61000-3-11)
The differences between the various machines are only related to the power of the compressors and equipment that there are
associated. For conducted and radiated emission and immunity, these differences do not alter the results.
Important note for unit fitted with gas burner:
THIS MANUAL IS ONLY VALID FOR UNITS DISPLAYING THE FOLLOWING CODES:
GB
IR
GR
DA
NO
FI
IS
In case these symbols are not displayed on the unit, please refer to the technical documentation which will eventually detail any
modifications required to the installation of the unit in a particular country.
• If machine is including gas burner, minimum clearance around the unit must be at least 8 m to allow a proper gas flue dilution. If
not possible, the fresh air intake must be ducted at least 8 m away from the gas burner exhaust.
• The gas burner air intake and exhaust chimney must not be modified or ducted.
• Before commissioning this type of unit, it’s mandatory to ensure that the gas distribution system is compatible with the adjustments
and settings of the unit.
• Gas module can only be used for outdoor installations.
• Any work on gas module must be carried out by qualified engineer.
F-Gas REGULATION
Operators of refrigeration equipment’s must comply with the obligations defined in:
EU Regulation No 517/2014 on fluorinated greenhouse gases
EC 1005/2009 on substances that deplete the ozone layer
Non compliance with these requirements is an offence and liable of financial penalties.
Moreover, in case of problem it is mandatory to prove to the insurance company that the equipment complies with the F-gas
Regulation.
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INTRODUCTION
WARRANTY
The warranty of the unit is subject to the warranty definitions as agreed upon in the order.
It is expected that the design and installation of the unit utilises good working practices.
The warranty will be legally null and void if:
• Service and maintenance have not been executed in accordance with the regulations; repairs have not been carried out
by LENNOX personnel or have been implemented without prior written permission by LENNOX.
• Modifications have been made to the equipment without prior written permission by LENNOX.
• Settings and protections have been modified without prior written permission by LENNOX.
• Non-original or other than the prescribed refrigerants or lubricants are used.
• The equipment has not been installed and/or connected in accordance with the installation instructions.
• The equipment is being used improperly, incorrectly, negligently or not in accordance with its nature and/or purpose.
• A flow protection device is not fitted.
In these circumstances LENNOX is indemnified from any product liability claims from third parties.
In the event of a warranty claim the machine serial number and LENNOX order number must be quoted.
WARNING - All the technical and technological information contained in this manual, including any drawing and technical descriptions
provided by us, remain the property of LENNOX and must not be utilised (except in operation of this product),reproduced, issued to or
made available to third parties without the prior written agreement of LENNOX. The technical information and specifications contained
in this manual are for reference only. The manufacturer reserves the right to modify these without warning and without obligation to
modify equipment already sold.
SAFETY
The safety information contained in this manual is provided as a guide for the safe handling of this installation. LENNOX
does not vouch for the completeness of this information and can therefore not accept liability for any possible omissions.
In the roof tops, heat is being transported by a pressurised refrigerant, with changes in pressure and temperature. For air cooled roof
tops, fans have been provided to discharge heat into the environment. The protection of operating and maintenance personnel was
central in the design of the roof top. Safety features have been included to prevent excessive pressure in the system. Sheet metal
parts have been fitted to prevent inadvertent contact with (hot) pipes. For air cooled roof tops, the fans are equipped with protective
grids and the electrical control panel is completely touch-proof. This excludes some parts operating at a safe voltage (< 24 Volt). The
service panels can only be opened using tools.
The electrical control panel is completely touch-proof. This excludes some parts operating at a safe voltage (< 50 Volt). The service
panels can only be opened using tools.
Notwithstanding that the roof tops are equipped with extensive safety and protection features, the utmost care and attention
is needed when carrying out operations on the machine. Furthermore, ear protection should be worn when working on or
in the vicinity of the roof tops. Operations on the cooling circuit or electrical equipment should be carried out by authorised
personnel.
It is essential to follow non exhaustive recommendations hereunder:
• Never work on a unit that is still energized.
• Any manipulation (opening or closing) of a shut-off valve must be carried out by a qualified and authorised engineer. These procedures
must be carried out with the unit shut-down.
• Never work on any of the electrical components, until the general power supply to the unit has been cut. During any maintenance
operations on the unit, lock the power supply circuit in the open position ahead of the machine. If the work is interrupted, check the
lock before resuming the work.
WARNING: Even if the unit has been switched off, the power circuit remains energized, unless the unit or circuit disconnect switch
is open. Refer to the wiring diagram for further details.
• For some units, a separate 220V power supply may exist, check the electrical wiring for more informations
• In case of maintenance operations on fans (grills replacement …) ensure that the power is shut off to avoid automatic restart.
• Before the opening of the refrigerant circuit, check the pressure with manometers or pressure sensors, and purge the circuits.
• Never leave a unit stopped with valves closed on the liquid line, refrigerant could be trapped and the pressure would rise.
• All installation parts must be maintained by the personnel in charge, in order to avoid material deterioration and injuries to people.
Faults and leaks must be repaired immediately. The authorized technician must have the responsibility to repair the fault immediately.
Each time repairs have been carried out to the unit, the operation of the safety devices must be re-checked.
• Follow guidance and recommendations given in safety and machine standards such as EN378, ISO5149, etc
• Do not use oxygen to purge lines or to pressurize a machine for any purpose. Oxygen gas reacts violently with oil, grease, and
other common substances.
• Never exceed the specified maximum operating pressures. Verify the allowable maximum high- and low-side test pressures by
checking the instructions in this manual and the pressures given on the unit name plate.
• Do not use air for leak testing. Use only refrigerant or dry nitrogen.
• Do not unweld or flame cut the refrigerant lines or any refrigerant circuit component until all refrigerant (liquid and vapour) has
been removed from roof top. Traces of vapour should be displaced with dry air nitrogen. Refrigerant in contact with an open flame
produces toxic gases.
• Do not siphon refrigerant
• Avoid spilling liquid refrigerant on skin or splashing it into the eyes. Use safety goggles. Wash any spills from the skin with soap and
water. If liquid refrigerant enters the eyes, immediately and abundantly flush the eyes with water and consult a doctor.
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INTRODUCTION
Safety definition
The rooftops meet the following safety definitions, and is provided with CE markings if applicable (for further information see EU
declaration).
- EN 378-2016
- Gas Equipment Directive 2009/142/EC
- 2006/42/EC “Machine Directive”
- 2014/35/EU Low Voltage Directive
- EN-60204-1
- 2011/65/EU RoHS Directive
- 2014/30/EU “EMC Directive”
- 2012/19/EU WEEE
- Pressure Equipment Directive 2014/68/EU
- 2009/125/EC Ecodesign (If applicable)
- EU 517/2014 F-Gas
- EC 1005/2009
WARNING
Warning labels
The roof top is marked with the following warning labels to alert to potential hazards (on or near the potentially hazardous part).
High temperatures
Electrical Voltage
Rotating parts
Sharp parts
Regularly check that the warning labels are still in the correct positions on the machine and replace them if necessary.
!
Warning:
1.
Attention: The high-pressure safety switches are essential elements which guarantee the system remains within the admissible
operating limits. Before switching on the installation, always ensure all electrical connections are correct on these elements which
are used to isolate the electrical power supply to the compressor(s) they protect. Carry out a test to ensure the electrical power
supply is effectively isolated when the pressure switch attains its set value.
2.
In case of installation in a seismic zone or in a zone which may be effected by violent natural occurrences such as storms,
tornados, floods, tidal waves, etc…, the installer and/or operator will refer to valid standards and regulations in order to ensure the
devices required are available as our units are not designed to operate under such conditions without prior precautions.
3.
The equipment is not designed to resist fire. The installation site will therefore have to respect valid standards with regard to
protection against fire (emergency instructions, map…).
4.
In case of exposure to corrosive external atmospheres or products, the installer and/or operator shall take the necessary
precautions to avoid damage to the equipment and will make sure the equipment provided has the necessary and sufficient anticorrosion protection.
5.
To respect a sufficient number of supports for the piping according to their size and weight under operating conditions and to design
the piping to avoid a water hammer phenomenon
6.
For technical reasons, it is not possible to carry out hydrostatic tests on all our units so leak tests are carried out as a compensatory
measure. (The entire circuit is checked using leak detectors). For machines charged with refrigerant, at the end of the test, an HP
test is carried out in the factory to make sure the pressure switch is working properly.
7.
Before any work is carried out on the refrigeration circuit, the dry air or nitrogen pressure our units are supplied with must be
released (For units not charged with refrigerant in the factory.)
8.
The emissions of refrigerant via the safety relief valves must be channeled to the exterior of the machine room. The outlet relief
valve will have to be sized in compliance with EN13136.
9.
Installation and maintenance of these machines must be carried out by personnel qualified to work on refrigeration equipment.
10. All interventions must be carried out in conformity with valid safety regulations (e. g.: NF EN 378), as well as the recommendations
indicated on the labels and handbooks provided with the machine. All actions shall be taken to avoid access of unauthorized
persons.
11. It is essential that any pipework or other components of the refrigeration circuit hazardous to people because of their surface
temperature are insulated or identified.
12. Ensure that the installation zone (room or area) of the machine has restricted access and ensure the good condition of the
covering.
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INTRODUCTION
The following note must be followed carefully
Main Safety Recommendations
All work on the unit must be carried out by a qualified and authorised employee.
Non-compliance with the following instructions may result in injury or serious accidents.
Work on the unit:
• The unit shall be isolated from the electrical supply by disconnection and locking using the main isolating switch.
• Workers shall wear the appropriate personal protective equipment (helmet, gloves, glasses, etc.).
Work on the electrical system:
• Work on electric components shall be performed with the power off (see below) by employees having valid electrical qualification
and authorisation.
Work on the refrigerating circuit(s):
• Monitoring of the pressures, draining and filling of the system under pressure shall be carried out using connections provided for
this purpose and suitable equipment.
• To prevent the risk of explosion due to spraying of coolant and oil, the relevant circuit shall be drained and at zero pressure before
any disassembly or unbrazing of the refrigerating parts takes place.
• There is a residual risk of pressure build-up by degassing the oil or by heating the exchangers after the circuit has been drained.
Zero pressure shall be maintained by venting the drain connection to the atmosphere on the low pressure side.
• The brazing shall be carried out by a qualified brazier. The brazing shall comply with standard NF EN1044 AG107 (minimum 30%
silver).
Replacing components:
• Replacement of components shall be carried out using spare parts, or using parts approved by LENNOX.
• Only the refrigerant shown on the manufacturer’s nameplate shall be used, to the exclusion of all other products (refrigerant
blends, hydrocarbons, etc.).
Transport – Handling- Access:
• Never lift the unit without forklift protections
• Installation of the unit and accessibility must be compliant with the local regulations. Ensure that all access equipments allow
maintenance operation in safety (electrical cabinet, main switch, panels, filter, refrigerant circuit…)
• It is strictly forbidden to walk or store equipment or material on top of the rooftop unit
• Equipment designed to withstand transport and handling according to the established protocol (for the handling protocol, please
refer to the installation instructions for the relevant product range).
• All unloading operations must be carried out with suitable equipment (crane, forklift truck, etc.).
• When using a forklift truck, you must respect the positions and the direction of handling indicated on the products.
• The equipment must be handled with care to avoid damage to the bodywork, pipework, condenser, etc.
Rooftop installation in heavy wind locations
• The roofcurbs (vertical & horizontal) and rooftops installations are designed to withstand winds up to 80 km/h. Above this limit, it’s
recommended to take appropriate actions to secure the installation.
• Ensure the fresh air inlet does not face prevailing wind direction.
Filters:
• Do the filters fire classification’s choice according to local regulations.
Fan compartment:
• Stop the power before accessing the fan compartment.
Warning: the unit is working under pressure. Never open the panels when the unit is working. Even after shutting down the unit,
wait for 2 minutes until the fans are completely stopped before opening any panel.
CAUTION:
In the event of fire, refrigerating circuits can cause an explosion and spray coolant gas and oil.
Gas:
• Any work on gas module must be carried out by qualified personnel
• A unit with gas module must be installed in accordance with local safety codes and regulations and can only be used for outdoor
installation.
Warning:
- The units are not designed to resist to a fire. The installation site must comply with the standards relating to fire protection.
- In case of installation of the units in an area recognized as being potentially at risk for natural phenomena (tornado, earthquake,
tidal wave, lightning...), please follow the standards and regulations, and provide the necessary devices to prevent from these risks.
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TRANSPORT & HANDLING
Mandatory handling devices
MANDATORY HANDLING DEVICES
Handling slings to guide the unit toward
the roof curb
Vacuum lifting beam to position the unit
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TRANSPORT & HANDLING
Dimensions and weights
Machine
Length
(mm)
Width
(mm)
Height
(mm)
Width with
hood
(mm)
Transport
lenght
(mm)
Transport
Width
(mm)
Transport
Height
(mm)
C-box
2283+/-15
2250+/-15
1260+/-15
2683+/-20
2310
2309
1260
D-box
2783+/-15
2250+/-15
1260+/-15
2683+/-20
2810
2309
1260
E-box
3663+/-15
2250+/-15
1260+/-15
2683+/-20
3690
2309
1260
BAH – Air cooled
24
30
38
42
45
52
57
65
75
85
Weight of basic units without any options.
598
600
650
655
847
851
904
914
1134
1136
All weights are given in kg (+/- 5%).
Individual weight of a given rooftop is indicated on the rating plate and on the sale’s offer
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TRANSPORT & HANDLING
Minimum clearance around the unit installation
Figure below show the required clearances and service access around the unit.
IMPORTANT note for unit clearances
• Ensure the fresh air inlet does not face prevailing wind direction.
• If machine is including gas burner, minimum clearance around the unit must be at least 8 m to allow a proper gas flue dilution. If
not possible, the fresh air intake must be ducted at least 8 m away from the gas burner exhaust.
• In case of extraction option, it is recommended to duct fresh air intake.
• An approach ramp must be installed if the unit’s installation requirements tell that it's necessary to reach the main switch, the electrical
cabinet, the compressor and the ventilation compartment. This recommendation is valid for all type of installations.
• It is also important to respect a minimal clearance of 3 meters above of the unit, to allow a good operation of the outdoor fans.
3000
Drain pan clearance (A)
C Box
1150 mm
D Box
1650 mm
E Box
2150 mm
Fork lifting the unit
Do not lift the unit by the side (coil end side or drain pan outlet side). This will damage the unit.
Lift the unit on the long side using a forklift with dimensions according to the figure below.
Do not remove the unit plastic cover while lifting.
Plastic cover must not be removed before
lifting
NO
DO NOT LIFT THIS SIDE
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TRANSPORT & HANDLING
Removing the forklift protection located under the machine
Before installation, remove the forklift protection which is located under machine desk.
IMPORTANT note about forklift protection removal
Take care not to hurt anybody when removing the forklift rails .
Locate the machine on a safe area while removing the forklift rails from the machine.
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LIFTING THE UNITS
Lifting the unit with a crane
Lifting shackles dimensions
Use lifting shackles on each lifting lug located on each angle of the unit. Maximum diameter of the ring shaft = 20 mm.
Lifting belts/straps length
The unit must be lifted using spacing beams to avoid the belts damages to the casing.
Spacing beams must have a length equal to the machine width – i.e 2250 mm.
5m
Spacer Beam
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LIFTING THE UNITS
Lifting the roof curbs
Ducting connection details
The supply and return air ducts can be secured to the 30 mm flanges at the bottom of the roofcurb
Any ducting weight above 100 kg must be fixed independently to other building frames.
Minimum distance: 30 mm
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DELIVERY CHECKS
On receipt of new equipment please check the following points.
It is the customer’s responsibility to ensure that the products are in good working order:
• The exterior has not been damaged in any way.
• The lifting and handling equipment are suitable for the equipment and comply with the specifications of the handling instructions
enclosed here-in.
• Accessories ordered for on site installation have been delivered and are in good working order.
• The equipment supplied corresponds to the order and matches the delivery note.
If the product is damaged, exact details must be confirmed in writing by registered post to the shipping company within 48 hours of
delivery (working days). A copy of the letter must be addressed to LENNOX and the supplier or distributor for information purposes.
Failure to comply will invalidate any claim against the shipping company.
Rating plate
The rating plate provides a complete reference for the model and ensures that the
unit corresponds to the model ordered. It states the electrical power consumption
of the unit on start-up, its rated power and its supply voltage. The supply voltage
must not deviate beyond +/-5 %. The start-up power is the maximum value
likely to be achieved for the specified operational voltage. The customer must
have a suitable electrical supply. It is therefore important to check whether the
supply voltage stated on the unit's rating plate is compatible with that of the mains
electrical supply. The rating plate also states:
•
•
•
•
•
•
year of manufacture
weight of the unit
type of refrigerant used + GWP : Global warming potential
required charge for each circuit
operating Pressure min/max
operating Temperature min/max
CE marking : 3 possible cases
• CE
• CE0038
• Absence of CE marking
Storage
When units are delivered on site they are not always required immediately and are sometimes put into storage. In the event of medium
to long-term storage, we recommend the following procedures:
•
•
•
•
•
•
•
Ensure that there is no water in the hydraulic systems.
Keep the heat exchanger covers in position.
Keep protective plastic film in position.
Ensure the electrical panels are closed.
Keep all items and options supplied in a dry and clean place for future assembly before using the equipment.
Store the unit on an appropriate place (flat surface).
Storage temperature must be respected according to the information given on the rating plate
Maintenance key
On delivery we recommend that you keep the key which is attached to an eyebolt in a safe and accessible
place. This allows you to open the panels for maintenance and installation work.
The locks are ¼ turn + then tighter.
After commissioning, all the panels must be closed and locked.
After any maintenance operation, all the panels must be closed and locked.
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DELIVERY CHECKS
Condensate drains
The condensate drains are not assembled when delivered and are stored in the electrical panel with their clamping collars. To assemble
them, insert them on the condensate tray outlets and use a screwdriver to tighten the collars. The drains must be installed in vertical
position.
Preliminary checks
Before installing the equipment, the following points MUST be checked:
• Have the forklift protections been removed?
• Is there sufficient space for the equipment?
• Is the surface on which the equipment is to be installed sufficiently solid to withstand its weight? A detailed study of the frame must
be made beforehand. The surface on which the equipment is to be installed must be flat. (See next paragraph)
• Do the supply and return ductwork openings excessively weaken the structure?
• Are there any obstructing items which could hinder the operation of the equipment?
• Does the electrical power available correspond to the equipment's electrical specifications?
• Is drainage provided for the condensate?
• Is there sufficient access for maintenance?
• Installation of the equipment could require different lifting methods which may vary with each installation (helicopter or crane). Have
these been evaluated?
• Ensure that the unit is installed in accordance with the installation instructions and local applicable codes.
• Check to ensure that the refrigerant lines do not rub against the cabinet or against other refrigerant lines.
In general, make sure no obstacles (walls, trees or roof ledges) are obstructing the duct connections or hindering assembly and
maintenance access.
Installation requirements
• The surface on which the equipment is to be installed must be clean and free of any obstacles which could hinder the flow of air
to the condensers:
• Avoid installing two units side by side or close to each other as this may restrict the airflow to the condensers, and could limit the
access for maintenance purposes.
• Uneven surfaces are prohibited. The surface must be flat and respect a maximal flatness of 0.5mm per linear meter (in both
directions length and width).
• The surface must support continuously the entire area of the unit/curb (no rubber pad, no spring, no block…).
Before installing a packaged rooftop unit it is important to understand:
• The direction of prevailing winds
• The direction and position of air flows.
• The external dimensions of the unit and the dimensions of the supply and return air connections.
• The arrangement of the doors and the space required to open them to access the various components.
Connections
• Ensure that all the pipe-work crossing walls or roofs are secured, sealed and insulated.
• To avoid condensation problems, make sure that all pipes are insulated according to the temperatures of fluids and type of rooms.
NOTE: The packaging protection fitted on the finned surfaces must be removed prior to start up.
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INSTALLATION ON A ROOF MOUNTING FRAME
Non adjustable roofcurb
Adjustable roofcurb
Exhaust roofcurb
Multidirectionnal roofcurb
WARNING : all multidirectionnal flowcurb and horizontal extraction flow curb must be secured to the ground
using existing fixing holes on the frame.
WARNING : all the roofcurb must be strongly secured to the ground
The contact to the ground must be realized with the entire contact area of the roofcurb (no discontinuous
contact).
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INSTALLATION ON A ROOF MOUNTING FRAME
IMPORTANT NOTE: all the curb must be strongly secured to the ground
The contact to the ground must be realized with the entire contact area of the curb (no discontinuous contact).
Roof opening dimensions
The roof opening dimensions & maximum slope are defined according mechanical drawings.
Sealing checks
IMPORTANT note: Prior to put the machine on the curbs make sure polyethylene foam is fitted on the curb
upper flange side (must be delivered with the curb).
This gasket must be put only on the internal perimeter of the curb
Levelling adjustable roofcurbs
Above all, ensure that all the adjustable returns are facing outward. They could be turned inside-out for transport.
Transport position only
Correct position for installation
Place the roof mounting frame on the trimmer beam by first lining up the inlet and the outlet opening.
After levelling the frame, secure the adjustable returns on the trimmer.
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INSTALLATION ON A ROOF MOUNTING FRAME
IMPORTANT NOTE: Securing the curb
When the roofcurb is correctly positioned, it is essential to secure the assembly with a disconnected stitched welded seam (20 to 30
mm every 200 mm) or self-taping screws (every 200mm) along the outside.
Example with welded seam
Example with screws
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INSTALLATION ON A ROOF MOUNTING FRAME
Positioning the rooftop on adjustable roofcurbs
IMPORTANT note: Prior to put the machine, make sure to put a polyethylene gasket on the curb upper flange
side (must be delivered in the curb package).
This gasket must be put only on the internal perimeter of the curb
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NON ADJUSTABLE NON ASSEMBLED ROOFCURB INSTALLATION
Frame parts packing
Different parts are used in the assembly of this roof mounting frame. There are delivered stacked on a pallet.
Water foam - 5680255T
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NON ADJUSTABLE NON ASSEMBLIED ROOFCURB INSTALLATION
Installation
The roof mounting frame provides support when the units are installed in down-flow configurations.
The non adjustable, non assembled roof mounting frame can be installed directly on decks having adequate structural strength or on
roof supports under deck. See drawing for frame dimensions, location of supply and return air opening
NOTE: frame assembly must be installed flat, levelled within 5mm per linear meter in any direction.
Assembly
The frame is supplied as a single package and shipped folded down for ease of transport and handling. It is easy field assembled as
all parts required are supplied with the frame.
Unit
support
rail
Unit floor
insulation + gasket
Air duct
Fixing
flange
Roof curb
Securing the frame
To ensure proper mating with units, it is mandatory that the roof mounting frame be squared to roof structure as follows:
• With frame positioned levelled in the desired location on roof trusses, tack weld corner of frame.
• Measure frame diagonally from corner to corner as shown above. These Dimensions must be equal in order for the fame to be square.
• It is extremely important to sight frame from all corner to ensure it is not twisted across. Shim frame under any low side. The maximum
slope tolerance is 5mm per linear meter in any direction.
• After the frame has been squared, straightened and shimmed, weld or secure the frame to the roof deck.
NOTE: It must be securely fastened to the roof as per local codes and regulations.
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CURBING AND FLASHING
Sealing checks
IMPORTANT NOTE: After assembling the kit curb and prior to put the machine on it, make sure to put a polyethylene foam on the curb upper flange side (must be delivered in the curb package).
This gasket must be put only on the external perimeter of the curb
CURBING AND FLASHING
Check that the insulation is continuous, counter flash and seal around the frame as shown.
CAUTION: To be effective, the upstream must end below the drop edge. Where pipes and electrical conduits extend through the roof,
flashing must conform to local codes of practice
Before installing the equipment, make sure that seals are not damaged and check that the unit is secured to the mounting frame. Once
in position, the bottom of the equipment must be horizontal. The installer must comply with local authority standards and specifications.
Gasket
Rooftop
Sealing
Insulation
Roofcurb
* Check that the roofcurb height is enough to respect a sealing height of 150mm minimum (French DTU 43.3) considering the
building specifications : geometry of the roof, material and thickness of the insulations and other protection layers, slope of the
roof…).
BALTIC-IOM-1711-E
-22-
DUCT CONNECTIONS
RECOMMENDATIONS FOR DUCTS CONNECTIONS
Some rules must be complied with for the connections between ducts and unit done on site.
Whatever the supply configuration is, respect a minimal duct’s length (D) of 2m before any elbow or any duct’s diameter change.
Directional vanes must be fitted inside any elbow fitted in return or supply ductwork closer than 5 meter to the machine connection
flanges.
Horizontal supply
> 2m
< 2m
Vertical supply
> 2m
< 2m
BALTIC-IOM-1711-E
-23-
ELECTRICAL CONNECTION
Accessibility for main switch connection on C-Box (size 24-30-38-42)
In case of full options control panel, the access to connect the power cable to the main switch can be limited. Therefore a
removable hatch is available at the back of the control board (accessible from the ventilation panel). When the cable connection is
finished, it’s important to put the hatch back in its initial position.
BALTIC-IOM-1711-E
-24-
WATER COOLED UNITS
WATER SOURCE HEAT PUMP ONLY
Water connections
The water circulating pump will be preferably installed upstream so that the evaporator/condenser will be subjected to positive pressure. Inlet and Outlet water connections are indicated on the certified drawing sent with the unit or shown in the sales brochure.
The water pipes connected to the unit must not transmit any radial or axial force or any vibration to the heat exchangers.
It is important to follow non exhaustive recommendations hereunder:
•Comply with the water inlet and outlet connections shown on the unit.
•
Install manual or automatic air purge valves at all high points in the circuit.
•
Install a safety valve as well as an expansion tank to maintain the circuit pressure.
•
Install thermometers in both the inlet and outlet water connections.
•
Install drain connections at all low points to allow the whole circuit to be drained.
•
Install stop valves, close to the inlet and outlet water connections and easily accessible for maintenance.
•
Use flexible connections to reduce vibrations transmission.
•
After testing for leaks, insulate all pipe work, to reduce thermal leaks and to prevent condensation.
•If the external water pipes are in an area, where the ambient temperature is likely to fall below 0°C, insulate the piping and add an
electric heater.
•
Ensure full earthling continuity
A drainage plug is located at the base of the evaporator. A drainage pipe may be connected to this to enable drainage of evaporator
water for service operations or for seasonal shut down.
Connections at the inlet and outlet are Victaulic type.
Water analysis
The water must be analysed; the water circuit installed must include all items necessary for treatment of the water: filters, additives,
intermediate exchangers, bleed valves, vents, isolating valves etc... depending on the results of the water analysis.
!
We do not advise operation of the units with open loops which can cause problems with oxygenation, or
operation with untreated ground water.
Use of untreated or improperly treated water can cause deposits of scale, algae and sludge or cause corrosion and erosion. It is
advisable to call in a qualified water treatment specialist to determine what kind of treatment will be necessary. The manufacturer
cannot accept liability for damage caused by the use of untreated or improperly treated water, salt water or brine.
Here are our non exhaustive recommendations given as an indication:
• No NH4+ ammonium ions in the water, they are very detrimental for copper. <10mg/l
• Cl- Chloride ions are detrimental for copper with a risk of perforations by corrosion by puncture. < 10 mg/l.
• SO42- sulphate ions can cause perforating corrosion.< 30 mg/l.
• No fluoride ions (<0.1 mg/l).
• No Fe2+ and Fe3+ ions with dissolved oxygen. Dissolved iron < 5 mg/l with dissolved oxygen < 5 mg/l. Over those values, it means
a corrosion of steel which may generate a corrosion of copper parts under deposite of Fe – this is mainly the case with shell and
tube heat exchangers.
• Dissolved silicon: silicon is an acid element of water and can also lead to corrosion risks. Content < 1mg/l.
• Water hardness: TH >2.8 K. Values between 10 and 25 can be recommended. This will facilitate scale deposit that can limit corrosion
of copper. TH values that are too high can cause piping blockage over time.
• TAC< 100.
• Dissolved oxygen: Any sudden change in water oxygenation conditions must be avoided. It is as detrimental to deoxygenate the
water by mixing it with inert gas as it is to over-oxygenate it by mixing it with pure oxygen. The disturbance of the oxygenation
conditions encourages destabilisation of copper hydroxides and enlargement of particles.
• Specific resistance – electric conductivity: the higher the specific resistance, the slower the corrosion tendency. Values above 3000
Ohm/cm are desirable. A neutral environment favours maximum specific resistance values. For electric conductivity values in the
order of 200-6000 S/cm can be recommended.
• pH: pH neutral at 20°C (7 < pH < 8)
If the water circuit must be emptied for longer than one month, the complete circuit must be placed under nitrogen charge to avoid any
risk of corrosion by differential aeration.
BALTIC-IOM-1711-E
-25-
WATER COOLED UNITS
Use of untreated or improperly treated water can cause deposits of scale, algae and sludge or cause corrosion and erosion. It is
advisable to call in a qualified water treatment specialist to determine what kind of treatment will be necessary. The manufacturer
cannot accept liability for damage caused by the use of untreated or improperly treated water, salt water or brine.
Here are our non exhaustive recommendations given as an indication:
• No NH4+ ammonium ions in the water, they are very detrimental for copper. <10mg/l
• Cl- Chloride ions are detrimental for copper with a risk of perforations by corrosion by puncture. < 10 mg/l.
• SO42- sulphate ions can cause perforating corrosion.< 30 mg/l.
• No fluoride ions (<0.1 mg/l).
• No Fe2+ and Fe3+ ions with dissolved oxygen. Dissolved iron < 5 mg/l with dissolved oxygen < 5 mg/l. Over those values, it means
a corrosion of steel which may generate a corrosion of copper parts under deposite of Fe – this is mainly the case with shell and
tube heat exchangers.
• Dissolved silicon: silicon is an acid element of water and can also lead to corrosion risks. Content < 1mg/l.
• Water hardness: TH >2.8 K. Values between 10 and 25 can be recommended. This will facilitate scale deposit that can limit corrosion
of copper. TH values that are too high can cause piping blockage over time.
• TAC< 100.
• Dissolved oxygen: Any sudden change in water oxygenation conditions must be avoided. It is as detrimental to deoxygenate the
water by mixing it with inert gas as it is to over-oxygenate it by mixing it with pure oxygen. The disturbance of the oxygenation
conditions encourages destabilisation of copper hydroxides and enlargement of particles.
• Specific resistance – electric conductivity: the higher the specific resistance, the slower the corrosion tendency. Values above 3000
Ohm/cm are desirable. A neutral environment favours maximum specific resistance values. For electric conductivity values in the
order of 200-6000 S/cm can be recommended.
• pH: pH neutral at 20°C (7 < pH < 8)
If the water circuit must be emptied for longer than one month, the complete circuit must be placed under nitrogen charge to avoid any
risk of corrosion by differential aeration.
Antifreeze protection
Use glycol/water solution
!
ADDITION OF GLYCOL IS THE ONLY EFFICIENT WAY TO PROTECT AGAINST FREEZING
The glycol/water solution must be sufficiently concentrated to ensure proper protection and prevent formation of ice at
the lowest outdoor air temperatures expected on an installation. Take precautions when using non-passivated MEG
antifreeze solutions (Mono Ethylene Glycol or MPG Mono Propylene Glycol). Corrosion can occur with these antifreeze
solutions with oxygen.
Drain the installation
!
It is important to make sure that manual or automatic air bleeders are installed at all the high points of the water circuit.
To enable drainage of the circuit, make sure that drain cocks are installed at all the low points of the circuit. To drain the
circuit, the drain cocks must be opened and an air inlet ensured.
Note: air bleeders are not designed to admit air.
FREEZING OF A HEAT EXCHANGER DUE TO COLD WEATHER CONDITIONS IS NOT COVERED BY LENNOX WARRANTY.
Electrolytic corrosion
!
We would like to draw your attention to the problems of corrosion due to electrolytic corrosion caused by an imbalance
between earthing points.
AN EXCHANGER THAT IS PUNCTURED BY ELECTROLYTIC CORROSION IS NOT COVERED BY THE UNIT
WARRANTY
BALTIC-IOM-1711-E
-26-
WATER COOLED UNITS
Minimum water capacity
!
The minimum volume of the water circuit must be calculated with the formula here under. If necessary, install a buffer
tank. Proper operation of regulating and safety devices can only be ensured if the volume of water is sufficient.
Vt → Minimum water content of the installation
Q → Chiller cooling capacity in kW
N → Number of control steps available in the unit
Dt → Maximum acceptable temperature rise (Dt = 6°c for an air conditioning application)
Vmini = 86 x Q / (N x Dt)
Water loop configuration
Figure below indicates all components used as standard :
• the victaulic type connections (1)
• the inlet water filter, (2)
• the automatic airvent, (3)
• the electronic water flow switch, (4)
• the pressure taps and drain valves, (5)
• the Plate Heat Exchanger (6)
3
2
1
6
5
BALTIC-IOM-1711-E
4
-27-
WATER COOLED UNITS
Victaulic connection assembly instruction
Be careful not to roll or pinch the seal when installing the half-shells.
This would cause a leak.
1Install the bolts and tighten the nuts by hand on them.
2tighten bolts uniformly passing from one side to the other, until the
pads for the bolts are in metal-metal contact. Make sure the shoulders
are well engaged in the grooves.
It is imperative to tighten the nuts evenly to avoid pinching the gasket.
Water filter replacement
It is important that units are serviced regularly by a qualified technician, at least once every year or
every 1000 hours of operation.
CAUTION: The water circuit may be pressurised. Observe the usual precautions when
depressurising the circuit before opening it. Failure to observe these rules could lead to accidents
and cause injury to service personal.
Access for cartridge cleaning
Pressure loss - Plate Heat Exchanger - Water Filter
Unit size
BALTIC-IOM-1711-E
Exchanger Curve
Filter Curve
45
A
F
52
A
F
57
B
F
65
B
F
75
B
F
85
B
F
-28-
HEAT RECOVERY - GENERAL DESCRIPTION
Heat recovery modules have following interests:
• in winter season and heating mode, the heat in the extract air is exchanged with the fresh air ;
• conversely, in summer season and cooling mode, the heat of the fresh air is transferred to the extract air.
HRMV and HRMH are two plates heat exchanger modules, that differ from each other by their horizontal or vertical configuration.
TRMO is a thermodynamic heat recovery module, included in the machine. Its main interests are:
• a variable fresh air rate from 25 to 100%,
• a high COP in winter when pre-heating the fresh air due to a favorable evaporating temperature, especially with high air flow rate;
• a high EER in summer when pre-cooling the fresh air due to a favorable condensing temperature, especially with high air flow rate.
For those reasons, TRMO will be more suitable than HRMV/HRMH in areas where the difference between indoor temperature and
outdoor temperature is low. For example, in Mediterranean areas, where winter temperatures are not very cold or summer temperatures
are not very high.
BALTIC-IOM-1711-E
-29-
PLATE HEAT RECOVERY - CONFIGURATIONS
VERTICAL FLOW EXHAUST ROOFCURB + VERTICAL HEAT RECOVERY MODULE
VRHS
Fresh air
VRVS
Return
HORIZONTAL EXTRACTION BOX + HORIZONTAL HEAT RECOVERY MODULE
Return
Return
Fresh air
HRHS
HRVS
BALTIC-IOM-1711-E
VRHS
Vertical return - Horizontal supply
VRVS
Vertical return - Vertical supply
HRHS
Horizontal return - Horizontal supply
HRVS
Horizontal return - Vertical supply
-30-
PLATE HEAT RECOVERY - INSTALLATION (ERVF + HRMV)
2c
1. Install the flowcurb according to previous section.
2. Before installing the rooftop:
a. Fix the brackets (5 pieces) on the curb by 24 screws (6x16 mm);
b. ADJUST the position of the attachment bracket so that it is
5 mm above the support surface (without the foam);
c. Install the foam (25x10 mm) on the upper part of the flowcurb.
x4
5 mm
x6
2a
2b
x2
3b
3. a. Fix the lower mounting bar of the heat recovery module
using 4 screws (6x16 mm) and remove the side doors;
b. Make sure that the foam is not damaged (20x15 mm).
4. Install the rooftop and remove the lifting covers.
3a
5
5. Place the two upper mounting bars through the two top slots.
6. Install the heat recovery module on the bracket by taking care
to position properly the lower mounting bar.
Don't forget to remove the lifting covers from the module.
6
4
6
7
7
7. Slide the 'T' plate into the lifting lug and place the bolt through it. On the opposite side, place also the
bolt (detail A).
Detail A
8
8. Finally tighten the heat recovery module with the 4 bolts 8x60mm to compress
the foam (2 bolts on the upper mounting bars (detail B) and the 2 bolts placed
in step 7).
Detail B
BALTIC-IOM-1711-E
-31-
PLATE HEAT RECOVERY - INSTALLATION (EBHO + HRMH)
2b
1. Make sure that the support surface enables to install the
rooftop and the heat recovery module perfectly horizontal.
2. a. Fix the lower mounting bar of the heat recovery module
using 4 screws (6x16 mm) and remove the side doors;
b. Make sure that the foam is not damaged (20x15 mm).
3. Install the rooftop and remove the lifting covers.
4. Place the two upper mounting bars through the two top slots.
2a
5. Install the heat recovery module by taking care to position
properly the lower mounting bar.
Don't forget to remove the lifting covers from the module.
5
5
6
6
6. Slide the 'T' plate into the lifting lug and place the bolt through it. On the opposite side, place also the
bolt ( detail A).
Detail A
7
7. Finally tighten the heat recovery module with the 4 bolts 8x60mm to compress
the foam (2 bolts on the upper mounting bars ( detail B ) and the 2 bolts placed
in step 6).
Detail B
PLATE HEAT ELECTRICAL CONNECTIONS
Two components have to be connected in the space between the plate heat exchanger and the economizer:
• For the air pressostat, connect and tighten the 2 spade-tips on
terminal 1 and 3 (no polarity) :
BALTIC-IOM-1711-E
• For the actuator, assembly the two parts of the connector:
-32-
THERMODYNAMIC HEAT RECOVERY - CONFIGURATIONS
VERTICAL FLOW EXHAUST ROOFCURB + THERMODYNAMIC HEAT RECOVERY MODULE
Fresh air
VRHS
Return
VRVS
HORIZONTAL EXTRACTION BOX + THERMODYNAMIC HEAT RECOVERY MODULE
Return
Return
HRHS
Fresh air
HRVS
BALTIC-IOM-1711-E
VRHS
Vertical return - Horizontal supply
VRVS
Vertical return - Vertical supply
HRHS
Horizontal return - Horizontal supply
HRVS
Horizontal return - Vertical supply
-33-
THERMODYNAMIC HEAT RECOVERY - INSTALLATION
1. REFRIGERATION CIRCUIT
Frigorific components access:
Compressor is located in the fix condenser part. Its access for electrical checking and
pressure taps (HP and LP) is made through the screwed access door behind the hinged
coil.
4-way valve, thermostatic expansion valve, dryer, and sensors are located on the eDrive™ supply compartment.
Electrical components:
• For D and E-box, specific TRMO components are located in the electrical box.
• For C-box, specific TRMO components are located on the back of the electrical box, and can be accessible from the supply e-Drive™
compartment.
2. COMMISSIONING
Electrical connections:
• All wire connections are factory made.
Starting up:
• CLIMATIC™ configuration:
- Power the unit
- Check the configuration of the CLIMATIC™ with the DS in expert mode.
• Flow rate settings:
Make sure that both supply and exhaust air flow are balanced. See section EBHO or ERVF. Balancing is correctly set if:
- with Test = 'B.Nom 100%': at 100% fresh air, set the exhaust Flow 3864 = supply flow 3333;
- then switch Test = 'B.Nom 0%':
1. reduce coefficient 3866 until the louvers are closed;
2. then if the flow (supply and exhaust) is far from the previous flow settings, set coefficient 3335;
3. finally, repeat step 1 and 2 to obtain a constant flow whatever the fresh air mode.
- same settings have to be realized for reduced flow - 3334 and 3865.
WARNING! During the settings, wait until the economizer is fully closed or opened, since it takes 1-2 minutes
to switch.
• Start the TRMO circuit (circuit 3): switch Test='C3--Cool'
- check the sense of rotation of the circuit 3 compressor;
- check frigorific values (HP, LP, overheating and subcooling).
• Repeat the last operations with Test='C3--Heat'
BALTIC-IOM-1711-E
-34-
THERMODYNAMIC HEAT RECOVERY - INSTALLATION
3. SERVICE DIAGNOSTIC
Refrigeration
Fault
Possible causes and symptoms
Solution
Alarm 317: main frigorific issue
Lack of charge, obstructed components
Alarm 327: too low LP
Freezing: wait that coil is defrosted by
exhaust air;
Air flow too low on evaporating side (too low
speed rate / fouled filter or coil).
Incorrect airflow rates
Check fan (exhaust or supply) function of
the mode (Amps) and also filter.
Refrigerant charge too high
Check the refrigerant charge load according
to the refrigerant load table.
Low LP and LP cut out
HP problem and HP cut out
See also frigorific diagnostic of BALTIC™ section 'Refrigeration'.
Indoor or exhaust fan blower:
For both indoor supply fan and exhaust fan, same faults, causes and solutions are expected. See diagnostic of 'Indoor fan blower'.
BALTIC-IOM-1711-E
-35-
THERMODYNAMIC HEAT RECOVERY - CONTROL
1. CONFIGURATION
Configuration of CLIMATIC™ with the DS in expert mode for TRMO (with a modulating exhaust fan):
3813 RECOV. = Comp. for TRMO
3815 EXHAUST = Modulate for both ERVF & EBHO
3816 KIT
3817 Motor
to be checked function of your need
3818 Fan
2. USE
Protection:
• Operating envelop Protection: compressor stopped during 6 minutes.
- 328: min HP = 20.5°C condensation;
- 329: max HP = 62°C condensation;
- 319: min LP = between -24.5°C and 1.6°C (function of the condensation temperature) during 5 min => freezing or air flow on
evaporator issue;
- 327: max LP = 26°C.
- 317: limit LP -27°C during 120 sec => frigorific failure (lack of refrigerant /closed components)
• Anti freezing Protection consist in defrosting the exhaust coil in heating mode with the extract air.
Control
• No specific parameters have to be set for TRMO control.
• Operation:
- TRMO runs if there is heating or cooling needs;
- above 50% fresh air, TRMO compressor has priority to start;
- under 15°C return or under 20% fresh air, TRMO compressor is not authorized to start.
BALTIC-IOM-1711-E
-36-
BALTIC-IOM-1711-E
-37-
TABLE OF CONTENTS
BALTIC
SERVICE MANUAL
COMMISSIONING
Operating limits
Before turning on the power
Wire connection tightness checks
Powering the unit
39
40
40
41
EDRIVE™ VENTILATION
44
FRESH AIR HOOD
48
FILTERS
49
REFRIGERATION CIRCUIT
50
HEATING OPTIONS
Hot water coils
Electric heater
Electrical preheater
52
53
54
GAS BURNERS
Preliminary checks before start-up
Starting up the gas burner
Standard start-up chronology
Burner safety checks
Gas module
55
55
56
59
63
RECOVERY WATER COIL
68
SERVICE DIAGNOSTIC
69
SPARE PART LIST
72
WARRANTY
75
MAINTENANCE PLAN
76
COMMISSIONING RECORD SHEET
79
REFRIGERANT TRANSACTIONS LOGBOOK
81
BALTIC-IOM-1711-E
-38-
COMMISSIONING
!
The components are located inside the units or in a separate box and must be installed by a qualified engineer.
Note: In case of plate heat exchangers it is mandatory that a filter is installed at exchanger unit entrance.
These filters must remove all particles with a diameter greater than 1 mm.
OPERATING LIMITS
Prior to any operation, please checks the operation limits of the unit These tables will give you all necessary information concerning
the operating envelop of the unit.
!
WARNING: It is very important ensure the units operate well inside these envelopes.
Air Cooled Baltic™
Size
24
30
38
42
45
52
57
65
75
85
Max. outdoor temp. at indoor 27°C DB/ 19°C WB
°C
48
46
46
45
48
46
46
46
48
48
Max outdoor temp with unloading
°C
no
50
50
50
no
50
50
50
50
50
Min. outdoor temp. at indoor 20°C DB
°C
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
Max. entering indoor coil temp. at outdoor 38°C DB °C
35
35
35
35
35
35
35
35
35
35
Min. entering indoor coil temp. at outdoor 35°C DB
°C
18
18
18
18
18
18
18
18
18
18
Min. outdoor temp. at indoor 20°C DB (8)
°C
-12
-12
-12
-12
-12
-12
-12
-12
-12
-12
Min. entering indoor coil temp. at outdoor 7°C DB
°C
5
5
5
5
5
5
5
5
5
5
Cooling Mode Operating Limits
Heat Pump Mode Operating Limits
Water Cooled Baltic™
45
52
57
65
75
85
Max. inlet water temp at indoor 27°C DB/ 19°C WB °C
46
46
46
46
46
46
Max. inlet water temp with unloading
°C
48
48
48
48
48
48
Min. inlet water temp. at indoor 20°C DB
°C
25
25
25
25
25
25
Max. inlet water temp 100% fresh air at outdoor 35°C °C
38
38
38
38
38
38
Cooling Mode Operating Limits
Heat Pump Mode Operating Limits
Min. inlet glycoled water temp. at indoor 20°C DB
°C
-15
-15
-15
-15
-15
-15
Min outdoor temp with unloading
°C
-17
-17
-17
-17
-17
-17
Min. entering indoor coil temp. at outdoor 7°C DB
°°C
7
7
7
7
7
7
BALTIC-IOM-1711-E
-39-
COMMISSIONING
!
WARNING: commissioning must only be carried out by trained refrigeration engineers whom
qualification certificates are compliant with the local regulation
Before turning on the power
WARNING: ensure that the power supply includes 3 phases with no neutral
Ensure that the power supply between the building and the unit meets local authority standards and that the cable specification satisfies
the start-up and operating conditions displayed on the name plate.
Wire connection tightness checks
WARNING: check the wire connection tightness
Check the following wire connections for tightness:
• Main switch connections,
• Mains wires linked to the contactors and circuit breakers
• Cables in the 24V control supply circuit.
WATER LOOP CHECK LIST BEFORE START-UP
Check that all drain and purge plugs are in place and well tightened prior to fill the installation with water or brine. Before proceeding
with start-up, even for a test of short duration, check the following points, after having made sure that all the valves on the refrigeration
circuit are fully open (discharge valves and liquid valves).
•
•
•
The liquid pump(s) and other apparatus interlocked with the unit (coils, air handling units, dry coolers, cooling towers,
terminals such as fan coil units, etc.) are in working order as required by the installation and according to their own specific
requirements. Place all water valves and refrigerant valves in their operating positions and start the water circulating pumps.
the condenser water circuit must be ready to operate, filled with water, pressure tested, bled, filter cleaned after 2 hours of
operation of the water pump.
start the pump(s) check the flow of liquid to be cooled through the heat exchangers: note the inlet and outlet water pressures,
and, using the pressure drop curves, calculate liquid flow by applying the following formula:
Actual flow
Q = Q1 x √(P2/P1)
Where
P2 = pressure drop measured on site
P1 = pressure drop published by LENNOX for a liquid fl ow of Q1
Q1 = nominal flow
Q = real flow
Adjust the condenser circuit water flows (via regulating valves, pump speed position..) to come close to the designed conditions
(LENNOX software).
OIL CHARGE
All units are delivered with a complete oil charge, and there is no need to add any oil before start up or afterwards. Overcharging with
oil can cause serious problems on an installation, particularly for the compressors.
Oil Recommendation for LENNOX Roof Tops
Refrigerant
Compressor type
Brand
Oil Type
R410a
Scroll
Lennox
ICI EMKARATE RL32-3MAF or for refill MOBIL
EAL Arctic 22CC
BALTIC-IOM-1711-E
-40-
COMMISSIONING
Powering the unit
Power up the unit by closing the isolator switch (if fitted).
At this point the blower should start unless the CLIMATIC™ does not energise the contactor. Once the fan is running, check the rotation
direction. Refer to the rotation arrow located on the fan.
The fans and compressors direction of rotation is checked during the end of line test. They should therefore all turn in either the right
or wrong direction.
WARNING: a compressor rotating in the wrong direction will fail shortly.
If the fan turns in the wrong direction (the right direction is shown below), disconnect the
main power supply to the machine at the building's mains switch, reverse two phases
and repeat the above procedure.
Close all circuit breakers and power up the unit.
If now only one of the components rotates in the wrong direction, disconnect the power
supply at the machine's isolator switch (if fitted) and reverse two of the component’s
phases on the terminal within the electrical panel.
Check the current drawn against the rated values, in particular on the supply fan.
If the readings on the fan are outside the specified limits, this usually indicates excessive
air flow which will affect the life expectancy. In this case reduce rpm using eDrive™.
While starting the unit, fill in the check list sheet of this manual to be sure that the unit correctly installed and ready to operate.
•
•
•
•
•
•
•
Check the current values per phase on each fan motor.
Check the current values per phase on each compressor motor.
Check suction and discharge pressures and compressor suction temperature.
Check chilled liquid entering and leaving temperatures if water cooled unit
Check outdoor air temperature and indoor temperature
Check liquid refrigerant temperature at the condenser outlet.
Check if DAD is ON.
These verifications should be made as quickly as possible with a stable cooling load, i.e. the cooling load of the installation should
be the same as the capacity developed by the unit. Measurements taken without heeding this condition will result in unusable and
probably wrong values.
These verifications can only be made once the proper operation of all safety devices and unit controls has been established.
Check if the customer's air ducts are open to be sure the unit is not running with ducts closed. In addition it is needed to check if the
airflow and available static pressure are in accordance with the unit.
BALTIC-IOM-1711-E
-41-
COMMISSIONING
CLIMATIC™ configuration
Settings
1. Supply Air-flow adjustement (depending on customer requirements)
a. 3333 = nominal air flow / pressure
b. 3334 = reduced air flow / pressure
c. 3332 = Manual/Automatic
d. 3331 = Nominal/DeadZone/PartLoad/Pressure
2. Exhaust Air-flow adjustement (optional)
a. 3864 = nominal air flow
b. 3865 = reduced air flow
3. Scheduling (depending on customer requirements)
a. Zones & Modes (Night/Day/Day I/ DayII)
b. Setpoints per mode
4. Regulation temperature probe selection
a. Select the regulation probe (DC, Return, Customer, etc.) in the Room Temp. Config screen
5. Regulation humidity sensor selection (optional)
a. Select the regulation sensor (Remote, Customer) in the Room Hum. Config screen
6. Outside temperature probe selection
a. Select the outdoor temp probe (Unit, Customer) in the Outside Temp. Config screen
7. Outside humidity sensor selection (optional)
a. Select the outdoor hum sensor (Unit, Customer) in the Outside Hum. Config screen
8. Air quality sensor selection (optional)
a. Select the air quality CO2 sensor (Remote, Customer) in the CO2 Config screen
9. Remote display configuration
a. 3151 = DC simple / DC full / DM
10. Minimum fresh air
a. 3121 = minimum opening %
BALTIC-IOM-1711-E
-42-
COMMISSIONING
Check:
1. Air-flow Vs Damper
a. Test B.Nom100% :
i. adjust the blower speed % (3333) to get the required air-flow
ii. adjust the exhaust speed % (3864) to get the required air-flow
b. Test B.Nom0%:
i. adjust the damper compensation (3335) to maintain the required air-flow even with damper fully closed
ii. adjust the damper compensation (3366) to maintain the required air-flow even with damper fully closed
2. Filter safety thresholds
a. Test B.Nom100% and Test B.Nom0% : read filter ΔP (3442) and adjust the bigger measure multiplied by 2.5 at threshold 3345
3. Frigorific circuit tests
a. Cooling mode
i. Test C---Cool: (if variable speed compressor option, set speed value)
1. Check circuit pressures and temperatures
2. Check electrical consumptions
b. Heating mode
i. Test C---Heat: (if variable speed compressor option, set speed value)
1. Check circuit pressures and temperatures
2. Check electrical consumptions
4. Unit option tests
a. Electrical Auxiliary heaters (Test H1-1 Full)
i. Check supply temperature
ii. Check electrical consumption
b. Hot Water Auxiliary heaters (Test H1-1 Full)
i. Check supply temperature ii. Check valve opening
c. Gas burner heaters (Test H1-1 Full)
i. Refer to gas burner chapter
d. Electrical Fresh-air pre-heaters (Test H2-1 Full)
i. Check supply temperature
ii. Check electrical consumption
e. Hot water eRecovery heaters (Test H2-1 Full)
i. Check supply temperature ii. Check valve opening
f. TRMO
i. Test C3---Cool:
1. Check circuit pressures and temperatures
2. Check electrical consumptions
ii. Test C3---Heat:
1. Check circuit pressures and temperatures
2. Check electrical consumptions
5. Advanced regulation optimization
WARNING! During the settings, wait until
the economizer is fully closed or opened,
since it takes 1-2 minutes to switch.
a. Compressor ΔT
i. Cooling.
1. Test C1c1 Cool: read │Mix-Supply| temp and adjust compressor stage ΔT at menu 3434
ii. Heating.
1. Test C1c1 Heat: read │Mix-Supply| temp and adjust compressor stage ΔT at menu 3444
b. Auxiliary Heaters ΔT (Gas burner or electrical)
i. Heating.
1. Test H1-1: read │Mix-Supply| temp and adjust heaters stage ΔT at menu 3734
c. Staging sequence (compressor/electrical/water/burners)
i. Aux Heaters Priority 3731= Never/ Always /OutTemp
ii. Pre Heaters Priority 3736= First/Last
d. Dynamic setpoint
i. 3225= ΔT between customer set point and outdoor temperature
e. Fine temperature control
i. Smooth 3231= No/ DeadZone/Comfort
6. Leak Detection
a. Cooling
i. Test C1--Cool: read Subcooling and adjust 3437
ii. Test C2--Cool: read Subcooling and adjust 3438
b. Heating
i. Test C1--Heat: read Subcooling and adjust 3447
ii. Test C2--Heat: read Subcooling and adjust 3448
Once all the settings have been adjusted, the list of parameters must be downloaded (Wizard tool), stored and signed by the customer.
BALTIC-IOM-1711-E
-43-
eDrive™ VENTILATION
eDrive™ assembly instructions & specification (AC version)
The flexible elastomeric tire is removable without removing the plates The
material is natural rubber
Temperature range from -42°C to + 82°C
Easy to assemble
BALTIC-IOM-1711-E
-44-
eDrive™ VENTILATION
eDrive™ mounting (AC version)
eDrive™ assembly is designed to have no adjustment to be made inside the machine
In case of vertical misalignment one could use metallic washer located under the motor to adjust height
Max angular misalignment 4°
Max radial misalignment 3mm
Max axial range 8 mm
Vibration absorbtion
eDrive™ coupling dimensions (AC version)
Coupling
Machine
size
Motor size
kW
Motor shaft
diameter
mm
Fan shaft
diameter
mm
Coupling
reference
Coupling type
PP
Motor moteur
Fan taper
bushing
Ref
ref
C box
1,5
24
25
PV40
2 x Taper lock bushing
28-20 al24
28-20 al25
C box
2,2
28
25
PV40
2 x Taper lock bushing
28-20 al28
28-20 al25
C box
3
28
25
PV40
2 x Taper lock bushing
28-20 al28
28-20 al25
C box
4
28
25
PV40
2 x Taper lock bushing
28-20 al28
28-20 al25
C box
5,5
38
25
PV60
2 x Taper lock bushing
40-25 a38
40-25 al25
D box
2,2
28
30
PV50
1 Taper lock bushing + D30
30-25 al28
30-25 al30
D box
3
28
30
PV50
1 Taper lock bushing + D30
30-25 al28
30-25 al30
D box
4
28
30
PV50
1 Taper lock bushing + D30
30-25 al28
30-25 al30
D&E box
5,5 to 7,5
38
30
PVP50
1 Taper lock bushing + D38
E box
9 to 11
38
40
PV 60
2 x Taper lock bushing
30-25 al30
40-25 al 38
40-25 al 40
eDrive™ airflow reading
eDrive is controling the airflow within the operating range of each kit.
For AC fans airflow rate calculation inputs are rpm and power absorbed output read on the inverter
variable bus, while on EC fans it’s based on supply pressure reading.
BALTIC-IOM-1711-E
-45-
eDrive™ VENTILATION
eDrive™ is protecting the fan & motor against over-speed & over-amps (AC version)
eDrive™ is designed to keep motor and fan in its available operating range thanks to the kit configuration selected in CLIMATIC™
control. The CLIMATIC™ control is limiting rpm & absorbed power. The table below shows the operating ranges per box and kit size.
eDrive™ unit operating ranges (AC version)
Box
C Box
BAH
BAC
D Box
BAH
BAC
E Box
BAH
BAC
Fan type
Motor
kW
AT 15-11 S
1,5
0,80
K1
553
962
3600
4800
3,6
AT 15-11 S
2
0,83
K2
610
1170
3750
6000
4,9
Efficiency
Kit
Comment
rpm
min
rpm
max
Qv min Qv max
Imax
AT 15-11 S
3
0,85
K3
697
1330
4500
7050
6,6
AT 15-11 S
4
0,85
K4
78
1371
5550
8250
8,4
AT 15-11 S
5,5
0,87
K5
882
1417
7200
8400
12,2
ADH 355 L
2,2
0,83
K1
581
939
5500
6900
4,9
ADH 355 L
3
0,85
K2
660
1208
5500
8300
6,6
ADH 355 L
4
0,85
K3
738
1396
6100
9700
8,4
ADH 355 L
5,5
0,87
K4
823
1439
7100
11500
12,2
938
1501
9500
13100
16,3
648
1302
10000
13500
12,2
ADH 355 L
7,5
0,88
K5
AT 15-11 G2L
5,5
0,87
K1
AT 15-11 G2L
7,5
0,88
K2
Fan shaft D30
774
1385
10000
16000
16,3
AT 15-11 G2L
9
0,88
K3
Fan shaft D40
880
1378
10000
17750
17,6
Fan shaft D30
AT 15-11 G2L
9
0,88
K4
Fan shaft D30
880
1417
10000
19000
17,6
AT 15-11 G2L
11
0,89
K5
Fan shaft D40
911
1417
10000
19000
23
Comment
rpm
min
rpm
max
Gas unit eDrive™ operating ranges (AC version)
Box
C Box
BAH
BAC
D Box
BAH
BAC
E Box
BAH
BAC
Fan type
Motor
kW
Efficiency
Kit
AT 15-11 S
1,5
0,80
K1
592
949
3600
4650
3,6
AT 15-11 S
2
0,83
K2
690
1155
3750
5700
4,9
AT 15-11 S
3
0,85
K3
788
1386
4500
6900
6,6
Qv min Qv max
Imax
AT 15-11 S
4
0,85
K4
907
1449
5400
7950
8,4
AT 15-11 S
5,5
0,87
K5
1015
1533
6750
8400
12,2
ADH 355 L
2,2
0,83
K1
ADHE 355
651
929
5500
6500
4,9
ADH 355 L
3
0,85
K2
ADHE 355
727
1206
5500
7900
6,6
ADH 355 L
4
0,85
K3
ADHE 355
826
1409
6100
9300
8,4
ADH 355 L
5,5
0,87
K4
ADHE 355
930
1499
7100
11100
12,2
ADH 355 L
7,5
0,88
K5
ADHE 355
1070
1578
8700
13100
16,3
AT 15-11 G2L
5,5
0,87
K1
Axe D30
760
1310
10000
13000
12,2
AT 15-11 G2L
7,5
0,88
K2
Axe D30
898
1431
10000
15250
16,3
AT 15-11 G2L
9
0,88
K3
Axe D30
994
1476
10000
17250
17,6
AT 15-11 G2L
9
0,88
K4
Axe D30
994
1476
10000
17250
17,6
K5
Axe D30
1072
1525
10000
19000
23
AT 15-11 G2L
BALTIC-IOM-1711-E
11
0,89
-46-
eDrive™ VENTILATION
eDrive™ fan inverter configuration (AC version)
eDrive™ Inverter configuration is prepared in the factory to communicate with CLIMATIC™ & to be configured specifically for the
customer machine.
eDrive™ Fan inverter parameters are configured via the CLIMATIC™ unit configuration.
This configuration is selecting the proper parameters to run eDrive™ in its operating range depending on fan type & motor size.
If ever, the Inverter loose fan control (No Fan or Wrong fan speed & Compressor or Heating stay on), one may check the Inverter
configuration as below:
“0.0” will be displayed in this case on the Inverter instead of the regular “0” or “xxx” rpm
Switch to unlock mode:
F700 = 0
F732 = 0
On Inverter, set the TYP parameter to 3 value. (reinitialize the Inverter to the default values) then configure the following setpoints:
F800=1
F801=0
F802=11
F803=0
Then switch OFF the whole machine & then switch ON.
Then the CLIMATIC™ is going to send all the proper machine configuration to Inverter (motor size, fan type, Imax, safety parameters) .
BALTIC-IOM-1711-E
-47-
FRESH AIR HOOD
Installing
The fresh air hood has to be opened and secured during commissioning.
The 3 parts of the fresh air hood have to be assembled thanks to self taping screws delivered in the spare part box
Check the proper position of the black seal on the top of the hood cover.
Wind direction
The prevailing wind has to be taken into account while choosing the machine position on the building roof.
It’s highly recommended to avoid putting the fresh air hood in the prevailing wind direction to avoid water ingress risks.
If this is not possible please contact us to require specific water droplet strainer in the hood section.
WARNING: the fresh air hood cover can hurt your head if you don’t pay attention while turning around the unit.
BALTIC-IOM-1711-E
-48-
FILTERS
Filter replacement
After opening the filter access panel, lift the filter retaining log. The filters can then be removed and replaced easily by sliding the dirty
filters out and clean ones in.
The CLIMATIC™ controller can monitor the pressure drop across the filter
The following set points can be adjusted depeding on the installation.
• “Airflow” in page 3343 = 25Pa by default
• “No filter “ in page 3344 = 50Pa by default
• “Dirty Filter”
in page 3345 = 250Pa by default
The actual pressure drop measured accross the coil can be read on the CLIMATIC™ Display in menu 3342.
The following faults may be identified
• Fault code 001 AIRFLOW FAILURE, if measured ΔP across the filter and coil is below the value set in page 3343
• Fault code 004 DIRTY FILTERS, if measured ΔP across the filter and coil is above the value set in page 3344
• Fault code 005 MISSING FILTERS, if measured ΔP across the filter and coil is below the value set in page 3345.
BALTIC-IOM-1711-E
-49-
REFRIGERATION CIRCUIT
Electronic expansion valve
2 electronic valves types are fitted on BALTIC™: E2V & E3V
Cbox
Model designation
Reference
Dbox
Ebox
24
30
38
42
45
52
57
65
75
85
E2V30
E2V30
E2V30
E3V45
E2V30
E2V30
E2V30
E2V30
E2V30
E3V45
EEV adjustments
EEV allows the control of superheat in biflow operation (see CLIMATIC™ sections).
E2V welding instructions
Electronic expansion valves are sensitive to dust – strainers must be used in case of replacing.
E3V welding instructions
BALTIC-IOM-1711-E
-50-
REFRIGERATION CIRCUIT
Generic refrigerant sketch
Depending on the unit size or the selected options, the number of circuits and compressors can change.
Some connection valve (Schrader type) are available to load/unload the circuit.
Circuit 1
Circuit 2
BEVBS-
Temperature sensor
YP-
Expansion valve
CA-
Check valve
FD-
Filter dryer
BCDB-
BALTIC-IOM-1711-E
Indoor coil
Outdoor coil
Low/High pressure switch
YV-
Cycle reversal valve
MG-
Compressor
-51-
HEATING OPTIONS
Hot water coils
The hot water coil is fitted with a three way proportional valve . Two spanners must be used to
tighten the connections. One spanner must maintain the valve body when connecting the pipework to the main. Failure to do so may damage the pipes joints and invalidates the warranty.
Filling up and starting the system
• Adjust the control for Heating by reducing the simulated ambient temperature down to 10°C
• Check that the red indicators located under the valve actuator are moving correctly with the
signal.(Arrow on the picture)
• Fill the hydraulic system and bleed the coil using the air vents. Check incoming hot water
flow rate.
• Check the various connections for possible leaks
Maximum working pressure:
8 Bars
Maximum working temperature:
110 °C
Freeze protection
Check the hydraulic system contains glycol for protection against freezing. Glycol is the only effective protection against freezing. The
antifreeze must protect the unit against freezing under winter conditions.
Warning: glycol based fluids may produce corrosive agents when mixed with air.
Drain the installation
You must ensure that the manual or automatic air vents have been installed on all high points in the system. In order to drain the
system, check that all the drain valves have been installed on all low points of the system.
Heating hot water coils frozen due to low ambient conditions are not covered by the warranty.
Electrolytic corrosion
Attention is drawn to the corrosion problems resulting from electrolytic reaction created by unbalanced earth connections. Any coil
damaged by electrolytic corrosion is not covered by the warranty.
BALTIC-IOM-1711-E
-52-
HEATING OPTIONS
Electric heater
WARNING: electric heater is connected heater to mains power – risk of electrical shock – switch off the unit
prior to open this section
The BALTIC™ electric heaters are stand alone options which are fitted in the heating section of the unit. As for the hot water coil or
the gas burner this option slides into the heating compartment located under the supply fan.
In order to reduce the pressure drops the airflow is ducted around the shielded resistances. The resistances are made smooth stainless
steel tubes with a capacity of 6W/cm2.
It is protected as standard, against overheat via a high temperature overload protection set at 98°C and located less than 150mm
after the heater itself.
There are two sizes available for each size of unit:
S: Standard heat
H: High heat
The standard heat electric heaters are staged control with 50% or 100%. The high heat version is controlled through a fully modulating
triac.
380V
400V
415V
Module size (kW)
Current
(A)
Cap (kW)
Current
(A)
Cap (kW)
Current
(A)
Cap (kW)
12
16,3
10,8
17,0
11,8
17,8
12,8
24
32,6
21,5
34,0
23,5
35,6
25,6
27
36.7
24.3
38.3
26.6
40.1
28.8
36
48,9
32,3
51,1
35,3
53,3
38,4
45
61.1
40.5
63.8
44.3
66.8
48.0
48
65,2
43,0
68,1
47,0
71,1
51,3
54
73,4
48,4
76,6
52,9
80,0
57,7
BALTIC-IOM-1711-E
-53-
HEATING OPTIONS
Electrical preheater
WARNING: electric pre-heater is connected heater to main power – risk of electrical Shock – switch off the
unit prior to open this section
Pre-heater is running only with high fresh air rate under low outdoor ambient temperature (see setpoint in CLIMATIC™ section).
A metallic filter is installed between air filter & electrical resistance to protect against heat radiations.
WARNING: electric pre-heater metallic filter must not be plugged by dust
Amps per model
size
Size S / H
S 18 kW
C BOX
D BOX
24
30
38
42
26
26
26
26
S 24 kW
E BOX
45
52
57
65
35
35
35
35
S 36 kW
H 36 kW
H 48 kW
H 72 kW
BALTIC-IOM-1711-E
52
52
52
75
85
52
52
104
104
52
69
69
69
69
-54-
GAS BURNERS
Preliminary checks before start-up
Note:
Any work on the gas system must be carried out by qualified personnel.
This unit must be installed in accordance with local safety codes and regulations and can only be used in planed installation conditions
for outdoor.
Please read carefully the manufacturer’s instructions before starting a unit.
Before commissioning a unit with gas burner, it is mandatory to ensure that the gas distribution system (type of gas, available
pressure…) is compatible with the adjustment and settings of the unit.
The gas module safety chain must be checked by a professional before start-up of the product.
Check access and clearance around the unit
• make sure one can move freely around the unit.
• a minimum one-meter clearance must be left in front of the burnt gas exhaust flue.
• combustion air inlet and burnt gas exhaust(s) must not be obstructed in any way.
Supply network pipe sizing
Male threaded connection for gas burner: 3/4”
Check that the gas supply line can provide the burners with the pressure and the gas flow rate necessary to provide the heating
nominal output.
Number of male threaded connections (3/4”)
Unit size
24
30
38
42
45
52
57
65
75
85
S power
1
1
1
1
1
1
1
1
1
1
H power
1
1
1
1
1
1
1
1
2
2
30
38
42
45
52
57
65
75
85
Gas flow - m3/h (for G20 at 20 mbar and 15°C)
Unit size
24
S power
1,9
3,2
5,7
H power
4,5
5,7
11,5
For modulating gas we have just H power for C, D & E-box
• the gas supply of a rooftop gas unit must be realized according to sound engineering practice and the local safety codes and rules.
• in any case the diameter of pipe-work connected to each rooftop must not be smaller than the diameter of the connection on the
rooftop unit.
• make sure that a shut-off isolation valve has been installed before each rooftop.
• check the supply voltage to the exit of the power supply's transformer t3 of the burner: it must be between 220 and 240v.
Starting up the gas burner
Purge the pipe-work near the connection on the ignition control valve for a few seconds.
• check that the unit's treatment “fan” blower is running.
• set the control to “on” this will priorities the gas burner.
• increase the set temperature (room set point temperature) to a temperature higher
than the actual room temperature.
BALTIC-IOM-1711-E
-55-
GAS BURNERS
Control operation sequence
Extraction fan
Smoke extraction fan "ON"
Operations
30 to 45 seconds pre-ventilation
Fire-up spark electrode 4s
Opening of the gas valve
"high heat"
Flame propagation towards the
ionisation probe
If ionisation within 5sec:normal
running
Otherwise fault on gas ignition
control block
After 5 minutes, fault reported on
the CLIMATIC™ controller
If incorrect sequence, refer to the fault analysis table to identify the problem.
BALTIC-IOM-1711-E
-56-
401
400
399
46
398
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
11
29
9
10
8
7
6
5
4
3
2
Time in seconds
1
Standard start-up chronology
GAS BURNERS
Pressure adjustments on Honeywell pressure regulating
valve type vk 4105 g
Pressure regulator adjustment with 300mbar gas supply:
High heat injection pressure checks
• place the tube of the “accurate” manometer to the out port on
the gas injector support bar after having loosened the screw
by one turn.
• the burner must run in high heat mode for this check.
• place the tube of the “accurate” manometer on the inlet pressure
port of the gas regulating valve after having loosened the screw
by one turn
Low heat adjustment
Check and adjust if necessary the valve outlet pressure to 8,4
mbar (G20) / 12,3 mbar for groningue (G25) & 31,4 mbar for
propane (G31)
• Check and adjust if necessary the valve inlet pressure to 20 mbar
(G20) or 25 mbar for groningue (G25) or 37 mbar for propane
(G31). After gas burner ignition.
BALTIC-IOM-1711-E
-57-
GAS BURNERS
Valve electrical control
Low heat injection pressure checks
• switch the control to low heat
• check and adjust if necessary the outlet pressure to 3,5 mbar
(G20) or 5 mbar for groningue(G25) & 14 mbar for propane (G31)
2,90 kΩ
1,69 kΩ
• check these values with an ohmmeter.
• after the adjustment of the low heat, re-verify the high heat
• re-position the stoppers and close the pressure ports
Pressure adjustments table for each type of gas (mbar)
Supply
pressure
Low heat
injection min,
High heat
injection
20,0 +/- 1
3,5 +/- 0,1
8,4 +/- 0,2
G25 (groningue)
25,0 +/- 1,3
5,0 +/- 0,1
12,3 +/- 0,2
G31 (GPL)
37,0 +/- 1,9
14,0 +/- 0,3
31,4 +/- 0,6
Category
G20
BALTIC-IOM-1711-E
-58-
GAS BURNERS
Burner safety checks
Ionisation probe test
• with the gas burner running, disconnect the terminal plug coming
from the ionisation probe to the gas ignition control box.
Smoke extractor pressure switch test
• with the gas burner running, disconnect the flexible tube fitted
to the pressure taping on the pressure switch.
• the flame must disappear and the extraction fan must carry
on running.
• however, no fault will be displayed (gas ignition control block
or CLIMATIC™).
• after reconnecting of the tube, the burner will restart after a
period of 30 to 45 seconds pre-ventilation.
Gas pressure switch test
• with the gas burner running, close the shut off valve located
before the rooftop.
• the flame disappears
• the fan is still running and attempting to restart the burner (restart
cycle 30 to 45 seconds).
• if the ignition probe is not reconnected at the end of the ignition
sequence the burner will stop completely.
• the fault light on the gas ignition control block is on.
• manually reset the gas ignition control block to eliminate the fault
In case of problems refer to the start up sequence flowchart
next page
• the burner stops completely.
• however, no fault light will be displayed on the gas ignition control
block. After 6 minutes, the CLIMATIC™ will display a fault.
• reset the CLIMATIC™.
BALTIC-IOM-1711-E
-59-
GAS BURNERS
Gas burner fire-up sequence
Operation from control
Thermostat GAS =Closed
Supply thermostat limit?
(Auto Reset)
NO
YES
Gas low pressure switch?
NO
YES
Gas ignition control block signal
Extraction fan ON
AIR pressure switch ON
backfire thermostat ON?
NO
YES
Gas control valve closes
BURNER STOPS
Pre-ventilation 30 seconds
Fire-up electrode 4s
Gas valve open
Ionisation 1 second after the end of sparking?
NO
Gas control valve closes
BURNER STOPS
Fault on gas control
block
YES
Gas valve remains open
6 minutes delay
Normal operation
NO
Air press switch ON
or backfire thermostat?
Fault on CLIMATIC™
YES
Signal from ionisation probe still ON?
YES
NO
BALTIC-IOM-1711-E
-60-
GAS BURNERS
Gas burner troubleshouting
If faults reported on CLIMATIC™
• reset the CLIMATIC™.
• check voltage: 230V after circuit breaker.
• check gas isolation shut-off valves are open.
• check gas pressure at the inlet of the gas valves. It must be >20 mbar when the burners shut down.
• adjust the set points to priorities the burner. Increase the value of the room temperature set point to a temperature higher than
actual room temperature.
Diagnostic table baltic gas burner
Stage
Normal operation
Heating requested
L.e.d on
Extraction fan is on
Continuous ventilation
and sparks from fire up
electrode.
Green, yellow & red
l.e.d. ON
Possible fault
Action
Possible solution
All l.e.d. OFF
→ fault on the blower
thermostat
Check connections on the
blower thermostat.
Replace thermostat
Yellow & red l.e.d. OFF
→ lack of gas supply
Check valve’s opening &
supply pressure
Restore gas supply
Red l.e.d. OFF
→ fault on the superheat
thermostat on the gas burner
support bar
Check thermostat’s operation
after manual reset
Replace thermostat
After 10 seconds safety
shutdown by the ignition
control block
Check connections of the
repositioning of the control
control block on the gas valve
block on the valve
Check impedance of electro
Replace valve
valve’s coils: (1) = 2.90kΩ; (2)
= 1.69kΩ
Nothing happens
Check the free movement of
the fan wheel
Check electrical connection
on the gas ignition control
block and on ef connection
board
Check the fan supply voltage
Replace fan
Replace ef connection board
if necessary
Check the fire-up electrode
Check the pressure drop at
the pressure switch: it must
be higher than 165 pa
Continuous ventilation without +check the good operation of
sparks from fire-up electrode the pressure switch using an
ohmmeter and by artificially
creating a depression in the
tube.
Re-position the pressure
switch tube.
Change the pressure switch.
After 4 seconds the gas
burner still not operating
and safety shutdown by the
ignition control block.
Check injection pressure
during start-up (value for high
heat)
Remove the control box from
the gas block.
Remove the air from the gas
pipe-work
Adjust the injection pressure
to high heat value.
Change the control box if the
gas valve is ok.
Within 4 seconds the gas
burner fires-up but safety
shutdown from the ignition
control block.
Check the position and
connection of the ionisation
probe. It must not be earthed
(230v).
Check that r.c circuit of the
gas burner’s transformer is
well connected to the neutral
polarity
Measure the ionisation
current: it must be higher than
1.5 microamps.
Check the type of gas.
Check the whole electrical
supply.
Adjust the supply and
injection pressure if gas is
different from natural gas g20
:( g25 gas of groningue for
example).
Extraction fans are
running
After 30 to 45 seconds:
pre-ventilation the
fire-up electrode should
spark.
After a few seconds the
gas burner fires-up
BALTIC-IOM-1711-E
-61-
GAS BURNERS
Disassembling the gas burner for maintenance purposes
Preliminary safety recommendations
• isolate the unit using the main isolator switch.
• close off the isolating gas valve located before the unit.
• disconnect the pipe-work. Do not discard the seals.
Disassembling the gas «burner support bar»
• disconnect the electrical connector on the electric connection
board BG50
• remove the two screws which hold the gas bar in place
• carefully remove the gas « burner support bar » avoiding any
damages to the electrodes.
Disassembling the flue
• electrically disconnect the fan and remove the screws holding
it in place.
• take care not to loose any cage nuts in the smoke box.
Attention: check the correct position of the pressure tube used by
the extraction pressure switch.
Required equipment list for maintenance adjustment
and start-up
• an accurate manometer from 0 to 3500 pa (0 to 350 mbar):
0,1% full scale.
• a multimeter with ohmmeter and micro-amps scale
• an adjustable spanner
• tube spanner set: 8, 9, 10, and 13.
• flat screwdrivers diameter 3 and 4, fillips n°1
• vacuum cleaner
• paint brush
Gas burner support bar
BALTIC-IOM-1711-E
-62-
GAS BURNERS
Gas module
1
2
3
4
11
5
14
6
13
10
7
9
8
12
1.
Circuit breaker
2.
Transformer 400/230V
3.
Minimum gas pressure switch and inlet pressure plug
4.
Gas valve and solenoid
5.
Gas ignition control block and BG50 connection board
6.
Ignition electrode
7.
Ionisation probe
8.
Gas inshot burner
9.
Gas injectors support bar
10.
Backfire thermostat
11.
Air pressure switch
12.
Outlet pressure plug
13.
Smoke exhaust chimney
14.
Supply safety thermostat
BALTIC-IOM-1711-E
-63-
MODULATING GAS BURNERS
Modulating gas (under patent inpi mai 2004)
The actuator
Bearing surface
of the actuator’s
screw
Minimum opening of the actuator
The actuator receives an information 0-10v from the regulation for
the positioning of the air shutter; then the actuator transmits its
position to the printed-board which will order the valve.
Check position and operation of the actuator
Starting up the gas burner
Purge the pipe-work near the connection on the ignition control
valve for a few seconds.
Disengaging for
hand drive operation
• check that the unit's treatment fan blower is running.
• set the control to “on” this will priorities the gas burner.
• increase the set temperature (room set point temperature) to a
temperature higher than the actual room temperature.
The start of the gas burner must be done at high heat injection.
Manual rotation of
the actuator
BALTIC-IOM-1711-E
-64-
MODULATING GAS BURNERS
Pressure adjustments on honeywell pressure regulating
valve type vk 4105 g
Pressure regulator adjustment with 300 mbar gas supply:
High heat injection pressure checks
• place the tube of the “accurate” manometer to the out port on
the gas injector support bar after having loosened the screw
by one turn.
• the burner must run in high heat mode for this check.
• place the tube of the “accurate” manometer on the inlet pressure
port of the gas regulating valve after having loosened the screw
by one turn
Low heat adjustment
Inlet pressure
Check and adjust if necessary the valve outlet pressure to 8,4 mbar
(G20) (or 12,3 mbar for G25)
High heat adjustment
underneath
• Check and adjust if necessary the valve inlet pressure to 20
mbar (G20) (or 25 mbar for G25) after gas burner ignition
BALTIC-IOM-1711-E
-65-
MODULATING GAS BURNERS
Low heat injection pressure checks
• switch the control to low heat
• check and adjust if necessary the outlet pressure to 1,5 mbar
minimum (G20) (or 2.25 mbar for G25)
• after the adjustment of the low heat, re-verify the high heat
• re-position the stoppers and close the pressure ports.
Pressure adjustments table for each type of gas (mbar)
Category
Supply
pressure
Low heat
injection
mini.
High heat
injection
G20
20,0 +/- 1
1,5 +/- 0,03
8,4 +/- 0,2
G25
25,0 +/- 1,3
2,25 +/- 0,05
12,3 +/- 0,2
G31
NA
NA
NA
Valve electrical control
2,90 kΩ
1,69 kΩ
• check these values with an ohmmeter.
• after the adjustment of the low heat, re-verify the high heat
• re-position the stoppers and close the pressure ports.
BALTIC-IOM-1711-E
-66-
MODULATING GAS BURNERS
Burner safety checks
Idem non-modulating gas burner
Gas burner troubleshouting
Idem non-modulating gas burner.
If the valve’s flow is not correct, check the operation of the actuator and of the mechanical assembly.
→ Replace the actuator if necessary
Disassembling of gas burner for maintenance purposes
Idem non-modulating gas burner
Modulating gas
BALTIC-IOM-1711-E
-67-
RECOVERY WATER COIL
Heat recovery water coil is delivered with a loose 3 ways valve inside carton to be assembled on site by installer.
The freeze protection is made via fresh damper safeties nevertheless for a full freezing protection
has to be done using glycoled water
BALTIC-IOM-1711-E
-68-
SERVICE DIAGNOSTIC
Refrigeration
Fault
Possible cause and symptoms
Solution
Refrigerant charge too low
Measure the superheat and sub-cooling:
Good if 5°c<sc<10°c and 5°c<sh<10°c
Bad if sc>10°c and sh too low
Check superheat adjustment and charge unit (a leak check
must be carried out)
In heat pump mode the temperature
difference between t outdoor and tevap. (dew) If too high check the coils are clean or check coil internal
pressure drop between the liquid line and the suction line
is too high
Good if < 3bar
5°c < delta t < 10°c excellent
Too high if > 3bar (coil blocked)
10°c < delta t < 15°c acceptable
15°c < delta t < 25°c too high
LP problems and
LP cut outs
Refrigeration circuit blocked in distribution
Stop the fan and create icing of the coil.
Check all circuits freeze evenly across the whole surface of
the coil
If some parts of the coil do not freeze this could indicate a
problem with the distribution
Liquid line drier blocked. High temperature
difference between inlet and outlet of the drier
Change filter drier
Contaminant in the expansion valve
Attempt to free the valve adjusting element by freezing the
valve and then heating the thermostatic element. Replace the
valve if necessary
Expansion valve not adjusted properly
Adjust the expansion valve
Ice plug in the expansion valve.
Heat the main body of the valve. If the LP increases and then
decreases gradually, empty the circuit and replace the drier.
Incorrect insulation of the thermostatic bulb of
the expansion valve
Superheat too low: adjust superheat
Move the thermostatic element along the pipe
Insulate the thermostatic element of the valve
Low pressure switch cut out point too high
Check the cut out pressure of the low pressure switch: it must
be 0,7+/- 0,2bar and must closes at 2,24 +/- 0,2 bar
LP cut out due to not enough defrost on heat
pumps
Adjust the CLIMATIC™ settings to extend the defrost cycles
or shorten the time between defrosts
Incorrect airflow rates
Heat pump mode:
check the filter before the indoor coil
measure and estimate the airflow rate
increase the speed of the fan
Cooling mode:
check the condenser fan (amps)
Moisture or contaminants in the system
Summer operation
Several hours after the unit has stopped, check the
correspondence between the measured pressure and the
outdoor temperature
HP problems and HP cut outs
BALTIC-IOM-1711-E
-69-
SERVICE DIAGNOSTIC
Refrigeration
Fault
Possible cause and symptoms
Solution
Moisture or contaminants in the system
If the circuit pressure is higher (<1 bar) than the saturated
pressure corresponding to the measured outdoor temperature,
there is possibility that some contaminants are present in the
system.
Reclaim the refrigerant, and vacuum the circuit (ensure very
low and slow vacuum for R410A)
Recharge the unit
Condenser coil is obstructed
Check the condenser coil and clean is necessary
Recycled hot air
Check clearance around the condenser
Incorrect adjustment of the expansion valve
Low refrigerant charge
Filter drier obstructed with gas bubbles at the
expansion valve inlet
Moisture in the system
Refer to LP problems and LP cut out section
Very high superheat, very hot compressor
Reduce the superheat on the electronic valve.
Check the pressure drop on the filter drier in the suction line
Four way reversing valve possibly blocked,
abnormal noise from the valve, low LP and
increasing HP
Check operation of the valve by going through cycle
inversions. Change if necessary.
Refer to LP problems
Fault
Possible cause and symptoms
Solution
High amps on action fan motor
Pressure drop in the ducting installation too
low.
Reduce the rotation speed of the fan
Read the airflow and pressure and compare with the
specification from customer.
High amps on reaction fan motor
Pressure drop in the ducting installation too
high.
Reduce the rotation speed of the fan
Read the airflow and pressure and compare with the
specification from customer.
Unstable running and high
vibration
Fan jumping from one operating point to the
other
Change rotation speed of the fan.
Possible cause and symptoms
Solution
HP problems and HP cut outs
Strong variations of pressure
( 2 to 3 bar) expansion valve
"hunting"
Very high discharge temperature,
High amps measured at
compressor
Indoor fan blower
Outdoor axial fan
Fault
High amps due to a low voltage from the main Check the voltage drop when all components are running.
supply
Change the circuit breaker for one with a higher rating.
Heat pump mode: circuit breaker
open
BALTIC-IOM-1711-E
High amps due to freezing of the coil
Check the adjustable amps on the motor starter.
Adjust the defrost cycle set points.
FLEXY™: water ingress in the motor
connection box.
Change the component
-70-
SERVICE DIAGNOSTIC
Electric heater
Fault
Possible cause and symptoms
Solution
Low airflow rate
Measure and estimate the airflow and pressure and compare
with the specification from customer.
High temperature trip out on
electric heater
Incorrect position of the klixon
Check that the klixon, is positioned in the airflow, relocate
klixon if necessary
Check that there is no heat transfer from the klixon support.
Water leaks
Fault
Water found in the ventilation
section
Water ingress in the filter
compartment
Possible cause and symptoms
Solution
Cooling mode:
water carried away from the coil because of
excessive airflow and speed on the coil.
Estimate the airflow rate and check the speed is lower than
2,8 m/s
Low air pressure in the compartment due to
a high airflow rate or a high pressure drop
before the fan
Check filter
Reduce airflow rate
Check seals around the ventilation section.
Check the door seal
Check for the presence of silicone seals in the corners of the
door and at the bottom of the refrigeration section bulkhead.
Water ingress through a leaking fresh air hood Check the seals and flanges in the fresh air hood
Reduce the airflow rate if necessary
or when running 100% fresh air
CLIMATIC™ Displays
Fault
Possible cause and symptoms
Solution
Nothing is written on the screen
but it’s enlightened
Idem
Press on the three right-hand side’s buttons at the same time
during a few seconds then reconfigure display address setting
at 32.
Nothing occurs on the unit or an
option disappeared
Possible problem of units' configuration
Check the instructions from 3811 to 3833 and reconfigure
options if necessary.
The message “no link” appears
Problem of addresses’ recognition
Disconnect the DS from the unit and then reconnect it.
All the units are extinct
Problem main board plan addressing
Disconnect then re-plug; disconnect each unit from the others
then change all the plan addresses
BALTIC-IOM-1711-E
-71-
SPARE PART LIST
BALTIC-IOM-1711-E
Type
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Ventilation
Code
4910018R
4910022X
4910080H
4910090X
4910102R
4910104V
4921047L
4921121V
4921160A
4921161E
4921162F
4921170R
4921171T
4921172V
4950035P
4950040X
4950044E
4950046H
4950053R
4950054T
4950238N
4950266F
4950761J
4950762K
4950763L
4950764M
4950765N
4950766P
Designation
VENTILATEUR AT 15-11 SS D25
VENTILATEUR 230/1/50 HZ
VENTILATEUR AT 15-11 G2L D30
VENTILATEUR ADHE 355 L D30
VENTILATEUR PLUGFAN+VIROLE
VENTILATEUR PLUGFAN+VIROLE
VIROLE PLASTIQUE POUR EBM-450
MOTO VENTIL TRI 400V 2V. D=450
MOTO VENTIL TRI 400V 1V. D=630
MOTO VENTIL TRI 400V 1V. D=710
MOTO VENTIL TRI 400V 1V. D=800
MOTO VENTIL TRI 400V 2V. D=630
MOTO VENTIL TRI 400V 2V. D=710
MOTO VENTIL TRI 400V 2V. D=800
MOYEU FONTE 28-20 ALESAGE 25
MOYEU FONTE 28-20 ALESAGE 24
MOYEU FONTE 40-25 ALESAGE 25
MOYEU FONTE 40-25 ALESAGE 38
MOYEU FONTE 30-25 ALESAGE 25
MOYEU FONTE 30-25 ALESAGE 28
MOYEU FONTE 30-25 ALESAGE 30
MOYEU FONTE 40-25 ALESAGE 30
ROUE PNEUMABLOC PV40 H
ROUE PNEUMABLOC PV50 H
ROUE PNEUMABLOC PV60 H
PNEU PNEUMABLOC P40
PNEU PNEUMABLOC P50
PNEU PNEUMABLOC P60
Type
Moteur
Moteur
Moteur
Moteur
Moteur
Moteur
Moteur
Moteur
Coils
Coils
Coils
Coils
Coils
Coils
Coils
Coils
Coils
Coils
Coils
Coils
Coils
Coils
Coils
Coils
Coils
Coils
Coils
Coils
Coils
Coils
Coils
Code
4521802L
4521806R
4521807T
4521808V
4521809W
4521811Y
4521813A
4521822P
4310488F
4310490J
4310491K
4310494N
4310495P
4310496R
4310501Y
4310505F
4310506H
4310507J
4310508K
4310509L
4310510M
4310511N
4310512P
4310513R
4350489H
4350492L
4350493M
4350499W
4940025V
4940026W
79102834
Designation
MOT IP55 F.B3 1.5KW PTO 4P IE2
MOT IP55 F.B3 2.2KW PTO 4P IE2
MOT IP55 F.B3 3.0KW PTO 4P IE2
MOT IP55 F.B3 4.0KW PTO 4P IE2
MOT IP55 F.B3 5.5KW PTO 4P IE2
MOT IP55 F.B3 7.5KW PTO 4P IE2
MOT IP55 F.B3 9.2KW PTO 4P IE2
MOT IP55 F.B3 11.KW PTO 4P IE2
BAT 4N40T1000 1.81 20V C-BOX
BAT 4N40T1500 1.81 16+10V D-B
BAT 4N40T2000 1.81 2X13V E-BOX
BAT 2N40T0883 2.12 20V C-BOX
BAT 2N40T1383 2.12 20V D-BOX
BAT 2N40T1883 2.12 38V E-BOX
BAT 3N40T1000 1.81 12V C-BOX
BAT 3N24T0750 3.17 12V C-BOX
BAT 3N24T1225 3.17 18V D-BOX
BAT 4N24T1725 3.17 24V E-BOX
BAT 1N38T0970 2.12 4V TRMO-C.
BAT 1N38T1470 2.12 6V TRMO-D.
BAT 1N38T1970 2.12 4V TRMO-E.
BAT 3N20T0885 2.12 5V TRMO-C.
BAT 3N20T1385 2.12 5V TRMO-D.
BAT 3N20T1885 2.12 6V TRMO-E.
BAT 3N40T1818 1.58 10V C-D-BOX
BAT 3N40T2198 1.58 12V E-BOX
BAT 3N40T2198 1.58 12V E-BOX
BAT 2N40T1841 1.58 7V C-D-BOX
VOLET SURPRESSION 397X415 CONJ
VOLET SURPRESSION 750X415 CONJ
U FIXATION PLAQUE BATTERIE
-72-
SPARE PART LIST
Type
Liquid receiver
Liquid receiver
Refrigeration
Refrigeration
Refrigeration
Refrigeration
Refrigeration
Refrigeration
Refrigeration
Refrigeration
Refrigeration
Refrigeration
Refrigeration
4 way valve
4 way valve
4 way valve
4 way valve
4 way valve
4 way valve
4 way valve
4 way valve
4 way valve
4 way valve
Compressor
Compressor
Compressor
Compressor
Filter
Filter
Filter
Filter
Filter
BALTIC-IOM-1711-E
Code
4320047M
4320048N
4720001F
4720002H
4720905K
4720907M
4720931X
4720944R
4720945T
4720964W
4720965X
4720969E
4720971H
4740100M
4740103R
4740146E
4740150L
4740151M
4740152N
4740165J
4740169N
4740170P
4740175X
4220449V
4220450X
4220452A
4220476K
4960128J
4960129K
4960130L
4960132N
4960134R
Designation
RESERVE LIQUIDE VERT. DE 2.4L
RESERVE LIQUIDE VERT. DE 3.0L
CLAPET DE RETENUE 1/2"
CLAPET DE RETENUE 5/8"
DESHYDRATEUR BI-FLOW 5/8"
DESHYDRATEUR A SOUDER 5/8"
CABLE CONNECTEUR 3M E2V-E3V U.
DETENDEUR ERZE-4-GA 3/8"X1/2"
DETENDEUR ERZE-6-GA 1/2"X5/8"
VANNE DET.ELECTRO - CORPS E2V
VANNE DET.ELECTRO - CORPS E3V
VANNE DET.ELECTRO - BOBINE E2V
VANNE DET.ELECTRO - BOBINE E3V
VANNE 4 VOIES 5/8"
BOBINE ELECTROVANNE 24V
VOLET 750X412 C-BOX BA3 EBHO
VOLET 750X891 C-BOX BA3
VOLET 1250X891 D-BOX BA3
VOLET 1750X891 E-BOX BA3
BOBINE ELECTROVANNE 24V
VANNE 4 VOIES 7/8" - 1"1/8
VOLET 1750X417 F-BOX FA1
VOLET 1250X417 D-BOX BA3 EBHO
COMPRESSEUR ZP72KCE TRI+BRASE
COMPRESSEUR ZP83KCE TRI+BRASE
AMORTISSEURS ZP54-72-83 TANDEM
COMPRESSEUR ZP54KSE TRI+BRASE
FILTRE 530X500X50 EU3 CAMPLANS
FILTRE 530X500X50 EU4 AR300
FILTRE 530X500X98 EU7 GP10
FILTRE METAL EP=10 850 X 455
FILTRE 530X500X50 EU4 RECHARG.
-73-
SPARE PART LIST
Type
Electrical components
Electrical components
Electrical components
Electrical components
Electrical components
Electrical components
Electrical components
Electrical components
Electrical components
Electrical components
Electrical components
Electrical components
Electrical components
Electrical components
Transformer
Transformer
Part
Plate HX
Plate HX
Switch
Switch
Switch
Switch
Switch
Switch
Switch
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Code
4410650A
4410652F
4410653H
4410885X
4411010H
4411029K
4411030L
4411051R
4411059E
4411066N
4411067P
4411074Z
4411103T
4411105X
4430125R
4430131Z
4880100V
4380416P
4380425E
4730050J
4730051K
4730093W
4730097A
4730184H
4730191P
4730192R
4770213W
4770217A
4770219F
4770609E
4770613K
4770623Y
4770629J
4770633N
4770634P
4770643E
4770644L
4770692Z
4770703R
4770705V
4770715K
4770716L
BALTIC-IOM-1711-E
Designation
CONTACTEUR 9A 1 F+1 O A VIS
CONTACTEUR 18A 1 F+1 O A VIS
CONTACTEUR 25A 1 F+1 O A VIS
CONTACTEUR K 9A 24V
CONTACT ADDITIF 2F - LC1K
CONTACTEUR 40A 1 F+1 O 24V
CONTACTEUR 50A 1 F+1 O 24V
RELAIS CONTROL RESEAUX TRI
TRANSFO INTENSITE TI400/5A
TRANSFO INTENSITE TI200/5A
TRANSFO INTENSITE TI250/5A
PEIGNE C60 TRI PAS 24
COMPTEUR ENERGIE IEM3250 (BUS)
FLASQUE PEIGNE ACTI9 3P
TRANSFORMATEUR 160VA 400V/230V
TRANSFORMATEUR 88VA PRIM:400V
PATIN DE GLISSEMENT BATT UF
ECHANG.A PLAQUES ACH230DQ054HG
ECHANG.A PLAQUES ACH230DQ082HG
CONTROLEUR DEBIT COMPACT
CONNECTEUR 5M POUR CONTROLEUR
THERMOSTAT SECURITE INCENDIE
PRESSOSTAT DIFF. AIR PROPORTI.
PRESSOSTAT HP 42.0 BARS OFF
CAPTEUR DIFF. AIR 0-30MBAR.
CAPTEUR DIFF. AIR 0-10MBAR.
CAPTR.PRESS. 4/20MA -1/20 BARS
CAPTR.PRESS. 4/20MA -1/45 BARS
CAPTR.PRESS. 0/5V -1/20 BARS
CABLE AFFICHEURS POUR CL50-60
SONDE D'AMBIANCE CLIMATIC 50
CONNECTEUR MULTI AFFICH DT50
INTERFACE ECHELON SANS PROGRAM
CARTE GAZ MODULANT
CARTE GAZ BG50
CARTE BACNET RS485
CARTE BACNET ETHERNET
CABLE AFFICHEURS POUR CL50-60
AFFICHEUR CLIENT DC60 24V T°
CARTE COMMUNICAT.RS485 CLIM 60
AFFICHEUR MAINTENANCE DS60
AFFICHEUR MULTI-ROOFTOP DM60
Type
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Control
Code
4770613K
4770623Y
4770629J
4770633N
4770634P
4770643E
4770644L
4770692Z
4770703R
4770705V
4770715K
4770716L
4770720R
4770721T
4770725Y
4770728E
4770729F
4770730H
4770731J
4770738T
4780232F
4780415Y
4780417A
4780418E
4780419F
4780421J
4780425N
4780466Y
4780467Z
4780469E
4780470F
4780956V
4781250A
4781252F
4781253H
4781254J
4781255K
4781256L
4781257M
4781258N
4781277R
4781286T
4781290L
4781292N
4781293P
4781300Z
4781301A
4781302E
4781303F
4781305J
4781306M
4781307N
4781309R
4781311V
4781312W
4781313X
4781317F
4781337K
4781338L
4781360N
4781361P
4781363T
Designation
SONDE D'AMBIANCE CLIMATIC 50
CONNECTEUR MULTI AFFICH DT50
INTERFACE ECHELON SANS PROGRAM
CARTE GAZ MODULANT
CARTE GAZ BG50
CARTE BACNET RS485
CARTE BACNET ETHERNET
CABLE AFFICHEURS POUR CL50-60
AFFICHEUR CLIENT DC60 24V T°
CARTE COMMUNICAT.RS485 CLIM 60
AFFICHEUR MAINTENANCE DS60
AFFICHEUR MULTI-ROOFTOP DM60
SONDE NTC [-50+105]°C 3 METRE
SONDE NTC [-50+105]°C 7 METRE
SONDE HYGRO.-TEMP. DE GAINE
CARTE REGULATEUR E-CLI+MEDIUM
CONNECTEURS POUR E-CLI+MEDIUM
CARTE EXTENSION E-BE C.PCOE
CONNECTEURS POUR E-BE C.PCOE
INTERFACE DE COM.LENNOX ONEWEB
INSHOT GAS BURNER (BRULEUR)
THERMOSTAT ANTIGEL-30/+15 AUTO
VARIATEUR FREQUENCE 2.2KW
VARIATEUR FREQUENCE 4.0KW
VARIATEUR FREQUENCE 7.5KW
VARIATEUR FREQUENCE 11.KW
VARIATEUR FREQUENCE 5.5KW
THERMOSTAT SECURITE AUTO 98°C
THERMOSTAT SECU.REARM.MANUEL
VARIATEUR FREQUENCE 1.5KW
VARIATEUR FREQUENCE 3.0KW
SONDE HYGIENE AIR CO2 HUM.MBUS
SERVO-MOTEUR VANNE 0/10V 5833
VANNE 3V DN20 KVS 4
VANNE 3V DN25 KVS 10
VANNE 3V DN32 KVS 16
VANNE 3V DN40 KVS 25
RACCORD V3V DN25 FEMELLE
RACCORD V3V DN32 FEMELLE
RACCORD V3V DN40 FEMELLE
SERVO-MOTEUR 24V SM5 5NM
SERVO-MOTEUR 24V 0-10V 10NM
DETECTEUR DAD NON SECOURU
SOCLE DETECTEUR DE FUMEE
DETECTEUR OPTIQUE DE FUMEE
RELAIS STATIQUE 50A 400V
RELAIS STATIQUE 75A 400V
RELAIS STATIQUE 100A 400V
DISSIPATEUR THERMIQUE 0.7°/W
VANNE GAZ HONEYWELL 220/240V
BOITIER DE CONTROLE DE FLAMME
REGULATEUR HIGH-LOW 4-37 MBAR
PRESSOSTAT GAZ (GAZ NAT-PROP)
BRIDE DROITE AVEC JOINT ET VIS
BRIDE COUDEE AVEC JOINT ET VIS
COUVERCLE BOITIER CTRL FLAMME
DETENDEUR HONEYWELL 10-30 MBAR
AXE SERVO MOTEUR GAZ MODULANT
AXE BOISSEAU BIELLES GAZ MODUL
VANNE GAZ MODULANTE 220/240V
PRESSOSTAT AIR (BRULEUR GAZ)
CLIP FIX. PRESSOS.4781361T-62R
-74-
WARRANTY
Terms and conditions
In the absence of any other written agreement, the guarantee shall only apply to design faults which occur within a 12 month period
(warranty period).
The warranty period starts on the date of commissioning and at the latest six months after the delivery of the Rooftop.
Anti-corrosion warranty
10 year warranty terms and conditions for corrosion to the Rooftop casing:
LENNOX shall guarantee the casing of its Rooftop units manufactured against corrosion for 10 years commencing from the date of
delivery of the material.
The warranty shall not apply in the following cases:
1. If the corrosion of the casing is caused by external damage to the protective layer such as scratches, projections, abrasion, impacts
etc...
2. If the casing is not kept continually clean in the course of maintenance work or by a specialist company,
3. If the casing is not cleaned and maintained in accordance with regulations,
4. If the Rooftop units are installed on a site or in an environment which is known to be corrosive, unless a special protective coating
has been applied by the owner for these applications, which has been recommended by a competent body not linked to the owner
and after carrying out a study of the site.
5. Nevertheless the LENNOX coating is highly resistant to corrosion, the warranty will not be applied for rooftop installed at less than
1000 m away from the sea
Note: With the exception of the casing, the rest of the machine is covered by the warranty of our general terms of sale.
Do not confuse the warranty with maintenance
The warranty will only apply if a maintenance contract has been signed, starting from the date of commissioning, and if the maintenance
contract has actually been performed
The maintenance contract must be made with a specialist, competent company.
The sole effect of any repair, modification or replacement of an item during the warranty period must be to extend the material's
warranty period.
Maintenance must be carried out in accordance with regulations.
If a spare part is supplied after the expiry of the warranty period, it shall be guaranteed for a period equal to the initial warranty period
and will be subject to the same conditions.
We recommend for a contract four inspections per year (every three months), before the start of each season, in order to check the
operation of the equipment in the various operating modes.
Lifetime of the equipment
The refrigerating system is designed for a lifetime of at least 10 years if the safety and maintenance instructions are strictly
respected.
The lifetime of the equipment may be renewed if the periodic requalification certificate is validated by the expert (authorized body
or DREAL)
Disposal of the equipment
Equipment shut-down and recuperation of oil and coolant must be carried out by qualified personnel conform to the
recommendations of standard NF EN 378.
All elements in the refrigeration system such as refrigerant, oil, coolant, filters, dryers and insulating materials must be
recuperated, re-used and/or disposed of in a correct manner (see NF EN 378 part 4). No materials may be discarded into the
environment.
BALTIC-IOM-1711-E
-75-
MAINTENANCE PLAN
Rooftops are generally placed on the roof but can also be installed in technical rooms. These units are very robust but a minimum
regular maintenance is required. Some moving parts in the units can suffer from wear and tear and must be checked regularly (belts).
Other parts can get clogged by dirt carried in the air (filters) and must be cleaned or replaced.
These units are designed to produce cooled or heated air through the use of a refrigeration vapour compression system, it is therefore
imperative to monitor the refrigeration circuit operating pressures and check the pipe-work for leaks.
The table below, details a possible maintenance plan, including the operations to be carried out and the periodicity at which they must
be accomplished. It is recommended to follow such a plan to keep a rooftop unit in good working order. Regular maintenance of your
rooftop will extend its operating life and reduce operating faults
Symbols and Legend :
X
Operation which can be carried out by on-site maintenance technicians.
◆
Operation which must be carried out by qualified refrigeration personnel, trained to operate on this type of equipment.
Note:
• Times are given for information purpose only and may vary depending on the unit size and type of installation.
• Coil cleaning must be carried out by qualified personnel using appropriate methods that won’t damage the fins or the tubes.
• It is recommended to keep a minimum stock of common replacement parts in order to be able to carry out regular maintenance
operations (i.e. filters). You can contact your local LENNOX representative which can assist you in establishing a parts list for each
type of equipment.
• The access ports to the refrigeration circuits MUST be leak checked every time gauges are connected to the service ports.
BALTIC-IOM-1711-E
-76-
MAINTENANCE PLAN
Task
Operating mode
Clean or replace filters:
Disposable, or metal
frame.
Replace filters with new ones if disposable. Vacuum clean or blow the
dirt. Wash and dry carefully. Replace Filter if necessary by an original
Lennox filter.
Blocked filter will reduce the performance of the unit.
THE UNIT SHOULD NEVER BE OPERATED WITHOUT FILTERS
•
Visual check of the oil level
(applicable for units
equipped with sight glass)
and check the oil for acidity
on the refrigerant circuits
Visually check the oil level through the sight glass on the side of the
compressor casing
Test the oil every 3 years and after each intervention on the
refrigerant circuit
•
Clean condensate drain,
indoor coils and outdoor
coils (following local
regulations)
Check condenser fans
Check for the Amps
consumed
Check Smoke detector
Check CLIMATIC™
control, set-points and
variables
Check refrigeration system
for proper functioning
Check clock settings
It's mandatory to clean the external coils, according to the
environment where the unit is located, the frequency of the cleaning
varies from once in a month to minimum twice in a year.
The performance and the sustainability of the machine is based on
the perfect heat exchange.
The use of a neutral pH cleaning product is mandatory.
(WARNING: Fins and copper tubes are very fragile! Any damage
WILL reduce the performances of the unit).
Check the rotation of the fan ( free rotation, detection of vibrations or
bearing noises)
Check for the Amps consumed on all three phases; compare it with
the nominal value given in the electrical wiring diagram.
Check the status of the fan blades and its protections.
Check for the Amps consumed on all three phases; compare with the
nominal value given in the electrical wiring diagram.
Start the unit. Trigger the smoke detector with an aerosol tester.
Reset unit and control.
BALTIC-IOM-1711-E
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Retrieve/Check the values of Overheating and subcooling
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Check the time and date of the control
+ Half
Yearly
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Refer to the commissioning sheet; Check all set points are set
according to this document.
Check systematically all connections and fixings on the refrigeration
Check the position and
circuit. Check for oil traces, eventually a leak test should be
tightness
conducted. Check operating pressures correspond to the ones,
of refrigeration components
indicated on the commissioning sheet
Increase room set-point 10°C above the actual room temperature.
Check three way valve on
Check operation of the piston. It must move away from the valve
HWC (If applicable)
head. Reset the control.
Check the position of the
crankcase heaters (around Check the well fixation of the crankcase heaters, if it is tight enough
the compressor) and the
And check the crankcase heaters overall working.
proper functioning of it
Switch the unit to heat pump mode. Change the set point to obtain
Check defrost cycle with 4the standard defrost mode and reduce the cycle time to the min
way valve inversion.
value. Check the operation of the defrost cycle.
Check overall working of
the flow controller (only for Cut-off the compressors, stop the water circulation, then start the unit,
rooftops with water
wait for the water flow failing signal in the controller.
condensation function)
Check the water flow ( only
Measure the water flow and compare it to the initial value set in the
for rooftops with water
command selection
condensation function )
Check the rotation of the fan (free rotation, detection of vibration or
Check the plug fans (
bearing noises)
freewheel)
Check for the Amps consumed on all three phases; compare with the
nominal value given in the electrical wiring diagram.
Check the rotation of the fan (free rotation, detection of vibration or
Check the axial extractor
bearing noises)
fan ( if the unit is equipped
Check for the Amps consumed on all three phases; compare with the
with )
nominal value given in the electrical wiring diagram.
Check the well working of
Check the rotation of the wheel; Check the strap tension;
the energy recovering
Replace the components in case of malfunctioning
wheels
Check Airflow rate safety
switch (if equipped).
Monthly + Quarterly
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Shut down supply fan. The fault must be detected within 5 seconds.
-77-
MAINTENANCE PLAN
Task
Operating mode
Check freeze protection on
HWC (if applicable)
Test antifreeze function (leakage rate, frost protection thermostat)
Monthly + Quarterly
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Check all fixings and transmission. Stop the unit using the control.
Check economizer actuator The fresh air damper must close. Start the unit, the fresh air damper
operation
should open.
Make a forced opening and closure of the motorized dampers.
Power down the unit and check and tighten all screws, terminal and
electric connections (including the terminal boxes)
Check tightness of all
When turning on the unit, check the deterioration of the electrical
electrical connections
components with a thermal camera, with the unit working at 100% of
its power.
Check HP / LP safety
Install a pressure gauge HP / LP and check if the safety switches
switches
overall working.
Check the value of the
Install the pressure gauge calibrated to check the analog sensors.
analog sensors
Install a thermometer calibrated to control the sensors.
Check the position of all
sensors
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Check the good positioning and the fixation of all sensors.
Check the fresh air grilles (if fitted). If dirty or damaged, remove them
Check and clean if
from unit and clean with high pressure water cleaner. Refit on unit
necessary all fresh air grids
once clean and dry.
Check electric heater
Turn off the unit; Pull the electric heater out of the heater module box
and check the resistances of traces of corrosion; Replace resistance
element for excessive
corrosion
as required;
Check anti-vibration
Visually check anti-vibration mountings on compressors and
mountings, for wear and
centrifugal fan. Replace if damaged.
tear.
Check Glycol concentration
Check the glycol concentration in the pressurized water circuit. ( a
in the HWC circuit and/or in
concentration of 30% gives a protection down to approx.. -15°C)
the water condenser
check the circuit pressure
circuits
Gas burner module check
Pull out the burner to access the tubes
for corrosion
(refer to Gas burner section in the IOM)
Clean the in-shot burners and the blower wheel lightly with a brush.
Sweep the flue and flue box. Wipe-off the dust from the housing of
Sweeping and cleaning the
the motor. Clean combustion air inlet louvers Pull-out baffles from the
gas burner
tubes, sweep the tubes
CHECK FLUE BOX GASKET
Gas supply pressures
Refer to Gas burner section in the IOM for details
/ connections checks
Check the gas regulation
Refer to Gas burner section in the IOM for details
valve settings
Check gas burner safety
Refer to Gas burner section in the IOM for details
switches
Check the ignition
electrode and the
Refer to Gas burner section in the IOM for details
ionization probes
Check gas fume
Do a combustion analysis.
combustion levels
Refer to local regulation if it exists
Check casing and
equipment corrosion
To treat and neutralize eventual rust spots
Check the water tightness
of the unit and it's
accessories
Verify the gaskets, if cracked or ripped, repair them or replace them.
Check the doors gasket
Verify the gaskets; if cracked, ripped or discontinuous in these cases
replace them.
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Check the water tightness
of the water circuit (only for
Check for water leaks and repair if it's needed.
Rooftops with water
condenser)
ATTENTION: The water circuit can be under pressure. Follow the
Check and clean the water
usual precautions when depressurizing the circuit before opening.
filter (only for Rooftops with
Ignoring these rules can lead to accidents and cause injury to the
water condenser)
personal.
BALTIC-IOM-171-E
+ Half
Yearly
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-78-
COMMISSIONING RECORD SHEET
Site details
Controller
Site
Model
Unit Ref
Serial No
Installer
Refrigerant
(1) ROOF INSTALLATION
Sufficient Access OK
Yes
No
Condensate drain fitted
Roofcurb
Yes
OK
No
Not OK
(2) CONNECTIONS CHECK
Phase check
Yes
1/2
Voltage between Phases
No
2/3
1/3
(3) CLIMATIC™ CONFIGURATION CHECK
CLIMATIC™ Configured according to the options and specifications
Yes
No
(4) SUPPLY BLOWER SECTION
Type
N°1
Power displayed on plate
kW
Voltage displayed on plate
V
Current displayed on plate
A
Fan type
Displayed coupling ref
N°2
Forward
Backward
Forward
Backward
Yes
No
Yes
No
Yes
No
Yes
No
mm
Alignment checked
Fan speed
rpm
Averaged measured amps
A
Shaft mechanical mower
(Refer to airflow balancing)
W
Operating point checked
m3/h
Read airflow
(5) AIRFLOW PRESSURE SENSOR CHECK
Set points adjusted
Measured pressure drop
Yes
mBar
No
If yes enter new values
3410:
3411:
3412:
(6) EXTERNAL SENSOR CHECKS
Check electrical connections
Yes
No
Check and record temp. in
menu 2110
Yes
100% Fresh Air
No
100% return Air
Supply temperature
°C
°C
Return temperature
°C
°C
Outdoor temperature
°C
°C
(7) MIXING AIR DAMPERS CHECKS
Dampers open & close freely
Yes
No
BALTIC-IOM-1711-E
Power
exhaust checked
% Minimum FA
%
Yes
No
Enthalpy sensor(s) checked
Yes
No
-79-
COMMISSIONING RECORD SHEET
(8) REFRIGERATION SECTION
Outdoor fan motor current
Check rotation
Motor 1
L1:
A L2:
A L3:
A Yes
No
Motor 2
L1:
A L2:
A L3:
A Yes
No
Motor 3
L1:
A L2:
A L3:
A Yes
No
Comp1:
V
Motor 4
L1:
A L2:
A L3:
A Yes
No
Comp1:
V
Motor 5
L1:
A L2:
A L3:
A Yes
No
Comp3:
V
Motor 6
L1:
A L2:
A L3:
A Yes
No
Comp4:
V
Compressor amps - COOLING
Compressor voltage
Pressures & temperatures
Phase 1
Phase 2
Temperatures
Phase 3
Suction
Pressures
Disch
LP
HP
Comp1
A
A
A
°C
°C
Bar
Bar
Comp2
A
A
A
°C
°C
Bar
Bar
Comp3
A
A
A
°C
°C
Bar
Bar
Comp4
A
Check Reversing valves
A
A
°C
°C
Bar
Bar
Valve 1:
Yes
No
Valve 3:
Yes
No
Valve 2:
Yes
No
Valve 4:
Yes
No
Compressor amps - HEATING
Pressures & temperatures
Phase 1
Phase 2
Temperatures
Phase 3
Suction
Pressures
Disch
LP
HP
Comp1
A
A
A
°C
°C
Bar
Bar
Comp2
A
A
A
°C
°C
Bar
Bar
Comp3
A
A
A
°C
°C
Bar
Bar
Comp4
A
A
A
°C
°C
Bar
Bar
HP cut out:
Bar LP cut out:
Refrigerant charge
C1:
Bar
kg C2:
kg C3:
kg C4:
kg
(9) ELECTRIC HEATER SECTION
Type
Serial No
AMPS 1st stage (BALTIC™)
AMPS 2nd stage (BALTIC™)
1
2
3
1
2
3
(10) HOT WATER COIL SECTION
Check Three Way Valve Movement
Yes
No
(11) GAS HEATING SECTION
Gas Burner N°1:
Gas Burner N°2:
Size:
Valve type:
Size:
Valve type:
Pipe size:
Gas type:
G
Pipe size:
Gas type:
G
Line press:
Drop test
Line press:
Drop test
Yes
No
Yes
Check manifold pressure:
Check manifold pressure:
High fire
Low fire
High fire
Pressure cut out airflow press switch
Motor amps:
Flue temp:
A
No
mBar/Pa
mBar/Pa Pressure cut out airflow press switch
CO2 %:
°C
Low fire
CO ppm:
%
Motor amps:
%
Flue temp:
A
CO2 %:
°C
CO ppm:
%
%
(12 REMOTE CONTROL BMS CHECK
Type:
Sensor type:
Interconnect wiring checked:
Yes
BALTIC-IOM-1711-E
No
-80-
REFRIGERANT TRANSACTIONS LOGBOOK
General information
Site name:
Serial Number:
Site address:
Site operator:
Cooling load :
Refrigerant type:
Refrigerant quantity (kg)
Unit manufacturer
Year of installation
Refrigerant additions
Date
Engineer
Quantity (kg)
Reason for addition
Engineer
Quantity (kg)
Reason for removal
Engineer
Test Result
Follow up action required
Refrigerant removal
Date
Leak tests (part 1)
Date
BALTIC-IOM-1711-E
-81-
REFRIGERANT TRANSACTIONS LOGBOOK
Leak tests (part 2)
Date
Engineer
Test Result
Follow up Action Required
Engineer
Related to test dated
Action taken
Follow up actions
Date
Testing of automatic leak detection system (if fitted)
Date
Engineer
BALTIC-IOM-1711-E
Test result
Comments
-82-
BALTIC-IOM-1711-E
-83-
TABLE OF CONTENTS
BALTIC
CERTIFICATES
CERTIGAZ
85
EU CONFORMITY DECLARATION TEMPLATE
86
ECODESIGN DATA SHEET TEMPLATE
87
Certificates are given for information only.
To get the uptodate certificates, please contact your local LENNOX reprensentative.
BALTIC-IOM-1711-E
-84-
CERTIGAZ
BALTIC-IOM-1711-E
-85-
EU CONFORMITY DECLARATION TEMPLATE (If applicable)
BALTIC-IOM-1711-E
-86-
ECODESIGN DATA SHEET TEMPLATE (If applicable)
BALTIC-IOM-1711-E
-87-
SALES OFFICES :
BELGIUM AND LUXEMBOURG
3233633
6333045
3045
++32
FRANCE
+33
+331 164
6476
7623
2323
23
GERMANY
+49
+49(0)
(0)211
211950
95079
7960
600
ITALY
POLAND
+35122229
050
+48
58 066
48 610
PORTUGAL
+351
+7 495
229626
06656
050
53
SPAIN
+34
+34915
915401
401810
810
UKRAINE
++39
3902
02495
49526
26200
200
NETHERLANDS
++3131332
332471
471800
800
+48 22 58 48 610
+38
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044585
58559
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UNITED KINGDOM AND IRELAND
+44
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669100
100
OTHER COUNTRIES :
LENNOX DISTRIBUTION
+33 4 DISTRIBUTION
72 23 20 20
LENNOX
+33 4 72 23 20 20
Due to LENNOX EMEA ongoing commitment to quality, the specifications, ratings and
dimensions are subject to change without notice and without incurring liability.
Improper installation, adjustment, alteration, service or maintenance can cause property
damage or personal injury.
Installation and service must be performed by a qualified installer and servicing agency.
www.lennoxemea.com
BALTICIV-IOM-1711-E