Lennox BAH020SNM, BAG045SSM, BAM020SHM, BAM045SSM, BAC030SNM Installation, Operating And Maintenance
...
Providing indoor climate comfort
BALTIC R410A
BALTIC R410A-IOM-0708-E
Installation, operating
and maintenance
CONTENTS
BALTIC R410A-IOM-0708-E Page 1
INSTALLATION – OPERATING – MAINTENANCE
MANUAL
Ref. BALTIC-IOM-0708-E
The present manual applies to the following ROOFTOP versions:
BAC020SNM BAH020SNM BAG020SHM BAG045SSM BAM020SHM BAM045SSM
BAC030SNM BAH030SNM BAG020SSM BAG055SHM BAM020SSM BAM055SHM
BAC035SNM BAH035SNM BAG030SHM BAG055SSM BAM030SHM BAM055SSM
BAC045SNM BAH045SNM BAG030SSM BAG065DHM BAM030SSM BAM065DHM
BAC055SNM BAH055SNM BAG035SHM BAG065DSM BAM035SHM BAM065DSM
BAC065DNM BAH065DNM BAG035SSM BAG075DHM BAM035SSM BAM075DHM
BAC075DNM BAH075DNM BAG045SHM BAG075DSM BAM045SHM BAM075DSM
NOTES FOR UNIT FITTED WITH GAS BURNER:
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.
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.
LENNOX have been providing environmental solutions since 1895, our range of Baltic TM rooftop continues to meet the
standards that have made LENNOX a household name. Flexible design solutions to meet YOUR needs and
uncompromising attention to detail. Engineered to last, simple to maintain and Quality that comes as standard. Information
on local contacts at www.lennoxeurope.com.
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.
CONTENTS
BALTIC R410A-IOM-0708-E Page 2
COMMISSIONING REPORT............................................................................................. 5
INSTALLATION
Transport - Handling ...........................................................................................11
Mandatory handling devices................................................................................12
Dimensions and weights .....................................................................................13
Lifting the units ...................................................................................................14
Lifting the roofcurbs ............................................................................................15
Lifting the energy recovery module ..................................................................... 16
Preliminary checks .............................................................................................17
Minimum clearances around the unit ...................................................................18
Installation on roof mounting frames ....................................................................19
Positioning roofcurb ................................................................ .................19
Non adjustable Non assembled roof curb ................................ .................20
Securing the curb ....................................................................................22
Curbing and flashing ................................ ................................ ................22
Heat recovery installation ................................ ................................ .........23
Economiser and extraction ................................................................................. 24
COMMISSIONING
Electrical connections.......................................................................................... 26
Preliminary checks .............................................................................................26
Starting the unit...................................................................................................27
Powering the unit ................................................................................................ 28
ARRANGEMENT DRAWINGS
BALTIC BAC-BAH-BAG-BAM 020 to 075.............................................................29
Non adjustable roofcurb ..................................................................................... 37
Adjustable roofcurb ............................................................................................38
Multidirectional horizontal roofcurb....................................................................... 42
Exhaust vertical roofcurb.....................................................................................46
Exhaust horizontal roofcurb ................................................................ .................50
Transition roofcurb..............................................................................................53
Energy recovery option........................................................................................54
VENTILATION
Belt tension ........................................................................................................58
Mounting & adjusting pulleys ..............................................................................59
Airflow balancing ................................................................ ................................60
Filters ................................ ................................ ................................ ................71
Fan starter .........................................................................................................72
CONTENTS
BALTIC R410A-IOM-0708-E Page 3
HEATING OPTIONS
Hot water coils ................................ ................................ ................................ ...73
Electric heater ................................................................ ................................ ....75
Gas burners .......................................................................................................76
Modulating gas burners................................................................ .......................88
CLIMATIC CONTROLLER
See specific content on page 93 ................................ ................................ .........93
PRINCIPLE SKETCHES
Refrigerant circuits .............................................................................................114
Hot water coil diagram ........................................................................................ 117
MAINTENANCE DIAGNOSTIC
........................................................................................118
MAINTENANCE PLAN ....................................................................................................121
WARRANTY ....................................................................................................................124
CERTIFICATES ...............................................................................................................125
PRESSURE EQUIPMENT
BALTIC R410A-IOM-0708-E Page 4
All Baltic Units are compliant with the PED directive 97-23/CE
The following note must be followed carefully
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 unbraz ing 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 (minimum 30%
silver).
Replacing components:
In order to maintain CE marking compliance, replacement of components shall be carried out using spare parts, or using
parts approved by Lennox.
Only the coolant shown on the manufacturer’s nameplate shall be used, to the exclusion of all other products (mix of
coolants, hydrocarbons, etc.).
CAUTION:
In the event of fire, refrigerating circuits can cause an explosion and spray coolant gas and oil.
COMMISSIONING REPORT
BALTIC R410A-IOM-0708-E Page 5
Site details / Informations site
Site / Site
Unit Ref/ N° Affaire
Installer/ Installateur
………………………………………
……………………………………....
………………………………………
Controller/ Contrôleur
Model/Model
Serial No/ No Série
Refrigerant / Réfrigérant
………………………………….
……………….…………………
…………………………………
…………………………………
(1) ROOF INSTALLATION / INSTALLATION SUR LE TOIT
Sufficient Access OK / Accès Suffisants
Yes/Oui No/ Non
Condensate drain fitted / Drainage condensats
Installé Yes/Oui No/ Non
Roofcurb / Costière
OK Not OK/PasOK
(2) CONNECTIONS CHECK / VERIFICATIONS DE RACCORDEMENTS
Phase check/ Vérification des Phases
Yes / Oui No / Non
Voltage between Phases
Tension entre Phases
1 / 2
……………….
2 / 3
……………….
1 / 3
……………….
(3)CLIMATIC CONFIGURATION CHECK / VERIFIER LA CONFIGURATION CLIMATIC
CLIMATIC 50 Configured according to the Options and Specifications / CLIMATIC 50 configuré en fonction des options et des
spécifications: Yes/Oui No/ Non
(4) SUPPLY BLOWER SECTION / VENTILATION TRAITEMENT
Type / Type:
Power displayed on plate / Puissance affichée sur la plaque:
Voltage displayed on plate / Tension affichée sur la plaque:
Current displayed on plate / Intensité affichée sur la plaque:
KW
V
A
N°1
……………………
……………………
……………………
N°2
……………………
……………………
……………………
Fan Type / Type de Ventilateur: Forward / Action
Backward / Réaction
Forward / Action
Backward / Réaction
Displayed Belt Length / Longueur Courroie affichée: mm …………………… ……………………
Tension Checked/ Tension Vérifiée: Yes/Oui No/ Non Yes/Oui No/ Non
Alignment Checked / Alignement Vérifié: Yes/Oui No/ Non Yes/Oui No/ Non
Motor Pulley Dia/ Poulie Moteur Dia: DM mm …………………… ……………………
Fan Pulley Dia/ Poulie Ventilateur Dia: DP mm …………………… ……………………
Fan Speed / Vitesse rotation Ventilateur = Motor rpm x DM / DP
Averaged Measured Amps / Intensité Mesurée moyenne:
rpm
A
……………………
……………………
……………………
……………………
Shaft Mechanical Power (Refer to airflow balancing)
Puissance Mécanique à l’Arbre (Voir section réglage débit)
W …………………… ……………………
Operating point checked / Vérif. Point de fonctionnement: Yes/Oui No/ Non Yes/Oui No/ Non
Estimated Airflow / Estimation Débit d’Air m
3
/h …………………… ……………………
(5) AIRFLOW PRESS. SENSOR CHECK / VERIF. DES SECURITES PRESSOSTATS D’AIR
Measured pressure drop / Pertes de charge au pressostat
…………………………… mbar
Set Points Adjusted / Changement des consignes:
Yes/Oui No/ Non
If Yes enter new values/ Si oui noter les nouvelles consignes:
3410: ………… 3411: ………… 3412: …………
(6) EXTERNAL SENSOR CHECKS / VERIFICATION DES CAPTEURS EXTERNES
Check and record temp. in menu 2110 / Vérifier et mesurer les
températures. Dans menu 2110: Yes/Oui No/ Non
Check electrical connections / Vérification des
connections électriques: Yes/Oui No/ Non
100% Fresh Air / 100% Air neuf 100% return Air / 100% Air repris
Supply Temperature / Température Soufflage ………………………..°C ………………………..°C
Return Temperature / Température reprise ………………………..°C ………………………..°C
Outdoor Temperature / Température extérieure ………………………..°C ………………………..°C
(7) MIXING AIR DAMPERS CHECKS / VERIFICATIONS VOLETS DE MELANGE
Dampers open & close freely/
Volets s’ouvrent et se ferment OK
% Minimum FA:
%minimum Air Neuf:
Power exhaust checked/
Ventilateur extraction
Enthalpy sensor(s) checked/
Control enthalpie installé
Yes/Oui No/ Non ……………..% Yes/Oui No/ Non Yes/Oui No/ Non
COMMISSIONING REPORT
BALTIC R410A-IOM-0708-E Page 6
(8) REFRIGERATION SECTION / SECTION REFRIGERATION
Outdoor Fan Motor Current / Intensité Moteurs Batterie externe: Check Rotation
Motor 1 / Moteur 1 L1 ……..A L2 ……..A L3 ……A Yes/Oui No/ Non
Motor 2 / Moteur 2 L1 ……..A L2 ……..A L3 ……A Yes/Oui No/ Non
Compressor
Voltage/ Tension
Compresseur.
Motor 3 / Moteur 3 L1 ……..A L2 ……..A L3 ……A Yes/Oui No/ Non Comp1: …….. V
Motor 4 / Moteur 4 L1 ……..A L2 ……..A L3 ……A Yes/Oui No/ Non Comp2: …….. V
Motor 5 / Moteur 5 L1 ……..A L2 ……..A L3 ……A Yes/Oui No/ Non Comp3: …….. V
Motor 6 / Moteur 6 L1 ……..A L2 ……..A L3 ……A Yes/Oui No/ Non Comp4: …….. V
Compressor Amps COOLING / Intensité
Compresseur MODE FROID
Pressures & Temperatures / Pressions & températures
Temperatures / Temperatures Pressures / Pressions
Phase 1 Phase 2 Phase 3
Suction/ Asp
Disch / refoul
LP/ BP
HP / HP
Comp 1 …..… A …..… A …..… A ……… °C ……… °C ……… Bar ……… Bar
Comp 2 …..… A …..… A …..… A ……… °C ……… °C ……… Bar ……… Bar
Comp 3 …..… A …..… A …..… A ……… °C ……… °C ……… Bar ……… Bar
Comp 4 …..… A …..… A …..… A ……… °C ……… °C ……… Bar ……… Bar
Check Reversing valves./
Vérifier vannes d’inversion:
Valve1/Vanne1: Yes/Oui No/ Non
Valve2/Vanne2: Yes/Oui No/ Non
Valve3/Vanne3: Yes/Oui No/ Non
Valve4/Vanne4: Yes/Oui No/ Non
Compressor Amps HEATING / Intensité
Compresseur en Pompe à Chaleur
Pressures & Temperatures / Pressions & températures
Temperatures / Temperatures Pressures / Pressions
Phase 1 Phase 2 Phase 3
Suction/ Asp
Disch / refoul
LP/ BP
HP / HP
Comp 1 …..… A …..… A …..… A ……… °C ……… °C ……… Bar ……… Bar
Comp 2 …..… A …..… A …..… A ……… °C ……… °C ……… Bar ……… Bar
Comp 3 …..… A …..… A …..… A ……… °C ……… °C ……… Bar ……… Bar
Comp 4 …..… A …..… A …..… A ……… °C ……… °C ……… Bar ……… Bar
HP cut out / Coupure HP ……Bar LP cut out / Coupure sécurité BP ………..…... Bar
Refrigerant charge / Charge réfrigérant C1 : ………..kg C2 : ………..kg C3 : ………..kg C4 : ………..kg
(8)ELECTRIC HEATER SECTION / SECTION RECHAUFFEUR ELECTRIQUE
Type / Type: …………………………………………………. Serial No/ No Série.:………………………..
AMPS 1st stage (Baltic) / Intensité 1er étage (Bal tic) AMPS 2nd stage (Baltic) / Intensité 2e étage (Baltic)
1 ………………. 2 ………………. 3 ………………. 1 ………………. 2 ………………. 3 ……………….
(9) HOT WATER COIL SECTION / SECTION BATTERIE EAU CHAUDE
Check Three Way Valve Movement / Vérification Mouvement Vanne trois voies: Yes/Oui No/ Non
(10) GAS HEATING SECTION / RAMPE GAZ
Gas Burner N°1 / Brûleur gaz N°1 Gas Burner N°2 / Brûleur gaz N°2
Size / Taille:
……………………….
Valve type / Type vanne:
…………………….
Size / Taille:
……………………….
Valve type / Type vanne:
…………………….
Pipe size/ tuyauterie: Gas type / Type gas : G……. Pipe size/ tuyauterie Gas type / Type gas : G…….
Line press./ press. ligne :
………………………
Drop test / test pression
Yes/Oui No/ Non
line press./ press. ligne :
………………………
Drop test / test pression
Yes/Oui No/ Non
Check manifold pressure/ Pression injection:
High fire/Grande allure…….…Low fire/Petite allure………..
Check manifold pressure/ Pression injection:
High fire/Grande allure…….…... Low fire/Petite allure………..
Pressure cut out airflow press switch / Pression coupure
pressostat débit d’air : ……………………mbar /Pa
Pressure cut out airflow press switch / Pression coupure
pressostat débit d’air : ……………………mbar /Pa
Motor amps
I moteur:
……….A
Flue temp /
temp fumées
……… °C
CO2 %:
………%
CO ppm:
………%
Motor Amps
I Moteur:
……….A
Flue temp /
temp fumées
………. °C
CO2 %:
………%
CO ppm:
………%
(11) REMOTE CONTROL BMS CHECK / VERIFICATIONS BMS CONTROL A DISTANCE
Type / Type:
…………………………..
Sensor type / Type Capteur
………………………………..
Interconnect wiring checked:
Yes/Oui No/ Non
It is recommended that you fill the two tables below before transferring the zone settings to the Climatic controller.
COMMISSIONING REPORT
BALTIC R410A-IOM-0708-E Page 7
Il est recommandé de remplir les deux tableaux ci-dessous avant de transférer les consignes de zones vers le contrôleur
Climatic50.
Refer to control section page 55 / Se référer à la section régulation page 55
Time Zones / Zones Horaires
Hour
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Example
UNO
7h15
ZA
11h00
ZB
14h00
ZC
19h00
UNO
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Variables to adjust for each time zone / Consignes à renseigner pour chaque zone horaire
Start z.A Start z.B Start z.C Start UNO
hour (3211) min (3212) hour (3213) min (3214) hour (3215) min (3216) hour (3217) min (3218)
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Description Unit Menu Min
Max
Zone A Zone B Zone C UNOC
Sp Room °C 3311 8 35
Mini.Air % 3312 0 100
Sp Dyna °C 3321 0 99.9
Sp Cool °C 3322 8 35
Sp Heat °C 3323 8 35
Swap Heater On/Off 3324 ~ ~
Activation On/Off 3331 ~ ~
Swap Heater On/Off 3332 ~ ~
Sp.Dehu % 3341 0 100
Sp.Humi % 3342 0 100
Fan On/Off On/Off 3351 ~ ~
Fan Dead On/Off 3352 ~ ~
F.Air On/Off 3353 ~ ~
CO2 On/Off 3354 ~ ~
Comp.Cool. On/Off 3355 ~ ~
Comp.Heat. On/Off 3356 ~ ~
AuxHeat On/Off 3357 ~ ~
Humidif. On/Off 3358 ~ ~
Low Noise On/Off 3359 ~ ~ N/A N/A N/A
COMMENTS:……………………………………………………………………………………………………………………………………
…………………………….……………………………………………………………………………………………………………………….
COMMISSIONING REPORT
BALTIC R410A-IOM-0708-E Page 8
REFRIGERANT TRANSACTIONS LOGBOOK:
EC Regulation No 842/2006
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
REFRIGERANT REMOVAL
Date Engineer Quantity (kg) Reason for Removal
LEAK TESTS
Date Engineer Test Result Follow Up Action Required
COMMISSIONING REPORT
BALTIC R410A-IOM-0708-E Page 9
LEAK TESTS (Part 2)
Date Engineer Test Result Follow Up Action Required
FOLLOW UP ACTIONS
Date Engineer Related to test dated Action Taken
TESTING of AUTOMATIC LEAK DETECTION SYSTEM (If fitted)
Date Engineer Test Result Comments
Remarks: ………………………………………………………………………………………………
………………………………………………………………………………………………………………
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COMMISSIONING REPORT
BALTIC R410A-IOM-0708-E Page 10
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TRANSPORT - HANDLING
BALTIC R410A-IOM-0708-E Page 11
DELIVERY CHECKS
On receipt of a 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 t o 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 +10/-15 %. 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 the year of manufacture as well
as the type of refrigerant used and the required charge for
each compressor circuit.
Fig. 1
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 ex changer covers in position (A QUILUX cove r).
- Keep protective pl astic 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.
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 (figure 2).
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 (Figure 3).
Fig. 3
BAM055NM1M
2008
R410A
42.0 bar
18/05/2008
TRANSPORT – HANDLING - WARNING
BALTIC R410A-IOM-0708-E Page 12
Handling slings to guide the
unit towards the roofcurb
Vacuum lifting beam to
position the unit
COMPLIANT
NON
-
COMPLIANT
MANDATORY HANDLING DEVICES
TRANSPORT – HANDLING
BALTIC R410A-IOM-0708-E Page 13
DIMENSIONS AND WEIGHTS
1
2
3
4
BALTIC™ BAC/BAH/BAG/BAM
20S 30S 35S 45S 55S 65D 75D
A mm
2017 2017 1890 1910 1910 2260 2260
B mm
1418 1418 1915 2235 2235 2873 2873
C mm
1220 1220 1221 1221 1221 1225 1225
D mm
484 484 414 418 418 418 418
Weight of standard units
Without hood
kg
394 414 547 604 619 796 852
With hood
kg
417 437 575 677 652 837 893
Poids des unités à gaz
Standard heat without hood
kg
445 465 608 678 693 904 960
Standard heat with hood
kg
468 488 636 711 726 945 1001
High heat without hood
kg
454 474 627 700 715 963 1019
High heat with hood
kg
477 497 655 733 748 1004 1060
TRANSPORT – HANDLING
BALTIC R410A-IOM-0708-E Page 14
LIFTING THE UNITS
B box C box
D box E box
RETRACTABLE LIFTING LUG
Fig. 9
1850
(mini)
1410
(mini)
1930
(mini)
1700
(mini)
2250
(mini)
1700
(mini)
2890
(mini)
2080
(mini)
Fig. 5 Fig. 6
Fig. 7 Fig. 8
TRANSPORT – HANDLING
BALTIC R410A-IOM-0708-E Page 15
LIFTING THE ROOF CURBS
ADJUSTABLE ROOF CURB
Dimensions (mm)
B box C box D box E box
A 1890 1735 1735 2085
B 1100 1295 1545 1995
Weights (kg)
B box C box D box E box
No aux.heating 87 94 104 152
With aux.heating 86 90 100 138.2
EXHAUST ROOF CURB
Dimensions
B box C box D box E box
A 2050 1900 1900 2250
B 1160 1360 1610 2060
Weights
B box C box D box E box
Vertical No
aux.heating
192 220 240 370
Vertical With
aux.heating
194 194 240 365
Horizontal 142 168 185 301
Fig. 10
Fig. 11 Fig. 12
TRANSPORT – HANDLING
BALTIC R410A-IOM-0708-E Page 16
MULTIDIRECTIONNAL ROOF CURB
Dimensions (mm)
B box C box D box E box
A 2050 1900 1900 2250
B 1160 1360 1610 2060
Weights (kg)
B box C box D box E box
No aux.heating 81 88 100 147
With aux.heating 90 93 103 146.7
LIFTING THE ENERGY RECOVERY MODULE
Dimensions
B box C box D box E box
A 1290 1290 1290 1290
B 820 1170 1547 1895
Weights (kg)
B box C box D box E box
143 172 229 317
Fig.13
Fig.14
INSTALLATION
BALTIC R410A-IOM-0708-E Page 17
FORKLIFT PROTECTIONS
REMOVE THE FORKLIFT PROTECTIONS BEFORE INSTALLATION
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.
- 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.
INSTALLAT ION 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 uneven surfaces
-Avoid installing two units side by side or close to each
other as this may restrict the airflow to the condensers.
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 insulate d.
-To avoid condensation problems, make sure that all
pipes are insulated according to the temperatures of
fluids and type of rooms.
NOTE: The AQUILUX protection sheets fitted to the finned
surfaces must be removed prior to start up.
Fig. 15
INSTALLATION
BALTIC R410A-IOM-0708-E Page 18
MINIMUM CLEARANCE AROUND THE UNIT
Figure 4 shows the required clearances and service access around the unit.
NOTE: Ensure the fresh air inlet does not face prevailing wind direction.
A B C D
B Box 1000
(1)
1500
(2)
1500 1000
C Box 1200
(1)
1500
(2)
1500 1000
D Box 1400
(1)
1500
(2)
1500 1000
E Box 1800
(1)
1500
(2)
1500 1100
(1) Add 1 meter if the units are equipped with gas burner
(2) Double this distance if the units are equipped with extraction
Fig. 16
INSTALLATION ON A ROOF MOUNTING FRAMES
BALTIC R410A-IOM-0708-E Page 19
POSITIONING ROOFCURBS
As levels are adjustable, observe the following
recommendations when installing the equipment.
Above all, ensure that all the adjustable returns are facing
outward (“1” figure 17). They are usually turned inside-out
for transport.
Place the roof mounting frame on the trimmer beam by first
lining up the inlet and the outlet opening. (“2”- figure 18)
After levelling the frame, secure the adjustable returns on
the trimmer.
It is important to centre the unit on the roof frame.
Fig. 17
Fig. 18
Fig. 19
INSTALLATION ON A ROOF MOUNTING FRAMES
BALTIC R410A-IOM-0708-E Page 20
NON ADJUSTABLE NON ASSEMBLIED ROOFCURB
FRAME PARTS IDENTIFICATION
Figure 20 shows the different parts used in the assembly of this roof mounting frame.
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 page 24 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.
UNIT FLOOR
UNIT FLOOR
AIR DUCT
UNIT Support rail
ROOFCURB
Fig. 20
Fig. 21
INSTALLATION ON A ROOF MOUNTING FRAMES
BALTIC R410A-IOM-0708-E Page 21
NON ADJUSTABLE NON ASSEMBLED ROOFCURB
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.
SECURING THE FRAME
To ensure proper mating with units (figure 22), 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 corne r of frame.
-Measure frame diagonally from corner to corner as
shown in figure 16. 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.
Fig. 22
INSTALLATION ON A ROOF MOUNTING FRAMES
BALTIC R410A-IOM-0708-E Page 22
SECURING THE CURB
When the frame is correctly positioned, it is essential to secure the assembly with a disconnected stitched welded seam (20 to
30 mm every 200 mm
- - - -) along the outside or by using an alternative method.
CURBING AND FLASHING
Outside of frame must be insulated with rigid type insulation;
We recommend a minimum of 20 mm thick insulation (2 figure 24).
Check that the insulation is continuous, counter flash and seal around the frame
as shown in (1-figure 24).
CAUTION: To be effective, the upstream must end below the drop edge (3 - figure
24).
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.
Fig. 23
Fig. 24
INSTALLATION ON A ROOF MOUNTING FRAMES
BALTIC R410A-IOM-0708-E Page 23
Heat Recovery Installation
1) The unit being already erected on the roof curb, position the elbow by plugging the returns (A) in the slits (B) of the
framework of the unit: see detail
2) Fix the elbow with caged nuts at envisaged places (C)
3) Apply mastic on the two side studs and on the superior stud of the energy recovery box.
4) Pose the energy recovery box on the elbow
5) Fix the energy recovery box thanks to the two edges at 45° right and left with self-drilling screws (D)
1
4
Fig. 25
ECONOMISER AND EXTRACTION
BALTIC R410A-IOM-0708-E Page 24
Economiser
Free cooling can be provided through the use of fresh air where appropriate rather than
cooling excessive amounts of return air.
The economiser is factory fitted and tested prior to shipment.
It includes two dampers operating from a 24V actuator
Rain hood
It also includes a factory fitted rai n hood. Hoods is folded during transportation to limit
risks of damage and must be unfolded on site as shown on fig. 26
Extraction
Installed with economiser assembly, the gravity exhaust dampers relieve the pressure
when outside air is introduced into the system.
When large amount of fresh air is introduced into the system power exhaust fans can be
used to equalise the pressures.
The extraction fan runs when return air dampers are being closed and supply air blower is
in operation. The extraction fan runs when outdoor air dampers are at least 50% open
(adjustable value). It is overload protected.
NOTE: When horizontal flow configuration is required, the multidirectional roof curb will be
installed.
0-25% fresh air manual (Fig. 27)
It is enough to loosen the mobile grid's screws and to make it slip.
0%: screw into limit stop on the right
25%: screw into limit stop on the left
Fig. 27
Fig. 26
ECONOMISER AND EXTRACTION
BALTIC R410A-IOM-0708-E Page 25
VERTICAL FLOW
ENERGY RECOVERY MODULE + EXHAUST
ROOFCURB
(Vertical flow)
MULTIDIRECTIONAL ROOFCURB
ENERGY RECOVERY MODULE + EXHAUST
ROOFCURB
(Horizontal flow)
Fresh air 1 Supply fan 4 Multidirectional roofcurb
Return air 2 Economiser damper 5 Heat recovery module
Exhaust air 3 Exhaust damper 6 Exhaust Roofcurb
Supply air
COMMISSIONING
BALTIC R410A-IOM-0708-E Page 26
THIS WORK MUST ONLY BE CARRIED OUT
BY TRAINED REFRIGERATION ENGINEERS
FILL THE COMMISSI ONNING SHEET AS YOU GO
ALONG
ELECTRICAL CONNECTIONS
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.
ENSURE THAT THE POWER SUPPLY
INCLUDES 3 PHASES
(+ NEUTRAL if the unit is equipped with the
power exhaust fan)
Check the following wire connections for tightness:
Main switch connections, mains wires linked to the
contactors and circuit breakers and the cables in the
24V control supply circuit.
How to connect roof curbs and energy recovery module
Cables and their connectors corresponding to the roof curb’
motor and actuator and extraction box’ ones are already
rolled up in these elements; it is enough to bring them
through the openings envisaged and to connect them on
the sites indicated on the figure 28.
It’s the same procedure when you have an energy recovery
module.
PRELIMINARY CHECKS
Ensure that all drive motors are secure.
Ensure that the adjustable pulley blocks are secure and
that the belt is tensioned with the transmission correctly
aligned. Refer to the next section foe details.
Using the electrical wiring diagram, check the
conformity of the electrical safety devices (circuit
breaker settings, presence and rating of fuses).
Check the temperature probe connections.
Fig.29
Connector for the roof
curb motor or the
extraction box’ one
Connector for the roof
curb actuator or the
extraction box’ one
Connector for the
energy recovery
module + Fresh air
sensor
Fig. 28
COMMISSIONING
BALTIC R410A-IOM-0708-E Page 27
STARTING THE UNIT
At this point the unit circuit breakers should be open
You will need a DS50 maintenance controller or Climalook
with appropriate Interface.
Fig. 30
The jumpers are factory set and the configuration switches
are adjusted depending on the op tion the type of unit.
Connecting the CLIMATIC displays
Fig. 31
Close the 24V Control Circuit breakers.
Fig. 32
The CLIMATIC 50 starts after 30s
Reset the DAD photo (If fitted)
Fig. 33
Check and adjust the control settings.
Refer to the control section in this manual to adjust the
different parameters
Language o r
ENGLISH
RT 050.001
BIOS. 0000 Boot 0000
COMMISSIONING
BALTIC R410A-IOM-0708-E Page 28
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. In this particular case
the blower can be forced by bridging the port NO7 and
C7 on connector J14 on the Climatic. 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.
NOTE: A compressor rotating in the wrong direction will
fail.
- If the fan turns in the wrong direction (the right direction
is shown on figure n° 27), 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, remove
the bridge on connector J14 if fitted.
- 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 (ref. page 34).
- If the readings on the fan are outside the specified
limits, this usually indicates excessive air flow which will
affect the life expectancy and the thermodynamic
performances of the unit. This will also increase the risks
of water ingress into the unit. Refer to the "Air Flow
Balancing" section to correct the problem.
At this point attach the manometers to the refrigerant circuit
Fig. 34
RUN TEST
Start unit in cooling mode
Thermodynamic readings using manometers and prevailing
environmental conditions
No rated values are given here. These depend on the
climatic conditions both outside and inside the building
during operation. However, an experienced refrigeration
engineer will be able to detect any abnormal machine
operation.
Safety test
- Check Air pressure switch (if fitted) "Dirty filter" detection
test: vary the set-point value (menu page 3413 on DS50)
in respect to the air pressure value. Observe the response
of the CLIMATIC™.
- Same procedure for detecting "Missing Filter" (page
menu 3412) or "Air Flow Detection" (page menu 3411).
- Check the smoke detection function (if fitted).
- Check the Firestart by press ing the test button (if fitted).
- Disconnect the circuit breakers of the capacitor fans and
check the high pressure cut-out points on different
refrigerant circuits.
Reverse cycle test
This test is designed to check the good operation of the 4way reversing valves on heat pump reversible systems.
Start the reverse cycle by adjusting the cold or hot
temperature threshold data according to the i ndoor and
outdoor conditions at the time of te st (menu 3320)
Fig. 35
ARRANGEMENT DRAWINGS
BALTIC R410A-IOM-0708-E Page 29
WITH OPTIONS
(Return and supply opening shown on this drawing do not apply to
BAC/BAH with electric heater or hot water coil )
BAC
BAH
020 030
1D Down supply air 3 Fresh air 5D Down hot water entry 8 Extraction
1F Front supply air 4F Front main power entry 9 Smoke outlet
2D Down return air 4D
Down main power
entry
71 Outdoor coil inlet 10 Condensate drainage
2F Front return air 5F Front hot water entry 70 Outdoor coil outlet
(*) Total Length (unit + option)
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