Lennox COMFAIR HH Series Guía de instalación
Providing indoor climate comfort
COMFAIR - HH
HH-IOM-0304-E
Installation, operating
and maintenance
INDEX
INDEX1
INTRODUCTION2
RECOMMENDATIONS2
FIRST PART: FOR THE INSTALLER
IDENTIFICATION OF THE UNIT3
TRANSPORTATION, RECEIVING, HANDLING
Safety provisions3
DESCRIPTION OF THE UNIT
General size of the base unit4
General technical data5
Main parts5
UNIT INSTALLATION
Recommendations for installation6
Installation of the air treatment unit6-7
Installation of the accessories for ducting the air treatment unit7-9
WATER CONNECTIONS
Connection to the trunk line10
Condensate water drainage10
ELECTRICAL CONNECTIONS
Recommendations
Connections to the terminal blocks11-13
TURNING THE COIL14
SECOND PART: FOR THE USER
CLEANING AND MAINTENANCE
Routine maintenance15
Cleaning the air filter15
WHAT TO DO IF16
DISMANTLING THE UNIT16
INSTALLATION - OPERATING & MAINTENANCE MANUAL
Page 1
INTRODUCTION
This installation and maintenance booklet should always accompany the air treatment unit for ready consultation by
the installer or user if necessary.
The unit should be installed in compliance with the regulations in force in each country and according to the manufacturer's
or qualified person's instructions.
The manufacturer cannot be held liable for any damage to property or injury to persons and animals caused by incorrect
installation of the unit.
nly qualified persons should install the unit and connect it to the mains electricity supply.
Before carrying out any work on the unit, ensure that it is disconnected from the electricity supply.
Read this instruction booklet prior to installation.
RECOMMENDATIONS
This unit is easy to use, but it is important to read all the contents of this guide before using it for the first time. This
will help you to:
- use the unit in all safety
- obtain best performance
- avoid incorrect actions
- respect the environment
Do not allow children or unassisted handicapped persons to use the unit.
Do not touch the unit with wet parts of the body or if barefoot.
Do not tug, pull or twist electrical cables attached to the unit, even when disconnected from the electricity supply.
Do not open the flaps giving access to the internal parts of the unit without having first put the system on-off switch to
"off".
Do not introduce sharp pointed objects through the air intake and outlet grilles.
Do not leave packing material (boards, staples, plastic bags, etc.) within reach of children since they could be a source
of danger. Dispose of correctly.
Do not spray or throw water directly on the unit.
Do not use the unit in places with suspended dust/powder or in potentially explosive atmospheres, in very damp
environments or in the presence of oil in suspension or in particularly aggressive atmospheres.
Do not cover the unit with objects or drapes that even partially obstruct the air flow.
The unit works by electricity at mains voltage (230 Vac, 50 Hz). Always bear in mind that mains voltage is potentially
dangerous and any appliance connected to it should be used with caution. Before carrying out any work on the unit,
disconnect it from the electricity supply (by pulling out the plug from the mains socket or isolating the supply line by
putting the on-off switch to off).
If the unit is not be used for long periods, make sure that the controls are in the position 0 (off). If the unit is not going
to be used in winter when temperatures are near to freezing, drain the system and ensure that the unit heat exchanger
has no water in it in order to prevent the formation of ice and consequent breakage.
To make the unit inoperable, disconnect it totally from the electricity supply.
It is unsafe to alter or try to alter the characteristics of this product. Any tampering or alteration in any case makes the
warranty null and void.
In the event of malfunction or failure, do not try to repair the unit yourself; contact a qualified technician. Repairs carried
out by incompetent persons could cause damage or accidents.
Always keep the unit clean. In particular clean the air filter periodically (at least once a month).
.
FAILURE TO COMPLY WITH THE ASSEMBLY INSTRUCTIONS GIVEN IN THIS
GUIDE RELIEVES LENNOX OF ALL AND ANY LIABILITY. INCORRECT
INSTALLATION COULD CAUSE MALFUNCTIONING OR FAILURE OF THE UNIT.
IT COULD ALSO REPRESENT A HAZARD FOR THE USER.
!
INSTALLATION - OPERATING & MAINTENANCE MANUAL
Page 2
IDENTIFICATION OF THE UNIT
The HH air treatment units come with a rating plate, which shows:
- The manufacturer's address - Supply voltage in "V"
- "CE" marking - Supply frequency in "Hz"
- Model - Nu mber of phases, indicated with "Ph"
- Lot number - Total cooling capacity in "W"
- Date of production - Sensible cooling capacity in "W"
- Rated absorbed current in "A" - Heat output.
- Input in "W"
TRANSPORTATION, RECEIVING, HANDLING
The units and their accessories are enclosed in cardboard boxes up to size 50, while the other sizes are palletised.
The packs should be kept intact until positioned in the final place of installation.
Use suitable handling equipment according to the weight of the unit, as provided for by directive 89/391/EEC and
subsequent amendments.
The weight of each single machine is given in this guide (table 2).
Upon receiving the unit, check all the parts for any damage caused in transit. Any damage should be reported to the
carrier by affixing an accepted with reservation on the accompanying note, specifying the type of damage.
In the event of prolonged storage, keep the units protected against dust and far from sources of vibration or heat.
The number of units that may be positioned on one pallet are given in the table (table 1).
SAFETY PROVISIONS
Secure packs during
transportation.
Do not e pose to the
elements.
Do not tread on packs. Protect hands with work gloves
when dismantling the unit.
Work in PAIRS if the
appliance weighs
more than 25 kg.
Tab. 1
MODE HH 10HH 20HH 30HH 40 HH 50
HH
60
HH 70
Max. number per pallet
Pallet size
Unit overall dim.
mm650x533x2991.000x533x2991.100x533x3241.339x533x3241.339x533x3741.341x853x6742.028x853x674
N.10555522
140x80 120x80 120x80 150x80 150x80 150x100 230x100
N.B.: the units may be stacked up to a maximum of 1.80 m in height
LENNOX CANNOT BE HELD LIABLE FOR DAMAGE DUE TO INCORRECT
HANDLING OR LACK OF PROTECTION AGAINST THE ELEMENTS.
!
INSTALLATION - OPERATING & MAINTENANCE MANUAL
Page 3
DESCRIPTION OF THE UNIT
MODELS HH 10, 20, 30, 40, 50
51
MODELS HH 60-70
51
B
44
44
37
L
51 51
B
44
44
37
L
29 29
P
26
A
76
H
107 Ø 20
29 29
P
26
A
76
H
107 Ø 20
Fig. 1
HH
UNIT BASE
400
A
SSPSREPAMBAMRAM
B
B50
50
B 5050
B
B
B50
50
B5050
20426 26
A1111
A1111
341
A115
20426 26
A1111
A1111
70
A
ØBAM
30
B51
51
L
B 5151
4444
P
26
H
A
29 29
76
26A76
ØAFØAC
ØC
Fig. 2
GENERAL SIZE OF THE BASE UNIT
GENERAL SIZE OF DUCTWORK ACCESSORIES
INSTALLATION - OPERATING & MAINTENANCE MANUAL
Page 4
GENERAL TECHNICAL DATA
MAIN PARTS
LOAD-BEARING STRUCTURE
Galvanised (1 mm for mod. 10-50 and 1.5 mm for mod. 60-70) plate, insulated wherever it is in indirect contact with
the heat-carrying fluid. Condensate collecting tray in insulated, galvanised plate complete with fittings for condensate
drainage. Slots for easy wall-mounting and levelling of unit.
HEAT EXCHANGER COIL
Coils in copper piping expanded into aluminium fins in continuous block. Copper headers with brass connections
equipped with male fittings (gas thread) and easily accessible air valves.
Water fittings placed on the left (facing the unit). They may be supplied on the right on request.
ELECTRIC FAN UNIT
Double-inlet centrifugal fans with statically and dynamically balancing horizontally-oriented aluminium impellers.
Single-phase asynchronous electric motor with overload cutout. 3 speeds of rotation. The motor is directly coupled to
the fans and cushioned with flexible mountings to ensure low noise.
ACCESSORIES
SSP Section with external air intake (manual). Made in galvanised sheet metal, it allows a change of air in the
rooms. Internal air flow: 100%-66.6%. External air flow: 0%¸33.3%
SRE Heating section with electric heating element (380V), fabricated to international safety standards. It comes
complete with safety thermostat with automatic reset, interface control relay, wiring and control panel with on-
off/magnetothermal switch
FAM Connecting flange
GAM Vibration isolation joint
PAM Straight intake/delivery plenum
BAM Intake/delivery union with circular fittings
RAM 90° intake/delivery plenum
SFA Air filter section. Filtering membrane enclosed within a metal frame for easy extraction. Filtering rate EU3.
Regenerable by washing in water, blowing, suction
AUXILIARY COIL for heating (4 rows)
4 AND 6-ROW COIL
Fans - Motors
No.
Rows No.
Fittings (ØAF)
Ø
Rows No.
Fittings
(ØAC) Ø
Condensate drain fitting
(ØC) Ø mm
Height
mm
Width
mm
Depth
mm
(A)
mm
(
B)
mm
No. x Ø AM mm
Net weight
kg
Electric fan power W
Electric fan current A
Standard coil
(H)
(L)
(P)
ELECTRICITY SUPPLY 230 V/1/50 Hz
MODELHH 10 HH 20 HH 30 HH 40 HH 50 HH 60 HH 70
1-1 2-1 2-1 2-1 2-1 1-1 2-2
333 3344
1/2" 1/2" 3/4" 3/4" 1" 1"1/4 1"1/2
111 1122
1/2" 1/2" 1/2" 1/2" 3/4" 1" 1"1/4
20 20 20 20 20 20 20
299 299 324 324 374 674 674
650 1.000 1.100 1.339 1.339 1.341 2.028
533 533 533 533 533 853 853
197 197 222 222 272 572 572
548 898 998 1.237 1.237 1.239 1.926
2xØ200 3xØ200 3xØ200 4xØ200 4xØ200 2xØ200 4xØ200
28 26 41 46 57 117 192
162 218 322 340 582 1.320 2.600
0,72 0,97 1,43 1,51 2,58 5,86 11,54
Auxiliary coil
Tab. 2
INSTALLATION - OPERATING & MAINTENANCE MANUAL
Page 5
UNIT INSTALLATION
RECOMMENDATIONS FOR INSTALLATION!
Before installing the unit, ensure that:
1) the place of installation has sufficient space for carrying out installation as well as routine and extraordinary maintenance work
(see fig. 3). If the unit is installed behind a suspended ceiling, an access should be provided;
2) there are no obstructions for air intake and delivery;
3) the water fittings are of the sizes, in the position and spaced apart as required by the unit;
4) the system pressure does not exceed 8 bar for the water-filled versions;
5) the electricity supply corresponds to the data on the unit rating plate and that there is a circuit breaker switch readily accessible
to the user to cut off the power supply whenever necessary;
6) the circuit breaker is in the FF position so that there is no voltage on the unit supply line.
!
Fig. 4 Fig. 5
Drill the holes in line with the relative slots for the 6 unit screw anchors (fig. 4). Inject thermosetting resin into the
holes and then insert the screw anchors (fig. 5).
Preliminary operations:
- check that the various unit components are perfectly intact;
- check that the installation accessories and documentation are in the pack;
- place the packed section as close as possible to the place of installation;
- do not place tools or weights of any kind on the packed unit.
Fig. 3
INSTALLATION OF THE AIR TREATMENT UNIT
P
1,5 P
INSTALLATION - OPERATING & MAINTENANCE MANUAL
Page 6
UNIT INSTALLATION
Fix the threaded rods of the correct length to the screw anchors (fig. 6) and insert them into the relative slots (fig. 7).
After having created a slope (max. 3 cm/m) in the direction of the condensate outlet, lock the threaded rod with a nut
and check nut. To prevent possible noise being created by vibrations from the unit, it is advisable to insert a vibration-
damping joint.
N.B.: the screw anchors, threaded rods and whatever else is necessary for accomplishing the installation are N T
included in the supply of the air treatment unit.
INSTALLATION OF THE ACCESSORIES
LEGEND
1 RAM 90° intake/delivery plenum
2 BAM intake/delivery union with circular fittings
3 PAM straight intake/delivery plenum
4 SRE heating section (with electric heating element)
5 GAM vibration isolation joint
6 FAM connecting flange
7 UTC base unit
8 SFA air filter section
9 SSP section with external air intake (manual).
N.B.: Fig. 8 shows the exploded view of the unit with ALL the accessories.
Fig. 6 Fig. 7
12345 6 7891
Fig. 8
INSTALLATION - OPERATING & MAINTENANCE MANUAL
Page 7
INSTALLATION OF THE ACCESSORIES
Fig. 9
First of all put the air filter section (SFA) on the unit intake, inserting it into the special rim (male-female) and fixing it
with the galvanised self-tapping screws 4.2x9.5.
Proceed as described above on the delivery end with the connecting flange (FAM).
Put the vibration isolation joint (GAM) on the flange and fix it using the cheese-headed screws M8x16 and hexagon
bolts.
Some examples are given below of assembling the accessories for ducted air treatment units.
Proceed by inserting the manual air intake section (SSP) into the air filter section (SFA) by means of the male-female
coupling.
After having secured it with the self-tapping screws (4.2 x 9.5 galvanised), anchor it to the ceiling as illustrated for the
base unit in figures 4-7.
Put another connecting flange on the vibration isolation joint (GAM) and secure it using cheese-headed screws M8x16
and hexagon bolts.
Insert the straight delivery plenum (PAM) in the connecting flange and fix it using galvanised self-tapping screws 4.2
x 9.5.
Connect the air delivery union with round fittings (BAM) with the procedure described above.
Fig. 1
GAM
PAM FAM
FCC SFA
GAM
PAM FAM
FCC SFA SSP
BAM
INSTALLATION - OPERATING & MAINTENANCE MANUAL
Page 8
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1
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