Lennox COMPACTAIR CSC User manual

lennoxemeia.com
COMPACTAIR
CSC - CSH
CDC - CDH
Installation,
operating
and maintenance
Vertical packaged air conditioner
Outdoor unit
20 > 100 kW
MIL120E-0613 / 06-2013
Translation of original manual

1
4
4
4
5
6-11
12-13
14
14
16
17
17
17
18-21
22-23
24
25
26-27
28
28
29
2.- INSTALLATION PAGE
3.- COMMISSIONING AND OPERATION PAGE
4.- MAINTENANCE PAGE
DATA PAGE FOR COMMISSIONING UNIT PAGE 3
TABLE OF CONTENTS
POINTS TO BEAR IN MIND PAGE 2
1.- GENERAL CHARACTERISTICS PAGE
1.1.- PHYSICAL DATA
1.2.- ELECTRICAL DATA
1.3.- OPERATING LIMITS
1.4.- FAN PERFORMANCES
1.5.- PIPING DRAWINGS
1.6.- UNIT DIMENSIONS
2.1.- PRELIMINARY PREPARATIONS
2.2.- UNIT ACCEPTANCE
2.3.- OPTIONAL OPERATIONS PRIOR TO UNIT INSTALATION
2.4.- UNIT LOCATION
2.5.- INSTALLATION CLEARANCES
2.6.- DRAINS
2.7.- REFRIGERANT CONNECTIONS
2.8.- ELECTRICAL CONNECTIONS
2.9.- OPTIONS INSTALLATION
3.1.- PRELIMINARY CHECKS BEFORE FIRST INSTALLATION
3.2.- PRELIMINARY CHECKS AT FIRST INSTALLATION
4.1.- PREVENTIVE MAINTENANCE
4.2.- CORRECTIVE MAINTENANCE
4.3.- FAILURE DIAGNOSIS
Lennox have been providing environmental solutions since 1895, our COMPACTAIR range continues to meet the stan-
dards that have made LENNOX a household name. Flexible design solutions to meet YOUR needs and uncompromi-
sing attention to detail. Engineered to last, simple to maintain and Quality that comes as standard.
For information on local contacts at www.lennoxeurope.com.
All the technical and technological information contained in this manual, including any drawing and technical descrip-
tions provided by us, remain the property of Lennox and must not be used (except in the operation of this product),
reproduced, issued to or made available to third parties without the prior written agreement of Lennox.
WARNING: Read this manual before installation, reparation o maintenance works.

2
Abrasive
surfaces
Risk of injury by
moving objects
High
temperatures
Low
temperatures
Risk of injury by
rotating objects
Electrical
voltage
ELECTRICAL CONNECTIONS
Make sure to switch off the power before installing, repairing or carrying out maintenance on the unit,
in order to prevent serious electrical injury.
Keep local and national legislation in mind when installing the unit.
Standard Guidelines to Lennox equipment
All technical data contained in these operating instructions, including the diagrams and technical description remains
the property of Lennox and may not be used (except for the purpose of familiarizing the user with the equipment),
reproduced, photocopied, transferred or transmitted to third parties without prior written authorization from Lennox.
The data published in the operating instructions is based on the latest information available. We reserve the right to
make modications without notice.
We reserve the right to modify our products without notice without obligation to modify previously supplied goods.
These operating instructions contain useful and important information for the smooth operation and maintenance of
your equipment.
The instructions also include guidelines on how to avoid accidents and serious damage before commissioning the
equipment and during its operation and how to ensure smooth and fault-free operation. Read the operating instructions
carefully before starting the equipment, familiarize yourself with the equipment and handling of the installation and
carefully follow the instructions. It is very important to be properly trained in handling the equipment. These operating
instructions must be kept in a safe place near the equipment.
Like most equipment, the unit requires regular maintenance. This section concerns maintenance and management
personnel.
If you have any queries or would like to receive further information on any aspect relating to your equipment,
do not hesitate to contact us.
POINTS TO BEAR IN MIND
DANGER AND WARNING SIGNS

3
1 ºC
2 ºC
1 ºC
2 ºC
1 ºC
2 ºC
1 ºC
2 ºC
DATA PAGE FOR UNIT COMMISSIONING
UNIT:
INSTALLER TEL:INSTALLER:
CONTROL PANEL IDENTIFICATION CODE:
INSTALLATION ADDRESS:
SERIAL Nr:
CHECKS:
DATE OF COMMISSIONING:
SUPPLY VOLTAGE: RATED VOLTAGE OF THE UNIT:
UNIT ON SHOCK ABSORBERS
DRAINAGE WITH TRAP
MAIN POWER SUPPLY CONNECTION
CONTROL PANEL CONNECTION
COMPRESSOR OIL LEVEL INDICATOR
YES NO
DATA INPUT:
COOLING CYCLE
Air intake temperature to the outdoor coil:
Air output temperature to the outdoor coil:
High pressure:
Low pressure:
circuit 1
circuit 2
circuit 1
circuit 2
Air intake temperature to the outdoor coil:
Air output temperature to the outdoor coil:
High pressure:
Low pressure:
circuit 1
circuit 2
circuit 1
circuit 2
HEATING CYCLE
ELECTRIC POWER CONSUMPTION (Amps)
Compressor 1
Compressor 3
Outdoor fan section 1
Outdoor fan section 2
Options installed:
Comments:
Compressor 2 Compressor 2
INSTALLER ADDRESS:
Compressor 1
Compressor 3
Outdoor fan section 1
Outdoor fan section 2

4
C S C 020 S N M 3 M
CSC
CSH
020S
CSC
CSH
025S
CSC
CSH
030S
CSC
CSH
035S
CSC
CSH
040S
CSC
CSH
045D
CSC/CDC
CSH/CDH
055D
CSC/CDC
CSH/CDH
070D
CSC/CDC
CSH/CDH
085D
CSC
CSH
100D
257 290 297 352 365 443 524 549 581 865
262 295 302 357 370 448 529 554 586 870
7600 8500 10000 12000 11700 14000 20000 21000 22000
15500+11700
CSC
CSH
020S
CSC
CSH
025S
CSC
CSH
030S
CSC
CSH
035S
CSC
CSH
040S
CSC
CSH
045D
CSC/CDC
CSH/CDH
055D
CSC/CDC
CSH/CDH
070D
CSC/CDC
CSH/CDH
085D
CSC
CSH
100D
8.25 10.1 11.8 15.5 16.9 20.2 23.5 31 33.8 42.5
1.45 1.89 2.69 2.69 2.69 3.63 5.38 5.38 7.26 7.75
9.7 11.99 14.49 18.19 19.59 23.83 28.98 36.38 41.06 50.25
15 21 22 25.6 31 42 44 51.2 62 77.6
2.59 3.45 4.8 4.8 4.8 6.48 9.6 9.6 12.96 13.4
17.59 24.45 26.8 30.4 35.8 48.48 53.6 60.8 74.96 91
88.4 97.8 105.1 139.1 152.7 121.8 131.9/
210.2
169.5/
278.2
191.9/
308.8 207.9
3~400V 50Hz
1.- GENERAL CHARACTERISTICS
1.1.- PHYSICAL DATA
Unit
COMPACTAIR C: Cooling only
H: Heat pump
Type of refrigerant
M: R-410A
Approximate cooling
capacity in kW
S: Outdoor unit Split
D: Outdoor unit Multi-split
S: One Circuit
D: Two Circuits
No heat Number
of revision
M: 400V/3/50
CSC/CDC: Cooling only unit R-410A.
CSH/CDH: Heat pump unit R-410A.
UNIT MODELS
Compressor (Nr. / Type) 1/Scroll 1/Scroll 1/Scroll 1/Scroll 1/Scroll 2/Scroll 2/Scroll 2/Scroll 2/Scroll 2/Scroll
Net Weight
(Kg)
CSC/CDC Cooling only unit (Kg.)
CSH/CDH Heat pump unit (Kg.)
Air ow (m3/h)
Refrigerant charge NITROGEN(*)
(*) The units are supplied with nitrogen gas; this must be
removed and the unit charged with refrigerant R-410A,
depending on unit model.
(see page 23 to calculate refrigerant charge for model CSC/
CDC and CSH/DCH units to work with indoor units CIC/CIH).
R-410A factory refrigerant precharge kit is available as an
option.
1.2.- ELECTRICAL DATA
ELECTRICAL CONSUMPTION FOR STANDARD UNITS
UNIT MODELS
Maximum absorbed power (kW)
Compressor
Fan
Total power
Maximum current (A)
Compressor
Fan
Total current
Start up current (A)
Voltage V/f (50Hz)
1.3.- OPERATING LIMITS (For installation with CIC-CIH units)
OPERATING LIMITS FOR (COOLING ONLY) UNITS
COOLING CYCLE
OPERATION
INDOOR TEMPERATURE
OUTDOOR TEMPERATURE
MAXIMUM TEMPERATURES MINIMUM TEMPERATURES
+10ºC STANDARD UNIT
0ºC (*)
-15ºC (**)
INDOOR TEMPERATURE
MAXIMUM TEMPERATURES
COOLING CYCLE
OPERATION
HEATING CYCLE
OPERATION
INDOOR TEMPERATURE
OUTDOOR TEMPERATURE 27ºC
(With 20ºC outdoor temperature)
(*) With option kit low temperature 0ºC. (**) With option kit low temperature -15ºC.
OPERATING LIMITS FOR (HEATING PUMP) UNITS
DB: Dry bulb temperature. WB: Wet bulb temperature
(*) With option kit low temperature -15ºC.
MINIMUM TEMPERATURES
OUTDOOR TEMPERATURE
32ºC DB / 23ºC WB 21ºC DB / 15ºC WB
27ºC DB
32ºC DB / 23ºC WB
15ºC DB
21ºC DB / 15ºC WB
-12ºC
(With 20ºC indoor temperature)
45ºC (020-025-030-045-055)
47ºC (035-040-070-085-100)
45ºC (020-025-030-045-055)
47ºC (035-040-070-085-100) 0ºC UNIDAD ESTÁNDAR
-15ºC (*)

5
055D 7000 8000 9000 10000 10700
741 299 264 225 160 96
709 271 235 195 137 83
677 242 206 165 113 70
645 213 178 135 73 57
613 184 149 105 32 44
070D 7350 8400 9450 10500 11200
741 272 230 182 122 66
709 243 201 153 98 50
677 213 172 124 74 33
645 184 142 95 44 16
613 154 113 66 13 -0.4
085D 7700 8800 9900 11000 11750
751 277 235 187 126 69
719 247 199 159 101 51
686 208 162 120 71 36
654 181 139 89 24 15
621 154 112 65 12 n/a
020S 5300 6100 6850 7600 8100
751 178 156 134 104 77
719 162 140 118 89 64
686 141 118 96 67 38
654 124 101 78 47 6
621 108 86 64 35
(rpm) (m3/h)
025S 5950 6800 8500 9100
841 223 195 126 91
805 202 174 107 74
769 177 148 88 44
732 154 125 63 7
696 135 107 40 4
(rpm) (m3/h)
030S 7000 8000 9000 10000
934 272 234 194 142
894 246 208 168 117
854 213 175 134 84
814 186 146 106 55
773 161 123 82 36
(rpm) (m3/h)
035S 8400 9600 10800 12000 12850
741 209 191 171 146 125
709 189 171 152 126 105
677 168 151 132 107 87
645 148 131 112 88 68
613 128 111 92 69 50
(rpm) (m3/h)
040S 8200 9350 10525 11700 12500
741 205 188 170 148
709 185 168 150 128 110
677 163 146 128 106 89
645 143 127 109 87 68
613 126 110 91 69 51
(rpm) (m3/h)
045D 9800 11200 12600 14000
829 237 213 183 136
794 235 187 156 111
758 233 161 130 86
722 231 135 104 72
686 229 109 77 57
(rpm) (m3/h)
100D (C1) 10850 12400 13950 15500 16600
846 239 210 171 125
801 207 180 138 92 58
756 175 150 105 58 26
711 143 121 72 26 n/a
666 111 91 39 n/a n/a
(rpm) (m3/h)
100D (C2) 8200 9350 10525 11700 12500
743 201 187 157 141 119
711 199 167 136 161 101
679 197 148 116 102 83
647 195 128 95 84 64
615 193 108 75 65 46
(rpm) (m3/h)
(rpm) (m3/h)
(rpm) (m3/h)
(rpm) (m3/h)
•
•
•
Pulley closed
1 turn
2 turns
3 turns
4 turns
Pulley closed
1 turn
2 turns
3 turns
4 turns
Pulley closed
1 turn
2 turns
3 turns
4 turns
Pulley closed
1 turn
2 turns
3 turns
4 turns
Pulley closed
1 turn
2 turns
3 turns
4 turns
Pulley closed
1 turn
2 turns
3 turns
4 turns
Pulley closed
1 turn
2 turns
3 turns
4 turns
Pulley closed
1 turn
2 turns
3 turns
4 turns
Pulley closed
1 turn
2 turns
3 turns
4 turns
Pulley closed
1 turn
2 turns
3 turns
4 turns
Pulley closed
1 turn
2 turns
3 turns
4 turns
Illegal position because of the limit of engine power Note: The unit leaves factory with the pulley t to 2 open turns
1.4.- FAN PERFORMANCES (Available static pressure Pa.)
STANDARD UNITS WITHOUT OPTIONALS
1.- GENERAL CHARACTERISTICS

6
(ELEMENTO OPCIONAL)
045
DS
SVL3
C2
LP2
CH3
HP2 PT2
SVL1
C1
LP1
CH1
HP1 PT1
CIC 045
UNIDAD INTERIOR UNIDAD EXTERIOR
CSC 045
OS
SVL3
SVL1
DS
LPT2
HPT1
HPT2
CH1
CH3
OS
LPT1
CSC 020/025/030/035/040
UNIDAD INTERIOR
CIC 020/025/030/035/040
UNIDAD EXTERIOR
SVL1
HP1
(ELEMENTO OPCIONAL)
C1
CH1
DS
OS
LPT1
HPT1
HPT1
LPT1
HPT2
LPT2
1.- GENERAL CHARACTERISTICS
INDOOR UNIT OUTDOOR UNIT
OPTION ELEMENT
Scroll compressor
Fan
Expansion valve
Filter drier
Service valve
option
Service valve
option
Fan motor
Coil
Coil
INDOOR UNIT OUTDOOR UNIT
OPTION ELEMENT
Scroll compressor
Scroll compressor
Fan
Coil
Expansion valve
Expansion valve
Filter drier
Filter drier
Service valve
option
Suction accumulator
(Long distance connection option).
Suction accumulator
(Long distance connection option).
Fan motor
Coil
Pressure gauge. (5/16” to be tted by the installer).
Discharge sensor. (With C50 control).
Liquid solenoid valve. (Long distance option).
To be connected by the installer to indoor units.
Liquid solenoid valve. (Long distance option).
To be connected by the installer to indoor units.
Low pressure switch, circuit 1.
Low pressure switch, circuit 2.
High pressure transducer circuit 1.
High pressure transducer, circuit 2.
Crank case heater. (Low ambient 0ºC or -15ºC option).
Crank case heater. (Low ambient 0ºC or -15ºC option).
Outdoor temperature sensor
Service valve
option
Service valve
option
Service valve
option
1.5.- PIPING DRAWINGS COOLING ONLY UNITS
OPTION ELEMENT
Suction accumulator
(Long distance connection option).

7
(ELEMENTO OPCIONAL)
055/070/085
DS
SVL3
C2
LP2
CH3
HP2 PT2
SVL1
C1
LP1
CH1
HP1 PT1
CIC 055/070/085
UNIDAD INTERIOR UNIDAD EXTERIOR
CSC 055/070/085
OS
SVL3
SVL1
DS HP1
HP2
CH1
CH3
OS
LPT1
LPT1 HPT1
HPT2
LPT2
LPT2
HPT1
HPT2
1.- GENERAL CHARACTERISTICS
1.5.- PIPING DRAWINGS COOLING ONLY UNITS
INDOOR UNIT OUTDOOR UNIT
Scroll compressor
Scroll compressor
Fan
Coil
Expansion valve
Expansion valve
Filter drier
Filter drier
Service valve
option
Suction accumulator
(Long distance connection option).
Suction accumulator
(Long distance connection option).
Fan motor
Coil
Fan motor
Coil
Service valve
option
Service valve
option
Service valve
option
Pressure gauge. (5/16” to be tted by the installer).
Discharge sensor.
Liquid solenoid valve. (Long distance option).
To be connected by the installer to indoor units.
Liquid solenoid valve. (Long distance option).
To be connected by the installer to indoor units.
Low pressure transducer, circuit 1.
Low pressure transducer, circuit 2.
High pressure switch, circuit 1.
High pressure switch, circuit 2.
Crank case heater. (Low ambient 0ºC or -15ºC option).
Crank case heater. (Low ambient 0ºC or -15ºC option).
High pressure transducer, circuit 1
High pressure transducer, circuit 2.
Outdoor temperature sensor
OPTION ELEMENT

8
SVL3
C2
DS
SVL1
C1
PT2
CH3
LP2
HP2
PT1
CH2
LP1
CH1
HP1
UNIDAD EXTERIOR
CSC 100
UNIDAD INTERIOR
CIC 100
(ELEMENTO OPCIONAL)
OS
DS
SVL1
DS
SVL3
LPT1
HP1
HP2
CH3
CH1
CH2
OS
HPT1
LPT1
LPT2 HPT2
LPT2
HPT1
HPT2
1.- GENERAL CHARACTERISTICS
Pressure gauge. (5/16” to be tted by the installer).
Discharge sensor.
Liquid solenoid valve (Long distance option).
To be connected by the installer to indoor units.
Liquid solenoid valve (Long distance option).
To be connected by the installer to indoor units.
Low pressure transducer, circuit 1.
Low pressure transducer, circuit 2.
High pressure switch, circuit 1.
Coil
Fan motor
Coil
Fan motor
Suction accumulator
(Long distance connection option).
Suction accumulator
(Long distance connection option).
1.5.- PIPING DRAWINGS COOLING ONLY UNITS
Scroll compressor
Scroll compressor
Scroll compressor
INDOOR UNIT OUTDOOR UNIT
OPTION ELEMENT
Fan
Coil
Expansion valve
Expansion valve
Filter drier
Filter drier
Service valve option
Service valve option
Service valve option
Service valve option
Coil
High pressure switch, circuit 2.
Crank case heater. (Low ambient 0ºC or -15ºC option).
Crank case heater. (Low ambient 0ºC or -15ºC option).
Crank case heater. (Low ambient 0ºC or -15ºC option).
High pressure transducer, circuit 1.
High pressure transducer, circuit 1.
Outdoor temperature sensor

9
SVL1
DS
SVL2
SVL3
HP1
HP2
CH3
CH1
SVL4
OS
(ELEMENTO OPCIONAL)
SVL1 SVL2
C1
CH1
DS LP1 HP1 PT1
CSH 020/025/030/035/040
UNIDAD INTERIOR
CIH 020/025/030/035/040
UNIDAD EXTERIOR
OS
(ELEMENTO OPCIONAL)
SVL3 SVL4
045
DS
LP2
SVL1
HP2
SVL2
PT2
LP1 HP1 PT1
CH3
CH1
C2
C1
CIH 045
UNIDAD INTERIOR UNIDAD EXTERIOR
CSH 045
OS
HPT1
LPT1
HPT1LPT1
HPT2
LPT2
HPT1
HPT2
LPT1
LPT2
1.- GENERAL CHARACTERISTICS
1.5.- PIPING DRAWINGS HEAT PUMP UNITS
Scroll compressor
INDOOR UNIT OUTDOOR UNIT
OPTION ELEMENT
4-way valve
INDOOR UNIT OUTDOOR UNIT
Scroll compressor 4-way valve
Scroll compressor 4-way valve
OPTION ELEMENT
Fan
Expansion valve Filter drier
Service valve
option
Service valve
option
Fan motor
Coil
Suction accumulator
(Remote connection option)
Coil
Check valve Check valve
Filter drier Expansion valve
Check valve
Suction accumulator
Check valve
Coil
Fan motor
Coil
Fan
Expansion valve Filter drier
Service valve option
Service valve option
Suction accumulator (Long
distance connection option)
Check valve Check valve
Filter drier Expansion valve
Check valve
Suction accumulator
Check valve
Service valve option
Service valve option
Expansion valve Filter drier
Suction accumulator (Long
distance connection option)
Check valve Check valve
Filter drier Expansion valve
Check valve
Suction accumulator
Check valve
Pressure gauge. (5/16” to be tted by the installer).
Discharge sensor.
Liquid solenoid valve (Long distance option).
To be connected by the installer in the indoor unit.
Liquid solenoid valve (Long distance option).
Liquid solenoid valve (Long distance option).
To be connected by the installer in the indoor unit.
Liquid solenoid valve (Long distance option).
Low pressure transducer, circuit 1.
Low pressure transducer, circuit 2.
High pressure switch, circuit 1.
High pressure switch, circuit 2.
Crank case heater.
Crank case heater.
High pressure transducer, circuit 1.
High pressure transducer, circuit 2.
Outdoor temperature sensor.