Lennox ASC Series User manual

www.lennoxemea.com

ASC/ASH

20 - 230 kW

AIR COOLED CONDENSING UNIT

INSTALLATION, OPERATING

AND MAINTENANCE

MIL152E-1217 01/2019

• 1 •

1 -

1.1 4

1.2 5

1.3 6

1.4 6

1.5 7

1.6 11

2 -

2.1 12

2.2 12

2.3 13

2.4 13

2.5 14

2.6 15

2.7 19

2.8 21

2.9 22

3 -

3.1 23

3.2 24

4 -

4.1 25

4.2 25

4.3 26

ASC/ASH

Installation, Operation and Maintenance manual • ASC/ASH-MIL152E-1217-01/2019

WARNING: Read this manual before carrying out installation, repair or maintenance work.

All the technical and technological information contained in this manual, including any drawings and technical descriptions provided by us, remain

the property of Lennox and must not be utilised (except in the operation of this product), reproduced, issued to or made available to third parties

without the prior written agreement of Lennox.

INSTALLATION

OPERATION

MAINTENANCE MANUAL

TABLE OF CONTENTS

POINTS TO BEAR IN MIND

DATA PAGE FOR COMMISSIONING OF THE UNIT

GENERAL CHARACTERISTICS

Physical data

Electrical data

Fan performance

Operating limits

Piping drawings

Unit dimensions

INSTALLATION

Preliminary preparations

Unit acceptance

Unit location

Installation clearances

Inside location

Refrigerant connections

Electrical connections

Dry contact board control

Options installation

COMMISSIONING AND OPERATION

Preliminary checks before ﬁrst installation

Preliminary checks at ﬁrst installation

MAINTENANCE

Preventive maintenance

Corrective maintenance

Fault diagnosis

• 2 • Installation, Operation and Maintenance manual • ASC/ASH-MIL152E-1217-01/2019

• 3 • Installation, Operation and Maintenance manual • ASC/ASH-MIL152E-1217-01/2019

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 modiﬁcations 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.

The manufacturing of these units is made under the requirements of the ISO 9001 and ISO 14001.

DANGER AND WARNING SIGNS

Abrasive surfaces Low temperatures High temperatures Risk of injury from

moving objects Electrical voltage Risk of injury from

rotating objects

POINTS TO BEAR IN MIND

• 4 • Installation, Operation and Maintenance manual • ASC/ASH-MIL152E-1217-01/2019

DATA PAGE FOR UNIT COMMISSIONING

COOLING CYCLE

Air intake temperature to the outdoor

coil: 1ºC

2ºC

Air output temperature to the

outdoor coil: 1ºC

2ºC

High pressure: Circuit 1

Circuit 2

Low pressure: Circuit 1

Circuit 2

HEATING CYCLE

Air intake temperature to the outdoor

coil: 1ºC

2ºC

Air output temperature to the

outdoor coil: 1ºC

2ºC

High pressure: Circuit 1

Circuit 2

Low pressure: Circuit 1

Circuit 2

YES NO

Unit on shock absorbers

Drainage with trap

Main power supply connection

Control panel connection

Compressor oil level indicator

DATA INPUT:

ELECTRIC POWER CONSUMPTION (Amps)

Compressor 1:. . . . . . . . . . . . . . . . . . .

Compressor 2 : . . . . . . . . . . . . . . . . . .

Compressor 3 : . . . . . . . . . . . . . . . . . .

Outdoor fan section 1 . . . . . . . . . . . . .

Outdoor fan section 2 . . . . . . . . . . . . .

Compressor 1:. . . . . . . . . . . . . . . . .

Compressor 2 : . . . . . . . . . . . . . . . .

Compressor 3 : . . . . . . . . . . . . . . . .

Outdoor fan section 1 . . . . . . . . . . .

Outdoor fan section 2 . . . . . . . . . . .

UNIT: ___________________________________________ SERIAL NUMBER :___________________________________

CONTROL PANEL IDENTIFICATION CODE : _________________________________________________________________

INSTALLATION ADDRESS: _______________________________________________________________________________

INSTALLER : _____________________________________ INSTALLER TEL : ____________________________________

INSTALLER ADDRESS :__________________________________________________________________________________

______________________________________________________________________________________________________

COMMISSIONING DATE : ________________________________________________________________________________

CHECKS : _____________________________________________________________________________________________

______________________________________________________________________________________________________

SUPPLY VOLTAGE :_______________________________ RATED VOLTAGE OF THE UNIT : _______________________

Options installed : ____________________________________________________________________________

___________________________________________________________________________________________

Comments :_________________________________________________________________________________

___________________________________________________________________________________________

• 5 •

A S C 020 S N M 3 M

ASC/ASH 100D 120D 140D 200D 230D

22344

632 797 906 1659 1679

748 828 932 1684 1704

9 9 9 n/a n/a

40 40 40 80 80

22700+18100 22700+18100 22700+22700 28600+28600 36000+36000

ASC/ASH 040S 045D 055D 070D 085D

12222

255 443 452 481 520

258 452 463 499 537

36666

N/A

11000 9750+9750 11500+11500 11300+11300 11000+11000

ASC/ASH 020S 025S 030S 035S

255 443 452 520

258 452 463 537

3666

N/A

6800 9750 11500 11300

- - -

Installation, Operation and Maintenance manual • ASC/ASH-MIL152E-1217-01/2019

1. GENERAL CHARACTERISTICS

1.1.- PHYSICAL DATA

ASC/ADC: Cooling only unit R-410A.

ASH/ADH: Heat pump unit R-410A.

(*) 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 21 to calculate refrigerant charge for model ASC/ADC and ASH/ADH units to work with Air treatment units).

R-410A factory refrigerant precharge kit is available as an option.

Air cooled

condensing unit C: Cooling only

H: Heat pump Type of refrigerant

M: R-410A

Approximate cooling

capacity in kW

S: Outdoor unit Split

S: One Circuit

D: Two Circuits

Number

of revision

M: 400V/3/50

MODELS

Type of compressor Scroll

Number of compressors

Net weight

Cooling only unit

ASC/ADC

Heat pump unit

ASH/ADH

Optional Soft starter

Optional FP1

Air ﬂow m3/h

Refrigerant charge NITROGEN (*)

MODELS

Type of compressor Scroll

Number of compressors

Net weight

Cooling only unit

ASC/ADC

Heat pump unit

ASH/ADH

Optional Soft starter

Optional FP1

Air ﬂow m3/h

Refrigerant charge NITROGEN (*)

MODELS

Type of compressor Scroll

Number of compressors

Net weight

Cooling only unit

ASC/ADC

Heat pump unit

ASH/ADH

Optional Soft starter

Optional FP1

Air ﬂow m3/h

Refrigerant charge NITROGEN (*)

n/a: not available

Units valid for combine with air treatment units

• 6 •

3/400V/50Hz

2,00 / 6,20 2,00 / 6,20 1,00 / 5,2 5,8 / 14,2 2 / 10,4

3,2 / 9,8 3,2 / 9,8 1,6 / 8,2 9,6 / 22,8 3,2 / 16,4

020S 025S 030S 035S 040S 045D 055D

3N~400V

50Hz 3~400V 50Hz

8,25 10,1 11,8 15,6 16,9 20,2 23,6

0,3 0,69 0,69 0,84 0,84 1,38 1,38

8,55 10,79 12,49 16,44 17,74 21,58 24,98

15 21 22 25,6 31 42 44

1,6 3 3,4 3,4 3,4 6 6,8

16,6 24 25,4 29 34,4 48 50,8

87,5 97,4 104 138 17,2 121 129

070D 085D 100D 120D 140D 200D 230D

3~400V 50Hz

31,1 33,8 42,6 45,6 55,9 78,8 88,2

1,68 1,68 3,05 3,05 4 4,2 8

32,78 35,48 45,65 48,65 59,9 83 96,2

51,2 62 77,6 84 102 142 159

6,8 6,8 6,4 6,4 8 9,6 16

58 68,8 84 90,4 110 151,6 175

167 206 221 228 292 302,9 358

Installation, Operation and Maintenance manual • ASC/ASH-MIL152E-1217-01/2019

1.2.- ELECTRICAL DATA

ELECTRICAL CONSUMPTION FOR STANDARD UNITS

ADDITIONAL ELECTRICAL CONSUMPTION FOR THE OPTIONS

MODELS

ASC/ASH

Voltage Ph/V/Hz

Maximum absorbed power (kW)

Compressor

Fan

Total power

Maximum current (A)

Compressor

Fan

Total current

Start up current (A)

MODELS

ASC/ASH

Voltage Ph/V/Hz

Maximum absorbed power (kW)

Compressor

Fan

Total power

Maximum current (A)

Compressor

Fan

Total current

Start up current (A)

FP1 OPTION

ASC/ASH

100D FP1

(Low Speed/

High speed)

120D FP1

(Low Speed/

High speed)

140D FP1

(Low Speed/

High speed)

200D FP1

(Low Speed/

High speed)

230D FP1

(Low Speed/

High speed)

Voltage Ph/V/Hz

Maximum absorbed power kW

Maximum current A

Start up current A

1. GENERAL CHARACTERISTICS

• 7 •

(*) DB:

(**) WB:

100D - 120D - 140D 200D 230D

19000 + 19000 28000 + 28000

510

18000 + 18000 24000 + 24000

5,1 10.2

100

17000 + 17000 22000 + 22000 N/A

5,2 10,4 N/A

125

15000 + 15000 20000 + 20000 N/A

5,3 10,6 N/A

100D - 120D - 140D 200D - 230D

22000 + 22000 34000 + 34000

9,2 18,4

100

20000 + 20000 28000 + 28000

9,3 18,6

125

18000 + 18000 24000 + 24000

9,4 18,8

45ºC

(20S-25S-30S-45D-55D)

-------------

47ºC

(35S-40S-70D-85D-100D-120D-140D)

20S-25S-30S-45D-55D)

-------------

47ºC

(35S-40S-70D-85D-100D-120D-140D)

32ºC DB

23ºC WB

32ºC DB

23ºC WB

27ºC DB

21ºC DB

15ºC WB

21ºC DB

15ºC WB

-10ºC DB

-11ºC WB

15ºC DB

Installation, Operation and Maintenance manual • ASC/ASH-MIL152E-1217-01/2019

1.3.- FAN PERFORMANCES

1.3.1.- CONDENSING UNIT WITHAVAILABLE HIGH PRESSURE FAN (OPTION)

1.4.- OPERATING LIMITS (For installation with air treatment units. Example)

With low temperature 0ºC kit (option) Dry bulb temperature.

With option kit low temperature -15ºC or kit -15ºC and low noise level. Wet bulb temperature

Air ﬂow data / FP1 option / Low speed.

Air ﬂow data. FP1 option. High speed.

MODELS

Fan type Axial “short case” - direct coupling

900 r.p.m. (Low speed) 3~400V

Fan number

Available static pressure

(Pa)

Airﬂow rate m3/h

Absorbed power kW

Airﬂow rate m3/h

Absorbed power kW

Airﬂow rate m3/h

Absorbed power kW

Airﬂow rate m3/h

Absorbed power kW

MODELS

Fan type Axial “short case”-direct coupling

1450 r.p.m. (High speed) 3~400V

Fan number

Available static pres-

sure Pa,

Airﬂow rate m3/h

Absorbed power kW

Airﬂow rate m3/h

Absorbed power kW

Airﬂow rate m3/h

Absorbed power kW

n/a: Not available

1. GENERAL CHARACTERISTICS

COOLING ONLY UNITS Maximum temperatures Minimum temperatures

Cooling cycle operation

Indoor temperature

Outdoor temperature +10ºC STANDARD UNIT

(*) / (**)

HEAT PUMP UNITS Maximum temperatures Minimum temperatures

Cooling cycle operation

Indoor temperature

Outdoor temperature 0ºC

Heating cycle operation

Indoor temperature

Outdoor temperature Depending on model

(See tables for heating capacities)

• 8 •

HP1

DS HP2

SVL1 CH1

SVL3 CH3

LPT1 HPT1

LPT2 HPT2

ASC 020S/025S/030S/035S/040S

SVL1

LP1 HP1 PT1

(ELEMENTO OPCIONAL)

CH1

HPT1

LPT1

(ELEMENTO OPCIONAL)

055D/070D/085D

SVL3

LP2

CH3

HP2 PT2

SVL1

LP1

CH1

HP1 PT1

ASC 045D/055D/070D/085D

HPT1

LPT1

LPT2 HPT2

Installation, Operation and Maintenance manual • ASC/ASH-MIL152E-1217-01/2019

1.5.- PIPING DRAWINGS

COOLING ONLY UNITS

AIR TREATMENT UNIT. EXAMPLE CONDENSING UNIT

OPTION ELEMENT

Scroll compressor

Fan

Expansion valve Filter drier

Service valve option

Fan motor

Coil

Suction accumulator (long distance connection option).

Coil

AIR TREATMENT UNIT. EXAMPLE CONDENSING UNIT

OPTION ELEMENT

Scroll compressor

Fan

Coil

Expansion

valve

Expansion valve

Filter drier

Service valve

option

Suction accumulator (long distance connec-

tion option).

Suction accumulator ( long distance connec-

tion option).

Fan motor

Coil

Fan motor

Coil

Service valve option

Service valve

option

1. GENERAL CHARACTERISTICS

Pressure gauge (5/16” to be ﬁtted by the installer) High pressure switch, circuit 1

Discharge sensor High pressure switch, circuit 2

Liquid solenoid valve. (long distance option)

To be connected by the installer to air treatment unit. Crankcase heater (Low ambient option)

Crankcase heater (Low ambient option)

Low pressure switch, circuit 1 High pressure transducer, circuit 1

Low pressure transducer, circuit 2 High pressure transducer, circuit 2

Outdoor temperature sensor

• 9 •

CH3

CH2

CH1

ASC 100D/120D/140D

HPT1

LPT1

LPT2 HPT2

HP1

DS HP2

SVL1 CH...

SVL3 HPT1

LPT1 HPT2

LPT2 OS

Installation, Operation and Maintenance manual • ASC/ASH-MIL152E-1217-01/2019

1.5.- PIPING DRAWINGS

COOLING ONLY UNITS

Scroll compressor

AIR TREATMENT UNIT. EXAMPLE CONDENSING UNIT

OPTION ELEMENT

Fan Coil

Expansion valve

Filter drier

Service valve

option

Service valve

option

Service valve option

Suction accumulator (Low ambient

-15ºC and low noise level option).

Suction accumulator (Low ambient -15ºC and

low noise level option).

Fan motor

Coil

Fan motor

Coil

1. GENERAL CHARACTERISTICS

Pressure gauge. (5/16” to be ﬁtted by the installer) High pressure switch, circuit 1.

Discharge sensor High pressure switch, circuit 2.

Liquid solenoid valve. (long distance option)

To be connected by the installer to air treatment unit.

Crankcase heater (Low ambient option)

High pressure transducer, circuit 1

Low pressure switch, circuit 1 High pressure transducer, circuit 2

Low pressure transducer, circuit 2 Outdoor temperature sensor

This manual suits for next models

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