Lennox CLIMATIC 60 Manuel utilisateur

CLIMATIC™ 60

9 - 1000 kW

ECOLEAN™

NEOSYS™

User manual

CL60 AC-CHILLER-IOM-1011-E

Air cooled chiller

• 1 •

CLIMATIC™ 60

CL60-AC CHILLER-IOM-1011-E

CONTROL MANUAL Ref : CL60-AC CHILLER-IOM-1011-E

TABLE OF CONTENTS

AIR COOLED CHILLER

INTRODUCTION

CLIMATIC™ 60 controller

Compatibility

Warning

OVERVIEW

Compressor

Condenser fan

Fan SMART ACOUSTIC SYSTEM™

Water evaporator

Changeover heating/cooling mode

Coil defrost

Free cooling

Electronic expansion valve

Electrical heater

Power factor corrector

Pump evaporator management

Pump evaporator ﬂow control

Pump condenser management

Pump condenser ﬂow control

Free input/output

ON/OFF control

Real time lock

Scheduling zone

Scheduling mode

Schedule anticipation start-up

COMMUNICATION

Master / slave

DS60 display

DC60 advanced display or DS60 display

DC60 list

BMS

Alarms

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.

• 2 • CL60-AC CHILLER-IOM-1011-E

INTRODUCTION

OVERVIEW

CLIMATIC™ 60 CONTROLLER

The new generation of microprocessor based control, CLIMATIC™ 60 may be ﬁtted to the LENNOX chiller or heat pump range. It inherits

20 years of technology and ﬁeld operating experience from its predecessors the CLIMATIC™ 1, CLIMATIC™ 2 and CLIMATIC™ 50.

LENNOX has found the latest hardware technology available on the market place and developed software speciﬁcally designed for

chiller and heat pump applications, maximising the LENNOX unit’s efﬁciency and performance.

COMPATIBILITY

This documentation is compatible with the chiller and heat pump range's programs from software version CH060 STD - Vers. 01.0 -

Rev 00.1:

• ECOLEAN™,

• NEOSYS™.

•

WARNING

Any parameter modiﬁcation should be carried out by trained and licensed competent technician. Before start-up or restart of a unit

controlled by the CLIMATIC™ 60, it is mandatory to check adequacy between CLIMATIC™ 60 and the unit with its options. In case

of wrong parameters, the inputs / outputs connections could be incorrect and may create some operation problems for the units and

ultimately breakdowns. LENNOX cannot be held responsible for any claims on the units due to a wrong parameters sequence or a

parameters modiﬁcation carried out by non competent technicians. In this case, the warranty will be legally null and void.

pLan bus Fieldbus bus

BMS bus

• 3 •

12h/24h

9h 3h

12h/24h

18h

21h 15h

1, ., .

., 2, .

1, 2, .

., ., 3

1, ., 3

., 2, 3

1, 2, 3

CL60-AC CHILLER-IOM-1011-E

COMPONENTS

COMPRESSOR

Function

The CLIMATIC™ 60 manages the compressor(s) according to the outlet temperature demand and engages the number of compressor

calculated to reach the water set point.

Description

The CLIMATIC™ 60 offers possibilities to disable some compressor(s) on the circuit. Note this opportunity can also be done by dry

contact (Refer to the “Free input/output” paragraph).

The compressors allowed to run can be pre-speciﬁed according to the scheduling and can take different values for each schedule

mode (A, B, C, D, and BMS).

Setting

(3421)

Compressor on circuit

(case od 2 circuits)

Moreover, the circuit priority can be speciﬁed (for units with 2 circuits)

“Auto”:

The CLIMATIC™ 60 decides the priority of the circuit which starts ﬁrst. Note that the priority is swapped when all the compressors are

stopped in order to optimise the operating hours of the two circuits.

C Mode

C1: 1,2,3

C2: 1,2,3 A Mode

C1: 1,.,.

C2: 1,.,.

C Mode

C1: 1,2,3

C2: 1,2,3

B Mode

C1: 1,2,.

C2: 1,2,.

B Mode

C1: 1,2,.

C2: 1,2,.

D Mode

C1: .,.,3

C2: .,.,3

D Mode

C1: .,.,3

C2: .,.,3

• 4 •

(3331):

(3332):

(3335):

CL60-AC CHILLER-IOM-1011-E

COMPONENTS

The compressor is subject to various operating time in order to prevent from damage operating.

• The minimum ON time of the compressor is ﬁxed to 1 minute,

• The minimum OFF time of the compressor is ﬁxed to 1 minute,

• The minimum between 2 starts of the same compressor is ﬁxed to 5 minutes.

Compressor demand

Compressor output

Settings

The different settings to conﬁgure the compressors are available in the menu:

“Priority C1”:

The priority is ﬁxed to circuit 1, which means circuit 1 starts ﬁrst and stops the last.

“Priority C2”:

The priority is ﬁxed to circuit 2, which means circuit 2 starts ﬁrst and stops the last.

Enable of the compressor(s) on circuit 1

Enable of the compressor(s) on circuit 2

Priority of the circuit rotation.

• 5 •CL60-AC CHILLER-IOM-1011-E

COMPONENTS

CONDENSER FAN

Function

The CLIMATIC™ 60 is used to maintain the high pressure as stable as possible in order to increase the performance of the unit.

Description

The CLIMATIC™ 60 has 2 different fan managements according to the type of unit:

ECOLEAN™ (without fan speed inverter)

The CLIMATIC™ 60 manages 2 speeds on the fan (low and high speed).

NEOSYS™ standard unit (standard version without fan speed inverter)

The condensing temperature is reached according to the set point selected in the menu (3546). The fans are managed individually

except for the fans which are common for the two circuits.

In order to optimise the reactivity of the system at the startup of the circuit, an anticipation of the fan(s) is forced during the ﬁrst 30s

according to the outside air temperature.

Example: Case of unit with 4 condenser fans.

Outside air temperature (°C

Stopped

HP pressure (Bar)

Low speed

High speed

Cooling mode

Heating mode

Outside air temperature (°C)

Compressor pressure demand (%)

Fan anticipation (%)

Fan stages

• 6 •

(3546):

CL60-AC CHILLER-IOM-1011-E

COMPONENTS

Time

Temperature HP (°C)

Fan capacity (%)

Condensing set point

Settings

The different settings to adjust the condensing control are available in the menu:

NEOSYS™ (with fan speed inverter)

A fan inverter controlled by a PID algorithm is used to adjust the fans speed variation. Fan's startup anticipation is forced as for the

NEOSYS™ standard unit.

In order to optimise the performance of the unit, the condensing temperature is set according to outside air temperature and tries to

maintain a delta of 12°C (only for unit with electrionic expansion valve).

Note: this functionality can be disabled if the selected setting (3546) is different from the factory value. In this case the condensing

set point is the new selected value.

Outside air temperature (°C)

Set point = ext T° 12.0°C

Condensing set point (°C)

Condensing set point temperature.

• 7 •CL60-AC CHILLER-IOM-1011-E

COMPONENTS

FAN SMART ACOUSTIC SYSTEM™

Function

The CLIMATIC™ 60 controls the fan speed limited by the Smart Acoustic System™ which allows progressive adaptation of the unit

to the building load while respecting the noise level constraints and the operating limits.

Description

The maximum sound level and the fan strategies can be adjusted according to the schedule mode in order to beneﬁt from the different

modes “High performance”, “Quiet” and “Quiet++” operation as well as in heating or cooling mode.

The acoustic mode offers 2 possibilities to manage the condenser fan:

Quiet”

In this mode, the fan capacity is limited according to the desired sound level. For fan using low / high speed, the high speed is locked. In

case of condensing temperature too high, the CLIMATIC™ 60 unlocks the limit or the high speed to prevent from unloading compressor.

Outside air temperature (°C

Stopped

HP pressure (Bar)

Low speed

High speed

Cooling mode

Heating mode

Fan speed (%)

Maximum = (3545)

Fan capacity (%)

Maximum = 100%

Temperature HP (°C)

(3546) Condensing set point

(3442) Unloading set point

Cooling mode

Heating mode

• 8 •

12h/24h

9h 3h

12h/24h

18h

21h 15h

CL60-AC CHILLER-IOM-1011-E

COMPONENTS

“Quiet++”

This mode is similar to the “Quiet” mode except that the fan speed limit or the high speed is never unlocked. In case of condensing

temperature too high, the CLIMATIC™ 60 will unload a compressor to prevent from high pressure security.

The Smart Acoustic System™ can be adjusted according to the scheduling and can take different values for each schedule mode (A,

B, C, D, and BMS).

Outside air temperature (°C

Stopped

HP pressure (Bar)

Low speed

High speed

Cooling mode

Heating mode

Fan speed (%)

Maximum = (3545)

Fan capacity (%)

Maximum = 100%

Temperature HP (°C)

Compressor unloading

(3546) Condensing set point

(3442) Unloading set point

Cooling mode

Heating mode

C Mode

Quiet

A Mode

Quiet+

C Mode

Not Set

B Mode

Not Set

B Mode

Quiet

D Mode

Quiet+

D Mode

Quiet

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