Lennox CLIMATIC 40 User Manual

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Providing indoor climate comfort

CLIMATIC™ 40

MUL43E-1011 10-2011 Original manual translation

User manual

2-3 4-6

7-8

9 9

10 10 10

11-13

14 14 15

16 16-17 17-18

20-22

25-28

INDEX

CONTENTS PAGE

• INDEX

• DESCRIPTION OF CONTROLS

1.- CLIMATIC 40 CONTROL

2.- DC40 REMOTE TERMINAL (AIRCOOLAIR)

• MENU

• REGULATION

1.- AIRCOOLAIR /COMPACTAIR / FLATAIR

2.- AIRCUBE

• ADVANCED FUNCTIONS

1.- REMOTE ON/OFF

2.- REMOTE WINTER / SUMMER CHANGEOVER

3.- DYNAMIC SET POINT

4.- BMS COMUNICATIONS

5.- LOW NOISE

6.- ANALOGUE / DIGITAL INPUT

7.- TIMING AND DELAYS

8.- DEFROST

9.- CONDENSER FAN SPEED CONTROL

10.- FREE COOLING

• PARAMETERS

• SAFETY DEVICES

• INSTRUCTIONS FOR ASSEMBLY AND INSTALLATION

• ALARMS

AIRCOOLAIR / COMPACTAIR / FLATAIR AIRCUBE

DC 40

BM40 BM40

ASC-ASH / ADC-ADH

CSC-CSH / CMC-CMH / CDC-CDH

FMC/FSC-FMH/FSH

KSCM/KSHM

Climatic 40 control, is an electronic device that controls Aircoolair / Compactari / Flatair units (air-air units) and Aircube units (condensing units). The thermostat allows the following operations:

• Unit ON/OFF.

• Select system operating mode.

• Set point adjustment.

• Alarm signal relay.

• Display temperature, status of unit and pending alarms.

• Programming of time bands.

• BMS comunications.

• Possibility of remote ON/OFF.

Return / remote ambient, evaporator, temperature/pressure condenser and outdoor temperature probes.

Proportional regulation based on remote ambient /return temperature (cooling, heating and automatic mode).

Defrost cycle (heat pump units), with pressure tranducer.

Condensing pressure control with temperature probe or pressure transducer.

Antifreeze, high and low pressure protections.

Compressors, indoor and o utdoor fans, electrical heater and freecooling (optional) management.

Condenser temperature/pressure probes.

Regulation based on remote free voltage contacts.

Defrost cycle (heat pump units), with pressure tranducer.

Condensing pressure control with temperature probe or pressure transducer.

High and low pressure protections.

Compressors, indoor (optional) and outdoor fans.

DESCRIPTION OF CONTROLS

Condenser

temperature

/pressure

Fan speed

control

Expansión

board

Return air

duct

temperature

Evaporator

temperature

Outside

temperature

Fan speed

control

Expansión

board

Free cooling

motor damper

1.- CLIMATIC 40 CONTROL

Return or

remote

ambient

temperature

KLA

A B C D E

F G H

I+L

J+K

L+J

DESCRIPTION OF CONTROLS

CLIMATIC 40 CONTROL

The gure and the table below show the symbols present on the display and on the keypad,together with their meanings:

1.1.1.- TURN ON/OFF THE UNIT

The unit is turned on by closing the On/Off contact and turned off by opening it (see section 1, advanced functions, for more details).

1.1.- AIRCUBE

The main screeen shows:

- Ambient temperature for AIRCOOLAIR / COMPACTAIR / FLATAIR.

- Unit status (On/Off) for AIRCUBE.

SYMBOL

DESCRIPTION

LED ON LED FLASHING

1 or 2

Compressor 1 and /or 2 (circuit 1) ON. Start up request.

2 or 3

Compressor 3 and /or 4 (circuit 2) ON. Start up request. At least 1 compressor ON. Indoor fan ON. Start up request. Condenser fan ON. Defrost active. Start up request. Electrical heater ON. Start up request. Alarm active. Cooling mode. Cooling mode request. Heat pump mode. Heat pump mode. Request.

BUTTON DESCRIPTION TIME

Go up a sub-group inside the programming area. Press once Access the direct parameters. Press for 5 s Select item inside the programming area / conrm changes to the parameters. Press once Program parameters afters entering password. Press for 5 s Select top item inside the programming area. Press once Increase value. Press once Switch from standby to heat pump mode and vice-versa. Press for 5 s Provides immediate access to the condenser and evaporator pressure and temperature probes. Press once Select bottom item inside the programming area. Press once Decrease value. Press once Switch from stand-by to chiller mode and vice-versa. Press for 5 s Provides immediate access to the condenser and evaporator pressure and temperature probes. Press once Manual alarm reset. Press for 5 s Immediately reset the hour counter (inside the programming area). Press for 5 s Force manual defrost on both circuits. Press for 5 s

The heating mode is selected by opening the remote changeover contact while the cooling mode is selected byclosing it (see section 2, advanced functions, for more details).

NOTE There are no set points to be made for Aircube units because the compressors are directly controlled by remote contacts.

41 3

POWER

Mode

MODE

FAN

SLEEP

CLOCK

TEMP.

UP/DOWN

1 7

2 8

3 9

4 10

5 11

DESCRIPTION OF CONTROLS

2.- DC40 REMOTE TERMINAL (AIRCOOLAIR / COMPACTAIR / FLATAIR)

The illustration and the table below show the symbols that appear on the display and on the keypad and their meanings. OFF appears in the main eld of the display if the machine is off, or the set point if the machine is working.

Secundary functions:

Display symbols:

BUTTON NAME DESCRIPTION

Switch from stand-by to ON and vice-versa.

Change operating mode (cooling, heating, automatic).

Switch the indoor fan from automatic mode to always ON and vice-versa.

ActivateS/deactivateS the sleep mode.

ActivateS/deactivateS the time bands.

ShowS the set point when the unit is OFF.

Set the temperature.

BUTTON BUTTON PRESS FUNCTION

3 seconds Sets sleep differential value of the current operating mode.

3 seconds Sets the time bands (hour, day, set point).

5 seconds Clock setting.

3 seconds Reset alarms.

SYMBOL MEANING SYMBOL MEANING

Heating mode. On/Off time bands.

Cooling mode. Sleep mode.

Automatic mode. Duration or sleep mode.

Set point. Alarm.

Day of the week (weekday, weekend). Indoor fan mode.

Hour/Temperature.

This function increases (in cooling mode) or decreases (in heating mode) the operating set point according to the lower level of comfort required during the night. Not possible with time bands program. ACTIVATION Press “ ” button once. The display shows “ ” symbol with “1HR” ashing.

In this way, sleep function will work for 1 hour. If you want it to work for longer, press “ ” button repeatedly while “1HR” is still ashing (each press of the button increases by

1 hour, till max 9 hours). Finally, the display shows the “ ” symbol with the number of hours you choose. DEACTIVATION Press the “ ” button once and the sleep function will be deactivated (if it was activated before). The “ ” symbol disappears from the display. DIFFERENTIAL SETTINGS Press “ ” button for 3 seconds. The sleep differential (the value by which you increase or decrease the comfort set point) appears on the display. Use the “ ” buttons to set the value, then press the “ ” button to accept. Note that cooling and heating modes have different sleep differential values, so you can modify only the current operating mode’s value.

To set current time:

1. Press the “ ” button for 6 seconds. “rtc” and current time appears on the display (hours are ashing).

2. Set the hour using the “ ” buttons.

3. Press the “ ” button to accept. Minutes start ashing on the display.

4. Set the minutes using the “ ” buttons.

5. Press the “ ” button to accept. “day” and the number of the day of the week appear on the display (Monday=1, Tuesday=2 etc.)

6. Set the day by using the “ ” buttons.

7. Press the “ ” button to accept.

2.1.- TURN ON/OFF THE UNIT WITH REMOTE CONTROL DC40 (AIRCOOLAIR / COMPACTAIR / FLATAIR)

2.2.- SELECTING THE UNIT´S OPERATING MODE

Once the unit is turned on, you can select Cooling, Heating or Automatic mode just pressing the “Mode” button. In the automatic mode you just choose the set point and the system automatically switches from cooling to heating mode, depending on the position of the ambient temperature with respect to the set point.

2.3.- SELECTING DESIRED ROOM TEMPERATURE

If unit is working, the “ ” buttons allow the desired room temperature to be select (set-point). The “↑” button allows the current set point to be increased by 0.5ºC. The “↓” button allows the current set point to be decreased by 0.5ºC.

2.4.- SELECTING THE FAN OPERATING MODE (Aircoolair)

In order to be able to select a fan operating mode, the unit’s operating mode (cooling, heating or auto) must be selected. Pressing the side button “ ” scrolls through the following modes: FAN CONSTANTLY ON, or AUTO FAN CONSTANTLY ON: Fan is ON continuously and the “ ” simbol will appear. AUTO: Fan on and off together with the compressor or with the freecooling, the “ ” symbol will appear.

2.5.- SLEEP FUNCTION

2.6.- CLOCK SETTINGS

To turn on the unit press the “ ” button. The display shows current operating mode.

DESCRIPTION OF CONTROLS

2.7.- TIME BANDS PROGRAM

This function allows you to programme time bands during the week, each one with a different set point. In this way you can adapt

the cooling/heating provided by the unit according to each moment of the day.

You can set two time bands for the weekdays and another two for the weekend.

NOTE: For units without remote control DC40, fan operating mode can be selected with parameter H05=1 (continuous operating mode) or H05=2 (automatic operating mode).















23ºC 23ºC

OFF

DESCRIPTION OF CONTROLS

CONFIGURATION

NOTE: You must set the DC40 clock before programming time bands. Time bands programs keep current operating mode (if it was in cool mode, it keeps working in cool mode; if it was in auto matic mode, it keeps working in automatic mode, etc.).

EXAMPLE IN SUMMER

a) Enter time bands menu. b) Set 1ST time band for weekday start hour. c) Accept.

d) Set 1ST time band of weekday start minutes. e) Accept. f) Set 1ST time band of weekday set point (on/off/tem-

perature).

g) Accept. h) Repeat steps b-c-d-e-f-g to programme 2nd time

band for weekdays.

i) Repeat steps b-c-d-e-f-g-h to programme the two

time bands for weekends.

Weekdays

Time band 1

ashing

Flashing

Time band 2

Weekend

Flashing

ACTIVATION

DEACTIVATION

3 sec.

Weekdays

Hour

8:00 (Time band 1)

18:00 (Time band 2)

Weekend





b) Set password “ 22 ” by the “ ” and “ ” buttons.

A) PROBES DISPLAY MENU

Press the “ ” button to enter probes display menu.

“ b01” or “b02”, appears on the display (depending on the unit’s conguration).

Once the probe is selected, after a few seconds, “b01” turns into its temperature/ pressure measure.

Press “ Sel ” button for 5 seconds. “ ”, appears on the display. Move inside the menu as explained below.

1 sec.

5 sec.

B) SETPOINT SETTINGS AND OPERATING HOURS DISPLAY MENU

C) PARAMETERS EDITING MENU

a) Press “ Pgr ” and “ Sel”, at the same time, for 5 seconds.

c) Press “ Sel ”, to accept.

d) Press “ Sel ”, to enter parameters Editing menu.

Go up a sub-group inside the programming area.

UP or increase valve.

Down or decrease valve.

Go down a sub-group or accept

parameter modications inside

the programming area.

5 sec.

Access to the menu:

To go to different values in the menu, proceed as above, the:

NOTES:

a) Parameters that have been modied without being conrmed using the “ Sel ” button will return to their previous value. b) After conrming a modication, escape up to the main menu to save it; otherwise, modications will be cancelled. c) If no operations are performed on the keypad for 60 seconds, the controller exits the parameter editing menu on timeout

and any changes are cancelled.

MENU TREE

PROBES SETTINGS

ATIFREEZE AND

ELECTRICAL HEATER

PROBES

COMPRESSORS

DEFROST

FANS

UNIT SETTING

ALARMS

REGULATION

TIMER SETTING

SOFTWARE

SP 8 32 23 8 32 23 8 32 23

r2 0.3 50 1 0.3 50 2 0.3 50 3 r4 0.3 50 1 0.3 50 2 0.3 50 3

r7 0.3 50 0.5 0.3 50 0.5 0.3 50 0.5 A8 0 20 1.5/2.5 0 20 1.5/3.5 0 20 1.5/4.5 A9 0.3 50 1 0.3 50 1 0.3 50 1

A11 0 20 2.5/3.5 0 20 2.5/4.5 0 20 4.5

REGULATION

1.- AIRCOOLAIR / COMPACTAIR / FLATAIR

Ambient (or return air duct) temperature is thermostatically controlled via set point and tolerance range (differential) as shown in the following diagrams:

1.1- AUTOMATIC MODE (with DC40) (Heat pump)

1.3- AFFECTED PARAMETERS

2.- AIRCUBE

Aircube is regulated by digital input. (see section 7, advanced functions, for more details).

HEAT COOL

HEAT

COOL

Ambient

temperature (ºC)

Ambient

temperature (ºC)

Par. DESCRIPTION

UNIT 1 COMPRESSOR UNIT 2 COMPRESSORS UNIT 3 COMPRESSORS

MIN. MAX. DEF. MIN. MAX. DEF. MIN. MAX. DEF.

Set point (DC40). Cooling differential. Heating differential. Dead zone. SP E.H. 1 stage (cooling only/heat pump) Differential E.H. SP E.H. 2 stages (cooling only/heat pump)

1.2- AUTOMATIC MODE (Cooling only+Electrical heater)

NOTE: With option Modbus, set point SP is managed through communications instead of DC40 (see table for Modbus parameters)

SP (DC40) = 24ºC

r17 = 0.2

r18 = 2ºC

r19 = 35ºC

SP (DC40) = 21ºC

r18 = 2ºC

r20 = 6ºC

r31 = 0.2

19ºC

21ºC

-4ºC 6ºC

24ºC

26ºC

35ºC 45ºC

r18

SP (DC40)

r20

r18

SP (DC40)

r19

ADVANCED FUNCTIONS

1.- REMOTE ON/OFF

This function allows you to turn the unit on/off by a simply remote contact (contacts 95-96 in AIRCOOLAIR /COMPACTAIR / FLA-

TAIR units;contacts 88-89 in AIRCUBE units). Close contact = ON; Open contact = OFF.

2.- REMOTE CHANGEOVER WINTER/SUMMER

On heat pump units (also in Aircoolair / Compactair / Flatair cooling only + electrical heater), cooling or heating mode can be selected by a remote contact (contacts 97-98 in Aircoolair and contacts 95-98 in Compactair and Flatair).

Close contact = Cooling.; Open contact = Heating.

To activate this function set parameters P09=10 and H06=1.

3.- DYNAMIC SET POINT

AIRCOOLAIR / COMPACTAIR / FLATAIR

WARNING

On Aircoolair units, remote changeover doesn’t work if the automatic mode has been selected by DC40.

Set point ºC

COOL

Set point ºC

HEAT

SP = SP(DC40) + (T.ext. - r19) x r17

EXAMPLE

SP = SP(DC40) + (T.ext. - r20) x r31

EXAMPLE

Outdoor temp.. ºC

It is possible a better unit operating mode through dynamic set point function. With this function the set point can be changed, (going up/down) according to the external conditions in order to save energy.

To activate this funtion, the custome should congurate the parameters explained in the picture below:

*To activate P09 use password 66.

GND

120Ω

ADVANCED FUNCTIONS

4.- BMS COMMUNICATIONS

OPTION

BMS (Building Management Systems) are systems to integrate all technological functions of a building, including access control,

security, detection of res, lights, elevators and air conditioning.

Given the growing and unstoppable trend towards Building Automation, the Climatic 40 controller offers the possibility of communicating with Building Management Systems (BMS) via Modbus protocol. The Modbus standard interface is integrated into the control, so you do not need any sort of gateway, router, etc.

LENNOX units with Modbus protocoll use parametrizacion below:

Serial port RS485 (EIA/ TIA-485 standard) Transmission mode RTU (Terminal of remote unit) Speed 9600 Baudios Bits of data 8 bits Parity None Stop bits 2 bit Addresses Base 0

4.1 – MODBUS NET CONFIGURATION

With option Modbus communication, Climatic 40 controller is delivered congured and ready for communications. The only parameter which is needed to adjust is the device address (H10).

Without option Modbus communication change parameters H23=1 and H24=0 to enable the option.

Connect the net like in gure below:

• Right connection order in the electrical box for LENNOX units should be respected 90= GND ; 91= + ; 92= ―.

• According to the electromagnetic compatibility standard, it is needed to use a pair of specic shielded cables for

data transmission with RS485.

• With several units connected into the same Modbus net, secondary of the transformer has not to be earthed for each unit.

With problems to nd all the devices connected, please conect this resistance.

0 1 Flag 1 R 41

0 1 Flag 1 R 42

0 1 Flag 1 R 45

0 1 Flag 1 R 46

0 1 Flag 1 R/W 78

0 1 Flag 1 R 53

0 1 Flag 1 R 54

0 1 Flag 1 R 55

0 1 Flag 1 R 56

0 1 Flag 1 R 57

0 1 Flag 1 R 59

0 1 Flag 1 R 60

0 1 Flag 1 R 61

0 1 Flag 1 R 62

0 1 Flag 1 R 63

0 1 Flag 1 R 66

0 1 Flag 1 R 67

0 1 Flag 1 R 68

0 1 Flag 1 R 69

0 1 Flag 1 R 70

0 1 Flag 1 R 72

0 1 Flag 1 R 73

0 1 Flag 1 R 74

0 1 Flag 1 R 75

0 1 Flag 1 R 76

- / 400 800 ºC 0,1 R 102

- / 400 800 ºC 0,1 R 103

- / 400 800 ºC / Dbar 0,1 R 104

- / 400 800 ºC 0,1 R 105

- / 400 800 ºC 0,1 R 106

- / 400 800 ºC 0,1 R 107

- / 400 800 ºC 0,1 R 108

- / 400 800 ºC / Dbar 0,1 R 109

- / 400 800 ºC 0,1 R 128

Parameters and description min. máx. U.O.M. resol. R/W

Modbus address

Type of

variable

ALARMS

Circuit 1 alarm Digital

Circuit 2 alarm Digital

Indoor fan alarm/ Water pump alarm Digital

Alarm sensor Digital

Alarm reset Digital

INPUTS AND OUTPUTS

Digital input 1 Digital

Digital input 2 Digital

Digital input 3 Digital

Digital input 4 Digital

Digital input 5 Digital

Digital output 1 Digital

Digital output 2 Digital

Digital output 3 Digital

Digital output 4 Digital

Digital output 5 Digital

Digital input 6 Digital

Digital input 7 Digital

Digital input 8 Digital

Digital input 9 Digital

Digital input 10 Digital

Digital output 6 Digital

Digital output 7 Digital

Digital output 8 Digital

Digital output 9 Digital

Digital output 10 Digital

SENSORS

Sensor value B1 Analogic

Sensor value B2 Analogic

Sensor value B3 Analogic

Sensor value B4 Analogic

Sensor value B5 Analogic

Sensor value B6 Analogic

Sensor value B7 Analogic

Sensor value B8 Analogic

Sensor value DC40 Analogic

ADVANCED FUNCTIONS

4.2 - PARAMETERS TABLE

U.O.M.= Measurement unit Resol. = Solution R/W = Reading/ Writting

0 1 Flag 1 R/W 64

0 8 Flag 1 R/W 291

0 1 Flag 1 R/W 65

* *

ºC 0.1 R/W 41

* *

ºC 0.1 R/W 43

* *

ºC 0.1 R/W 61

* *

ºC 0.1 R/W 55

* *

ºC 0.1 R/W 56

0 5 Flag 1 R/W 263

0 255 Flag 1 R 341

0 3 Flag 1 R/W 292

0 9 Flag 1 R/W 326

0 100 % 1 R/W 327

0 23 h 1 R/W 336

0 59 min 1 R/W 337

0 31 día 1 R/W 338

0 12 mes 1 R/W 339

0 99 año 1 R/W 340

0 23 h 1 R/W 299

0 59 min 1 R/W 300

0 23 h 1 R/W 301

0 59 min 1 R/W 302

0 23 h 1 R/W 303

0 59 min 1 R/W 304

0 23 h 1 R/W 305

0 59 min 1 R/W 306

0 23 h 1 R/W 307

0 59 min 1 R/W 308

0 23 h 1 R/W 309

0 59 min 1 R/W 310

0 23 h 1 R/W 311

0 59 min 1 R/W 312

0 23 h 1 R/W 313

0 59 min 1 R/W 314

ADVANCED FUNCTIONS

4.2 - PARAMETERS TABLE.

Parameters and description min. máx. U.O.M. resol. R/W

Modbus address

Type of

variable

UNIT CONTROL

Unit status (1=ON ó 0=standby) Digital

Status auto /manual (0=Manual ó 1=Automatic) Analog

Status cooling / heating (1=Cooling or 0=Heating ) (Writting is possible only with auto/manual = 0 manual)

Digital

CL40 cooling setpoint (with auto/manual = 0 manual) Analog

CL40 heating setpoint (with auto/manual = 0 manual) Analog

CL40 Auto setpoint (with auto/manual = 1 auto) Analog

CL40 Second cooling setpoint Analog

CL40 Second heating setpoint Analog

Fan indoor operation mode

1 = always ON 2 = Automatic 3 = Anti-stratication

WARNING: Do not change this value into 0, otherwise fan will be desactivated

Analog

Defrost status 0= Without defrost cycle 1= Defrost cycle 1 2= Defrost cycle circuit 2 3= Defrost cycle 1 y 2 5= Fan in defrost cycle circ.1

10= Fan in defrost cycle. circ.2

15= Fan in defrost cycle circ.1 and 2

Analog

Low noise activation 0= disabled 1= enable in cooling 2= enable in heating 3= enable in cooling and heating

Analog

Minimum conguration of fresh air

0= disabled 1= with freecooling enable 6= with freecooling disabled 7= always 8= cooling mode 9= heating mode

Analog

Minimum fresh air % Analog

CLOCK CONFIGURATION

Real time : hours Analog

Real time : minutes Analog

Real time: day Analog

Real time : month Analog

Real time: year Analog

Start hours for 2nd set point in cooling Analog

Start minutes for 2nd set point in cooling Analog

End hours for 2nd set point in cooling Analog

End minutes for 2nd set point in cooling Analog

Start houts for 2nd set point in heating Analog

Start minutes for 2nd set point in heating Analog

End hours for 2nd set point in heating Analog

End minutes for 2nd set point in heating Analog

Start hours for 2nd set point low noise cooling Analog

Start minutes for 2nd set point low noise cooling Analog

End hours for 2nd set point low noise cooling Analog

End minutes for 2nd set point low noise cooling Analog

Start hours for 2nd set point low noise heating Analog

Start minutes for 2nd set point low noise heating Analog

End hours for 2nd set point low noise heating Analog

End minutes for 2nd set point low noise heating Analog

40%

100%

18 18.5 20 23 23.5 25 26 31

_______

- - - - - - -

ADVANCED FUNCTIONS

5.- LOW NOISE

Low noise cooling mode shift is illustrated in the following picture.

SPEED FAN

CONDENSER PRESSURE (bar)

COOLING HEATING

TIME FAN TIME FAN

Rest of day Standard Rest of day Standard

Start

(hour:minutes)

t14:t15

LOW

NOISE

Start

(hour:minutes)

t18:t19

LOW

NOISE

End

(hour:minutes)

t16:t17

End

(hour:minutes)

t20:t21

Standard “Low noise”

Available for models with poroportional fan pressure regulation.

It moves the condensing pressure set point in order to lower the fan speed and thus reduce noise (specically at night). If low noise is active during cooling, the condenser control set points are increased by 5º bar. If low noise is active in heating, the set points are reduced by 1º bar.

Set F15=3 to active this function. Also set the following parameters:

BM40: =1; B00=0; R23=1; DC40: En05=1

Programming mode:

Press and then during seconds to select the value. Press continously to conrm and leave programming mode.

programación

ID1

ID2

ID3

ID4

ID5

ID6

ID7

ID8

ID9

ID10

AIRCOOLAIR COMPACTAIR AIRCUBE FLATAIR 2

20...85 100...140 020...040 045...100 22...86 112...246 10...30

ASC ASH ASC ASH CMC CMH CMC CMH KSCM KSHM KSCM KSHM FMC/FSC FMH/FSH

DC40 (b21)

7.- ANALOGIC / DIGITAL INPUT

ADVANCED FUNCTIONS

INLETS

(F7) Thermal protection

indoor fan

(F7) Thermal protection

indoor fan

(F7) Thermal protection

indoor fan

(F7) Thermal protection

indoor fan

(F7) Térmico

ventilador interior

(F7) Térmico

ventilador interior

(F7) Térmico

ventilador interior

Cooling/

Heating

Cooling/

Heating

Cooling/

Heating

Cooling/

Heating

Cooling/

Heating

Cooling/

Heating

Cooling/

Heating

HIGH PRESSURE

circuit 1

HIGH PRESSURE

circuit 1

HIGH PRESSURE

circuit 1

HIGH PRESSURE

circuit 1

HIGH PRESSURE

circuit 1

HIGH PRESSURE

circuit 1

HIGH PRESSURE

circuit 1

(LP1) LOW PRESSURE

circuit 1

(LP1) LOW PRESSURE

circuit 1

(LP1)LOW PRESSURE

circuit 1

(LP1)LOW PRESSURE

circuit 1

(LP1) LOW PRESSURE

circuit 1

(LP1) LOW PRESSURE

circuit 1

LOW PRESSURE

circuit 1

ON / OFF ON / OFF ON / OFF ON / OFF STEP 1 STEP 1 ON / OFF

STEP 2 STEP 2

STEP 3

HIGH PRESSURE

circuit 2

HIGH PRESSURE

circuit 2

HIGH PRESSURE

circuit 2

HIGH PRESSURE

circuit 2

(LP2) LOW PRESSURE

circuit 2

(LP2) LOW PRESSURE

circuit 2

(LP2) LOW PRESSURE

circuit 2

(LP2) LOW PRESSURE

circuit 2

STEP 4

PROBES

Ambient

probe

Ambient

probe

Ambient

probe

Ambient

probe

Ambient

probe

(AS/RS) Remote ambient

probe/ Return probe *

(AS/RS) Remote ambient

probe/ Return probe *

(AS/RS) Remote ambient

probe/ Return probe *

(AS/RS) Remote ambient

probe/ Return probe *

(AS/RS) Remote ambient

probe/ Return probe *

(IS1) Indoor coil probe 1 (IS1) Indoor coil probe 1 (IS1) Indoor coil probe 1 (IS1) Indoor coil probe 1

(IS) Indoor coil probe 1

(TS1) Conden-

sing temp. 1

(OS) Outdo-

or Tª probe

(OS) Outdoor Tª probe (OS) Outdoor Tª probe (OS) Outdoor Tª probe

(TS1)

Outdoor

Tª probe

(OS)

Outdoor Tª probe

(OS) Outdo-

or Tª probe

(PT1) Conden-

sing pressure 1

(PT1) Conden-

sing pressure 1

(PT1) Conden-

sing pressure 1*

(PT1) Conden-

sing pressure 1

(PT1) Conden-

sing pressure 1*

(PT1) Conden-

sing pressure 1

(PT1)

Conden-

sing pressure 1

(PT1)

Conden-

sing pressure 1

(PT)

Conden-

sing pressure 1*

(PT)

Conden-

sing pressure 1

(IS2) Indoor coil probe 2 (IS2) Indoor coil probe 2 (IS2) Indoor coil probe 2

(TS2)

Conden-

sing temp. 2

(TS2) Conden-

sing temp. 2

(PT2)

Conden-

sing pressure 2

(PT2)

Conden-

sing pressure 2

(PT2)

Conden-

sing pressure 2*

(PT2)

Conden-

sing pressure 2

(PT2)

Conden-

sing pressure 2

(PT2)

Conden-

sing pressure 2

NOTE: Some probes can change, according to the options selected with the unit.

* Option.

120 2

3005

CM2

CM1

60”

30” 30”

60”

ADVANCED FUNCTIONS

COMPRESSOR

8.- TIMING AND DELAYS

In order to protect compressors from destructively cycling on and off, following protection delays have been set:

Time

(sec.)

unit

The defrosting process is activated during heating mode in the heat pump units, when the outside temperature is low and the

outdoor coil is likely to be frozen. To melt the ice, the defrosting function will switch the unit to cooling operation for a short period.

During defrosting mode, the low pressure is at minimum level, so the pressure switch is disabled in this mode. The defrost cycle is illustrated in the following picture.

9.- DEFROST

Condenser pressure (bar)

Compressors

Reverse valve

HEAT

DEFROST

HEAT

MINIMUM ON = 30 sec. MINIMUM OFF = 30 sec.

9.1 - DEFROST CYCLE

40%

100%

18 18.5 20 26

10%

100%

18 18.5 24 30

ADVANCED FUNCTIONS

CONDENSER PRESSURE

(bar g)

OUTDOOR

TEMPERATURE (ºC)

Dynamic defrosting cycle starting ( according to outdoor temperature) allows to reduce the number and time of defrosting cycles in

winter to achieve better unit efciency.

10.- CONDENSER FAN SPEED CONTROL

FAN

SPEED

CONDENSER PRESSURE (bar)

10.1.- PROPORTIONAL CONTROL BASED ON PRESSURE

Models:

FAN

SPEED

CONDENSER PRESSURE (bar)

9.2 - DYNAMIC DEFROST

AIRCOOLAIR (ASC + kit -15ºC) and (ASHM) 20-85 AIRCUBE (KSCM + kit -15ºC) and (KSHM 22E-86D) (KSCM + kit -15ºC 112-214)

FLATAIR (FSC/FMC y FSH/FMH) + kit -15ºC COMPACTAIR (CSC/CMC, CSH/CMH) + kit -15ºC AIRCOOLAIR (ASC+kit -15ºC 100-140)

40%

100%

18 19 28 40

0ºC

22 bar

15ºC

28 bar

30ºC

30 bar

35ºC

37 bar

+7ºC

20 bar

24 bar

OFF

16 bar

22 bar

OFF

ADVANCED FUNCTIONS

Models: AIRCOOLAIR: ASC 20-85 AIRCUBE: KSCM 22E-86D

FAN

SPEED

CONDENSER

TEMPERATURE (ºC)

10.3.- ON/OFF CONTROL BASED ON PRESSURE Models: AIRCOOLAIR: ASC/ASH 100-140 AIRCUBE: KSCM/KSHM 112D-214D

The fans for these models incorporate 2 speeds. The fans work on high or low speed according to:

COOLING MODE: The on/off and low/high fan speed is managed according to the condensing pressure. See the illustration below:

HEATING MODE (heat pump units only). The low/high fan speed is managed according to the outdoor temperature thermostat. See the illustration below:

High speed

Low speed

High speed

Low speed

Outdoor temperature ºC

COOLING MODE

HEATING MODE

Approx. outside temperature ºC

Condensing pressure

NOTE*: FLATAIR and COMPACTAIR standard models have not included condensing pressure control ( fan starts with the com-

pressor), for heat pump units control can be activated with parameter F02=2.

10.2.- PROPORTIONAL CONTROL BASED ON PRESSURE TEMPERATURE

Models: COMPACTAIR CSC/CMC+kit 0ºC CSH/CMH FLATAIR FSC/FMC+kit 0ºC, FSH/FMH

Condensing pressure

Evaporating pressure

CM2

CM3

CM1

23 23.5 24 26

24.5

R02/4

23.5 25

r40 0 9 1

r41 0 100 20

ADVANCED FUNCTIONS

11.- FREE COOLING

This option takes advantage of external conditions for cooling mode. Freecooling is enabled when outdoor temperature is 1ºC lower than indoor temperature; when the former is:

- < 10ºC, the compressors are deactivated and the air intake gate fully opened in order to refresh with outdoor air only (sufcient under

these conditions).

- >10ºC, the air intake gate opens and delays the compressors, which turn on only if there would be insufcient outdoor fresh air

to achieve the comfort setpoint. The illustration below shows freecooling regulation.

With free cooling

Open air damper. Close air damper.

Without freecooling

Stop air damper.

Ambient temperature (ºC)

OPTION

To get a constant air renewal, when freecoling conditions are satised, the damper is mantained opened partially (20%), according to

the following values.

Par. DESCRIPTION Min. Max. Def.

This indicates when to carry out the minimum opening of the damper.

0= Never.

1= with freecooling.

2= with freeheating.

3= with freecooling and freeheating

4= always, except with freecooling y freeheating.

5= always, except with freeheating.

6= always, except with freecooling.

7= always

8= only for cooling mode.

9= only for heating mode.

% minimum percentage opening damper.

AIRCOOLAIR AIRCUBE COMPACTAIR FLATAIR 2

A01 A7 A4 0.1 ºC 2 ------ 2 2

A02 0,3 122 0.1 ºC 5 ------ 5 5

A03 0 150 1 30 ------ 30 30

A04 A1 R16 0.1 ºC ------ ------ ------ ------

A05 0,3 50 0.1 ºC ------ ------ ------ ------

A08

A1 R16 0.1 ºC ------ ------ ------ ------

0 20 0.1 ºC

1.5 (ASC)

------ 2,5 2,5

2,5 (ASH 20-40)

3,5 (ASH 45-85)

4,5 (ASH 100-140)

A9 0 20 0.1 ºC 1 ------ 1 1

A11

A1 R16 0.1 ºC ------ ------ ------ ------

0 20 0.1 ºC

2.5 (ASC) 3,5(ASH 20-40) 4,5(ASH 45-85)

------ 3,5 3,5

A13 A7 R16 0.1 ºC 7 ------ 7 7

b0 0 11 1 N 11 10 11 11

b1 ------ ------ ------ ºC

b2 ------ ------ ------ ºC

b3 ------ ------ ------ ºC

b4 ------ ------ ------ ºC/bar

b5 ------ ------ ------ ºC

b6 ------ ------ ------ ºC

b7 ------ ------ ------ ºC

b8 ------ ------ ------ ºC/bar

b21 ------ ------ ------ ºC

C01 0 999 1 30 30 30 30

C02 0 999 1 30 30 30

C03 0 999 1 300 300 300 300

C04 0 999 1 2 2 2 2

C05 0 999 1 0 0 0 0

C06 0 999 1 5 5 5 5

C07 0 999 1 2 0 5 5

C08 0 150 1 1 0 1 1

C10 0 8000 100

C11 0 8000 100

C12 0 8000 100

C13 0 8000 100

C14 0 100 100 0 0 0 0

C15 0 8000 100

C17 0 150 1

0 0 0 0

C18 0 150 1

1 0 1 1

C19

0 0 0 0

PARAMETERS

PAR.

DESCRIPTION MIN. MAX. VAR. UD.

BY DEFAULT

Antifreeze and electrical heater

Antifreeze alarm set point. 2

Antifreeze differential.

By-pass time for antifreeze alarm. sec.

Antifreeze heater set point.

Antifreeze heater differential.

Auxiliary heater absolute set point (1st step).

Auxiliary heater relative set point (1st step).

Auxiliary heater differential.

Auxiliary heater absolute set point (2st step).

Auxiliary heater relative set point (1st step).

Lower discharge air temperature in freecooling.

Probes

Cong. of probe to be shown on the display:

0= probe B1. 1= probe B2

2= probe B3. 3= probe B4

4= probe B5. 5= probe B6

6= probe B7. 7= probe B8

8= Set point without compensation.

9= Dynamic set point with possible compensation.

10= Remote ON/OFF digital input status.

11= Terminal DC40 probe.

Probe B1.

Probe B2.

Probe B3.

Probe B4

Probe B5.

Probe B6.

Probe B7.

Probe B8.

Probe DC40.

Timming and delays

Min. compressor ON time. sec.

Min. compressor OFF time. sec.

Delay between 2 starts of the same compressor. sec.

Delay between starts of the 2 compressor. sec.

Delay between 2 shut-downs of the 2 compressors. sec.

Delay at start up. sec.

Delay in switching on the compressor after switching on the pump

sec.

Delay in switching off the compressor after switching off the pump. min.

Compressor 1 timer. hours

Compressor 2 timer. hours

Compressor 3 timer. hours

Compressor 4 timer. hours

Compressor operation timer threshold (0=not used). hours

Evaporator pump timer. hours

Minimum time between 2 pump starts.

min.

Minimum pump/indoor fan ON time.

min.

AIRCOOLAIR AIRCUBE COMPACTAIR FLATAIR

d01 0 1 1 ag 1 1 1 1

d03 1 D04 0.1 bar 5,4 5,7 5,4 5,4

d04 D03 /12 0.1 bar 30 30 30 30

d05 10 150 1 60 60 60 60

d06 0 150 1 0 0 0 0

d07 1 150 1 8 8 8 8

d08 10 150 1 35 40 35 35

d09 0 150 1 10 10 10 10

F02 0 3 1 int. 1 1

1 (ASC 100-140)

1 (KSCM 112D-214D)

2 (ASH 100-140)

2 (KSHM 112D-214D)

3 (ASC/H 20-85)

3 (KSCM/HM 22E-86D)

F05

-40 176 0.1 ºC 28 28 ------ ------

/11 /12 0.1 bar 10 10

F06

0 50 0.1 ºC 12 12 ------ ------

0 30 0.1 bar 6 6 3 3

F07

0 50 0.1 ºC 10 10 ------ ------

0 F5 0.1 bar 2 2 2 2

F08

-40 176 0.1 ºC 30 30 ------ ------

/11 /12 0.1 bar 22 22

F09

0 50 0.1 ºC 1 1 ------ ------

0 30 0.1 bar 6 6

F10

0 50 0.1 ºC 0 0 ------ ------

0 F8 0.1 bar 13 13 13 13

F11 0 120 1 0 0 0 0

F15 0 3 1 ag 0 0 0 0

F16 0 50 0.1 bar 5 5 5 5

F17 0 50 0.1 bar 1 1 1 1

F18 -40 176 1 ºC 30 30 30 30

H06 0 1 1 ag 0

0 (KSCM) 1 (KSHM)

0 0

H07 0 1 1 ag 1 1 1 1

H10 1 200 1 ud. 1 1 1 1

H23 0 1 1 ag 0 0 0 0

H97 0 999 1 ag

H99 0 999 1 ag

P04 0 3 1 ag 1 1 1 1

P09 0 23 1 ud 0 0 0 0

PARAMETERS

PAR.

DESCRIPTION MIN. MAX. VAR. UD.

BY DEFAULT

Defrost

Defrosting cycle activation.

Start defrosting pressure.

End defrosting pressure.

Min. time to start a defrosting cycle. sec.

Min. duration of a defrosting cycle. sec.

Max. duration of a defrosting cycle. min.

Delay between 2 defrosting cycle requests with in the same circuit.

min.

Defrosting delay between the 2 circuits. min.

Fan

Fan operating mode:

0= Always ON.

1= Depending on compressor (in parallel operating mode).

2= Depending on compressors in ON/OFF control.

3= Depending on compressors in speed control mode.

Temp. value for min. speed cooling.

Pressure value for min. speed cooling.

20 (F2=3) / 22 (F2=2) 20 (F2=3) / 22 (F2=2)

Differential value for max. speed in cooling mode (temp).

Differential value for max. speed in cooling mode (pres).

Fan shut-down differential in cooling mode (temp).

Fan shut-down differential in cooling mode (pres).

Temperature value for min. speed in heating mode.

Pressure value for min speed cooling.

12 (F2=3) / 22 (F2=2) 12 (F2=3) / 22 (F2=2)

Differential value for max. speed in heating mode (temp).

Differential value for max. speed in heating mode (pres).

Fan shut-down differential in heating mode (temp).

Fan shut-down differential in heating mode (pres).

Fan starting time.

Activation Low Noise:

0= Deactivate.

1= Activate only in cooling mode.

2= Activate only in heating mode.

3= Activate both in cooling and heating mode.

Differential Low Noise in cooling mode.

Differential Low Noise in heating mode.

Maximum outdoor temperature with outdoor fan speed

regulation (over maximum speed)

Setting

Activate remote change over:

0= Deactivate.

1= Activate.

ON/OFF remoto:

0= Deactivate.

1= Activate.

Serial address.

Activate Modbus.

Expansion board software version.

Software version.

Alarms

Enable part load in high pressure:

0= Capacity control desactivated

1= Capactiy control activated for high pressure.

2=Capacity control activated for low pressure.

3= Capacity control activated for high and low pres.

Conguration for digital input: 0= Not congurated

10= winter/summer operation (PSW 66)

AIRCOOLAIR AIRCUBE COMPACTAIR FLATAIR 2

r1 R13 R14 0.1 ºC 20 ------ 20 20

r2 0.3 50 0.1 ºC

1 (ASC/ASH 2O-40)

------

1 (CMC/H 20-40) 2 (CMC/H 45-85)

3 (CMC/H 100)

2 (ASC/ASH 45-85)

3 (ASC/ASH 100-140)

r3 R15 R16 0.1 ºC 25 ------ 25 25

r4 0.3 50 0.1 ºC

1 (ASH 2O-40)

------

1 (CMC/H 20-40) 2 (CMC/H 45-85)

3 (CMC/H 100)

2 (ASH 45-85)

3 (ASH 100-140)

r7 1 50 0.1 ºC 0.5 ------ 0,5 0,5

r17 -5 5 0.1 ------ 0 ------ 0 0

r18 0.3 20 0.1 ºC 2 ------ 2 2

r19 -40 176 0.1 ºC 35 ------ 35 35

r20 -40 176 0.1 ºC 6 ------ 6 6

r21 R13 R14 0.1 ºC 28 ------ 28 28

r22 R15 R16 0.1 ºC 18 ------ 18 18

r23 0 8 1 ag 0 ------ 0 0

r24 R15 R16 0.1 ºC 23 ------ 23 23

r25 -40 80 0.1 ºC -15 -15 -15 -15

r31 -5 5 0.1 ------ 0 0 0 0

t01 0 23 1 ------

t02 0 59 1 ------

t03 1 31 1 ------

t04 1 12 1 ------

t05 0 99 1 ------

t06 0 23 1 ------ 0 0

t07 0 59 1 ------ 0 0

t08 0 23 1 ------ 0 0

t09 0 59 1 ------ 0 0

t10 0 23 1 ------ 0 0

t11 0 59 1 ------ 0 0

t12 0 23 1 ------ 0 0

t13 0 59 1 ------ 0 0

t14 0 23 1 ------ 0 0

t15 0 59 1 ------ 0 0

t16 0 23 1 ------ 0 0

t17 0 59 1 ------ 0 0

t18 0 23 1 ------ 0 0

t19 0 59 1 ------ 0 0

t20 0 23 1 ------ 0 0

t21 0 59 1 ------ 0 0

PARAMETERS

WARNING

Default values could vary depending on optional kits or improvements.

PAR.

DESCRIPTION MIN. MAX. VAR. UD.

BY DEFAULT

Regulation

Cooling set point.

Differential in cooling mode.

Heating set point.

Differential in heating mode.

Dead zone.

Cooling compensation constant.

Maximum distance from the set point.

Start compensation temerature in cooling mode.

Start compensation temerature in heating mode.

Second cooling set point.

Second heating set point.

Select automatic change over probe.

Automatic change over set point.

Outside temp. set point to stop compressors.

Heating compensation constant.

Clock

Real Time Clock (RTC) hours.

Real Time Clock (RTC) minutes.

Real Time Clock (RTC) days.

Real Time Clock (RTC) month.

Real Time Clock (RTC) years.

Start hours for 2nd set point in cooling.

Start mimutes for 2nd set point in cooling.

End hours for 2nd set point in cooling.

End minutes for 2nd set point in cooling.

Start hours for 2nd set point in heating.

Start mimutes for 2nd set point in heating.

End hours for 2nd set point in heating.

End minutes for 2nd set point in heating.

Start hours for 2nd low noise cooling.

Start mimutes for 2nd low noise in cooling.

End hours for 2nd low noise in cooling.

End minutes for 2nd low noise in cooling.

Start hours for 2nd low noise in heating.

Start mimutes for 2nd low noise in heating.

End hours for 2nd low noise in heating.

End minutes for 2nd low noise in heating.

SAFETY DEVICES

The unit is protected by means of a temperature probe located in the indoor piping, when the indoor temperature goes drops 2ºC:

WITHOUT FREECOOLING

- The compressors shut down and the antifreeze alarm goes on.

- The alarm is reset automatically when the temperature reaches 7ºC.

WITH FREECOOLING

- Air intake gate closes,

- Once the gate is completely closed, the compressors shut down and the antifreeze alarm goes on.

When the air intake gate is closing, if the temperature in the indoor piping goes up 2ºC, the gate stops and stays in the position reached; then, if the temperature reaches goes over 7ºC, the air damper starts to open or, if the temperature goes down 2ºC, the

damper start to close again.

ANTIFREEZE PROTECTION (AIRCOOLAIR / COMPACTAIR / FLATAIR).

In addition to that, in order to prevent frozen air discharging when freecooling without the compressors working (outdoor temp. <10ºC), if the temperature in the indoor piping goes down 7ºC, the air intake gate starts to mix outdoor air with return air, thus

increasing the temperature of the discharge air.

GND

TX+ TX-

GO G

ASSEMBLY AND INSTALLATION INSTRUCTIONS

DC40.

Installation instructions

1. Separate the cover of the instrument from the bodypart using a screwdriver as shown in Fig. 8.1.

2. Open the instrument with a “hinge” movement, pivoting the cover of the instrument upwards.

Lower view

Fig. 8.1

Fig. 8.2

3. Fix the rear part to the wall, taking care that the connection cables pass through the hole in the centre of the rear casing. The distances between the fastening holes are designed so as to be able to t the DC40 to a ush-mounting connection box

compliant with the CEI C.431 - IEC 670 standards. If this is not available, use the fastening holes on the casing as a guide

for drilling the holes in the wall, and then use the kit of screws and plugs supplied.

4. Connect the cables to the terminals located in the casing as indicated in the casing itself or in the electrical diagram.

5. Once the installation is complete, t the terminal onto the casing by pivoting the cover with a “hinge” movement and close it. When closing, make sure that the pins on the board t into the corresponding terminals.

Installation warnings

- Disconnect the power supply before working on the DC40 during operations of assembly, maintenance and replacement.

- The terminal must be fastened to the wall in such a way as to allow the circulation of air through the slits on the rear casing.

- Avoid installing the boards in environments with the following characteristics:

- Avoid locations where there is a great variation in room temperature.

- Near doors leading to the outside.

- On outside walls.

- Where it will be exposed to direct sunlight or to conditioned air ow.

- Where there are strong magnetic and/or radio frequency interference (for example, near transmitting antennae).

Keep the DC40’s inductive load cables separate from those of any power devices (contactors, etc.) in order to prevent electromagnetic interference. Do not lay power and communications cables together

- Run a connection from the electrical box in the outdoor unit to the DC40 device:

. 91 and 92 terminal blocks respectively to Tx+ and Tx-

(Twisted pair for communications).

. 93 and 94 terminal blocks respectively to GO and G.

(Twisted pair for 24VAC power). . 90 to GND. (shield).

2 x TWISTED PAIR

SCREEN WIRE AWG20

L.max=100m

1 x TWISTED PAIR

SCREEN WIRE AWG20

+ 2 x 1,5 mm

L.max=200m





CLIMATIC BM40

DC 40

ALARMS

The unit self-protects by means of safety devices; when any of these safety devices detects an anomaly, this is shown on the Climatic 40 display and, in Aircoolair / Compactair / Flatair units only, also on the DC41 display (even if it has a different alarm code), in order to warn the operator. Depending on the type of anomaly, Climatic 40 shows:

• Alarm. Serious anomaly. This is one that has a direct effect on the operation of the unit.

• Warning. Non-serious anomaly. This is one that has no direct effect on the operation of the unit.

The activation of an alarm results in:

- Alarm code being shown on BM40 display alternately with the main menu.

- in Aircoolair / Compactair / Flatair units, an alarm code (different from the one for the Climatic 40) being shown on the DC40 display alternately with the main menu.

- A red bell appears on the Climatic 40 display and the alarm relay is activated. (contacts 99-100).

- In some cases, depending on the type of alarm, some of the outputs may be blocked, thus stopping the unit.

The activation of a warning results in:

- A warning code being shown only on the Climatic 40 display, alternately with the main menu.

ALARMS/WARNINGS DISPLAY

Some alarms are reset automatically. When the cause is no longer present, they disappear from the display. Others alarms are reset manually and, once the alarm conditions have disappeared, they need to be reset by the user as shown below:

ALARM/WARNING RESET

5 Sec.

3 Sec.

HP1

HP2

LP1

LP2

T TC1 ------ -----TC2 ------ ------

LA ------ ------ ------

FLb ------ ------ ------

E00

E5 ------ ------

Hcl-4 Hc ------

HF1 ------ ------

EPr ------

------

Epb ------

ESP ESP

EL1-2 ------

dF1-2 ------ ------

ALARMS

ALARMS/WARNINGS CODES

DISP CL40/ DC41

DISP

DC40

DESCRIPTION EFFECT RE ACTION

High pressure switch alarm, circuit 1. This alarm may indicate the following problems:

- High pressure switch protection.

- Compressor stopped.

- Excessive refrigerant charge.

Circuit 1

compressors

stop

AUTO/

MAN.

After 3

times in

1 hour

Reset and check:

- Coil is clean and not blocked.

- Outdoor fan during cooling cycle.

- Indoor fan during heating cycle.

- Compressor protection.

- Condenser air temperature is very high.

- Refrigerant charge.

High pressure switch alarm, circuit 2. The same as previous alarm but this time referring to circuit 2.

Circuit 2

compressors

stop

AUTO/

MAN.

After 3t/h

The same as previous alarm but this time referring to circuit 2.

Low pressure switch alarm, circuit 1. This alarm may indicate the following problems:

- Low refrigerant.

- Outdoor fan stopped.

- Low pressure switch protection.

Circuit 1

compressors

stop

AUTO/

MAN.

After 3

times in

1 hour

Reset and check:

- Coil is clean and not blocked.

- Outdoor fan during heating cycle.

- Indoor fan during cooling cycle.

- Fuses of the fan.

- Evaporation air temperature is very low.

- Check refrigerant charge.

- Expansion valve.

Low pressure switch alarm, circuit 2. The same as previous alarm but this time referring to circuit 2.

Circuit 2

compressors

stop

AUTO/

MAN.

After 3t/h

The same as previous alarm but this time referring to circuit 2.

Indoor fan thermal protection alarm:

- Fan thermal protection open.

- Faulty power supply.

Unit stops MAN.

Reset and check:

- Fan.

- Power supply. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. B1 probe error. Faulty probe or connection.

Unit stops AUTO

Check connection of B1 probe (see electrical diagram), check continui-

ty and change the faulty component. B2 probe error. Faulty probe or connection.

Unit stops AUTO

Check connection of B2 probe (see electrical diagram), check continui-

ty and change the faulty component. B3 probe error. Faulty probe or connection.

Unit stops AUTO

Check connection of B3 probe (see electrical diagram), check continui-

ty and change the faulty component.

B4 probe/pressure transducer error. Faulty probe or connection.

Unit stops AUTO

Check connection of B4 probe/pressure transducer (see electrical

diagram), check continuity and change the faulty component.

Not used. Call Technical Service. B6 probe error. Faulty probe or connection.

Unit stops AUTO

Check connection of B6 probe(see electrical diagram), check continuity

and change the faulty component. B7 probe error. Faulty probe or connection.

Unit stops AUTO

Check connection of B7 probe (see electrical diagram), check continui-

ty and change the faulty component.

B8 probe/pressure transducer error. Faulty probe or connection.

Unit stops AUTO

Check connection of B8 probe/pressure transducer (see electrical

diagram), check continuity and change the faulty component.

Warning. Compressor operating time limit exceeded. Disabled by default.

AUTO

Check:

- Compressor operating time (parameter C10).

- Compressor operating time limit (par. C15).

Warning. Indoor fan operating time limit exceeded. Disabled by default.

AUTO

Check:

- Indoor fan operating time (parameter C15).

- Indoor fan operating time limit (par. C15).

Warning. Climatic 40 hardware error.

AUTO Call Technical Service.

Warning. Climatic 40 hardware error.

Unit stops AUTO Call Technical Service.

Expansion board error. Unit stops AUTO

Check:

- Green LED is on inside the board.

- J4-J9 connections (see electrical diagram).

Call Technical Service.

Warning. Condensing fan speed control hardware error.

Outdoor fan at

maximum

speed.

AUTO

- Check CFM board connections (see electrical diagram).

Call Technical Service.

Warning. Circuit 1-2 defrost ends due to maximum time (8 minutes).

AUTO

A12

Ht ------ ------

Lt ------ ------ ------

AHt ------ ------ -----HLt ------ ------ ------

ELS ------ ------

EHS ------

Ed1 ------ ------ ------

Ed2 ------ ------ -----SH1 ------ ------ -----SH2 ------ ------ -----nO1 ------ ------ -----nO2 ------ ------ -----LO1 ------ ------ -----LO2 ------ ------ -----HA1 ------ ------ -----HA2 ------ ------ -----EP1 ------ ------ -----EP2 ------ ------ -----ES1 ------ ------ -----ES2 ------ ------ -----EU1 ------ ------ -----EU3 ------ ------ ------

Eb1 ------ ------ ------

Eb2 ------ ------ ------

L ------ ------ -----Ed1 ------ ------ -----Ed2 ------ ------ ------

PH1 ------ ------ -----PH2 ------ ------ -----SUL ------ ------ ------

tEr OcH

AcH ------ ------

Ahu ------ ------

AtE ------ ------

CEr ------ -----UEr ------ ------

ALARMS

ALARMS/WARNINGS CODES

DISP CL40/ DC41

DISP

DC40

DESCRIPTION EFFECT RE ACTION

Antifreeze alarm.

- AIRCOOLAIR / COMPACTAIR / FLATAIR circuit 1

indoor piping temperature < 2ºC. Reset AUTO.

Close freecooling

air dumper and

stops circuit 1

compressors 1

MAN/

AUTO

Check:

- Indoor unit air lter.

- Air damper working correctly.

Antifreeze alarm, circuit 2. (Aircoolair, Compactair, Flatnair).

Circuit 2 indoor piping temperature < 2ºC. Reset

AUTO.

freecooling air

dumper and

stops circuit 1

compressors 2

AUTO

Check:

- Indoor unit air lter.

- Air damper working correctly.

High ambient temperature warning.

Ambient temperature > 40ºC.

AUTO

Check location of ambient probe; avoid places where measurement of

the ambient temperature by the internal may be altered.

Warning the low ambient temperature. Disabled by default.

Call Technical Service.

Not used. Call Technical Service. Not used. Call Technical Service. Low power supply warning. Power supply < 20.4V. AUTO Check power supply of controller = 24V (see electrical diagram).

High power supply warning. Power supply > 26.4V. Unit stops AUTO Check power supply of controller = 24V (see electrical diagram).

Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Not used. Call Technical Service. Alarm, faulty communication between DC40 and Climatic 40. (AIRCOOLAIR/COMPACTAIR/FLATAIR)

Unit stops AUTO

- DC40 connections (see electrical diagrams). Call Technical Service.

Generic alarm. Some active alarms on Climatic 40.

Check Climatic 40 alarm code and act by accordingly.

Not used. Call Technical Service. DC40 internal probe alarm.

Faulty internal probe.

Call Technical Service.

DC40 setting error. Call Technical Service. DC40 hardware error. Call Technical Service.

ALARMS

ALARM LOG

The Climatic 40 has a log where signicant events that stop (alarms) or limit (warnings) the operation of the unit are saved.

In order to enter the Alarm Log menu, proceed as explained in chapter 3 MENU in the paragraph PARAMETERS EDITING MENU, entering the password 44 instead of 22. Up to 25 events can be saved, highlighting in order: event code, start hours, start minutes, start day, start month, end hours, end minutes, end day, end month.

WARNING

The alarm log is active and operative only if the clock board is tted.

If there are no alarms saved, “noH” is displayed.

EVENT CODE

START MONTHS

END MONTHS

START HOURS START MINUTES START DAYS

END HOURS END MINUTES END DAYS

NOTES

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Due to Lennox’s ongoing commitment to quality,

the Specifications, Ratings and Dimensions are

subject to change without notice and without

incurring liability.

Improper installation, adjustment, alteration,

service or maintenance can cause property

damage or personal injury.

Installation and service must be performed by a

qualified installer and servicing agency.

MUL43E-1011 10-2011 Original manual translation

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Lennox CLIMATIC 40 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual