Hitachi CSC-5S Installation And Operation Manual

INSTALLATION AND OPERATION MANUAL
MANUAL DE INSTALACIÓN Y FUNCIONAMIENTO
INSTALLATIONS- UND BETRIEBSHANDBUCH
MANUEL D’INSTALLATION ET DE
FUNCTIONNEMENT
MANUALE D’INSTALLAZIONE E D’USO

MANUAL DE INSTALAÇÄO E DE
FUNCIONAMENTO
BRUGER- OG MONTERINGSVEJLEDNING
INSTALLATIE- EN BEDIENINGSHANDLEIDING

HANDBOK FÖR INSTALLATION OCH ANVÄNDING

ЕГЧЕЙСЙДЙПЕГКБФБУФБУЗУКБЙЛЕЙФПХСГЙБУ

CSC-5S

ENGLISH

ESPAÑOL

DEUTCH

FRANÇAIS

ITALIANO

PORTUGUESDANSK

SVENSKA

NEDERLANDS

Do not perform installation work, without referring to our installation manual.
No realice la instalación de este equipo, sin antes consultar este manual de instalación.
Bei der Installation unbedingt die Hinweise in der Installationsanleitung beachten.
Consulter notre manuel avant de réaliser une quelconque installation.
Realizzare l’installazione, seguendo quanto indicato in questo manuale.
Nao inicie os trabalhos de montagem, sem consultar o nosso manual de montagem.
Udfor ikke installationsarbejder uden forst at donsultere vores vejledning.
Voer geen enkele handeling uit om de apparatuur alvorens deze hadleiding te hebben
doorgelezen.
Utför inte nagra installationsarbeten utan att först läsa var installationsmanual

Мзн Юуефе уфзн егкбфЬуфбуз, чщсЯт рсйн нб Эчефе ухмвпхлехиеЯ бхфo фп егчейсЯдйп егкбфЬуфбузт

ESPAÑOLDEUTSCHFRANÇAISPORTUGÊSDANSKNEDERLANDSSVENSKA ITALIANOEΛΛHNIKA ESPAÑOL



DANGER – Immediate hazard which WILL result in severe injury or death.
PELIGRO – Riesgos inmediatos que PRODUCIRÁN lesiones personales graves e incluso

la muerte.
GEFAHR – Unmittelbare Gefahrenquellen, die zu schweren Verletzungen oder zum Tod
führen.

DANGER – Dangers instantanés de blessures corporelles sévères ou de mort.
PERICOLO – Pericolo immediato che PRODURRÀ ferite gravi o la morte.
PERIGO – Problemas imediatos que IRÃO resultar em graves ferimentos pessoais ou

morte.

FARE – Overhængende fare, som VIL resultere i alvorlig personskade eller dødsfald.
GEVAAR – Onmiddellijke risico's die ernstige persoonlijke verwondingen of de dood ten

gevolge kunnen hebben.

FARA – Omedelbar risk som medför svår personskada eller död.
KINAYNO – Άµεσος κίνδυνος που ΘΑ έχει ως αποτέλεσµα σοβαρές σωµατικές βλάβες ή

θάνατο.



WARNING – Hazards or unsafe practices which COULD result in severe personal injuries
or death.
AVISO – Riesgos o prácticas poco seguras que PODRÍAN producir lesiones personales e
incluso la muerte.
WARNUNG – Gefährliche oder unsichere Anwendung, die zu schweren
Körperverletzungen oder zum Tod führen kann.
ATTENTION – Utilisation dangereuse ou sans garantie de sécurité qui PEUT provoquer de
sévères blessures personnelles ou la mort.
AVVISO – Pericoli o azioni pericolose che POTREBBERO avere come esito lesioni fisiche
gravi o il decesso.
AVISO – Riesgos o prácticas poco seguras que PUEDEN producir lesiones personales e
incluso la muerte
ADVARSEL – Farer eller farlig brug, som KAN resultere i alvorlig personskade eller
dødsfald.
WAARSCHUWING – Gevaren of onveilige praktijken die ernstig persoonlijk letsel of de
dood tot gevolg KUNNEN hebben.
VARNING – Risker eller osäkra tillvägagångssätt som KAN leda till svåra personskador
eller dödsfall.

ΠΡΟΕΙ∆ΟΠΟΙΗΣΗ – Κίνδυνοι ή επικίνδυνες πρακτικές, οι οποίες ΜΠΟΡΕΙ να έχουν ως
αποτέλεσµα σοβαρές σωµατικές βλάβες ή θάνατο.



CAUTION – Hazards or unsafe practices which COULD result in minor personal injury or
product or property damage.
PRECAUCIÓN – Riesgos o prácticas poco seguras que PODRÍAN provocar lesiones
personales de menor importancia o daños en el producto u otros bienes.
VORSICHT – Gefährliche oder unsichere Anwendung, die geringfügigen Personen-,
Produkt- oder Sachschaden verursachen kann.
PRECAUTION – Utilisation dangereuse ou sans garantie de sécurité qui PEUT provoquer
des blessures mineures ou des dommages au produit ou aux biens.
ATTENZIONE – Pericoli o azioni pericolose che POTREBBERO avere come esito lesioni
fisiche minori o danni al prodotto o ad altri beni.
CUIDADO – Perigos e procedimentos perigosos que PODERÃO PROVOCAR danos
pessoais ligeiros ou danos em produtos e bens.
FORSIGTIG – Farer eller farlig brug, som KAN resultere i mindre skade på personer,
produkt eller ejendom.
LET OP – Gevaren of onveilige praktijken die licht persoonlijk letsel of beschadiging van
het product of eigendommen tot gevolg KUNNEN hebben.
VARSAMHET – Risker eller farliga tillvägagångssätt som KAN leda till mindre
personskador eller skador på produkten eller på egendom.

ΠΡΟΣΟΧΗ – Κίνδυνοι ή επικίνδυνες πρακτικές, οι οποίες ΜΠΟΡΕΙ να έχουν ως
αποτέλεσµα την πρόκληση ελαφρών σωµατικών βλαβών ή καταστροφή περιουσίας.

120 mm

120 mm

UNIT SELECTION

2

SAFETY SUMMARY 1

ENGLISH

1.

SAFETY SUMMARY



DANGER:

DO NOT pour water into the central station. This product is equipped with electrical parts. If
poured, it will cause a serious electrical shock.



WARNING:

DO NOT perform installation work and electrical wiring connection by yourself. Contact your
distributor or dealer of HITACHI and ask them for installation work and electrical wiring by
service person.



CAUTION:



DO NOT install the indoor unit, outdoor unit, central station and cable at such places as;

- where there is oil vapor and the oil is dispersed

- where the hot springs are near (in a sulfuric environment)

- where generation, flowing, staying or leaking of flammable gas is detected

- where the sea is near (in the salty environment)

- an acid or alkaline environment



DO NOT install the chiller unit, central station, and cable within approximately 3 meters from
strong electromagnetic wave radiators such as medical equipment. In case that the central
station is installed in a place where there is electromagnetic wave radiation, shield the
controller and cables by covering with the steel box and running the cable through the metal
conduit tube.



In case that there is electric noise at the power source for the indoor unit, provide a noise
filter.

2.

INSTALLATION WORK



CAUTION:

Follow the national regulations for the right assembly of the CSC-5S in the wall.

2.1. SELECTION OF INSTALLATION PLACE

 Select a suitable place for handling and determine the installation place of the controller with the

customer’s acceptance.

 Do not install the central station at such places as;

- where children can touch

- where the air from the air conditioner is directly discharged

2.2. BEFORE INSTALLATION

This packing contains the following parts:

1 Central Station for operation

control

2 screws M4x16L For fixing the

Holding Bracket onto the wall

1 Ring Core.

2 INSTALLATION WORK

2.3. INSTALLATION SPACE

In case of installing the controllers in vertical line
keep a distance more than 50mm between the
controllers vertically.
If the distance is insufficient, the front cover of
the controller can not open wide enough

1.Insert the edge of the screwdriver into the slot parts at the bottom of the holding bracket, push and
turn the screwdriver and remove the controller from the holding bracket. Do not insert the
screwdriver into the nail near the slot part, or the nail will be damaged.

2. Attach the power supply part to the switch

box.

3. Attach the control part onto the power supply

part. At first, attach the upper side, and then
the lower side.

More than 50mm

Slot Part

Control Part

Power Supply Part

Nail

Figure Seen from Bottom Side

Slot Part

Screw
Drive

r

Screw
Driver

A

pprox. 6mm

Control
Line

Power
Line

Screw

(x2)

Do not run the power line and the
control line throu

g

h the same conduit

Switch Box with Cove

r

(Field-Supplied)

Power Supply

ELECTRICAL WIRING 3

ENGLISH

3.

ELECTRICAL WIRING

3.1. ELECTRICAL WIRING

3.1.1. RECOMMENDABLE WIRING TYPES

Japan Cable

Industrial

Associations

Hitachi Cable

Co., Ltd.

Japan Cable

Co., Ltd.

Notes

JKEV KPEV KNPEV Non-Shielded

JKEV-S KPEV-S KNPEV-S Shielded (Copper Foil)

JKEV-SB KPEV-SB KNPEV-SB Shielded (Twisted)

NOTE:

- The cable always use the Twist-Pair Cable.

- Connection Cable: Field-Supplied

- Connection Cable: 0.75mm

2

Twisted-Pair Cable

- Max. Wiring Length: 1000m (totally)

- Either of Shielded and Non-shielded can use.

3.2. SETTING OF DIP SWITCH

3.2.1. SETTING OF DIP SWITCHES (DSW1 AND DSW2)

- Set the dip switches (DSW1 and DSW2) as follows.

It is necessary to set address setting in case of connecting more than 2 controllers (max. 8
controllers).

Twist Pair Cable 1P-0.75mm

2

H-LINK

Max.8 Chiller Units

CSC-5S

Power Supply

A

C220~240V

TB1

TB2

F

CN1

Control Timer

(Option)

Terminal

Connector

To TB2 of Other Controller

Chiller Units

Chiller Units

Control Timer's

A

ccessor

y

Cable(1m)

4 ELECTRICAL WIRING

 Dip Switch Setting

DSW Setting

Pin No.

Contents of

Setting

ON OFF

Remarks

1

2

3

For Address

Setting

Refer to the table below.

It is necessary to set these
switches in case of
connecting more than 2
units.

DSW1

4

For Checking
Connection

Not
Available

Available H-Link (Chiller~CSC-5S)

1 Control Mode

Multiple
Control

Individual
Control

2

Output Signal
Time for
Transmission

60 sec. 30 sec.

3- --

DSW2

4- --

 Setting of DSW1 (For Address Setting)

Address 1

(Factory

setting)

Address 2 Address 3 Address 4

ON

1 2 3 4ON1 2 3 4ON1 2 3 4ON1 2 3 4

Address 5 Address 6 Address 7 Address 8

ON

1 2 3 4ON1 2 3 4ON1 2 3 4ON1 2 3 4



CAUTION:

- Incorrect connection will cause controller

damage.

- If wiring work is performed by providing

power supply to controller, the controller
may be broken. Check to ensure that
power supply for controller and chiller
unit is not provided.

- Do not run all signal cables together with

power supply cable and other signal
cables. Noise from these cables may
cause malfunction of the controller and
chiller unit. If signal cables run through
together with power supply cable and
other signal cables, keep a distance
more than 15 cm between signal wiring
and others or run the signal cables
through the metal conduit tube and earth
the either end of tube.

- If power supply cable is connected to

terminal board for transmission signal and
power supply voltage is applied by
incorrect connection, the fuse is broken to
protect printed circuit board. In this case,
this controller is possible to operate
without fuse by setting No.2 pin of DSW3
at the ON side.

- Set the same address No. for remote

controller and control timer.

- Set the DSW of the control timer to factory

setting (OFF condition), except the
address.

- Set the availability of the control timer

(ON/OFF) to each chiller unit connected in
the remote controller.
For details, please check the “Timer
Operation Procedure”.

- For control timer operation, please refer to

the “Installation & Operation Manual
Control Timer” attached in the controller
PSC-5T.

ON

OFF

1 2

DSW3
(Fuse Recover)

GROUP REGISTRATION 5

ENGLISH

4.

GROUP REGISTRATION

Indication after turning ON power switch
If group registration is not performed, the indication is changed as follows.

65143287

UNIT No.

INDVDL

65143287

SET TEMP.

COOL

UNIT No.

℃

INDVDL

A/C

65143287

UNIT No.

INDVDL

4.1. GROUP REGISTRATION PROCEDURE

 Changing to Group Registration Mode

1. Press the “GROUP” switch for more than 3 seconds when all the units are stopped. If the
mode is changed to group registration mode, the indication is changed as follows.
Group registration mode is not available during operation. If this procedure is performed, “NO
FUNC.” is indicated on the LCD of controller.

65143287

UNIT No.

INDVDL

65143287

UNIT No.

INDVDL

2. Set the min. controlled unit No. by pressing “ ” or “ ” switch (third digit).

3. Press “GROUP” switch again.

65143287

UNIT No.

INDVDL

4. Set the max. controlled unit No. by pressing “ ” or “ ” switch (first digit).

5. Press the “GROUP” switch for more than 3 seconds. The mode is changed from group
registration mode to the normal mode.

In Case of Controller Address “1”

In case that the address of the
controller is not set at “1” and group
registration is not performed. (It is
impossible to operate the unit without
performing group registration.)

This indicates the connected unit No.
after checking connection.

A

fte

r

Checking
Connection

In Case of
Controller Address
“1” or During
Changing
Registration Mode

First Digit

Second Digit
Third Digit

In case that the
address of
the controller is not
set at “1” and
group registration
is not performed.

6 GROUP REGISTRATION



CAUTION:

- If “RESET” switch is pressed or any switch is not pressed for more than 30 seconds, group

registration mode is changed to the normal mode automatically. In this case, group
registration is not available.

- Check to ensure that the same unit No. setting is not performed when two or more controllers

are connected. In this case, it is necessary to set the controller address No. from the smaller
unit No. If this procedure is not performed, the alarm code “E002” may occur. At that time,
correct address No. of the controller having “E002” alarm code at first.

 Example

1. Set address 1 on controller (add.1) for units Nos. 1 to 4.

2. Set address 2 on controller (add. 2) for units Nos. 4 to 7.

3. After setting group registration, “E002” alarm occurs in the controller address No. 2.

4. Correct the setting of the controller address No. 2 unit at Nos. 5 to 8.

5. “E002” alarm is cleared.

Controller

A

ddress 1

Chiller Unit

12 3 456 7 8

Controller

A

ddress 2

NAME OF EACH PART 7

ENGLISH

5.

NAME OF EACH PART

 Liquid Crystal Display Section

The figure below shows all the indications for reference.The actual display during operation is
different.

RUN/STOP

UNIT SELECTION

TEMP.

RESET

CHECK

MODE CHANG

E

TIMER

DISP.MODEA/C／H.STRG

OPTION GROUP

ABNML

MULTI

HEAT

SET TEMP.

COOL

UNIT No.

℃

65143287

NO FUNC.

EMG.STOP

INDVDL

TIMER

CHECK

OUTLET

INLET

A/C

H.STRG

MPa

TEMP. PR .

H.RCV.

DEMAND

LOCAL

RUN Lamp
(Red)
(Page 10, 15)

RUN/STOP
Switch
(Page 15)

Indication of
Operation Mode
(Page 12)

Indication of
Operating Unit
(Page 10)

Indication of Each
Unit Operation
(Page 12)

Indication of Individual Control
(indicated during individual
control) (Page 8)

Indication of Multiple Units
Control
(indicated during multiple units
control) (Page 8)

Timer
Indication
(Page 16)

Demand
Indication
(Page 17)

Indication of
Emergency Stop
(Page 17)

Indication of “No
Function”
(indicated in case of
incorrect operation)

Operation Mode
Change Switch
(Page 12)

A

ir Conditioning /
Heat Storage
Switch
(Page 12)

Timer Selection
Switch
(Page 16)

Option Selection
Switch
(Page 18, 19)

Group Setting
Switch
(Page 8)

Display
Changeover Switch
(Page 14)

Temperature Setting
Switch
(Page 13)

A

larm
Indication
(Page 17)

Indication of
Setting
Temperature
(Page 10, 13)

Indication of
Inlet / Outlet
Temperature
(Page 13)

Local
Indication
(Page 17)

Unit
Selection
Switch

(

Each Page

)

Reset
Switch
(Page 8, 18)

Check Switch
(Page 13, 20)
This switch is used
only for servicing.
Do not touch this
switch except for
servicing.

8 CONTROLS

 Operation Switch Section

The above figure shows the central station with the cover opened.
When opening the cover, pull the cover toward the arrow direction.

6.

CONTROLS

Individual Control

- “INDVDL” is indicated at the display panel during this control. There

are two controls available. One is group registration (see the item
“Group Registration Procedure”).The control enables each unit control.
The other is the simultaneous group control. By pressing the unit
switch, the units Nos. are changed. “AA” indicates all the units which
were registered.

- The contents which are different depending unit except RUN lamp are

not indicated during indicating unit No. “AA”. (For example,
Operation/Heat Storage Mode, Setting Temperature, Local, etc.)

- Option setting is possible by selecting the following setting. (Refer to

option setting procedure.) ON/OFF Differential Setting ••• Option 1

Multiple-unit

Control

- “MULTI” is indicated at the display panel during this control. The unit

which was set as group registration is automatically ON/OFF
controlled by detecting the set temperature and sensing temperature.
(If “UNIT SELECTION” switch is pressed during normal mode, “NO
FUNC.” is indicated.)

- The control for the chillers up to 8 units are performed by sensing the

minimum water temperature during cooling and the maximum water
temperature during heating respectively.

- In case of inlet (outlet) water temperature control, the chiller units are

controlled by the minimum / maximum inlet (outlet) water temperature
detected in the same group units.

- Option setting is possible by selecting the following setting.

(Refer to the option setting procedure on page 19)
ON/OFF Differential Setting ••• Option 1
Selecting Inlet or Outlet Water Temperature Control ••• Option 2
Selecting Availability of Capacity Control for the Unit which is Stopped
Finally ••• Option 3
Selecting Availability of Pump ON/OFF Control of the Unit which is
Stopped by Thermostat ••• Option 4

NOTE:

- This control function is selected by setting No.1 pin of the DSW2 switch at ON or OFF side.

This setting is necessary before the power is supplied. (This setting change is not available after
supplying the power.)

- If this setting change is required, contact your local installer.

OPERATION PROCEDURE 9

ENGLISH

7.

OPERATION PROCEDURE

7.1. GROUP REGISTRATION PROCEDURE

RUN/STOP

UNIT SELECTION

TEMP.

RESET

CHECK

MODE CHANG

E

TIMER

DISP.MODEA/C／H.STRG

OPTION GROUP

ABNML

MULTI

HEAT

SET TEMP.

COOL

UNIT No.

℃

65143287

NO FUNC.

EMG.STOP

INDVDL

TIMER

CHECK

OUTLET

INLET

A/C

H.STRG

MPa

TEMP. P R.

H.RCV.

DEMAND

LOCAL

NOTE:

If the setting of group registration is changed, perform this procedure from the first step during
unit stoppage.

Supply power to the remote control switch.
Switch ON the main power switch, and energize the oil
heater to protect compressor for 12 hours before
operation.

1432

SET TEMP.

COOL

UNIT No.

℃

INDVDL

A/C

1. Press the “GROUP” switch for more than 3 seconds.
Third digit figure is flickered. (This digit indicates the
minimum unit No. controlled by this controller.) In case
of the address of the controller is not set “1” and group
registration is not performed, the controller switch
indicates nothing except third digit.

1432

UNIT No.

INDVDL

2. By pressing the “UNIT SELECTION” switch, the unit
confirmed to connect is indicated sequentially.
(Set the minimum unit No.)

1432

UNIT No.

INDVDL

1, 3, 5

2, 4

First Digit

Second Digit

Third Digit

10 OPERATION PROCEDURE

3. Press the “GROUP” switch again. The first digit is
flickered (the maximum unit No. is indicated at first).

1432

UNIT No.

INDVDL

4. By pressing the “UNIT SELECTION” switch, the unit
confirmed to connect No. bigger than minimum unit No.
is indicated sequentially.
(Set the maximum unit No.)

1432

UNIT No.

INDVDL

5. By pressing the “GROUP” switch for more than 3
seconds again, the group setting is registered.

1432

UNIT No.

INDVDL

NOTE:

- If “RESET” switch is pressed or any switch is not pressed for more than 30 seconds, group

registration mode is changed to the normal mode automatically. (During this time, group
registration is not set.)

- Group registration is not available during unit operation. If this procedure is performed, “NO

FUNC.” is indicated.

- Check to ensure that the same unit No. setting was not performed in case of connecting two or

more controllers. In this case, alarm code “E002” may occur at the controller having bigger
address. At that time, set correct address No. to the controller having “E002” alarm code.

7.2. SELECTION FOR OPERATED UNIT AND UNIT STATE MONITORING

The controller controls the maximum 8 chiller units for individual or simultaneous. It is possible to
operate the unit and check operating state of the units.

NOTE:

At the time to select the unit, unit No. is changed by pressing “UNIT SELECTION” switch.
However, the unit not performed for group registration is not indicated.

RUN/STOP

UNIT SELECTION

TEMP.

RESET

CHECK

MODE CHANG

E

TIMER

DISP.MODEA/C／H.STRG

OPTION GROUP

ABNML

MULTI

HEAT

SET TEMP.

COOL

UNIT No.

℃

65143287

NO FUNC.

EMG.STOP

INDVDL

TIMER

CHECK

OUTLET

INLET

A/C

H.STRG

MPa

TEMP. P R.

H.RCV.

DEMAND

LOCAL

1

RUN
Lamp

Operating State of Each Unit
(The figure in next page shows
the case of individual control,
air-conditioning mode and
setting temperature of 20 °C.)

OPERATION PROCEDURE 11

ENGLISH

1. Press “UNIT SELECTION” switch.By pressing, the target
units are changed as follows. In case of indicating “AA”,
all units are operated simultaneously.

01 02 ••• 08 AA

NOTE:

This procedure is not performed in multiple unit control.

1432

SET TEMP.

COOL

UNIT No.

℃

INDVDL

A/C

2. If the unit is selected, current operating state of each unit

is indicated.

Symbol “■” shows the state of unit as follows.
OFF …… Stoppage
ON …… Operation
Flicker …… Alarm

Indication of RUN lamp shows as follows.
OFF …… Stoppage for All Units
ON …… Operation for More Than 1 Unit
Flicker …… Alarm for More Than 1 Unit

Operating State of Each Unit
(The figure below shows the case
of individual control, air­conditioning mode and setting
temperature of 20 °C)

1432

SET TEMP.

COOL

UNIT No.

℃

INDVDL

A/C

Operating State of Each Unit (The
above figure shows the case of
operation for No.1 to No.4 units.)

In case of unit No. AA, indication of
operation mode, setting
temperature, air condition/heat
storage and local are displayed
only when they are the same in the
group.

NOTE:

In case of multiple-unit control is selected and “UNIT SELECTION” switch is pressed, “NO
FUNC.” is indicated. (Unit No. is always indicated “AA” when all the units are operated
simultaneously in normal mode.)

Unit No. is changed.
The figure below shows the
case of selecting unit No.4.

The registered unit No. is
indicated

.

12 OPERATION PROCEDURE

7.3. OPERATION MODE SETTING PROCEDURE

RUN/STOP

UNIT SELECTION

TEMP.

RESET

CHECK

MODE CHANG

E

TIMER

DISP.MODEA/C／H.STRG

OPTION GROUP

ABNML

MULTI

HEAT

SET TEMP.

COOL

UNIT No.

℃

65143287

NO FUNC.

EMG.STOP

INDVDL

TIMER

CHECK

OUTLET

INLET

A/C

H.STRG

MPa

TEMP. P R.

H.RCV.

DEMAND

LOCAL

1. Select the unit by pressing “UNIT SELECTION” switch.
(Refer to item 1 of page 11.)

NOTE:

This procedure is not performed during multiple-unit control.

1432

SET TEMP.

COOL

UNIT No.

℃

INDVDL

A/C

2. Press “MODE CHANGE” switch.
The operation mode is changed according to the following
order.

1432

HEAT

SET TEMP.UNIT No.

℃

INDVDL

A/C

3. “A/C / H. STRG” switch. NOT AVAILABLE FUNCTION

NOTE:

- The above instruction shows the case of operating No.4 unit. Operate another unit based on

the same procedure. In case of selecting all the units, select “AA”.

- Some functions are not available depending on models. Contact installer for details.

- Operation mode setting is not available during operation.

- In case of multiple-unit control is selected and “UNIT SELECTION” switch is pressed, “NO

FUNC.” is indicated. Unit No. is always indicated as “AA” when all the units are operated
simultaneously, in normal mode.)

Operation and Function

- COOL: Cooling Operation by

Chilled Water

- HEAT: Heating Operation by

Hot Water

- H. RCV. (Heat Recovery):

This operation is not available.

3

1

The above figure shows the
case of selecting unit No.4.

The above figure shows the
case when “HEAT” operation
is selected.

COOL

HEAT

2

OPERATION PROCEDURE 13

ENGLISH

7.4. TEMPERATURE SETTING PROCEDURE

RUN/STOP

UNIT SELECTION

TEMP.

RESET

CHECK

MODE CHANG

E

TIMER

DISP.MODEA/C／H.STRG

OPTION G ROUP

ABNML

MULTI

HEAT

SET TEMP.

COOL

UNIT No.

℃

65143287

NO FUNC.

EMG.STOP

INDVDL

TIME

R

CHECK

OUTLET

INLET

A/C

H.STRG

MPa

TEMP. PR .

H.RCV.

DEMAND

LOCAL



CAUTION:

- Do not touch “CHECK” switch.

- “CHECK” switch is for servicing only.

- If the mode is changed to checking mode by incorrect operation, the mode is changed to

previous mode by pressing “RESET” switch.

1. Select the unit by pressing “UNIT SELECTION” switch.
(Refer to item 1 of page. 11)

NOTE:

This procedure is not performed during multiple-unit
control.

1432

SET TEMP.

COOL

UNIT No.

℃

INDVDL

A/C

2. Press “TEMP” switch and set required temperature.
Press “ “ switch at once, setting temperature is
increased by 1 °C. Press “ “ switch at once, setting
temperature is decreased by 1 °C.
Temperature setting range is different according to the
unit.

1432

SET TEMP.

COOL

UNIT No.

℃

INDVDL

A/C

NOTE:

Setting temperature is changed continuously if pressing the switch is maintained.
In case of the multiple-unit control is selected and “UNIT SELECTION” switch is pressed, “NO
FUNC.” is indicated. Unit No. is always indicated “AA” when all the units are operated
simultaneously, in normal mode.

The above figure shows the
case of selecting unit No.4.

The above figure shows the
case of setting temperature at
12°C.

CHECK

1

2

14 OPERATION PROCEDURE

7.5. CHANGING DISPLAY MODE PROCEDURE

RUN/STOP

UNIT SELECTION

TEMP.

RESET

CHECK

MODE CHANG

E

TIMER

DISP.MODEA/C／H.STRG

OPTION GROUP

ABNML

MULTI

HEAT

SET TEMP.

COOL

UNIT No.

℃

65143287

NO FUNC.

EMG.STOP

INDVDL

TIMER

CHECK

OUTLET

INLET

A/C

H.STRG

MPa

TEMP. P R.

H.RCV.

DEMAND

LOCAL

Select the unit by pressing “UNIT SELECTION” switch.
(Refer to item 1 of page. 11.)

NOTE:

This procedure is not performed during the multiple-unit
control.

1432

SET TEMP.

COOL

UNIT No.

℃

INDVDL

A/C

Press “DISP. MODE” switch.
Indication of setting temperature is automatically
changed as follows.

The display is changed according to the following order;
Inlet Water → Light Off → Outlet Temperature → Light Off

℃

1432

COOL

UNIT No.

INDVDL

INLET

A/C

TEMP.

NOTE:

In case of the multiple-unit control is selected and “UNIT SELECTION” switch is pressed, “NO
FUNC.” is indicated. Unit No. is always indicated “AA” when all the units are operated
simultaneously, in normal mode.

2

1

The above figure shows the case
of selecting unit No.4.

The above figure shows the case
of indicating inlet temperature.

OPERATION PROCEDURE 15

ENGLISH

7.6. OPERATION PROCEDURE

RUN/STOP

UNIT SELECTION

TEMP.

RESET

CHECK

MODE CHANG

E

TIMER

DISP.MODEA/C／H.STRG

OPTION GROUP

ABNML

MULTI

HEAT

SET TEMP.

COOL

UNIT No.

℃

65143287

NO FUNC.

EMG.STOP

INDVDL

TIMER

CHECK

OUTLET

INLET

A/C

H.STRG

MPa

TEMP. P R.

H.RCV.

DEMAND

LOCAL

1. Select the unit by pressing “UNIT SELECTION” switch.
(Refer to the item 1 of page 11.)

NOTE:

This procedure is not performed during the multiple-unit
control.

1432

SET TEMP.

COOL

UNIT No.

℃

INDVDL

A/C

2. Press “RUN/STOP” switch. If the selected unit is operating,
the unit is stopped after pressing. If the unit has been
stopped, the unit starts to operate after pressing. If “AA” is
selected, the unit is operated as follows by pressing
“RUN/STOP” switch.
In Case of Operation more than 1 Unit (RUN lamp is ON.)
→ All the units are stopped. In Case of Stoppage of All The
Unit (RUN lamp is OFF.) → All the units are started
operation.

1432

SET TEMP.

COOL

UNIT No.

℃

INDVDL

A/C

NOTE:

- Above instruction indicates the case of operating No.4 unit. Operate another unit based on the

same procedure. In case of selecting all the units, select “AA”.

- In case of multiple-unit control is selected and “UNIT SELECTION” switch is pressed, “NO

FUNC.” is indicated. Unit No. is always indicated “AA” when all the units are operated
simultaneously, in normal mode.)

- In the case that power is supplied to only CSC-5S after power failure, the chiller unit is stopped

for safety. Therefore, perform the operation once again after power supply.

- In the case that the chiller unit is restarted by the CSC-5S after power supply, restart the chiller

unit more than 30 sec. after power supply.
In the case that it is starting operation within 30 sec, the display of CSC-5S becomes starting
but the chiller unit is stopping still. In this case, restart the chiller unit more than 2 sec. after
stop operation.

- Connection check is automatically performed by CSC-5S after power supply. (Unit Nos. from 1

to 10 are indicated on the liquid crystal.) During this connection check, wait for a while since
operation by CSC-5S is not available.

2

1

RUN
Lamp

The above figure shows the case
of selecting unit No.4.

The above figure shows the case
of operating unit No.4.

Turned ON

16 OPERATION PROCEDURE

7.7. TIMER OPERATION PROCEDURE

RUN/STOP

UNIT SELECTION

TEMP.

RESET

CHECK

MODE CHANG

E

TIMER

DISP.MODEA/C／H.STRG

OPTION GROUP

ABNML

MULTI

HEAT

SET TEMP.

COOL

UNIT No.

℃

65143287

NO FUNC.

EMG.STOP

INDVDL

TIMER

CHECK

OUTLET

INLET

A/C

H.STRG

MPa

TEMP. P R.

H.RCV.

DEMAND

LOCAL

1. Select the unit by pressing “UNIT SELECTION” switch.
(Refer to chapter 1 of page. 7.)

NOTE:

This procedure is not performed during multiple control.

1432

SET TEMP.

COOL

UNIT No.

℃

INDVDL

A/C

2. Press “TIMER” switch.

- Indication of “TIMER” appears or disappears alternatively.

- The timer controlled unit is operated according to the set

schedule.

1432

SET TEMP.

COOL

UNIT No.

℃

INDVDL

A/C

TIMER

NOTE:

- The above instruction shows the case of operating No.4 unit. Operate another unit based on

the same procedure.In case of selecting all the units, select “AA”.

- In case of multiple-unit control is selected and “UNIT SELECTION” switch is pressed, “NO

FUNC.” is indicated. Unit No. is always indicated “AA” when all the units are operated
simultaneously, in normal mode.)

- Set the same address No. for remote controller and control timer.

Operation and Function:

This is the function to set
ON/OFF operation by
sensing the signal from
connected optional control
timer (PSC-5T).

The above figure shows
the case of selecting unit No.4.

The above figure shows the
case of operating unit No.4.

Turned ON

OPERATION PROCEDURE 17

ENGLISH

7.8. OTHER INDICATIONS

 Normal Indications

LOCAL:

“LOCAL” is indicated when setting local at the chiller unit.
Setting is not available to change from controller during this
indication.
Contact to installer for details.

1432

SET TEMP.

COOL

UNIT No.

℃

INDVDL

A/C

LOCAL

DEMAND:

This function is not available.

EMG.(Emergency) STOP:

“EMG. STOP” is indicated when the signal is input at
external input 2 port on this controller.
Contact to installer for details.

1432

SET TEMP.

COOL

UNIT No.

℃

INDVDL

A/C

EMG.STOP

 Alarm Indications

Abnormal Condition:

- If any unit occurs under an abnormal condition, operation

lump is flickered.

- “ABNML” is indicated on the liquid crystal display.

- Indication “■” of the unit having an alarm code is flickered.

- Unit No., alarm code and nominal indication is indicated

alternatively.

- If alarm code occurs in multiple-control units, unit No. and

alarm code are indicated from the unit having smaller No.
sequentially.

- Check the alarm code, and contact your installer.

1432

SET TEMP.

COOL

UNIT No.

℃

INDVDL

A/C

ABNML

Power Failure:

- All the indications are disappeared.

- If the unit is stopped by power failure, the unit does not start automatically even if the power is

supplied. Operate the unit again.

- If the unit is stopped by an instantaneous power failure within 2 seconds, the unit is restarted

automatically.

Noise:

- All the indication is disappeared, and the unit is stopped in some cases. This means the micro-

processor is activated to protect equipment from the effect of noise. Operate the unit again.

18 OPERATION PROCEDURE

7.9. OPTION SETTING PROCEDURE

RUN/STOP

UNIT SELECTION

TEMP.

RESET

CHECK

MODE CHANG

E

TIMER

DISP.MODEA/C／H.STRG

OPTION

GROUP

ABNML

MULTI

HEAT

SET TEMP.

COOL

UNIT No.

℃

65143287

NO FUNC.

EMG.STOP

INDVDL

TIMER

CHECK

OUTLET

INLET

A/C

H.STRG

MPa

TEMP. P R.

H.RCV.

DEMAND

LOCAL

1. Select the unit by pressing the “UNIT SELECTION”
switch. (Refer to chapter 1 of page. 7.)

NOTE:

This procedure is not performed during multiple-unit
control.

65143287

MULTI

COOL

UNIT No.

A/C

2. Press the “OPTION” switch for more than 3
seconds.Indication of option setting is flickered.

65143287

MULTI

COOL

UNIT No.

A/C

3. By pressing the “OPTION” switch, the option No. is
changed sequentially respectively. Option No. is shown in
Table 1 of page 19.

65143287

MULTI

COOL

UNIT No.

A/C

4. Press the “TEMP.” switch and select the option setting.
(In case of option No.2, select Inlet or Outlet.)

65143287

MULTI

COOL

UNIT No.

A/C

5. Option setting is registered by pressing the “OPTION” switch for more than 3 seconds.

Option

1

The above figure shows the case
of selecting unit No.1.

Option No.

Option Setting

EXTERNAL OUTPUT AND INPUT FUNCTION 19

ENGLISH

NOTE:

- In case of individual control, option No.1 only is available.

- If “RESET” switch is pressed or any switch is not pressed for more than 30 seconds during

option setting procedure, option setting mode is changed to the normal mode without option
setting. (A setting is not registered in this case.)

- Option setting is not available during operation. If “OPTION” switch is pressed during operation,

“NO FUNC.” is indicated.

- If “UNIT SELECTION” switch is pressed in multiple-unit control, “NO FUNC.” is indicated.

- Unit No. is always indicated as “AA” when all the units are operated simultaneously, in normal

mode.

 Table 1. Option Setting

Option No. Setting Content of setting

Setting at
shipping

Individual
Control

Multiple­unit Control

2 Set Differential 2 Degree
3 Set Differential 3 Degree

―

Option 1

4 Set Differential 4 Degree

―

Inlet Inlet Temperature Control

Option 2

Outlet Outlet Temperature Control

―

―

0

Available for Capacity Control
to the Unit Stopped Finally

Option 3

1

Not Available for Capacity
Control to the Unit Stopped
Finally

―

―

0

The pump is started after
Thermo-OFF.

Option 4

1

The pump is stopped after
Thermo-OFF.*

―

―

* The water pump at the final stop still runs even under thermo-off.

8.

EXTERNAL OUTPUT AND INPUT FUNCTION

This controller (CSC-5S) has a function of 2 channel External Input and Output respectively.
Connection is shown below.
1 and 2 pin of CN2 … External Input 1 Simultaneous Operation and Stoppage Input (Level Signal)
2 and 3 pin of CN2 … External Input 2 Emergency Stoppage Input (Level Signal)
1 and 2 pin of CN3 … External Output 1Simultaneous Operation Output (Level Signal)
1 and 3 pin of CN3 … External Output 2Simultaneous Alarm Output (Level Signal)

Use optional wiring assembly with the connector (PCC-1A) to connect external input and output. The
suitable relay for the external output is of Omron MY type.

Cable with Connecctor (Option): PCC-1A

Cable More Than 0.5mm

2

(Field-Supplied, Max. Length: 70m)

CN2

CN3

RYa

R

Y

Non-Voltage A Contact Input

1

2

3

1

2

3

20 CHILLER CONTROLLER CHECKING PROCEDURE

9.

CHILLER CONTROLLER CHECKING PROCEDURE

Checking mode indicates 3 kinds of contents as follows.

- Operating condition data, Chiller unit ROM No. and controller ROM No. etc. are indicated.

Refer to the table below in detail.

- The content of abnormal stoppage including activation of safety devices is indicated up to max. 10

data.

- Capacity control state is indicated.

 Changing to Checking Mode Procedure

1. Press the “CHECK” switch for more than 3 seconds. The mode is changed to checking mode.
(Indicate various data)

2. By pressing the “CHECK” switch, indication is changed according to the following order.

various data → alarm history → capacity control state

 Indication of Various Data

1. By pressing the “TEMP.” switch, the following contents are indicated.

Indication
code

Indication Content Unit Remark

C1Pd ~ C6Pd Discharge Pressure MPa

C1Ps ~ C6Ps Suction Pressure MPa

C1td ~ C6td Discharge Gas Temperature

°C

C1ts ~ C6ts Suction Gas Temperature

°C

C1tr ~ C6tr Liquid Refrigerant Temperature

°C

Indicate Max. 6
Refrigerant Circuit
Data

CEL Inlet Water Temperature

°C

CoL Outlet Water Temperature

°C

CcoL Individual Water Piping Outlet Temperature

°C

The display contents
depend on chiller unit.

tSC Setting Temperature of Chilled Water

°C

tSH Setting Temperature of Hot Water

°C

tSCd Setting Analog Temperature of Chilled Water

°C

tSHd Setting Analog Temperature of Hot Water

°C

dF Differential Setting

°C

tA Ambient Temperature

°C

Crno ROM No. of Chiller Unit

CvEr Version No. of Chiller Unit

rno ROM No. of Controller

NOTE:

By pressing the “TEMP.

∧

” switch once, indication code is indicated, and by pressing the “TEMP. ∧”

switch again, indication content is indicated. If the “TEMP.

∨

” switch is pressed, indication is

changed in the opposite order.

2. By pressing the “UNIT SELECTION” switch, the unit No. is changed and each unit data is
indicated. (In case of changing the indicated unit, indication is started from C1Pd.)

CONTROLLER RESET PROCEDURE 21

ENGLISH

 Alarm History Indication

Previous alarm occurrence data is indicated. The data is indicated up to 10 data by pressing the
“UNIT SELECTION” switch.

 Capacity Control State Indication

Capacity control state is indicated.
Individual Control: Capacity of each unit is indicted by each pressing the “UNIT SELECTION”
switch.
Multiple-unit Control: Total Capacity of group is indicated.

NOTE:

If “RESET” switch is pressed, or any switch is not pressed for more than 30 seconds, Indication is
changed to the normal mode.

10.

CONTROLLER RESET PROCEDURE

 Reset Procedure

In the case that group registration or option setting data is required to clear or checking of
connection between the controller and the chiller units is required again, the setting of controller
can be cleared by the following procedure. (It is impossible to clear some part of setting in this
case.)

1. Changing to Self-Checking Mode

By pressing the “UNIT SELECTION ”

∧

” UNIT SELECTION ∨” and “MODE CHANGE” switches
simultaneously when all the groups of units are stopped, the mode is changed to self-checking
mode. If one unit is operated, “NO FUNC.” is indicated and mode is not changed to self-checking
mode.
After changing to the self-checking mode, self-checking is started. By pressing the “UNIT

SELECTION

∧

” “UNIT SELECTION ∨” and “MODE CHANGE” switches simultaneously again
until 02 test start (Checking for Switch and DSW), the mode is changed to EEPROM checking
mode.

℃

H.STRG

PR.

LOCAL

HEAT

SET TEMP.

COOL

MPa

65143287

ABNML

OUTLET

A/C

ABNML

MULTI

HEAT

SET TEMP.

COOL

UNIT No.

℃

65143287

NO FUNC.

EMG.STOP

INDVDL

TIMER

CHECK

OUTLET

INLET

A/C

H.STRG

MPa

TEMP. P R.

H.RCV.

DEMAND

LOCAL

MULTI

UNIT No.

NO FUNC.

EMG.STOP

INDVDL

TIMER

CHECK

INLET

TEMP.

H.RCV.

DEMAND

EEPROM Check

Press the “UNIT
SELECTION

∧

”,

” UNIT SELECTION

∨

” and
“MODE CHANGE”
switches simultaneously
until “02” test start
(Checking for Switch and
DSW), the mode is
changed to “06” (EEPROM
Check) mode.

22 SELF-CHECKING MODE

NOTE:

In case of the “UNIT SELECTION

∧

”, ”UNIT SELECTION ∨” and “MODE CHANGE” switches are

not simultaneously pressed again, self-checking continues. If the self-checking mode is required,
refer to the self-checking procedure of page 23.

2. EEPROM Initialization

If the EEPROM initializing mode is started, the indication is changed as follows.
By press the “RESET” switch at this moment, indication “06” is changed from flickering to light ON
and EEPROM is cleared. (If EEPROM is not cleared, press the “CHECK” switch.) After pressing
the switch, indication is changed automatically as follows, and the mode is changed to connection
checking mode.

NOTE:

If it is not cleared, when connection check is not set, the mode is changed to the normal mode.

11.

SELF-CHECKING MODE

1. Changing to Self-Checking Mode

By pressing the “UNIT SELECTION

∧

”, ” UNIT SELECTION ∨” and “MODE CHANGE” switches
simultaneously when all the groups of units are stopped, the mode is changed to self-checking
mode. If one unit is operated, “NO FUNC.” is indicated and mode is not changed to self-checking
mode.

By pressing the “RESET” switch, flickering of “06” is
changed to light ON. It takes 30 to 60 seconds, to
initialize EEPROM.

To Connection Checking Mode

“RESET”
or
“CHECK”

UNIT

SELF-CHECKING MODE 23

ENGLISH

Indication on the liquid crystal display is changed as follows.

℃

H.STRG

PR.

LOCAL

ABNML

MULTI

HEAT

SET TEMP.

COOL

UNIT No.

℃

65143287

NO FUNC.

EMG.STOP

INDVDL

TIMER

CHECK

OUTLET

INLET

A/C

H.STRG

MPa

TEMP. P R.

H.RCV.

DEMAND

LOCAL

65143287

ABNML

OUTLET

A/C

MULTI

UNIT No.

NO FUNC.

EMG.STOP

INDVDL

TIMER

CHECK

INLET

TEMP.

H.RCV.

DEMAND

HEAT

SET TEMP.

COOL

MPa

2. Checking Content

I. Checking for Liquid Crystal Display. Checking is performed automatically.

II. Checking for RUN Lamp RUN lamp is flickered twice.

III. Checking for Switch and DSW Input. Press all the switch and turn DSW ON or OFF alternatively,

check that the indicated number is “29” as a normal input number.

IV. Checking for Transmission Circuit. Checking is performed automatically.

V. Checking for External Output. Prepare a cable assembly as shown in the right figure and connect

this cable to CN3. Checking proceeding is as follows.
Turning ON LED1 for 2 seconds → Turning ON LED2 for 2 seconds
Turning OFF LED1 and LED2 for 2 seconds
Turning ON LED1 and LED2
(LED is maintained to light ON until pressing the “CHECK” switch.)

VI Checking for External Input

VIII Checking for IC for
Watch-dog Timer

II Checking for RUN Lamp

V Checkin

g

for External Output

Self-checking is completed.
(changed to the normal mode
or connection checking mode)

Normal input number
Is indicated.

iIII Checking for Switch and DSW Input

IV Checking for Transmission Circuit

VII EEPROM Check

I. Checking for Liquid

Crystal

24 SELF-CHECKING MODE

VI. Checking for External Input

Prepare the cable assembly as shown in the right figure and connect this cable to CN2. Checking
proceeding is as follows.
By turning switch 1 ON, LED1 is turning ON → By turning switch 1 OFF and switch 2 ON, LED2 is
turned ON
→ By turning switch 1 and 2 ON, LED1 and LED2 are turned ON
(LED is maintained to light ON until pressing the “CHECK” switch.)

VII.Checking for EEPROM

Refer to EEPROM clearing procedure of page 22.

VIII.Checking for IC for watch-dog timer

Checking is performed automatically.

NOTE:

- By pressing the “UNIT SELECTION

∧

”, ” UNIT SELECTION ∨” and “MODE CHANGE”
switches simultaneously until starting 02 test (Checking for Switch and DSW), the mode is
changed to EEPROM checking mode.

- “04” External Output and ”05” External Input checks are changed to the next procedure by

pressing the “CHECK” switch.

CN3

1

Resistance

LED1

3

2

LED2

Switch 1

CN2

1

3

2

Switch 2

P5413588, PMML0087A-rev.0-01/04 Printed in China

Hitachi Air Conditioning Products (M) Sdn. Bnd.
Lot No. 10, Jalan Kemajan Bangi Industrial Estate
43650 Bandar Baru Bangi
Selangor Darul Ehsan, Malaysia
Certification ISO 9001, Malaysia

Hitachi Air Conditioning Products Europe, S.A.
Ronda Shimizu, 1 - Políg. Ind. Can Torrella
08233 Vacarisses (Barcelona) España
ISO 9002 certified by AENOR, Spain

HITACHI is participating in the EUROVENT Certification
Programme.
Products are as specified in the EUROVENT Directory of Certified
Products.