Download WEEKLY CENTRALIZED CONTROLLER FOR INDOOR UNITS

WEEKLY CENTRALIZED CONTROLLER
FOR INDOOR UNITS
USER'S MANUAL
DTCWT IHXR Model
WARNING!
PLEASE READ THIS MANUAL BEFORE USING YOUR NEW WEEKLY CENTRALIZED CONTROLLER.
-1-
Table of Contents
SAFETY PRECAUTIONS.......................................................................................................... 3
INSTALLATION......................................................................................................................... 4
INDICATORS ON WEEKLY CENTRALIZED CONTROLLER................................................... 8
BUTTONS ON WEEKLY CENTRALIZED CONTROLLER...................................................... 10
HOW TO USE THE WEEKLY CENTRALIZED CONTROLLER.............................................. 12
ERROR CODES...................................................................................................................... 21
-2-
SAFETY PRECAUTIONS
Please read the Safety Precautions carefully before using DTCWT - IHXR Weekly Centralized
Controller. Do observe the following Safety Precautions, for they are very important.
Before reading the text, please be familiar with the following markers and icons, and comply
with the Precautions.
Markers
Icons
Markers
!
!
Indication
Icons
Indication
WARNING
The sign shows the risk of
death or serious injury will
be caused due to the wrong
operation.
FORBID. Action or procedure not allowed,
with serious effects on objects and people.
CAUTION
The sign shows the risk of
injury or the damage to the
property will ba caused due
to the wrong operation.
ENFORCE. Compulsory acton or procedure.
The missed observance could bring serious
effects on objects and people.
• A strict observance of the following instructions will prevent personal hurt and incidents to the
User. Moreover, correct operation and long life of the appliance will be ensured.
• The User must never attempt to install or repair the Weekly Centralized Controller by
himself.
WARNING
MOVE AND REPAIR
CAUTION
OPERATION
CAUTON
INSTALLATION
WARNING
!
Installation
commitment
• Please always contact the Retailer or the Authorized
Technical Service for installation of the Weekly Centralized
Controller.
Users must not install the Weekly Centralized Controller by
themselves.
A wrong installation may cause electric shocks, injuries
or fire.
Do not spray inflammable liquid on the Weekly Centralized
Controller, or fire may be caused.
FORBID
!
FORBID
Do not operate with wet hands.
Do not let water go into the Weekly Centralized Controller, to
avoid the danger of electric shocks.
If you want to move or re-install your Weekly Centralized
Controller, please always contact the Authorized Technical
Service.
Do not disassemble your Weekly Centralized Controller.
If you need to disassemble the Weekly Centralized Controller,
please contact the Authorized Technical Service.
A wrong disassembly may cause abnormal operation or
overheating, which may result in fire.
-3-
INSTALLATION
System Wiring Instructions
1. Connecting diagram for air-conditioning system with central network
a) Connecting diagram 1
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Weekly-Timer Central Controller
b) Connecting diagram 2
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Weekly-Timer Central Controller
2. Other relevant explanation
There are two kinds of Indoor Unit:
- Indoor Unit with built-in network module
- Indoor Unit with external network module.
Indoor Unit
MD-NIM01
XYE
Weekly-Timer Central Controller
MAX=64
-4-
INSTALLATION
Accessory List
The following is the packing list of DTCWT - IHXR Weekly-Timer Central Controller.
Confirm whether it contains all accessories.
Nb.
Quantity
Name
1
Weekly-Timer Central Controller
2
Cross-head screw
6 pieces
3
Screw anchor
6 pieces
4
User’s Manual (Installation & Operating Instructions)
1 piece
5
120 Ohm resistor for XY line
4 piece
1 piece
Field installation accessories prepared
Nb.
Name
Quantity
Remarks
1
Three-core shielded cable
1 piece
Used for communicating with the Indoor
Unit of the air conditioning system
2
Three-core cable
1 piece
Used for the supplying power to the WeeklyTimer Central Controller
3
Switch case
1 piece
4
Cable tubes
3 pieces
5
Cable tie
several
Used for binding cable
(according to the specific situation)
Installation Instructions
Installation Instructions to the Central Controller:
1. Directly connect 20V~50/60Hz to ends L and N of the socket on the back of the Central
Controller.
2. The signal cable and power cable of the Central Controller cannot be contained in the same
cable tube. The distance between the signal cable tube and power cable shall be between
300 mm ~ 500 mm at least.
3. The total signal cable length of the Central Controller shall not exceed 1,200 m.
4. Make sure there is no joint in the middle of the shielded cable. If such a joint exists, use a
socket to connect it.
5. After finishing the connection of the Central Controller, do not use megger to check the
insulation of the signal cable.
6. Connecting mode between the Central Controller and network interface:
The communication port between the Central Controller and the network interface of the
air conditioning system is polar. The X, Y, E pins on both sides shall be corresponding and
cannot be cross-connected.
Correct connection
Wrong connection
Wrong connection
-5-
Wrong connection
INSTALLATION
Installation Method
The installation method of the Central Controller using electrician switch case.
The thickness of the Central Controller cable shall be adjusted according to the
length of the cable. A proper cable tube shall be used to install the cable of the Central
Controller.
Insert the flap tip screwdriver into the 2 recesses on the top panel of the case and
slightly turn to open the top cover of the Central Controller.
136
92
Dimensions: as shown in the right
diagram.
Installation screw hole (4)
70.5
48.5
83.5
Slightly turn flat tip screwdriver to open
the top cover (2 recesses)
Screws used for fixing the Central
Controller
Base
Top cover
Y E
L N
ON
OFF
COM
Power connector of the Central Controller 220V/AC
OFF---COM: Emergency Stop Switch, used to shut down all air conditioners.
OFF---COM: Emergency Open Swith, used to start up all air conditioners.
Communication interface to the Indoor Unit.
-6-
INSTALLATION
Installation Method
POWER SUPPLY=
220V/AC
INDOOR
UNIT (MAX)
INDOOR
UNIT (32)
INDOOR
UNIT (0)
INDOOR
UNIT (10)
INDOOR
UNIT (1)
Connecting diagram of network-based air conditioning system
(There are 2 types of Indoor Units: a) with external network interface module in the
main control board; b) with built-in network interface module in the main control
board)
-7-
Time
-8Fan Speed:
High, Middle, Low
Run Mode:
Auto, Cool, Heat,
Fan, Dry
Weekly Timer
Off
On-line condition
matrix table of air
conditioners 0-63
Economy
Run
Swing
Query
Lock
Heat
Operate
result
Electric Lock
Lock
Auxiliary Keyboard Remoter
Heater
Set
Lock
Cool
INDICATORS ON WEEKLY CENTRALIZED CONTROLLER
Indicators’ description of the Weekly-Timer Central Controller
1) General drawing of the liquid crystal display of the Weekly-Timer Central Controller
INDICATORS ON WEEKLY CENTRALIZED CONTROLLER
2) LCD icon description of the Weekly-Timer Central Controller
Icon
Meaning
Icon
Meaning
Automatic Mode
Fan Only Mode
Cool Mode
Dry Mode
Heat Mode
Fan Speed:
High/Medium/Low
Electric
Auxiliary
Heater
Lock Heat
Lock Cool
Lock Remoter
Lock Keyboard
Setting
Querying
Operate Result
Weekly Timer Off
All
Online
Protecting
Error
Set Temperature
Period 1, 2, 3, 4
Room Temperature
T2A Liquid Side Temp. (I.U.)
T2B Gas Side Temp.(I.U.)
T3 Outdoor Pipe Temp.
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
-9-
BUTTONS ON WEEKLY CENTRALIZED CONTROLLER
Buttons’ description of the Weekly-Timer Central Controller
1) General key layout of the Weekly-Timer Central Controller
Set Time
On/Off
Weekly-Timer
Confirm to
save
Confirm
Query
Air Conditioner
Enter the
setting page of
the
Weekly Timer
Time
Weekly
Program
Set
Air Conditioner
Set
Fan Speed
Used to select the
air conditioner to
be set or queried
Query
Set
Run Mode
Set
Cancel
Add
Reduce
Per annullare
l’operazione
corrente
Mode
Set
Swing
Fan
Swing
Reset
Lock
Reset
Default
Settings
Set Lock
2) Key instructions of the Weekly-Timer Central Controller
Key Name
Usage
Press “ON/OFF” button. All air conditioners will be shut down if they are running. On the
contrary, they will be started up. If you press the button for less than 5 seconds, the startup
mode is the last running mode of the air conditioner. If you press the button for more than 5
seconds, the startup mode is Cooling, High Speed, 24°C.
Press “SET” button and select “set single” or “set all”. “Set single” indicates to set the parameter
(such as Mode/Temperature/Fan Speed/Weekly Timer) of a selected air conditioner.
“Set all” indicates to set the parameter of all air conditioners controlled by the Central Controller.
Press “QUERY” button to query the running condition of the air conditioner, such as On/Off,
Temperature Setting, Indoor Temperature, Running Mode and Fan Speed. Press “Up”,
“Down”, “Left” and “Right” buttons to select the air conditioner that you would like to query.
“Up” button. When querying or setting the Indoor Unit, press this button to select the Indoor
Unit to be set or queried.
“Down” button. When querying or setting the Indoor Unit, press this button to select the Indoor
Unit to be set or queried.
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BUTTONS ON WEEKLY CENTRALIZED CONTROLLER
“Left” button. When querying or setting the Indoor Unit, press this button to select the Indoor
Unit to be set or queried. In setting the Weekly Timer, it is used for selecting the day of the
week and the time of startup and shutdown.
“Right” button. When querying or setting the Indoor Unit, press this button to select the Indoor
Unit to be set or queried. In setting the Weekly Timer, it is used for selecting the day of the
week and the time of startup and shutdown.
When querying the Indoor Unit, press “ADD” button to query more parameter of the Indoor Unit.
In setting the Indoor Unit, it is for modifying the setting temperature. In setting the Weekly
Timer, it is for modifying the time of startup and shutdown.
When querying the Indoor Unit, press “REDUCE” button to query more parameter of the Indoor
Unit. In setting the Indoor Unit, it is for modifying the setting temperature. In setting the Weekly
Timer, it is for modifying the time of startup and shutdown.
When setting the Indoor Unit, it is used for setting the running mode, which includes Automatic,
Cool, Heat, Fan, Dry modes and Off (shutdown of the air conditioner). You can select among
them.
When setting the Indoor Unit, it is for setting the fan speed, which includes High speed, Middle
speed, Low speed and Automatic speed. You can select among them.
When setting the Indoor Unit, it is for setting the swing function. The running mode is selected
between “Swing-on” and “Swing-off”.
When setting, press “LOCK” button to lock the remote controller of all or single Indoor Unit.
Press the “QUERY” button and hold under the main page, then repress the “LOCK” button
again to lock the keyboard of the Central Controller; press the “MODE” button and then
repress the “LOCK” button to lock the running mode.
If you press this button, default settings are restored, as when power is restored after a
power failure.
Under the main page, press “PROGRAM” button to set the Weekly Timer of “single indoor unit”
or “all indoor units”. Press the “QUERY” button and hold, and press the “PROGRAM” button
to query the Weekly Timer parameters of the Indoor Unit.
Under the main page, press the “WEEKLY” button to start up or shut down the Weekly Timer
function.
Under the main page, press the “TIME” button for 5 seconds to enter the time-modifying
status, and then press “ADD” or “REDUCE” button to modify the time. Press “Left” or
“Right” button to select Minute / Hour / Day / Month / Year. Finally, press the “CONFIRM”
button to save the modification.
Save data and send the command required to the Indoor Unit, such as setting the mode
of the air conditioner.
Cancel
Cancel the last operation and return to the last interface.
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HOW TO USE THE WEEKLY CENTRALIZED CONTROLLER
a) The main interface of the Weekly-Timer Central Controller (User Interface)
1) Under the other pages, press
button to return to the main interface.
Cancel
2) Under the other pages, automatically return to the main interface when no operation
is perfomed for a period of time.
3) The main interface displays the on-line condition of the Indoor Unit.
Sixty-one Indoor Units
are on-line.
Date
The on-line condition of the Indoor Unit
b) Setting interface of single Weekly-Timer Central Controller
1) Under the main interface, press
of a single air conditioner.
Set
button to select the interface for the setting
2) Automatically return to the main interface when no operation is performed for a period
of time.
3) Set the running status of a single air conditioner under this page.
Indoor Net-address
Room Temperature
28°C
Set Temperature
20°C
Cool
High Speed
- 12 -
Setting
Set
Successfully
HOW TO USE THE WEEKLY CENTRALIZED CONTROLLER
c) Setting interface of Weekly Timer parameters of a single air conditioner
1) Under the main interface, press
single Weekly Timer.
Program
to display the parameter setting interface of a
2) Automatically return to the main interface if no operation is performed for a period of
time.
3) Under this page, set the Weekly Timer parameters of a single air conditioner, including
Startup Time, Shutdown Time, the Running Mode of this period, Temperature and Fan Speed.
4) One air conditioner can be at most st with four periods in one day from Monday to Sunday,
seven days in total.
Period 1
Monday
Time on
Time off
d) Unified setting interface of the Weekly-Timer Central Controller (all air conditioners)
1) Under the main interface, press
Set
button to display the unified setting interface.
2) Automatically return to the main interface if no operation is performed for a period of time.
3) Set the running mode of all air conditioners under this page, including Mode, Temperature
and Fan Speed.
Set
unsuccessfully
All
Indoor Units
Weekly-Timer off
- 13 -
Lock
Remoter
Lock
Cool
HOW TO USE THE WEEKLY CENTRALIZED CONTROLLER
e) The operating flow description of the Weekly-Timer Central Controller
1) How to set the running status of the air conditioner?
Under the main
interface
1. Press
Set
button to enter the setting status interface of single air conditioner. Press the button repeatedly
to select “Single” and “All” alternately; the display shows “Set”.
If you select “Single”, press
buttons to select one.
2. Selecting “All”, indicates to set the running status of all air conditioners, and “All” is displayed. Selecting “Single”
displays the address of a single air conditioner: for example, if the air conditioner whose address is 12 is selected,
“12#” is displayed.
3. Press
Confirm
button to select running mode: Automatic, Cooling, Heating, Fan Dry, or Off (shutdown of the air
conditioner). If you select “Off”, press Mode button to send shutdown command, finishing shutdown setting.
4. If you select Cooling Mode or Heating Mode, press Add
is within 17°C~30°C).
There is no temperature adjustment for other modes.
5. Press
Speed.
Fan
Reduce
buttons to adjust the Temperature (the scope
button to regulate Fan Speed, which can be selected among Automatic, Low, Middle and High
6. Press
Swing
button to activate automatic swinging of louver.
7. Press Confirm button to save the above setting and send input to the
corresponding air conditioner. The setting is finished.
2) How to query the running status of the air conditioner?
Under the
main interface
1. Press Query button to enter the query status of a single air conditioner; the display shows “Query”.
Press
buttons to select one air conditioner.
2. Press
ADD
REDUCE
buttons to view more parameters of the air conditioner.
- 14 -
HOW TO USE THE WEEKLY CENTRALIZED CONTROLLER
3) How to lock and unlock the Remote Controller of the air conditioner?
Under the
main interface
1. Press
Set
button to enter the setting status interface of a single air conditioner. Press the button
repeatedly to select “Single” and “All” alternately. The display shows “Set”.
If you select “Single”, press
buttons to select one air conditioner.
2. Selecting “All”, indicates to set the running status of all air conditioners, and “All” is displayed. Selecting
“Single”, displays the address of a single air conditioner: for example, if the air conditioner whose address
is 12, “12#” is displayed.
Lock
3. Press
button to send the lock or unlock command of the remote controller to the corresponding
air conditioner and finish setting.
4) How to lock and unlock the mode of the air conditioner?
Under the
main interface
1. Press Mode button and hold, then press Lock
button to enter the setting interface of the mode-locking.
2. If the air conditioner is in the mode of unlocking, press
buttons to select cooling-locking or
heating-locking. Press Confirm
button to send mode-locking command.
3. If the air conditioner is in the mode of locking, press
to all air conditioners.
Confirm
button to send the selected unlock command
5) How to lock and unlock the keyboard of the Weekly-Timer Central Controller?
Under the
main interface
1. Press and hold Query
button, and then press
Lock
2. The keyboard will be locked if it is unlocked.
If it is locked, it will be unlocked.
- 15 -
button.
HOW TO USE THE WEEKLY CENTRALIZED CONTROLLER
6) How to set the function and relevant parameters of the Weekly Timer of the air conditioner?
Under the
main interface
1. Press Program button to enter the setting status interface of a single air conditioner. Press the button repeatedly
to select “Single” and “All” alternately. The display shows “Set”.
If you select “Single”, press
to select one air conditioner.
Press Confirm button to
select air conditioner to the next step.
Press Cancel button to cancel the
selection and return to the last step.
2. Selecting “All”, indicates to set the Weekly Timer parameters of all air conditioners, and “All” is displayed. Selecting
“Single” displays the address of the air conditioner: for example, if the air conditioner whose address is 12, “12#”
is displayed.
3. Press
buttons to select the Day of the Week.
Press Cancel button to cancel the
selection and return to the last step.
Press Confirm button to select the day
of the week to the next step.
4. Set the parameters of Period 1, including Shutdown Time, Startup Time, Running Mode, Fan Speed and
Temperature. First of all, set the Startup and Shutdown Time. Press
buttons to select the Startup and
Shutdown Time. Press Add Reduce to modify the Startup and Shutdown Time.
Press Cancel button to cancel the
set of Period 1 and return to the last step.
Press Confirm button to save the
parameter of the Period 1 to the next step.
5. Press Mode
button to select Running Mode: Automatic, Cool, Heat, Fan, Dry, or Off. If you select the Cool,
Automatic or Heat mode, press Add Reduce buttons to adjust the Temperature (the scope is within 17°C~30°C).
Press Fan button to regulate Fan Speed, which can be selected among Automatic speed, Low speed, Middle speed
and High speed.
Press Cancel button to cancel the
set of Period 1 and return to the last step.
Press Confirm button to save the
parameter of the Period 1 to the next step.
6. Finish the Weekly Timer parameter setting of Period 1.
7. Set Periods 2, 3, 4 according to the above operation.
8. After finishing the setting of each Period, select in sequence the Days of the Week to set the parameters
of the Weekly Timer from Monday to Sunday, seven days in total.
Finish setting
- 16 -
HOW TO USE THE WEEKLY CENTRALIZED CONTROLLER
7) How to close the Weekly Timer setting related to a Period?
Under the
main interface
1. Press Program button to enter the setting status interface of a single air conditioner. Press the button repeatedly
to select “Single” and “All” alternately. The display shows “Set”.
If you select “Single”, press
buttons to select one air conditioner.
Press Cancel button to cancel
the selection and return to the last step.
Press Confirm button to select
air conditioner to the next step.
2. Selecting “All”, indicates to set the Weekly Timer parameters of all air conditioners, and “All” is displayed. Selecting
“Single” displays the address of a single air conditioner: for example, if the air conditioner whose address is 12,
is selected, “12#” is displayed.
3. Press
buttons to select the Day of the Week.
Press Cancel button to cancel the
set of Period 1 and return to the last step.
Press Confirm button to save the
parameter of the Period 1 to the next step.
4. Set the parameters of Period 1, including Shutdown Time, Startup Time, Running Mode, Fan Speed and
Temperature. First of all, set the Startup and Shutdown Time. Press
buttons to select the Startup and
Shutdown Time. Press Add Reduce buttons to modify the Startup and Shutdown Time.
Press Cancel button to cancel the
set of Period 1 and return to the last step.
Press Confirm button to save the
parameter of Period 1 to the next step.
5. Press Mode button to select Running Mode: Automatic, Cool, Heat, Fan, Dry, or Off.
Select “Off” mode.
Press Confirm button to save the
parameter of the Period 1 to the next step.
Press Cancel button to cancel the
set of period 1 and return to the last step.
6. Finish shutting down the Weekly Timer function related to Period 1.
7. Shut down the Timer during Periods 2, 3, 4 according to the above operation.
Finish setting.
- 17 -
HOW TO USE THE WEEKLY CENTRALIZED CONTROLLER
8) How to query the Weekly Timer setting parameters of the air conditioner?
Under the
main interface
1. Press Query button to enter the query status of a single air conditioner. The display shows “Query”. Then
press Program button to query the Weekly Timer parameters.
Press
buttons to select the air conditioner that needs to be queried.
Press Cancel to cancel the
selection and return to the last step.
Press Confirm button to select
air conditioner to the next step.
2. Selecting “All”, indicates to set the Weekly Timer parameters of all air conditioners, and “All” is displayed. Selecting
“Single” displays the address of a single air conditioner: for example, if the air conditioner whose address is 12 is
selected, “12#” is displayed.
3. Press
buttons to select the Day of the Week.
Press Cancel button to cancel the
selection and return to the last step.
Press Confirm button to select the
Day of the Week to the next step.
4. Press
buttons to select the Weekly Timer parameters of the queried Periods 1, 2, 3, 4.
5. Query the Weekly Timer parameters of any Indoor Unit within any time according to the above operation.
9) How to start up or shut down the Weekly Timer function of all air conditiioners?
Under the
main interface
1. Press
Weekly
button.
2. If the Weekly Timer functionis shut down, it will be started up;
if the Weekly Timer function is started up, it will be shut down.
3. If the Weekly Timer function is shut down, the display shows “Weekly Timer Off”.
- 18 -
HOW TO USE THE WEEKLY CENTRALIZED CONTROLLER
10) How to modify the system Time?
Under the
main interface
1. Press
button for 5 seconds to enter the Time-setting interface.
Time
2. Press
buttons to select Minute / Hour / Day / Month / Year that need to be modified.
3. First, press
4. Press
Add
buttons to select the Year that needs to be modified.
Reduce
5. Press
6. Press
buttons to select the Month that needs to be modified.
Add
Reduce
7. Press
8. Press
buttons to modify the Month.
buttons to select the Day that needs to be modified.
Add
Reduce
9. Press
10. Press
buttons to modify the Year.
buttons to modify the Day.
buttons to select the Hour that needs to be modified.
Add
Reduce
11. Press
buttons to modify the Hour.
buttons to select the Minutes that need to be modified.
12. Press
Add
13. Press
Confirm
Reduce
buttons to modify the Minutes.
button to save the modification.
- 19 -
HOW TO USE THE WEEKLY CENTRALIZED CONTROLLER
f) Others
An example to show the function of the Weekly Timer
Example: Take the Indoor Unit with “04” address, set the Weekly Timer and start up the
Weekly Timer function according to the procedure illustrated on the previous pages.
The following Table shows an example of Timer setting.
Period 1
Monday
Tuesday
Time on = 07:30
Time off = 18:00
Mode = Cool
Temp. = 24°C
Fan Speed = High
Time on = 07:30
Time off = 18:00
Mode = Cool
Temp. = 24°C
Fan Speed = Low
Period 2
Period 3
Time on = 18:30
Time off = 21:00
Mode = Fan only
Temp. =
Fan Speed = High
Time on = 21:30
Time off = 23:30
Mode = Cool
Temp. = 24°C
Fan Speed = High
Period 3
Time on = 18:30
Time off = 19:00
Mode = Off
Temp. =
Fan Speed =
From the above Table, we can see that Timer has been set for 2 days every week, namely
Monday and Tuesday.
In particular:
• Monday foresees 3 Periods of setting.
Period 1: Started Time is 07:30, Shutdown Time is 18:30, Running Mode is Cool, Temperature
is 24°C and Fan Speed is High.
If the air conditioner is running within the set period of the Weekly Timer and another control
device - as for example a wired controller - is active, the air conditioner will run according to
the commands of the control device, till next Period (Period 2) of the Weekly Timer.
• Tuesday foresees 1 Period of setting: in fact, as no Running Mode is set in Period 2, (Mode =
Off), Timer function is not active.
- 20 -
ERROR CODES
Error Codes on the Weekly Centralized Controller’s display
Code
Content
EA
Compressor overcurrent error
EB
Inverter module protection
EC
Freshness fault
ED
Fault protection of the Outdoor Unit
EE
Water-level detection fault
EF
Other faults
E0
Phase-sequence error or phase-failure
E1
Communication fault
E2
T1 sensor fault
E3
T2 sensor fault
E4
T2B sensor fault
E5
Compressor discharge temp. sensor, T3 temp. sensor, T4 temp. sensor error
E6
Zero-crossing detection error
E7
EEPROM error
E8
Indoor fan-speed out of control
E9
Communication fault between main board and display board
00#
Communication fault between the network interface module and the main control board
01#
Communication fault between the central controller and the network interface modulelo
P0
Temperature protection of evaporator
P1
Anti-cold air or defrosting protection
P2
High temperature protection of condenser
P3
Temperature protection of compressor
P4
Temperature protection of exhaust pipe
P5
Discharge high-pressure protection
P6
Discharge low-pressure protection
P7
Over-voltage or under-voltage protection
P8
Compressor overcurrent error
PF
Altre misure di protezione
- 21 -
EC DECLARATION OF CONFORMITY
We TERMAL Srl - 14, Via della Salute - 40132 Bologna - Italy
dECLARE
under our sole responsibility that HOKKAIDO Product
Weekly-Timer Central Controller
• DTCWT - IHXR
conforms with the following directives:
• EMC Directive 89/336/EEC and its following 92/31 EEC by L.D. No. 476 dated Decdmber 4th, 1992.
• LV Directive 73/23 EEC and applied Standards EN 60335-2-40.
NOTES
TERMAL Srl
14, Via della Salute
40132 Bologna - Italy
Tel. +39.051.41.33.111
Fax +39.051.41.33.112
www.termalgroup.com
Due to on-going technological development of the products by the Manufacturer, we
reserve the right to vary the technical specifications at any time without notice.