Carrier 61AF User manual
61AF
Pro-Dialog+ Control
Operating instructions
\\MAINMENU\STATUS
Circuit B Total Capacity
CAPB_T 0 %
DEM_LIM 100 %
SP 4.2 °C
CTRL_PNT -28.9 °C
EMSTOP dsable
ENTER
START/STOP
PRO-DIALOG+
2
The cover graphics are solely for illustration and forms no part of any offer for sale or any sale contract. The
manufacturer reserves the right to change the design at any time without notice.
Contents
1 - SAFETY CONSIDERATIONS ............................................................................................................................................... 3
1.1 - General......................................................................................................................................................................................3
1.2 - Avoid electrocution................................................................................................................................................................. .3
2 - GENERAL DESCRIPTION.................................................................................................................................................... 3
2.1 - General..................................................................................................................................................................................... .3
2.2 - Abbreviations used...................................................................................................................................................................3
3 - HARDWARE DESCRIPTION...............................................................................................................................................3
3.1 - General..................................................................................................................................................................................... .3
3.2 - Electrical supply to boards......................................................................................................................................................4
3.3 - Light emitting diodes on boards.............................................................................................................................................4
3.4 - The sensors............................................................................................................................................................................... .4
3.5 - The controls.............................................................................................................................................................................. .4
3.6 - Connections at the user terminal block................................................................................................................................ .4
4. SETTING UP PRO-DIALOG+ CONTROL.......................................................................................................................... 6
4.1 - General features...................................................................................................................................................................... .6
4.2 - Default screen characteristics ................................................................................................................................................ .6
4.3 - Password screens ..................................................................................................................................................................... .6
4.4 - Menu screen characteristics ................................................................................................................................................... .6
...................................................................................................... .6
.......................................................................................................................................................... .7
4.7 - Operating mode screen........................................................................................................................................................... .7
4.8 - Menu tree structure................................................................................................................................................................. .8
4.9 - Detailed menu description..................................................................................................................................................... .9
5 - PRO-DIALOG PLUS CONTROL OPERATION............................................................................................................. 15
5.1 - Start/stop control................................................................................................................................................................... .15
5.2 - Heat exchanger water pump control................................................................................................................................... .15
5.3 - Control interlock contact ..................................................................................................................................................... .15
5.4 - Heat exchanger frost protection.......................................................................................................................................... .15
5.5 - Control point...........................................................................................................................................................................15
5.6 - Capacity limitation................................................................................................................................................................ .16
5.7 - Capacity control .................................................................................................................................................................... .16
5.8 - Defrost function .................................................................................................................................................................... .16
5.9 - Additional electric heater stage control ............................................................................................................................. .17
5.10 - Control of a boiler............................................................................................................................................................... .17
5.11 - Eco function......................................................................................................................................................................... .17
5.12 - Master/slave assembly ........................................................................................................................................................ .17
6 - DIAGNOSTICS - TROUBLESHOOTING ......................................................................................................................... 18
6.1 - General................................................................................................................................................................................... .18
6.2 - Displaying alarms.................................................................................................................................................................. .18
6.3 - Resetting alarms.................................................................................................................................................................... .18
6.4 - Alarm codes ............................................................................................................................................................................19
3
1.1 - General
Installation, start-up and servicing of equipment can be
hazardous if certain factors particular to the installation are
not considered: operating pressures, presence of electrical
components and voltages and the installation site (elevated
technicians, fully trained for the product, are authorised to
install and start-up the equipment safely. During all servic-
ing operations all instructions and recommendations which
appear in the installation and service instructions for the
and components and accompanying parts supplied sepa-
rately, must be read, understood and followed.
carefully and set them down gently.
1.2 - Avoid electrocution
national Electrotechnical Commission) recommendations
may be permitted access to electrical components. It is
particularly recommended that all sources of electricity to
the unit be shut off before any work is begun. Shut off the
main power supply at the main circuit breaker or isolator.
IMPORTANT: This equipment conforms to all applicable
codes regarding electromagnetic compatibility.
2.1 - General
Pro-Dialog is an electronic control system to regulate units
of the following types: 61AF
These units have only one refrigerant circuit.
The Pro-Dialog control regulates:
circuit
refrigerant circuit.
As standard Pro-Dialog offers three on/off commands:
contacts
command.
The command type is selected in advance by keyboard.
2.2 - Abbreviations used
In this manual, the compressors are labelled A1 and A2.
The following abbreviations are used frequently:
LED Light Emitting Diode
board to the slave boards
SCT Saturated condensing temperature
SST Saturated suction temperature
EXV Electronic expansion valve
3.1 - General
(that allows control of the different electric heater stages),
an EXV board (that ensures the control of the EXV
function) and a user interface. Certain options may require
program for the machine, and continuously manages the
recovery of the values of the various temperature and
pressure sensors.
The user interface includes an alphanumeric eight-line
control wheel.
4
All boards are supplied from a common 24 V a.c. supply
referred to earth.
In the event of a power supply interrupt, the unit restarts
automatically without the need for an external command.
However, any faults active when the supply is interrupted
are saved and may in certain cases prevent a circuit or unit
from restarting.
CAUTION: Maintain the correct polarity of the power
supply connection of the boards, to ensure that they are
not damaged.
All boards continuously check and indicate the proper
operation of their electronic circuits. A light emitting diode
(LED) lights on each board when it is operating properly.
second on, one second off - indicates correct operation.
A different rate indicates a board or a software failure.
show that the board is communicating correctly over
Pressure sensors
Two types of electronic sensors are used:
pressure (optional),
pressure.
Thermistors
The heat exchanger water sensors are installed in the enter-
ing and leaving side. The outdoor temperature sensor is
mounted under a metal plate. An additional sensor placed
on an air heat exchanger pipe ensures defrost operation.
Water circulation pump
The controller regulates the heat exchanger water pumps.
Heaters
They protect the heat exchanger (and the piping for units
without pump) against frost, if the unit has stopped and is
energised.
Boiler
This output authorises start/stop of a boiler.
3.6.1 - General description
The contacts below are available at the user terminal block
used if the unit operates in remote operating type (Remote).
Contrast control
wheel
Back to the previous
screen
- Unit stopped
- List of available operating
Green LED
Unit has stopped
Unit starts up
Unit in operation
Red LED
No alarm
Warning
Circuit or complete unit error
- Navigation
- Validation
- Selection access
5
NRCP2-BASE board connections
CH 08/J4 DI 32-33
CH 09/J4 DI
CH 10/J4 DI 73-74
CH 12/J5 DI Setpoint selection
CH 13/J5 DI
CH 20/J2B DO
CH 21/J2B DO Water heater command
XXXX/J12 Series RJ-45 series connection
- Pin 1: signal +
- Pin 2: ground
- Pin 3: signal -
J2A
J2B
J3
J4
J12
J3
J11
J10
J9B
J9A
J5 J6 J7A J7B J8 J1
J2
J6
J5
J4
J9 J8 J7
3.6.2 - Volt-free on/off contact
If the unit works in the remote operating mode (Remote)
the operation of the on/off contact is as follows:
Without multiplexing
Open Closed
With multiplexing
Open Closed Open
3.6.3 - Volt-free setpoint selection contact
Open Closed
3.6.4 - Volt-free capacity limitation selection contact
100%
Open Closed
6
4.
4.1 - General features
The interface includes different screens that are listed
below:
parameters,
type,
NOTE: If the interface is not used for a long period, it will
go black. The control is always active, the operating mode
remains unchanged. The interface screen is re-animated,
when the user presses a key. Pressing the key once illumi-
nates the screen, pressing the key a second time leads to a
screen that is related to the context and the key symbol.
There are four default screens. Each screen shows:
LOCAL OFF 1 On the left the unit status, on the right
the screen number
Entering water temp
EWT 40°C Abbreviation and value with unit of
Leaving water temp Description of the second parameter
LWT 46°C Abbreviation and value with unit of
measurement of the second parameter
Outside air temperature Description of the third parameter
OAT 4°C Abbreviation and value with unit of
measurement of the third parameter
to another default screen. The screen number is updated.
Enter password
screen
0_** Password value
Description
The password is entered digit by digit. The cursor is shown
Enter key and the cursor is moved to the next digit.
Enter password
1_**
positioned on the second digit
Enter password
11_**
(
Pressing the Enter key at a digit without value validates the
overall selection of the password. The screen is refreshed
by the menu list, and the items displayed depend on the
level of the activated password.
The entry of an incorrect password keeps the password
entry screen.
Password selection 0 (zero) can simply be made by pressing
the Enter key twice in succession.
\\MAINMENU Current path in the menu structure
GENUNIT HYDROKIT
column
TEMP RUNTIME
PRESSURE MODES Menu list
SETPOINT LOGOUT
INPUTS
OUTPUTS
General Parameters Menu
the selection cursor
The Enter key activates the display of the selected sub-menu.
and protects access by a user password. The “Previous” key
permits exiting from the current screen without deactivating
the password-protected access.
The data screens display information parameters such as
unit control parameters such as the water temperature
setpoints.
7
\\MAINMENU\TEMP Current path in the menu structure
EWT 40°C List of items
LWT 46°C Cursor position
OAT 4°C
CHWSTEMP 46°C
SCT_A 49°C
Leaving Water Temperature
the selection cursor
current menu item. The Enter key activates the parameter
attempt is blocked by a refusal screen.
the cursor and then pressing the Enter key.
\\MAINMENU\SETPOINT Current path in the menu structure
hps1 45°C List of items
hps2 45°C Cursor position
hramp_sp 0.6°C
lim_sp1 100%
hramp_sp 27.4°C
Heating Setpoint 2
the selection cursor
Screen description
hsp 1
45 °C Current value
_ °C Cursor position
Heating Setpoint 2 Item description
the following symbols:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, ., -.
scrolling down the digit list above. Each digit is validated
with the Enter key.
Description of the screen
hsp 2
45 °C Current value
46 °C New value before validation
Heating Setpoint 2 Item description
The value is validated with the Enter key. At any time the
ATTENTION: If the user exits from the current data screen,
The Return to the Previous Screen key cancels the current
\\MAINMENUSETPOINT Current path in the menu structure
Save changes?
saved
The unit is in Local Off mode, pressing the on/off (0/1) key
once activates the display of the operating mode screen.
Select Machine Mode Description of the screen
Local On List of the machine operating
modes
Local Schedule Cursor
CCN
Remote
operating mode. Four modes are immediately displayed on
the screen. To access operating modes that are not visible,
operating mode can be validated with the Enter key.
Command accepted Operating mode validation screen
the unit against inadvertent shutdowns.
PRESS ENTER
screen
TO CONFIRM STOP
8
4.8 - Menu tree structure
HOLIDAY
Jours féri és
BRODCAST
.
GENUNIT
TEMP
PRESSURE
SETPOINT
INPUTS
OUTPUTS
RUNTIME
MODES
ALARMS
CONFIG
LOGOUT
LANGUAGES
QCK_TEST
MAINTAIN
ALARMRST
CUR_ALRM
ALMHIST1
GENCONF
PUMPCONF
HCCONFIG
RESETCFG
USERCONF
SCHEDULE
HOLIDAY
BRODCAST
DATETIME
CTRL_ID
DISPLAY
FACTORY
SERVICE
MST_SLV
CP_UNABL
HOLIDY01S
HOLIDY16S
HOLIDY02S
…
OCC1P01S
OCC1P02S
LOADFACT
M_MSTSLV
DEFROSTM
LAST_POR
PR_LIMIT
SERMAINT
OCCDEFCM
NAVIGATION
Password = "0"
ACCESS
ALL
USER
General parameters
Temperatures
Pressures
Setpoint
Inputs
Outputs
Unit status
Operating time
Language selection
Alarm menu
Disconnection
Reset of the alarms
Current alarms
Time schedule
Setpoint reset
Date and time
SHUTDOWN
CONFIRMATION
SCREEN
LIST OF OPERATING
MODES
Schedule 1
Schedule 2
SERVICE
FACTORY
DEFAULT
SCREENS PASSWORD
Pump status
Quick test
Maintenance menu
Compressors out of service
9
ATTENTION: Depending on the unit characteristics, certain menu items are not used.
4.9.1 - GENUNIT menu
CTRL_TYP 0/1/2 - 1
STATUS 0-9 - 2 Operating status
min_left 0-15 min
LSP_SEL 0/1/2 - 11 Setpoint selection via the interface
SP_SEL 0/1/2 - 10 Setpoint selection via the CCN network
SP_OCC Yes/No -
CHIL_S_S Enable/Disable - 3 Unit start/stop via the CCN network
CHIL_OCC Yes/No - 4 Unit time schedule via the CCN network
CAP_T nnn %
DEM_LIM nnn % 7 Demand limit value
SP ±nnn.n °C Current setpoint
CTRL_PNT ±nnn.n °C 8 Control point
EMSTOP Enable/Disable - 9
1 0 = Local, 1 = CCN, 2 = Remote
2 The STATUS point can have the following values:
3
4
7
8
9
10
11 0 = Auto, 1 = Spt1, 2 = Spt2
4.9.2 - TEMP menu
EWT ±nnn.n °C
LWT ±nnn.n °C
OAT ±nnn.n °C Outside air temperature
CHWSTEMP ±nnn.n °C Common master/slave temperature
SCT_A ±nnn.n °C Saturated condensing temperature
SST_A ±nnn.n °C Saturated suction temperature
SUCT_T ±nnn.n °C Suction gas temperature
ECO_SST ±nnn.n °C Saturated suction temperature at the EXV Eco
ECO_SUCT ±nnn.n °C Suction gas temperature at the EXV Eco
DEFRT_A ±nnn.n °C Defrost temperature
DEFRT_2 ±nnn.n °C
4.9.3 - PRESSURE menu
DP_A ±nnn.n kPa Discharge pressure
SP_A ±nnn.n kPa Main suction pressure
ECO_SP_A ±nnn.n kPa Suction pressure EXV Eco
W_P_IN ±nnn.n kPa Entering water pressure
4.9.4 - SETPOINT menu
hsp1 26.7 to 65 65 °C Heating setpoint 1
hsp2 26.7 to 66 61 °C Heating setpoint 2
hramp_sp 0.2 to 2.0 1 ^C Ramp loading
lim_sp1 0 to 100 100 % Limit setpoint
10
4.9.5 - INPUTS menu
ONOFF_SW Open/Close - Remote start/stop contact
SETP_SW Open/Close - Remote setpoint contact
LIM_SW1 Open/Close -
FLOW_SW Open/Close -
leak_v nn.n Volt Leak detector value
Lock_sw2 Open/Close - ontact
4.9.6 - OUTPUTS menu
CP_A1 - Compressor output A1
CP_A2 - Compressor output A2
FAN_A1 0 to 2 - Fan speed A1
FAN_A2 0 to 2 - Fan speed A2
EXV_A nnn % Main EXV position
EXV_ECO nnn % EXV Eco position
EV_VALV1 -
EV_VALV2 -
RV_A -
EXC_HEAT -
BOILER - Boiler command
EHS_STEP n - Electric heater stage
PUMP_1 - Output pump 1
ALARM -
RUNNING -
4.9.7 - RUNTIME menu
HR_MACH nnnnn hours Number of unit operating hours
st_mach nnnnn - Number of unit start-ups
HR_CP_A1 nnnnn hours Number of operating hours compressor A1
st_cp_a1 nnnnn - Number of start-ups compressor A1
HR_CP_A2 nnnnn hours Number of operating hours compressor A2
st_cp_a2 nnnnn - Number of start-ups compressor A2
hr_fana1l nnnnn hours Number of low-speed operating hours fan A1
hr_fana1h nnnnn hours Number of high-speed operating hours fan A1
hr_fana2l nnnnn hours Number of low-speed operating hours fan A2
hr_fana2h nnnnn hours Number of high-speed operating hours fan A2
hr_pump nnnnn hours Number of pump operating hours
4.9.8 - MODES menu
m_limit Yes/No -
m_ramp Yes/No - Ramp loading active
m_cooler Yes/No -
m_SM Yes/No - Aquasmart active
m_leadla Yes/No - Master/slave active
m_night Yes/No - Low-noise level night mode active
m_heater Yes/No - Electric heater stages active
m_boiler Yes/No - Boiler active
m_summer Yes/No - Summer active
m_defr_a Yes/No - Defrost active
m_sst_a Yes/No - Low suction temperature
m_dgt_a Yes/No - High discharge gas temperature
m_hp_a Yes/No - High pressure
m_sh_a Yes/No - High pressure
4.9.9 - ALARMS menu
ALARMRST Alarm reset
CUR_ALRM Current alarms
ALMHIST1
4.9.10 - CONFIG menu
GEN_CONF
PUMPCONF
HC_CONFIG
RESETCFG
USERCONFIG
SCHEDULE Time schedule
HOLIDAY
BRODCAST Summer time/winter time control
DATETIME Time adjustment
DISPLAY
CTRL_ID
11
4.9.12 - CUR_ALRM menu
This menu lists up to ten a active alarms. For each alarm
the display shows the time and date the alarm was
generated as well as the alarm description. Each screen
shows one alarm.
…\ALARMS\CUR_ALM
Alarm #1
4.9.13 - ALMHIST1 menu
This menu lists up to twenty alarms that have occurred at
the unit. For each alarm the display shows the time and date
the alarm was generated as well as the alarm description.
Each screen shows one alarm.
…\ALARMS\ALMHIST1
Alarm #1
4.9.11 - ALARMRST menu
RST_ALM Yes/No - Alarm reset
ALM Normal - Alarm status
alarm_1c nnnnn - Current alarm 1
alarm_2c nnnnn - Current alarm 2
alarm_3c nnnnn - Current alarm 3
alarm_4c nnnnn - Current alarm 4
alarm_5c nnnnn - Current alarm 5
alarm_1 nnnnn - Current JBus alarm 1
alarm_2 nnnnn - Current JBus alarm 2
alarm_3 nnnnn - Current JBus alarm 3
alarm_4 nnnnn - Current JBus alarm 4
alarm_5 nnnnn - Current JBus alarm 5
4.9.14 - SCHEDULE menu
OCC1P01S
OCC1P02S Unit setpoint selection time schedule
4.9.15 - HOLIDAY menu
HOLDY_01
HOLDY_02
HOLDY_03
HOLDY_04
HOLDY_05
HOLDY_06
HOLDY_07
HOLDY_08
HOLDY_09
HOLDY_10
HOLDY_11
HOLDY_12
HOLDY_13
HOLDY_14
HOLDY_15
HOLDY_16
4.9.16 - BRODCAST menu
ccnbroad 0/1/2 2 - Activates the broadcast
oatbusnm 0 to 239 0 - Broadcast of the outside temperature
Bus number of the machine with the outside temperature
oatlocad 0 to 239 0 - Element number of the machine with the outside temperature
Disable/Enable Disable - Activation summer time, winter time
startmon 1 to 12 3 - Month
startdow 1 to 7 7 -
startwom 1 to 5 5 - Week of the month
stopmon 1 to 12 10 - Month
stoptdow 1 to 7 7 -
stopwom 1 to 5 5 - Week of the month
12
4.9.17 - GENCONF menu
ramp_sel Yes/No No - Ramp loading sequence
1 to 15 1 min
nh_start 00:00 to 24:00 00:00 - Night mode start hour
nh_end 00:00 to 24:00 00:00 - Night mode stop hour
bas_menu 0 to 3 0 -
0 = total access
3 = combination of 1 and 2
Yes/No No -
4.9.18 - PUMPCONF menu
pump_seq Yes/No No -
pump_per Yes/No No - Pump seizure protection
pump_loc Yes/No Yes -
4.9.19 - HCCONFIG menu
hr_sel 0 to 3 0 - Heating reset selection
1 = outside temp., 0 = none, 2 = delta T
min_th -20 to 0 -15 °C Outside temperature minimum threshold heating mode
5 to 100 100 °C
boil_th -30 to 15 -10 °C Outside temperature threshold for the boiler
ehs_th -5 to 21 5 °C Outside temperature threshold for electric heater stages
ehs_back Yes/No No - One backup electric heater stage
ehs_pull 0 to 60 0 minutes
ehs_defr Yes/No No - Quick electric heat stages for defrost
4.9.20 - RESETCFG menu
oathr_non -10 to 51.7 -10 °C Outside temperature for no reset
oathr_fu -10 to 51.7 -10 °C
dt_hr_non -17.8 to -3.9 -17.8 ^C Delta T for no reset
dt_hr_fu -17.8 to -3.9 -17.8 ^C
v_hr_non -17.8 to -6.7 -17.8 ^C Current value for no reset
v_hr_fu -17.8 to -6.7 -17.8 ^C
hr_deg -34.4 to 1.1 -17.8 ^C Heating mode reset value
4.9.21 - USERCONF menu
language 0 to 5 0 - Language selection
English = 0, Spanish = 1, French = 2, German = 3, Italian = 4,
Translation = 5
use_pass 1 to 9999 11 - User password
4.9.22 - DATETIME menu
hour 0 to 24 hours Hour
minutes 0 to 59 minutes Minutes
dow 1 to 7 -
tom_hol No/Yes No -
tod_hol No/Yes No -
No/Yes - Winter time change-over active?
dlig_on No/Yes - Summer time change-over active?
d_of_m 1 to 31 -
month 1 to 12 - Month
0 to 99 - Year
4.9.23 - CTRL_ID menu
elemt_nb 1 to 239 1 - Element number
bus_nb 0 to 239 0 - Bus number
baudrate 9600 to 38400 9600 - Communication speed
61 AF Pro-Dialog+ Description
CSA-SR-20H430NN
-
Software version
Serial number
13
4.9.24 - OCC1PSX menu
The control provides two timer programs:
matically switch the unit from an occupied mode to an
unoccupied mode: the unit is started during occupied periods.
automatically switch the active setpoint from an occupied
setpoint to an unoccupied setpoint, if the Auto mode has
been selected.
Setpoint 1 is used during occupied periods, setpoint 2
during unoccupied periods.
Each schedule consists of eight time periods set by the
not in effect on each day of the week plus a holiday period.
The day begins at 00.00 hours and ends at 23.59 hours.
Program is in unoccupied mode unless a schedule time period
is in effect. If two periods overlap and are both active on
the same day, the occupied mode takes priority over the
unoccupied period.
Each of the eight periods can be displayed and changed
with the aid of a sub-sub-menu. The following table shows
for the time schedule 1 or the time schedule 2.
Time schedule type:
23
22
21
P6P3
2
0
P3
19
P3
1
8
P3P2P2
17
P4P4P3P2P2
1
6
P4P4P3P2P2
1
5
P4P4P3P2P2
14
P4P4P3P2P2
1
3
P4P4P3P2P2
12
P5P4P4P3P2P2
11
P5P4P4P3P2P2
10
P5P4P4P3P2P2
9
P5P4P4P3P2P2
8
P5P4P4P3P2P2
7
6
5
4
3
P1
2
P1
1
P1
0
HOLSUNSATFRITHUWESTUEMON
Time MON:
TUE:
WED:
THU:
FRI:
SAT:
SUN:
HOL:
Occupied
Unoccupied
Active on
P1: period 1, 0h00, 3h00,
P2: period 2, 7h00, 18h00,
P3: period 3, 7h00, 21h00,
P4: period 4, 7h00, 17h00,
P5: period 5, 7h00, 12h00,
P6: period 6, 20h00, 21h00,
P7: period 7,
P8: period 8,
14
OVR_EXT 0-4 0 hours Occupied schedule override
DOW1 0/1 11111111 -
OCCTOD1 0:00-24:00 00:00 - Occupied from
UNOCTOD1 0:00-24:00 24:00:00 - Occupied until
DOW2 0/1 0 -
OCCTOD2 0:00-24:00 00:00 - Occupied from
UNOCTOD2 0:00-24:00 00:00 - Occupied until
DOW3 0/1 0 -
OCCTOD3 0:00-24:00 00:00 - Occupied from
UNOCTOD3 0:00-24:00 00:00 - Occupied until
DOW4 0/1 0 -
OCCTOD4 0:00-24:00 00:00 - Occupied from
UNOCTOD4 0:00-24:00 00:00 - Occupied until
DOW5 0/1 0 -
OCCTOD5 0:00-24:00 00:00 - Occupied from
UNOCTOD5 0:00-24:00 00:00 - Occupied until
DOW6 0/1 0 -
OCCTOD6 0:00-24:00 00:00 - Occupied from
UNOCTOD6 0:00-24:00 00:00 - Occupied until
DOW7 0/1 0 -
OCCTOD7 0:00-24:00 00:00 - Occupied from
UNOCTOD7 0:00-24:00 00:00 - Occupied until
DOW8 0/1 0 -
OCCTOD8 0:00-24:00 00:00 - Occupied from
UNOCTOD8 0:00-24:00 00:00 - Occupied until
4.9.25 - HOLIDY0XS menu
the month, starting day and duration of the public holiday
period. During these public holidays the controller will be
in occupied or unoccupied mode, depending on the
programmed periods validated for public holidays.
Each of these public holiday periods can be displayed and
changed with the aid of a sub-menu.
ATTENTION: The broadcast function must be activated
to utilise the holiday schedule, even if the unit is running
HOL_MON 0-12 0 -
HOL_DAY 0-31 0 -
HOL_LEN 0-99 0 -
Screen description
OCCT0D1 Item name
00:00
12.2_
12h2_
Occupied from
15
The table below summarises the unit control type and stop
or go status with regard to the following parameters.
Operating type: this is selected using the start/stop
button on the front of the user interface.
LOFF: local off, L-C: local on, L-SC: local schedule,
Remote start/stop contacts: these contacts are used
when the unit is in remote operating type (Remote).
See sections 3.6.2 and 3.6.3.
CHIL_S_S: this network command relates to the unit
Command set to Stop: the unit is halted.
Command set to Start: the unit runs in accordance
with schedule 1.
Start/Stop schedule: occupied or unoccupied status of
the unit as determined by the unit start/stop program
(Schedule 1).
Master control type. This parameter is used when the
unit is the master unit in a two chiller lead/lag arrange-
ment. The master control type determines whether the
unit is to be controlled locally, remotely or through
CCN emergency shutdown:
activated, it shuts the unit down whatever the active
operating type.
General alarm: the unit is totally stopped due to failure.
Master
General
- - - - - - - - - - Active - -
------- - - - - oui-
- - - - Active - - - - - - CCN
- - - - Active - - - - Unoccupied - - CCN
- - - - - Active - CCN - - - CCN
- - - - - Active - - CCN Unoccupied - - CCN
- - - - Active - On - - Occupied Disabled No CCN On
- - - - - Active On - CCN Occupied Disabled No CCN On
Active - - - - - - - - - - - Local
- - Active - - - - - - Unoccupied - - Local
- - - - - Active - - Local Unoccupied - - Local
- Active - - - - - - - - Disabled No Local On
- - Active - - - - - - Occupied Disabled No Local On
- - - - - Active - - Local Occupied Disabled No Local On
- - - Active - - - Open - - - - Remote
- - - Active - - - - - Unoccupied - - Remote
- - - - - Active - Open Remote - - - Remote
- - - - - Active - - Remote Unoccupied - - Remote
- - - Active - - - Closed - Occupied Disabled No Remote On
- - - - - Active - Closed Remote Occupied Disabled No Remote On
Master/slave control is not active, or it is active and unit is
the master unit:
In the On, Stopping or Delay modes and if the unit is
stopped the pump is started up and continues to operate
for 20 seconds after the compressor has stopped. It is
stopped if the boiler is active, but could be started up due
to the capacity limitation function.
Master/slave function is active and unit is the slave unit:
The pump is started up, when the unit is started up and if
the demand limit is above 1%. Otherwise the pump will be
stopped 30 seconds after the last compressor has stopped,
In this case the pump will run continuously.
The water pump is started up each day at 14.00 hours for
two seconds.
and customer safety loop, see chapter 3.6). It prevents the
unit from starting if it is open when the delay at start-up
has expired. This open contact leads to an alarm shut-
down, if the unit is running.
The heater for the heat exchanger and the water pump
(for units with a pump) can be energised to protect the heat
exchanger, if it may be damaged by frost, when the unit is
shut down for a long time at low outdoor temperature.
NOTE: Heat exchanger heater control parameters can be
!"
The control point represents the water temperature that
the unit must produce. The heat exchanger entering water
temperature is controlled by default, but the heat exchanger
leaving water temperature can also be controlled (requires
Control point = active setpoint + reset
16
5.5.1 - Active setpoint
the second setpoint is used for unoccupied periods.
Depending on the current operating type, the active setpoint
can be selected:
The following tables summarise the possible selections
depending on the control types (local, remote or network)
and the following parameters:
point, if the unit is in local operating type.
status.
Capacity limitation is used to restrict the unit power
consumption. The Pro-Dialog control system allows
limitation of the unit capacity, using user-controlled volt-
free contacts.
Capacity limitation can result in a demand limit, a capacity
loss or a limit demand in the night mode.
The unit capacity can never exceed the limitation setpoint
activated by these contacts. The limitation setpoints can be
keep the heat exchanger water temperature at its setpoint.
The precision with which this is achieved depends on the
number of stages available on the unit. The control system
continuously takes account of the temperature error with
respect to the setpoint, as well as the rate of change in this
error and the difference between entering and leaving
water temperatures, in order to determine the optimum
moment at which to add or withdraw a capacity stage.
If the same compressor undergoes too many starts (per
hour) or runs below one minute each time it is started this
automatically brings about reduction of compressor starts,
which makes leaving water temperature control less precise.
In addition, the high pressure, low pressure or defrost
unloading functions can also affect the temperature control
accuracy. Compressors are started and stopped in a sequence
designed to equalise the number of start-ups (value weighted
by their operating time).
Defrost is activated to reduce frost build-up on the air heat
exchanger. During the defrost cycle the fans of that circuit
are stopped, and the four-way refrigerant valve is reversed,
forcing the circuit to cooling mode. The fan can temporarily
be restarted during the defrost cycle. The defrost cycle is
fully automatic and does not require any setting.
selection
status
Heating sp1 - Heating setpoint 1
Heating sp 2 - Heating setpoint 2
Heating auto occupied Heating setpoint 1
Heating auto unoccupied Heating setpoint 2
contact
Heating Heating setpoint 1
Heating Heating setpoint 2
5.5.2 - Reset
machine capacity is required. The setpoint is decreased.
load. For the Pro-Dialog control system, the source of the
This reset can be based on:
- this gives a measure of the load trends for the
building
- if the outside temperature decreases, the setpoint
will again increase.
- this is the heat exchanger delta T and gives an
average building load
- if the temperature difference is reduced, the
setpoint will decrease.
In both cases the reset parameters, i.e. slope, source and
Reset is a linear function based on three parameters.
or delta T - no reset value).
temperature or delta T - full reset value).
17
As an option, the heat pump units can control up to four
additional electric heating stages.
The electric heating stages are activated to complement the
or the unit is limited in its operation by a protection
mode (low suction temperature, hot gas or defrost
sequence in progress protection), and in all cases cannot
satisfy the heating load.
stages as a safety stage. In this case, the safety stage is only
activated in addition to the other stages if there is a
machine fault, preventing the use of the heating capacity.
The other electric heating stages will continue to operate
as described above.
is operating, the unit water pump is stopped. A heat pump
unit and a boiler cannot operate together.
In this case the boiler output is activated in the following
conditions:
menu.
NOTE: The control of the electric heating stages or of a
boiler is not authorised for slave units.
The 61AF units include an Eco function. This function is
maintaining the superheat setpoint. The function is not
operation.
Two Pro-Dialog+ units can be linked to produce a master/
slave assembly. The two machines are interconnected over
tion menu.
Master/slave operation requires the connection of a tempe-
rature probe at the common manifold on each machine, if
the heat exchanger leaving water temperature is controlled.
It is not required, if the entering water temperature is
controlled.
The master/slave assembly can operate with constant or
must control its own water pump and automatically shut
down the pump, if the cooling capacity is zero.
continuously operating, if the system is operating. The
master unit can control a common pump that will be
activated, when the system is started. In this case the slave
unit pump is not used.
All control commands to the master/slave assembly (start/
stop, setpoint, heating mode operation, load shedding, etc.)
and must therefore only be applied to the master unit.They
will be transmitted automatically to the slave unit.
The master unit can be controlled locally, remotely or by
validate the Master operating type (Master) on the master
then use the remote volt-free contacts for unit start/stop.
To stop the master/slave assembly, select Local Off on the
master unit or use the remote volt-free contacts if the unit
One of the functions of the master unit (depending on its
or slave is to be the lead machine or the follower.The roles
of lead machine and follower will be reversed when the
difference in running hours between the two units exceeds
two units are automatically equalised.
The changeover between lead machine and follower may
take place when the assembly is started up, or even whilst
running.The running time balancing function is not active
is always the master unit.
18
lead machine is at its full available capacity, start-up delay
has expired, and if the error on the control point is greater
than 1.7°C, the follower unit is authorised to start and the
pump is activated. The follower will automatically use the
master unit active setpoint. The lead machine will be held at
its full available capacity for as long as the active capacity
a command to stop, its evaporator water pump is turned
off with 20 seconds delay.
In the event of a communication fault between the two
units, each shall return to an autonomous operating mode
until the fault is cleared. If the master unit is halted due to
an alarm, the slave unit is authorised to start without prior
conditions.
ATTENTION: For heat pumps operating in master/slave
mode and using an NRCP2 board or equipped with electric
heater stages control must be on the entering water
temperature.
6.1 - General
The Pro-Dialog+ control system has many fault tracing aid
functions. The local interface and its various menus give
access to all unit operating conditions. If an operating fault
is detected, an alarm is activated and an alarm code is
ALARMRST.
The alarm LED on the interface (see chapter 4.1) allows
the quick display of the unit status.
there is an alert.
down due to a fault.
The ALARMRST menu on the main interface displays up
can be reset, depending on the type, either automatically
on return to normal, or manually when action has been
taken on the unit. Alarms can be reset even if the unit is
running.
This means that an alarm can be reset without stopping the
machine. In the event of a power supply interrupt, the unit
restarts automatically without the need for an external
command. However, any faults active when the supply is
interrupted are saved and may in certain cases prevent a
circuit or a unit from restarting.
A manual reset must be run from the main interface via
item may be protected by a password.
19
code
1 th-01
Automatic when the temperature
Defective thermistor Unit is shut down
2 th-02
Automatic when the temperature
Defective thermistor Unit is shut down
3 th-03 Defrost sensor fault, circuit A Automatic when the temperature
Defective thermistor Unit is shut down
4 th-04 Defrost sensor fault, second coil Automatic when the temperature
Defective thermistor Unit is shut down
5 th-10 Outside temperature sensor fault Automatic when the temperature
Defective thermistor Unit is shut down
6 th-11 Automatic when the temperature
Defective thermistor The master/slave mode is
stopped
7 th-12 Suction sensor fault Automatic when the temperature
Defective thermistor Unit is shut down
8 th-24 Economiser sensor fault Automatic when the temperature
Defective thermistor Unit is shut down
9 Pr-01 Discharge pressure transducer fault Automatic when the voltage transmitted
Defective transducer or connection
fault
Unit is shut down
10 Pr-04 Suction pressure transducer fault Automatic when the voltage transmitted
Defective transducer or connection
fault
Unit is shut down
11 Pr-13 Economiser pressure transducer fault Automatic when the voltage transmitted
Defective transducer or connection
fault
Unit is shut down
12 Pr-24 Water pump pressure transducer fault Automatic when the voltage transmitted
Defective transducer or connection
fault
Unit is shut down
13 Co-E1 Communication loss with the EXV
board
Automatic when communication is
re-established
Installation bus fault or defective
slave board
Unit is shut down
14 Co-O1 Communication loss with PD-AUX
board No.1
Automatic when communication is
re-established
Installation bus fault or defective
slave board
Unit with optional water pressure
sensors, unit is shut down.
15 Co-O2 Communication loss with PD-AUX
board No. 2
Automatic when communication is
re-established
Installation bus fault or defective
slave board
None
16 A1-01 CP A1 fault: Kriwan electrical
protection open
Manual Compressor overheating Compressor is shut down
17 A2-01 CP A2 fault: Kriwan electrical
protection open
Manual Compressor overheating Compressor is shut down
18 P-01 Automatic if the same alarm has not tripped
during the last 24 hours, otherwise manual.
thermistor
Unit is shut down
19 P-05 Low suction temperature. Automatic when the temperature returns to
normal, and if this alarm has not appeared
during the last 24 hours, otherwise manual.
Pressure sensor defective, EXV
blocked or low refrigerant charge
Unit is shut down
20 P-08 High superheat Automatic when the temperature returns to
normal, and if this alarm has not appeared
during the last 24 hours, otherwise manual.
Pressure sensor defective, EXV
blocked or low refrigerant charge
Unit is shut down
21 P-11 Low superheat Automatic when the temperature returns to
normal, and if this alarm has not appeared
during the last 24 hours, otherwise manual.
Pressure sensor defective, EXV
blocked or low refrigerant charge
Unit is shut down
22 P-14
interlock fault
Automatic if the unit is in manual
shut-down status, otherwise manual.
Unit is shut down, if the alarm
occurs in defrost mode, if not
the unit remains on.
23 P-16 Compressor A1 not started or no
pressure increase registered
Manual Connection problem Compressor is shut down
24 P-17 Compressor A2 not started or no
pressure increase registered
Manual Connection problem Compressor is shut down
25 P-29
Manager
Automatic when communication is
re-established
CCN installation bus defective Unit goes into autonomous
mode
26 P-30 Communicaiton loss between master
and slave
Automatic when communication is
re-established
CCN installation bus defective Unit goes into autonomous
mode
27 P-31 Manual Network command Unit is shut down
28 P-32 Fault water pump 1 Manual Pump overheating or poor pump
connection
29 P-37 Repeated high pressure unloading Automatic Transducer defective or fan circuit fault None
30 P-40 Repeated low suction temperature
unloading
Manual Pressure sensor defective or
refrigerant charge too low
Unit is shut down
31 P-43
less than 8°C, prevents unit start-up
Automatic when the temperature detected
returns to normal
Operating compressor protection
out of range or pressure sensor fault
The unit cannot start
32 P-50 Refrigerant leak Automatic when the concentration returns
to a lower value than the normal threshold
Refrigerant leak or volatile
components present in the machine
atmosphere
None
33 P-63 High pressure fault Manual Fan fault Unit is shut down
34 P-97 Reversed entering/leaving water sensors Manual Sensor defective, sensors reversed Unit is shut down
35 MC-nn
returns to normal or when the unit is no
longer in master/slave mode
Master/slave mode is stopped
36 FC-nO Unit is shut down
code
37 FC-nn
number
Manual
with the wrong value
Unit is shut down
38 Sr-nn Maintenance alert Manual Maintenance has been carried out
on one of the critical components
None
39 P-28 Automatic
been activated
Unit is shut down
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