CIAT DynaCIAT LG User manual

DYNACIAT LG/LGN (80-600)
CONNECT TOUCH
11 - 2020
10619
Instruction manual

CONTENTS
1 - SAFETY CONSIDERATIONS.................................................................................................................................................. 5
1.1 - Safety guidelines................................................................................................................................................................. 5
1.2 - Safety precautions............................................................................................................................................................... 5
2 - CONTROL OVERVIEW ........................................................................................................................................................... 6
2.1 - Control system .................................................................................................................................................................... 6
2.2 - System functionalities.......................................................................................................................................................... 6
2.3 - Operating modes................................................................................................................................................................. 6
3 - HARDWARE DESCRIPTION................................................................................................................................................... 7
3.1 - Control boards..................................................................................................................................................................... 7
3.2 - Power supply to boards....................................................................................................................................................... 7
3.3 - Light emitting diodes ........................................................................................................................................................... 7
3.4 - Connect Touch connections ................................................................................................................................................ 7
3.5 - Pressure transducers .......................................................................................................................................................... 8
3.6 - Temperature sensors........................................................................................................................................................... 8
3.7 - Actuators ............................................................................................................................................................................. 8
3.8 - Terminal block connections ................................................................................................................................................. 9
3.9 - RS485 wiring (best practice) ............................................................................................................................................. 10
4 - USER INTERFACE: OVERVIEW ...........................................................................................................................................11
4.1 - Touch screen display..........................................................................................................................................................11
4.2 - Home screen (synoptic view) .............................................................................................................................................11
4.3 - Information message box...................................................................................................................................................11
4.4 - Screen calibration...............................................................................................................................................................11
4.5 - Warning messages.............................................................................................................................................................11
4.6 - Saving modications ..........................................................................................................................................................11
4.7 - Header buttons.................................................................................................................................................................. 12
4.8 - Other buttons..................................................................................................................................................................... 12
5 - USER INTERFACE: MENU STRUCTURE........................................................................................................................... 13
5.1 - Main menu......................................................................................................................................................................... 13
5.2 - Conguration menu........................................................................................................................................................... 21
5.3 - Schedule menu ................................................................................................................................................................. 25
5.4 - Holiday menu .................................................................................................................................................................... 25
5.5 - Network menu ................................................................................................................................................................... 26
5.6 - System menu .................................................................................................................................................................... 28
5.7 - Login menu........................................................................................................................................................................ 30
5.8 - Start / stop menu............................................................................................................................................................... 31
5.9 - Alarms menu ..................................................................................................................................................................... 32
6 - STANDARD CONTROL OPERATIONS AND OPTIONS ...................................................................................................... 34
6.1 - Unit start/stop control ....................................................................................................................................................... 34
6.2 - Control interlock contact.................................................................................................................................................... 35
6.3 - Cooling/Heating................................................................................................................................................................. 35
6.4 - Additional heating control .................................................................................................................................................. 35
6.5 - Control point...................................................................................................................................................................... 35
6.6 - Heat exchanger water pump control ................................................................................................................................. 37
6.7 - Capacity control................................................................................................................................................................. 38
6.8 - Capacity limitation ............................................................................................................................................................. 38
6.9 - Condensing pressure control (optional) ............................................................................................................................ 39
6.10 - Dry Cooler Free Cooling (DCFC) .................................................................................................................................... 39
6.11 - Master/Slave assembly ................................................................................................................................................... 40
6.12 - Night mode...................................................................................................................................................................... 40
6.13 - Brine option (option 5, option 6) ...................................................................................................................................... 40
6.14 - BACnet (option 149)........................................................................................................................................................ 40
6.15 - Modbus (option 149B)..................................................................................................................................................... 40
6.16 - Software Activation Key(s) .............................................................................................................................................. 41
6.17 - Schedule setting.............................................................................................................................................................. 42
6.18 - Holidays........................................................................................................................................................................... 42
6.19 - Trending .......................................................................................................................................................................... 43
6.20 - User quick test................................................................................................................................................................. 43
7 - WEB CONNECTION.............................................................................................................................................................. 44
7.1 - Web interface .................................................................................................................................................................... 44
7.2 - Technical documentation................................................................................................................................................... 44
DYNACIAT LG/LGN EN-2

CONTENTS
8 - DIAGNOSTICS ...................................................................................................................................................................... 45
8.1 - Control diagnostics............................................................................................................................................................ 45
8.2 - Displaying current alarms.................................................................................................................................................. 45
8.3 - E-mail notications ............................................................................................................................................................ 45
8.4 - Resetting alarms ............................................................................................................................................................... 45
8.5 - Alarm history...................................................................................................................................................................... 45
8.6 - Alarms description............................................................................................................................................................. 46
9 - MAINTENANCE..................................................................................................................................................................... 49
EN-3 DYNACIAT LG/LGN
The illustrations in this document are for illustrative purposes only and not part of any o󰀨er for sale or contract. The manufacturer reserves the right to change the design
at any time without notice.

PREFACE
The goal of this document is to give a broad overview of the main
functions of the control system used to control and monitor the
operation of the following units:
■DYNACIAT LG series (cooling or heating): units with water-
cooled condenser
■DYNACIAT LGN series (cooling): units without condenser
Instructions in this manual are given as a guide to good practice
in the installation, start-up and operation of the control system.
This document does not contain full service procedures for the
correct operation of the equipment.
The support of a qualied Manufacturer Service Engineer is
strongly recommended to ensure optimal operation of the
equipment as well as the optimization of all available
functionalities.
Note that this document may refer to optional components and
certain functions, options or accessories may not be available
for the specic unit.
IMPORTANT: All screenshots of the user interface provided
in this manual include text in English. After changing the
language of the system, all labels will be in the language
selected by the user.
Please read all instructions prior to proceeding with any work.
Pay attention to all safety warnings.
The information provided herein is solely for the purpose of
allowing customers to operate and service the equipment and it
is not to be reproduced, modied or used for any other purpose
without the prior consent of the Manufacturer.
Acronyms/abbreviations
In this manual, the refrigerant circuits are called circuit A and
circuit B. Compressors in circuit A are labelled A1, A2 and A3.
Those in circuit B are B1 and B2.
■Dynaciat LG - LGN (080-450) units have only one circuit with
one, two, or three compressors (A1, A2, A3).
■Dynaciat LG - LGN (480-600) units have two circuits with two
compressors per circuit (A1, A2, B1, B2).
The following abbreviations are used frequently:
BMS Building Management System
BPHE Brazed Plate Heat Exchanger
DCFC Dry Cooler Free Cooling
DGT Discharge Gas Temperature
EHS Electric Heater Stage
EWT Entering Water Temperature
EXV Electronic Expansion Valve
HSM Hydronic System Manager
LED Light Emitting Diode
LEN Sensor Bus (internal communication bus linking the
basic board to slave boards)
LWT Leaving Water Temperature
OAT Outdoor Air Temperature
SCT Saturated Condensing Temperature
SST Saturated Suction Temperature
Operating modes:
Local-O󰀨/LOFF Operating type: Local O󰀨
Local-Schedule/L-SC Operating type: Local On following
a time schedule
Local-On/L-C Operating type: Local On mode
Master mode/Mast Operating type: Master unit (master/
slave assembly)
Network mode/Net Operating type: Network
Remote mode/Rem Operating type: Remote contacts
DYNACIAT LG/LGN EN-4

1 - SAFETY CONSIDERATIONS
1.1 - Safety guidelines
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
plinths and built-up structures).
Only properly qualied installation engineers and highly qualied
installers and technicians, fully trained for the product, are
authorised to install and start up the equipment safely.
During all servicing operations all instructions and
recommendations which appear in the installation and service
instructions for the product, as well as on tags and labels xed
to the equipment and components and accompanying parts
supplied separately, must be read, understood and followed.
Failure to comply with the instructions provided by the
manufacturer may result in injury or product damage.
■Apply all standard safety codes and practices.
■Wear safety glasses and gloves.
■Use the proper tools to move heavy objects.
■Move units carefully and set them down gently.
1.2 - Safety precautions
Only personnel qualied in accordance with IEC (International
Electrotechnical Commission) recommendations may be
permitted access to electrical components.
It is particularly recommended that all sources of electricity to
the unit be shut o󰀨 before any work is begun. Shut o󰀨 the main
power supply at the main circuit breaker or isolator.
IMPORTANT: This equipment conforms to all applicable
codes regarding electromagnetic compatibility.
RISK OF ELECTROCUTION! Even when the main circuit
breaker or isolator is switched o, specic circuits may still
be energised as they may be connected to a separate power
source.
RISK OF BURNS! Electrical currents may cause components
to get hot. Handle the power cable, electrical cables and
conduits, terminal box covers and motor frames with great
care.
EN-5 DYNACIAT LG/LGN

2 - CONTROL OVERVIEW
Connect Touch control system:
■Allows users to control the unit via the Connect Touch user
interface.
■Provides web connectivity technology.
■Supports Enhanced Control Management (Connected
Services, Cristo Control, Power Control) for multiple chillers/
heat pump conguration.
■Provides direct BMS integration capabilities via Modbus
RTU/TCP and BACnet IP.
2.3 - Operating modes
The control can operate in three independent modes:
■Local mode: The unit is controlled by commands from the
user interface.
■Remote mode: The unit is controlled by dry contacts.
■Network mode: The unit is controlled by network commands
(Proprietary Protocol / BACnet / Modbus).
When the control operates autonomously (Local or Remote),
it retains all of its control capabilities but does not o󰀨er any of
the features of the Network.
Emergency stop! The Network emergency stop command
stops the unit regardless of its active operating type.
2.1 - Control system
Dynaciat units come with a Connect Touch control that serves
as the user interface and configuration tool for the communicating
devices.
Connect Touch controls:
■compressor start-up to control the water loop
■fixed or variable-speed pumps to optimise water loop
operation
■ fan stages for units tted with a dry cooler or LGN units with
a remote condenser
Connect Touch control can function as a stand-alone system or
it may be connected to the building management system using
a communication bus.
IMPORTANT: This document may refer to optional
components and certain functions, options or accessories
may not be available for the specic unit.
2.2 - System functionalities
The system controls the start-up of the compressors needed to
maintain the desired heat exchanger entering and leaving water
temperature. It constantly manages the operation of the fans in
order to maintain the correct refrigerant pressure in each circuit
and monitors safety devices that protect the unit against failure
and guarantee its optimal functioning.
Features overview
Feature Dynaciat LG Dynaciat LGN
standard optional standard optional
4.3’’ touch screen ( Connect Touch )x x
Web connectivity x x
E-mail transmission x x
Language packs (+ language pack customization) x x
Metric / Imperial unit display x x
Modbus RTU / Modbus TCP communication (option 149B) x x
BACnet IP communication (option 149) x x
Scroll compressor technology x x
Fluid type: Medium Brine (option 5) x
Fluid type: Low Brine (option 6) x
Diagnostics x x
User quick test x x
Variable speed pump x
Cooling control x x
Heating control x
Boiler heating control x
Electric heating control x
Dry Cooler Free Cooling control (DCFC) x x
Condenser dry cooler - only LEN connector provided
(dry cooler installed separately) x x
DYNACIAT LG/LGN EN-6

3 - HARDWARE DESCRIPTION
3.1 - Control boards
The control system consists of the main controller, i.e. Connect
Touch, and at least one SIOB board. The controller constantly
monitors the unit and manages the information received from
various pressure and temperature probes.
The electrical box includes all boards controlling the unit and the
user interface. All boards communicate via an internal bus.
The number of SIOB boards depends on the following:
■Size of the unit: Single-circuit units have one SIOB board by
default, whereas dual-circuit units are tted with two SIOB
boards (the second SIOB board is normally used to support
the second refrigerant circuit).
■ Additional options: 080 to 450 size units may be tted with
the second SIOB board only if the unit comes with additional
functionalities, e.g. pump on the source side (condenser for
cooling mode and cooler for heating mode).
In addition to SIOB board(s), Dynaciat LG/LGN units of all sizes
can be equipped with AUX1 board(s).
The number of AUX1 boards installed on the unit depends on
the selected options (see below).
AUX1 board
Option LG LGN
Master/Slave assembly o o
Dry Cooler Free Cooling* o o
Dry cooler (condenser)* o o
*For these two options the board is directly installed in the dry cooler itself, not in
the control box of the air-conditioning unit.
3.2 - Power supply to boards
All boards are supplied from a common 24 VAC 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 given circuit or the
unit from restarting.
CAUTION: Maintain correct polarity when connecting the
power supply to the boards, otherwise the boards may be
damaged.
3.3 - Light emitting diodes
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.
■The red LED ashing for a two-second period indicates correct
operation. A di󰀨erent rate indicates a board or a software
failure.
■ The green LED ashes continuously on all boards to show
that the board is communicating correctly over its internal bus
(LEN bus). If the green LED is not ashing, this indicates
a LEN bus wiring problem or a conguration issue.
3.4 - Connect Touch connections
Connections are located on the bottom of the main controller.
■The control o󰀨ers communication protocols such as LEN,
Proprietary Protocol, Modbus RTU or Modbus TCP and/or
BACnet IP.
■It is possible to enable and disable end of line resistors via
the System menu (see section 5.6).
■One Ethernet port allows for TCP/IP communication or BMS
(Building Management System) connection.
Connect Touch connections
EN-7 DYNACIAT LG/LGN

3.5 - Pressure transducers
The control implements three types of pressure transducers,
where two pressure transducers (high pressure and low pressure)
are used to measure the suction and discharge pressure in each
circuit and the third transducer type is water pressure type used
in case of units tted with the hydronic kit option.
■Discharge pressure transducers (high pressure type)
These transducers measure the discharge pressure in each
circuit. They are used to control head pressure or high
pressure load shedding. Discharge pressure sensors are
mounted on the discharge line piping of each circuit.
■Suction pressure sensors (low pressure type)
These transducers measure the suction pressure in each
circuit. They are used to control EXV, evaporating pressure
(in heating mode) and monitor suction pressure safeties
related to the compressor operating envelope. Suction
pressure sensors are located on the suction piping of each
circuit.
■Water pressure transducers
As an option (hydronic kit option), these sensors are used to
monitor the water pressure and the water ow by measuring
the water pressure in two di󰀨erent locations. The water ow
rate is calculated, the unit is protected against water ow
losses and the pump is protected against cavitation (low
pump entering pressure).
3.6 - Temperature sensors
Temperature sensors constantly measure the temperature of
various components of the unit, ensuring the correct operation of
the system.
■Water heat exchanger entering and leaving water temp.
sensors
The water heat exchanger entering and leaving water temp.
sensors are used for capacity control and safety purposes.
The water temperature sensors are installed in the entering
and leaving side.
■Suction temperature sensors
Suction temperature sensors are used to control temperature
at the compressor inlet line in order to ensure correct capacity
control management.
■Condenser entering and leaving water temp. sensors
(Dynaciat LG)
The condenser entering and leaving water temperature
sensors are used for heating capacity control and safety
purposes.
■Outdoor air temperature sensor (optional)
If available (Dynaciat LGN as standard), this sensor
measuring the outdoor air temperature is used for the reset
signal calculation and for condensing fan control (standard
for dry cooler and condenserless unit control).
■Master/Slave water sensors (optional)
These sensors measure the common water temperature in
the master/slave system capacity control. They are installed
only in the case of master/slave units.
3.7 - Actuators
■Electronic expansion valve
The electronic expansion valve (EXV) is used to adjust the
refrigerant ow to changes in the operating conditions of the
machine. The high degree of accuracy with which the piston
is positioned provides precise control of the refrigerant ow
and suction superheat.
■Water ow switch
For units without internal pumps, the water ow switch
conguration allows for the automatic control of the minimum
water ow setpoint of the water ow switch. The conguration
depends on the unit size and is made automatically at the
start-up. If the ow switch fails, the alarm condition shuts o󰀨
the unit.
■Water pumps (optional)
The controller can independently regulate each water heat
exchanger pump. The controller enables constant ow control
based on the minimum pump speed setpoint.
Water ow control can also be based on the heat exchanger
temperature di󰀨erence or the water pressure di󰀨erence.
■Boiler
If there is a unit fault in the heating mode this output
authorises start-up and shutdown of a boiler. Dynaciat LG
units can be tted with a boiler which is energised only when
requested by the controller in case of heating demand. For
Dynaciat LG units, the boiler is activated when the operating
conditions are not suitable for thermodynamic heating or the
unit is down due to a detected failure.
■Electric heaters
Electric heaters are used as a supplementary heating source
in the heating mode.
3 - HARDWARE DESCRIPTION
DYNACIAT LG/LGN EN-8

3.8 - Terminal block connections
Connections available at the user terminal block may vary
depending on the selected options. The following table
summarizes the connections at the user terminal block.
IMPORTANT: Some contacts can be accessed only when
the unit operates in Remote mode.
Description Board Connector Remarks
Remote On/O󰀨 contact SIOB, cir A +:32/ -:33 Used for the unit on/o󰀨 control (Remote mode)
Remote Heat/Cool contact SIOB, cir A +:63/ -:64 Used to set cooling and heating when the unit is in Remote mode
Switch-controlled demand limit SIOB, cir A +:73/ -:74 Used to control demand limit
Switch dual setpoint SIOB, cir A +:65/ -:66 Used to select the second cooling setpoint
Lock switch SIOB, cir A +:34/ -:35 Used for the customer safety loops
Condenser 3-way valve SIOB, cir A +:80+/-:80- Used to control the water ow on the condenser side
Boiler SIOB, cir A +:69/ -:70 Used to command a boiler
Running SIOB, cir A +:37/-: 38 Used to signal a running status (at least one compressor start)
Alarm SIOB, cir A +: 30/-: 31 Used to signal an alarm
Electrical Heater Stage 1 AUX1 341 / 12 Used to control the electrical heater stage 1
Electrical Heater Stage 2 AUX1 342 / 12 Used to control the electrical heater stage 2
Electrical Heater Stage 3 AUX1 343 / 12 Used to control the electrical heater stage 3
Electrical Heater Stage 4 AUX1 344 / 12 Used to control the electrical heater stage 4
NOTE: Please refer to the electrical scheme for more
information about electrical terminal identication.
3.8.1 - Volt-free contact (on/o󰀨 and cooling/heating)
For chillers with a boiler or heat pumps, on/o󰀨 contacts and
cooling/heating contacts are as follows:
Contact Off Cooling Heating
On/O󰀨 contact
[ON_OFF_SW] open closed closed
Cooling/heating contact
[HC_SW] open open closed
O󰀨: Unit is stopped
Cooling: Unit is allowed to start in Cooling
Heating: Unit is allowed to start in Heating (chiller with boiler control or heat pump)
3.8.2 - Volt-free setpoint selection contact
When the unit is under remote control, the volt-free contact is
used to determine the active setpoint. This dry contact is used
to switch between setpoints. It is active only when the control is
in Remote mode.
Contact Active setpoint
SP1 SP2 SP3 Auto
SETP_SW1 open closed open closed
SETP_SW2 open open closed closed
3.8.3 - Volt-free demand limit selection contact
One dry contact can be used to limit unit capacity. The limit
threshold can be dened via the user interface in the Setpoint
menu.
Contact 100% Limit 1 Limit 2 Limit 3
Demand limit 1 contact
[LIM_SW1] open closed open closed
3 - HARDWARE DESCRIPTION
EN-9 DYNACIAT LG/LGN

3.9 - RS485 wiring (best practice)
For RS485 ports, one of the following cables can be used:
■two twisted pairs + a shield (RECOMMENDED)
■three wires + a shield
Note that “+” and “-” are communication signals and they are
from the same twisted pair.
The signal ground could be a single wire or a twisted pair and it
should be connected to the “C” pin of J10 (Modbus RTU) or J7
(Proprietary Protocol). This wire is required so that all nodes on the
bus share a common ground reference connection.
If a shield is used, then the shield cable should be properly
terminated and connected as short as possible at ONLY one
end to the chassis ground (4.3-inch controllers).
3.9.1 - RS485 wiring: 4.3-inch controller
The following diagrams illustrate possible RS485 wiring schemes
for 4.3-inch controllers.
The rst wiring scheme is the best option (RECOMMENDED),
but the second or the third wiring can also be used.
No.1 RS485 wiring diagram (RECOMMENDED)
No. 2 RS485 wiring diagram (CORRECT)
No. 3 RS485 wiring diagram (CORRECT)
No. 4 RS485 wiring diagram (INCORRECT - Do not use!)
No. 5 RS485 wiring diagram (INCORRECT - Do not use!)
3.9.2 - RS485: Daisy chain conguration
The following illustration shows proper 3-wire cable with a shield
in a daisy chain conguration.
BC
D
Legend
B Shield
C Keep shield continued
D Connect shield to earth ground only at one point
End of Line Resistor: Termination is only needed when running
at bus at very high speed over long distances.
The speed of the bus and the cable distance determine whether
termination is needed. It is meant to balance the bus to minimize
the ringing that may be caused by fast signals and the inductance
of the cabling.
At 9600 baud, termination will have little or no e󰀨ect on the bus.
3 - HARDWARE DESCRIPTION
DYNACIAT LG/LGN EN-10

4.1 - Touch screen display
CONNECT TOUCH is a 4.3 in. colour touch screen with quick
display of alarms, current unit operating status, etc. It allows for
web connectivity and custom language support (control
parameters displayed in the language selected by the user).
■If the touch screen is not used for a while, the screen will go
black. The control system is always active and the operating
mode remains unchanged. Press anywhere on the screen
and the Home screen will be displayed.
■It is recommended to use a stylus for the navigation via the
touch screen.
4.2 - Home screen (synoptic view)
The home screen is the starting point of the controller. It is also
the rst screen shown after starting the user interface.
B C D
E
F
G H I J
K
L
M
N
O
①Home button ⑧Start/Stop button
②Back button ⑨Alarm button
③Main menu button ⑩EXV (Electronic Expansion Valve)
④Heat exchanger ⑪Setpoint
⑤Compressor ⑫Unit status
⑥System menu ⑬LWT (Leaving Water Temperature)
⑦Login button
(restricted access to menus)
⑭EWT (Entering Water Temperature)
4.3 - Information message box
The information displayed in the status bar at the bottom of the
screen includes relevant messages related to actions taken by
the user.
MESSAGE STATUS
SUCCESS Displayed when the requested action is executed.
INTERNAL
COMMUNICATION
FAILURE!
Displayed when the main application is not running.
HIGH FORCE IN
EFFECT!
Displayed when the controller rejects the “Force” command
(applicable only to status menus).
ACCESS DENIED! Displayed when trying to perform actions not allowed at
current access level.
4 - USER INTERFACE: OVERVIEW
4.4 - Screen calibration
The purpose of screen calibration is to make sure that the
software acts correctly upon pressing icons on the user interface.
To calibrate the screen:
1. Press and hold anywhere on the screen.
2. The calibration process will start.
3. Please follow instructions displayed on the screen:
“Touch the target in (...) screen corner”
4.5 - Warning messages
Warning messages are used to inform the user that a problem
occurred and the requested action cannot be completed
successfully.
Login failure
If the wrong password is provided, the following warning message
will be displayed:
“The password entered does not match any stored passwords”
■Press the Conrm button and type the correct password
(see section 5.7).
4.6 - Saving modications
In case a parameter has been changed, but not saved with the
Save button, the following warning message will be displayed:
“Your recent changes haven't been saved (...)”
■Press the Conrm button to continue without saving the
modication.
■Press Cancel to come back to the current screen and then
save the modication with the Save button.
EN-11 DYNACIAT LG/LGN

4.7 - Header buttons
Button Description
Home screen: Press the button to go to the Home screen.
Previous screen: Press the button to go back to the
previous screen.
Main menu: Press the button to go to the Main menu.
System menu: Press the button to go to the System menu.
Login menu: Used to log in to the controller in order to
access higher conguration level.
Not logged in.
Advanced access level.
Unit Start/Stop: Used to control the unit control mode.
Unit is stopped.
Unit is running.
Alarm menu: Press the button to go to the Alarms menu.
No alarm active on the unit
Blinking icon: Partial alarm (one circuit affected
by the existing alarm) or Alert (no action taken
on the unit)
Steady icon: Alarm(s) active on the unit
4.8 - Other buttons
Button Description
Log in button: Press the button to log in at specic access
level.
Log o󰀨 button: Press the button to log off.
Save button: Press the button to save the modication.
Cancel button: Press the button to cancel the modication.
Force button: Press the button to force the parameter.
Remove Force button: Press the button to remove the
forced parameter.
Up button: Press the button to scroll up.
Down button: Press the button to scroll down.
Conrm button: Press the button to conrm the
modication.
Cancel button: Press the button to cancel the modication.
Trending button: Press the button to display trends.
Zoom in button: Press the button to magnify the current
view.
Zoom out button: Press the button to expand the current
view.
Left button: Press the button to go to the left.
Rewind button: Press the button to go to the left faster
than normal.
Right button: Press the button to go to the right.
Fast-forward button: Press the button to go the right
faster than normal.
4 - USER INTERFACE: OVERVIEW
DYNACIAT LG/LGN EN-12

5 - USER INTERFACE: MENU STRUCTURE
5.1 - Main menu
Basic access (no password)
User password required
Legend:
... ...
Conguration menu
See section 5.2
Main menu
General Parameters Temperature Pressure
Pump Status Runtime Air Condenser Status
Inputs OutputsSetpoint
DC Free Cooling Status Miscellaneous Status
Quick Test 1Conguration Menu
Modes
Trendings
Software Options
Home Main MenuPrevious screen System Menu Login Menu Start / Stop Alarms Menu
EN-13 DYNACIAT LG/LGN

The Main menu provides access to the main control parameters,
including general parameters, inputs and outputs status, etc.
To access the menu, press the Main menu button located in the
upper-left part of the Home screen.
Specic unit parameters can be accessed by pressing the icon
corresponding to the desired category.
NOTE: The Trendings menu is displayed in form of a graph.
For more information about Trendings, see section 6.19.
CAUTION: Since specic units may not include additional
features, some tables may contain parameters that cannot
be congured for a given unit.
GENUNIT – General Parameters
No. Name Status Unit Displayed text* Description
1 CTRL_TYP 0 to 2 - Local=0 Net.=1 Remote=2
Operating mode:
0 = Local
1 = Network
2 = Remote
2 STATUS xxx - Running Status Unit running status: 0 = Off, 1 = Running, 2 = Stopping, 3 = Delay,
4 = Trip out, 5 = Ready, 6 = Override, 7 = Defrost, 8 = Run Test, 9 = Test
3 ALM xxx - Alarm State Alarm state: Normal, Partial, Shutdown
4 min_left - min Minutes Left for Start Minutes left before the unit start-up
5 HEATCOOL xxx - Heat/Cool Status Heating/Cooling status: Heat/Cool
6 HC_SEL 0 to 1 - Heat/Cool Select Heating/Cooling selection:
0 = Cooling, 1 = Heating
7 SP_SEL 0 to 3 - Setpoint Select Setpoint selection
8 0=Auto 1=Sp1 2=Sp2 3=Sp3
0 = Auto (schedule control)
1 = Setpoint 1
2 = Setpoint 2
3 = Setpoint 3
9 SP_OCC no/yes - Setpoint Occupied? Setpoint occupancy status
10 CHIL_S_S disable/enable - Net.: Cmd Start/Stop Unit start/stop via Network: When the unit is in Network mode,
start/stop command can be forced
11 CHIL_OCC no/yes - Net.: Cmd Occupied Unit time schedule via Network: When the unit is in Network mode,
the forced value can be used instead of the real occupancy state
12 CAP_T 0 to 100 % Percent Total Capacity Total unit capacity
13 CAPA_T 0 to 100 % Circuit A Total Capacity Total capacity, circuit A
14 CAPB_T 0 to 100 % Circuit B Total Capacity Total capacity, circuit B
15 DEM_LIM 0 to 100 % Active Demand Limit Val
Active demand limit value: When the unit is Network mode, the
minimum value will be used compared to the status of the external
limit switch contact and the demand limit switch setpoint
16 SP - °C/°F Current Setpoint Current setpoint
17 CTRL_PNT -20.0 to 67.0
-4.0 to 153.0
°C
°F Control Point Control point: Water temperature that the unit must produce
18 EMSTOP disable/enable - Emergency Stop Emergency stop: Used to stop the unit regardless of its active
operating type
*Depends on the selected language (French by default).
TEMP – Temperature
No. Name Status Unit Displayed text* Description
1 EWT - °C/°F Entering Water Temp Entering water temperature: Used for capacity control
2LWT - °C/°F Leaving Water Temp Leaving water temperature: Used for capacity control
3 SST_A - °C/°F Saturated Suction Tp A Saturated suction temperature, circuit A
4 SST_B - °C/°F Saturated Suction Tp B Saturated suction temperature, circuit B
5 SUCT_A - °C/°F Gas Suction Temp A Compressor suction temperature, circuit A
6 SUCT_B - °C/°F Gas Suction Temp B Compressor suction temperature, circuit B
7OAT - °C/°F Outside Air Temperature Outdoor air temperature: Used to determine a number of control
mechanisms
8 COND_EWT - °C/°F Cond Entering Water Temp Condenser entering water temperature
9 COND_LWT - °C/°F Cond Leaving Water Temp Condenser leaving water temperature
10 SCT_A - °C/°F Saturated Condens Tp A Saturated condensing temperature, circuit A
11 SCT_B - °C/°F Saturated Condens Tp B Saturated condensing temperature, circuit B
12 DGT_A - °C/°F Discharge Gas Temp cir A Discharge gas temperature, circuit A
13 DGT_B - °C/°F Discharge Gas Temp cir B Discharge gas temperature, circuit B
14 CHWSTEMP - °C/°F Chilled Water Syst Temp Chilled water system temperature (used for master/slave assembly
control when cooling )
15 HTWSTEMP - °C/°F Heat Water Syst Temp Hot water system temperature (used for master/slave assembly
control when heating)
*Depends on the selected language (French by default).
5 - USER INTERFACE: MENU STRUCTURE
DYNACIAT LG/LGN EN-14

PRESSURE – Pressure
No. Name Status Unit Displayed text* Description
1 DP_A - kPa/PSI Discharge Pressure A Compressor discharge pressure, circuit A
2 SP_A - kPa/PSI Suction Pressure A Compressor suction pressure, circuit A
3 DP_B - kPa/PSI Discharge Pressure B Compressor discharge pressure, circuit B
4 SP_B - kPa/PSI Suction Pressure B Compressor suction pressure, circuit B
*Depends on the selected language (French by default).
SETPOINT – Setpoint
No. Name Status Default Unit Displayed text* Description
1 csp1 -28.9 to 25
-20 to 77
12
53.6
°C
°F Cooling Setpoint 1 Cooling setpoint 1 (used during occupied periods)
2 csp2 -28.9 to 25
-20 to 77
12
53.6
°C
°F Cooling Setpoint 2 Cooling setpoint 2 (used during unoccupied periods)
3 ice_sp -28.9 to 25
-20 to 77
12
53.6
°C
°F Cooling Ice Setpoint Cooling ice setpoint
4 hsp1 20 to 65
68 to 149
50
122
°C
°F Heating Setpoint 1 Heating setpoint 1 (used during occupied periods)
5 hsp2 20 to 65
68 to 149
50
122
°C
°F Heating Setpoint 2 Heating setpoint 2 (used during unoccupied periods)
6 hsp3 20 to 65
68 to 149
50
122
°C
°F Heating Setpoint 3 Not applicable (please ignore this parameter)
7 ramp_sp 0.11 to 1.11
0.2 to 2
0.56
1
^C
^F Ramp Loading Setpoint Ramp loading setpoint (rate at which the water temperature may change within one minute)
8 lim_sp1 0 to 100 100 % Switch Limit Setpoint 1 Demand limit setpoint 1
9 lim_sp2 0 to 100 100 % Switch Limit Setpoint 2 Demand limit setpoint 2
10 lim_sp3 0 to 100 100 % Switch Limit Setpoint 3 Demand limit setpoint 3
11 cond_sp 26.7 to 60.0
80.0 to 140.0
40.0
104.0
°C
°F Condensing Setpoint Condensing setpoint (see also section 6.9.3) Default setting for LGN units is 45°C (113°F)
*Depends on the selected language (French by default).
INPUTS – Inputs
No. Name Status Unit Displayed text* Description
1 ONOFF_SW open/close - On/Off - Remote Switch Remote on/off switch
2 HC_SW open/close - Remote heat/Cool Switch Remote heating/cooling selection switch
3 on_ctrl xxx - Current Control Current control: Off, Cool, Heat
4 SETP_SW1 open/close - Remote Setpoint Switch1 Remote Setpoint Switch 1
5 SETP_SW2 open/close - Remote Setpoint Switch2 Remote Setpoint Switch 2
6 LIM_SW1 open/close - Limit Switch 1 Status Demand limit switch 1
7 FLOW_SW open/close - Exchanger Flow Switch Flow switch status
8 DIFF_FLW open/close - Diff Exchanger Flow Sw Not applicable (please ignore this parameter)
9 LOCK_SW open/close - Lock Input Customer interlock status
10 HP_SW_A open/close - High Pressure Switch A High pressure switch A
11 HP_SW_B open/close - High Pressure Switch B High pressure switch B
12 SP_RESET 4 to 20 mA Setpoint Reset Signal Setpoint reset signal
*Depends on the selected language (French by default).
OUTPUTS – Outputs
No. Name Status Unit Displayed text* Description
1 CP_A1 off/on - Compressor A1 Output Compressor A1 command
2 CP_A2 off/on - Compressor A2 Output Compressor A2 command
3 CP_A3 off/on - Compressor A3 Output Compressor A3 command
4 EXVPosA 0 to 100 % EXV Position Circuit A EXV position, circuit A
5 LLS_A off/on - Liquid Line Solenoid A Liquid line solenoid valve status, circuit A
6 CP_B1 off/on - Compressor B1 Output Compressor B1 command
7 CP_B2 off/on - Compressor B2 Output Compressor B2 command
8 EXVPosB 0 to 100 % EXV Position Circuit B EXV position, circuit B
5 - USER INTERFACE: MENU STRUCTURE
EN-15 DYNACIAT LG/LGN

OUTPUTS – Outputs (continued)
No. Name Status Unit Displayed text* Description
9 LLS_B off/on - Liquid Line Solenoid B Liquid line solenoid valve status, circuit B
10 Water3wv 0 to 100 % Three Way Water Valve Three-way water valve status
11 boiler off/on - Boiler Output Boiler command
12 EHS 0 to 4 - Electrical Heat Stages Electric heating command (number of electric heating stages
depends on factory conguration)
13 alert off/on - Alert status Alert relay status
14 alarm off/on - Alarm Relay Output Alarm relay status
15 RUNNING off/on - Running Status Running relay status
*Depends on the selected language (French by default).
PUMPSTAT – Pump Status
No. Name Status Unit Displayed text* Description
1 COOLER PUMP Evaporator pump
2 CL_PUMP1 off/on - Cooler Pump 1 Command Evaporator pump 1 control
3 CL_PUMP2 off/on - Cooler Pump 2 Command Evaporator pump 2 control
4 CL_WPIN - kPa/PSI Cool Inlet Water Press Evaporator inlet water pressure
5 CL_WPOUT - kPa/PSI Cool Outlet Water Press Evaporator outlet water pressure
6 CL_WPCAL no/yes - Cool Water Press. Calib? Evaporator water pressure calibration
7 CL_OFFST - kPa/PSI Cool Water Press. Offset Evaporator water pressure offset
8 CL_FILTR - kPa/PSI Cool delta press. lt Evaporator delta pressure lter
9 CL_WPMIN - kPa/PSI Cool mini water pressure Evaporator mini water pressure
10 CL_WFLOW - l/s / GPS Cool Water ow Evaporator water ow
11 CL_WdtSp - kW Cool Water DT Setpoint Evaporator water delta temp. setpoint
12 CL_WdpSp - ^C / ^F Cool Water DP Setpoint Evaporator water delta pressure setpoint
13 CL_DvPos 0 to 100 % Cool Pump drive position Evaporator pump drive position
14 CL_DrvPw - kW Cool Pump drive Power Evaporator pump drive power
15 CL_DrvI - A Cool Pump drive Amps Evaporator pump drive current
16 CL_DrvVs Cool Pump drive version Evaporator pump drive version
17 CL_DvTyp - Cool Pump drive type Evaporator pump drive type
18 CONDENSER PUMP Condenser pump
19 CD_PUMP1 off/on Cond Pump 1 Command Condenser pump 1 command
20 CD_PUMP2 off/on Cond Pump 2 Command Condenser pump 2 command
21 CD_WPIN - kPa/PSI Cond Inlet Water Press Condenser inlet water press
22 CD_WPOUT - kPa/PSI Cond Outlet Water Press Condenser outlet water press
23 CD_WPCAL no/yes - Cond Water Press. Calib? Condenser water pressure calibration
24 CD_OFFST - kPa/PSI Cond Water Press. Offset Condenser water pressure offset
25 CD_FILTR - kPa/PSI Cond delta press. lt Condenser delta pressure lter
26 CD_WPMIN - kPa/PSI Cond mini water pressure Condenser mini water pressure
27 CD_WFLOW - l/s / GPS Cond Water ow Condenser water ow
28 CD_WdtSp - kW Cond Water DT Setpoint Condenser water delta temp. setpoint
29 CD_WdpSp - ^C / ^F Cond Water DP Setpoint Condenser water delta pressure setpoint
30 CD_DvPos 0 to 100 % Cond Pump drive position Condenser pump drive position
31 CD_DrvPw - kW Cond Pump drive Power Condenser pump drive power
32 CD_DrvI - A Cond Pump drive Amps Condenser pump drive current
33 CD_DrvVs - Cond Pump drive version Condenser pump drive version
34 CD_DvTyp - Cond Pump drive type Condenser pump drive type
*Depends on the selected language (French by default).
5 - USER INTERFACE: MENU STRUCTURE
DYNACIAT LG/LGN EN-16

RUNTIME – Runtime
No. Name Status Unit Displayed text* Description
1 hr_mach - hour Machine Operating Hours Unit operating hours
2 chr_mach - hour Cooling Operating Hours Operating hours in Cooling mode
3 hhr_mach - hour Heating Operating Hours Operating hours in Heating mode
4 st_mach - - Machine Starts Number of unit starts
5 hr_cp_a1 - hour Compressor A1 Hours Operating hours, compressor A1
6 st_cp_a1 - - Compressor A1 Starts Number of starts, compressor A1
7 hr_cp_a2 - hour Compressor A2 Hours Operating hours, compressor A2
8 st_cp_a2 - - Compressor A2 Starts Number of starts, compressor A2
9 hr_cp_a3 - hour Compressor A3 Hours Operating hours, compressor A3
10 st_cp_a3 - - Compressor A3 Starts Number of starts, compressor A3
11 hr_cp_b1 - hour Compressor B1 Hours Operating hours, compressor B1
12 st_cp_b1 - - Compressor B1 Starts Number of starts, compressor B1
13 hr_cp_b2 - hour Compressor B2 Hours Operating hours, compressor B2
14 st_cp_b2 - - Compressor B2 Starts Number of starts, compressor B2
15 hr_clpm1 - hour Cooler Pump 1 Hours Operating hours, evaporator pump 1
16 hr_clpm2 - hour Cooler Pump 2 Hours Operating hours, evaporator pump 2
17 hr_cdpm1 - hour Condenser Pump 1 Hours Operating hours, condenser pump 1
18 hr_cdpm2 - hour Condenser Pump 2 Hours Operating hours, condenser pump 2
19 hr_ehs - hour Electric Stages Hours Operating hours, electric heating
20 hr_hdpmp - hour HDC Pump Hours Not applicable (please ignore this parameter)
*Depends on the selected language (French by default).
AIR_COND – Air Condenser Status
No. Name Status Unit Displayed text* Description
1 oat - °C/°F Outdoor Air Temperature Outdoor air temperature
2 Dry Cooler Status Status of the Dry Cooler connected on the condenser side
3 DC_LWT - °C/°F Leaving Water Temp Leaving water temperature
4 DC_FanSt - - Runing Fan Stages Running fan stages
5 DC_FanSp - % Variable Speed Variable speed
6 Air Condensing Status of the air condenser connected to the refrigerant circuits
(Dynaciat LGN)
7 FanSt_A - - Circuit A Fan Stages Circuit A Fan Stages
8 FanSp_A - % Variable Speed Fan A Variable Speed Fan, circuit A
9 FanSt_B - - Circuit B Fan Stages Circuit B Fan Stages
10 FanSp_B - % Variable Speed Fan B Variable Speed Fan, circuit B
11 Runtime Runtime
12 COND_F1S 0 to 99999999 - Condensing Fan 1 Start Condensing fan 1: Number of starts
13 COND_F1H 0 to 99999999 hour Condensing Fan 1 Hours Condensing fan 1: Operating hours
14 COND_F2S 0 to 99999999 - Condensing Fan 2 Start Condensing fan 2: Number of starts
15 COND_F2H 0 to 99999999 hour Condensing Fan 2 Hours Condensing fan 2: Operating hours
16 COND_F3S 0 to 99999999 - Condensing Fan 3 Start Condensing fan 3: Number of starts
17 COND_F3H 0 to 99999999 hour Condensing Fan 3 Hours Condensing fan 3: Operating hours
18 COND_F4S 0 to 99999999 - Condensing Fan 4 Start Condensing fan 4: Number of starts
19 COND_F4H 0 to 99999999 hour Condensing Fan 4 Hours Condensing fan 4: Operating hours
20 COND_F5S 0 to 99999999 - Condensing Fan 5 Start Condensing fan 5: Number of starts
21 COND_F5H 0 to 99999999 hour Condensing Fan 5 Hours Condensing fan 5: Operating hours
22 COND_F6S 0 to 99999999 - Condensing Fan 6 Start Condensing fan 6: Number of starts
23 COND_F6H 0 to 99999999 hour Condensing Fan 6 Hours Condensing fan 6: Operating hours
24 COND_F7S 0 to 99999999 - Condensing Fan 7 Start Condensing fan 7: Number of starts
25 COND_F7H 0 to 99999999 hour Condensing Fan 7 Hours Condensing fan 7: Operating hours
26 COND_F8S 0 to 99999999 - Condensing Fan 8 Start Condensing fan 8: Number of starts
27 COND_F8H 0 to 99999999 hour Condensing Fan 8 Hours Condensing fan 8: Operating hours
28 CirA_VFS 0 to 99999999 - Cond VariFan CirA Start Condensing variable speed fan (circuit A): Number of starts
29 CirA_VFH 0 to 99999999 hour Cond VariFan CirA Hour Condensing variable speed fan (circuit A): Operating hours
30 CirB_VFS 0 to 99999999 - Cond VariFan CirB Start Condensing variable speed fan (circuit B): Number of starts
31 CirB_VFH 0 to 99999999 hour Cond VariFan CirB Hour Condensing variable speed fan (circuit B): Operating hours
*Depends on the selected language (French by default).
5 - USER INTERFACE: MENU STRUCTURE
EN-17 DYNACIAT LG/LGN

DCFC_STA – DC Free Cooling Status
No. Name Status Unit Displayed text* Description
1 oat - °C/°F OAT Free Cooling DCFC / Dry cooler: OAT
2 lwt - °C/°F FC Leaving Water Temp DCFC / Dry Cooler: Leaving water temperature
3 wloop - °C/°F FC Water Loop Temp DCFC / Dry Cooler: Water loop temperature
4 m_dcfc no/yes - Free Cooling Mode Active DC Free Cooling (DCFC) mode active
5 dcfc_cap 0 to 100 % FC Capacity DCFC capacity
6 f_stage 0 to 10 - Fix Speed Fans Stage DCFC fan stage (x speed fans)
7 vf_speed 0 to 100 % Varifan Speed DCFC: Fan speed
8 pid_out 0 to 100 % PID Output Status of PID output
9 FC_HOUR 0 to 999999 hour DCFC Operating Hours Dry Cooler Free Cooling: Operating hours
10 FC_FAN1S 0 to 999999 - DCFC Fan Stage 1 Start DCFC / Fan stage 1: Number of starts
11 FC_FAN1H 0 to 999999 hour DCFC Fan Stage 1 Hours DCFC / Fan stage 1: Operating hours
12 FC_FAN2S 0 to 999999 - DCFC Fan Stage 2 Start DCFC / Fan stage 2: Number of starts
13 FC_FAN2H 0 to 999999 hour DCFC Fan Stage 2 Hours DCFC / Fan stage 2: Operating hours
14 FC_FAN3S 0 to 999999 - DCFC Fan Stage 3 Start DCFC / Fan stage 3: Number of starts
15 FC_FAN3H 0 to 999999 hour DCFC Fan Stage 3 Hours DCFC / Fan stage 3: Operating hours
16 FC_FAN4S 0 to 999999 - DCFC Fan Stage 4 Start DCFC / Fan stage 4: Number of starts
17 FC_FAN4H 0 to 999999 hour DCFC Fan Stage 4 Hours DCFC / Fan stage 4: Operating hours
18 FC_FAN5S 0 to 999999 - DCFC Fan Stage 5 Start DCFC / Fan stage 5: Number of starts
19 FC_FAN5H 0 to 999999 hour DCFC Fan Stage 5 Hours DCFC / Fan stage 5: Operating hours
20 FC_FAN6S 0 to 999999 - DCFC Fan Stage 6 Start DCFC / Fan stage 6: Number of starts
21 FC_FAN6H 0 to 999999 hour DCFC Fan Stage 6 Hours DCFC / Fan stage 6: Operating hours
22 FC_FAN7S 0 to 999999 - DCFC Fan Stage 7 Start DCFC / Fan stage 7: Number of starts
23 FC_FAN7H 0 to 999999 hour DCFC Fan Stage 7 Hours DCFC / Fan stage 7: Operating hours
24 FC_VFANS 0 to 999999 - DCFC Variable Fan Start DCFC / Variable speed fan: Number of starts
25 FC_VFANH 0 to 999999 hour DCFC Variable Fan Hours DCFC / Variable speed fan: Operating hours
*Depends on the selected language (French by default).
MSC_STAT – Miscellaneous Status
No. Name Status Unit Displayed text* Description
1 m_ecopmp no/yes - Eco Pump Mode Active Eco pump mode status
2 Heating Device
3 hdc_oat - °C/°F Outdoor Air Temperature Not applicable (please ignore this parameter)
*Depends on the selected language (French by default).
MODES – Modes
No. Name Status Unit Displayed text* Description
1 m_delay no/yes - Delay Active Start-up delay in effect
2 m_2ndspt no/yes - Second Setpoint Active Second setpoint in use: The setpoint used during unoccupied periods
3 m_reset no/yes - Reset Active Setpoint reset active
4 m_limit no/yes - Demand Limit Active Demand limit active
5 m_ramp no/yes - Ramp Loading Active Ramp loading active
6 m_cooler no/yes - Cooler Heater Active Pump enabled for freeze protection
7 m_clpmpp no/yes - Cooler Pump Per. Active Evaporator pump active periodically
8 m_cdpmpp no/yes - Cond. Pump Per. Active Condenser pump active periodically
9 m_night no/yes - Night Low Noise Active Night low noise active
10 m_SM no/yes - System Manager Active System Manager active
11 m_leadla no/yes - Master Slave Active Master/slave mode active
12 m_heater no/yes - Electric Heat Active Electric heating active
13 m_lo_ewt no/yes - Heating Low EWT lockout Heating low EWT lockout
14 m_boiler no/yes - Boiler Active Boiler active status
15 m_ice no/yes - Ice Mode Active Ice mode active (cooling ice setpoint is used)
16 m_sst_a no/yes - Low Suction Circuit A Low suction, circuit A
17 m_sst_b no/yes - Low Suction Circuit B Low suction, circuit B
18 m_dgt_a no/yes - High DGT Circuit A High DGT, circuit A
19 m_dgt_b no/yes - High DGT Circuit B High DGT, circuit B
5 - USER INTERFACE: MENU STRUCTURE
DYNACIAT LG/LGN EN-18

MODES – Modes (continued)
No. Name Status Unit Displayed text* Description
20 m_hp_a no/yes - High Pres Override cir A High pressure override, circuit A
21 m_hp_b no/yes - High Pres Override cir B High pressure override, circuit B
22 m_sh_a no/yes - Low SuperHeat circuit A Low superheat, circuit A
23 m_sh_b no/yes - Low SuperHeat circuit B Low superheat, circuit B
24 m_dhw no/yes - Domestic Hot Water Mode Not applicable (please ignore this parameter)
25 m_summer no/yes - Summer Mode Active Not applicable (please ignore this parameter)
*Depends on the selected language (French by default).
Trendings
No. Name Status Unit Displayed text* Description
1 GENUNIT_CAPA_T - % - Total capacity, circuit A
2 GENUNIT_CAPB_T - % - Total capacity, circuit B
3 GENUNIT_CTRL_PN - °C/°F - Control point
4 TEMP_EWT - °C/°F - Entering water temperature: Used for capacity control
5 TEMP_LWT - °C/°F - Leaving water temperature: Used for capacity control
6 TEMP_COND_EWT - °C/°F - Condenser entering water temperature
7 TEMP_COND_LWT - °C/°F - Condenser leaving water temperature
8 TEMP_SCT_A - °C/°F - Saturated condensing temperature, circuit A
9 TEMP_SCT_B - °C/°F - Saturated condensing temperature, circuit B
10 TEMP_SST_A - °C/°F - Saturated suction temperature, circuit A
11 TEMP_SST_B - °C/°F - Saturated suction temperature, circuit B
*Depends on the selected language (French by default).
OPT_STA – Software Options
No. Name Status Unit Displayed text* Description
1 opt5 no/yes - OPT5: Medium Brine Parameter set to “yes” means that Medium brine option which
requires the Software Key is activated (see section 6.13)
2 opt6 no/yes - OPT6: Low Brine Parameter set to “yes” means that Low brine option which requires
the Software Key is activated (see section 6.13)
3 opt149 no/yes - OPT149: BACnet Parameter set to “yes” means that BACnet option which requires
the Software Key is activated (see also section 6.14)
4 opt149B no/yes - OPT149B: Modbus Modbus option does not require the Software Activation Key
(see also section 6.15)
*Depends on the selected language (French by default).
QCK_TST1 – Quick Test 1
No. Name Status Default Unit Displayed text* Description
1 QCK_TEST no/yes no - Quick Test Enable
This parameter is used to enable the Quick Test functionality
(Quick test Enable = yes)
With Quick Test enabled: Forcing a specic parameter given in this
table allows the user to verify if the component behaves correctly
2 FAN_A 0 to 8 0 - Condenser Fan Stages A
Condenser fan stages, circuit A
0 = all fans are Off
1 to 8 = Used to turn on fan stage relays
3 FAN_B 0 to 8 0 - Condenser Fan Stages B
Condenser fan stages, circuit B
0 = all fans are Off
1 to 8 = Used to turn on fan stage relays
4 FANSP_A 0 to 100 0 % Variable Speed Fan A Used to test a variable-speed fan, circuit A (dry cooler)
5 FANSP_B 0 to 100 0 % Variable Speed Fan B Used to test a variable-speed fan, circuit B (dry cooler)
6 EXV_A 0 to 100 0 % EXV Position Circuit A EXV position, circuit A
100% = EXV fully open
7 EXV_B 0 to 100 0 % EXV Position Circuit B EXV position, circuit B
100% = EXV fully open
8 Q_CLPMP1 0 to 2 0 - Cooler Pump 1 Test
Cooler pump 1 test:
1 = Pump shall run for a short period of time
2 = Pump shall run all the time
(set the value to “0” to stop the pump test)
5 - USER INTERFACE: MENU STRUCTURE
EN-19 DYNACIAT LG/LGN

QCK_TST1 – Quick Test 1 (continued)
No. Name Status Default Unit Displayed text* Description
9 Q_CLPMP2 0 to 2 0 - Cooler Pump 2 Test
Cooler pump 2 test:
1 = Pump shall run for a short period of time
2 = Pump shall run all the time
(set the value to “0” to stop the pump test)
10 Q_CDPMP1 0 to 2 0 - Condenser Pump 1 Test
Condenser pump 1 test:
1 = Pump shall run for a short period of time
2 = Pump shall run all the time
(set the value to “0” to stop the pump test)
11 Q_CDPMP2 0 to 2 0 - Condenser Pump 2 Test
Condenser pump 2 test:
1 = Pump shall run for a short period of time
2 = Pump shall run all the time
(set the value to “0” to stop the pump test)
12 Q_CLVPMP 0 to 100 0 % Cooler Var Pump Test Variable speed pump command (cooler pump)
13 Q_CDVPMP 0 to 100 0 % Condenser Var Pump Test Variable speed pump command (condenser pump)
14 Q_3WV 0 to 100 0 - Three Way Valve Test Used to test 3-way valve opening command
15 LLS_A off/on off - Liquid Line Solenoid A Test applicable to Dynaciat LGN units:
LLS valve opening command, circuit A
16 LLS_B off/on off - Liquid Line Solenoid B Test applicable to Dynaciat LGN units:
LLS valve opening command, circuit B
17 Q_DRYFAN 0 to 8 0 - Dry Fan Test
Dry cooler fan test:
0 = all fans are Off
1 to 8 = Used to turn on fan stage relays of the dry cooler
18 Q_DRYVFN 0 to 100 0 % Dry Varifan Test Used to test dry cooler fan speed
19 Q_BOILER off/on off -Boiler Output Test Boiler command (boiler is “On” for a few seconds)
20 Q_EHS 0 to 4 0 - Electrical Heat Stages Electric heating command (number of electric heating stages
depends on factory conguration)
21 Q_HDCPMP off/on off -HDC Additional Pump Not applicable (please ignore this parameter)
22 Q_DHWVLV off/on off - DHW 3-way Valve Not applicable (please ignore this parameter)
23 Q_ALARM off/on off - Alarm Status Alarm relay status
24 Q_RUN off/on off - Running Status Unit running status
25 Q_FC_WV off/on off - FC Water Valve Ouputs Dry Cooler Free Cooling water valve output
26 Q_FCVFSP 0 to 100 0 % FC Variable Fan Speed Dry Cooler Free Cooling variable speed fan command
27 Q_FC_FST 0 to 10 0 - FC Fan Stage Dry Cooler Free Cooling fan stages
*Depends on the selected language (French by default).
IMPORTANT: To enable the Quick Test functionality, the unit
must be stopped (Local o mode).
5 - USER INTERFACE: MENU STRUCTURE
DYNACIAT LG/LGN EN-20