Carrier Touch Pilot Junior User manual

CONTROLS MANUAL
Touch Pilot Junior
30RBS(39-160)
30RQS(39-160)
Original document

2
CONTENTS
1 - SAFETY CONSIDERATIONS ............................................................................................................................................... 5
1.1 - Safety guidelines...................................................................................................................................................................... .5
1.2 - Safety precautions ................................................................................................................................................................... .5
2 - CONTROL OVERVIEW.......................................................................................................................................................... 5
2.1 - Control system......................................................................................................................................................................... .5
2.2 - System functionalities ............................................................................................................................................................. .5
2.3 - Operating modes ..................................................................................................................................................................... .5
3 - CONTROL COMPONENTS ................................................................................................................................................... 6
3.1 - Touch Pilot Junior control ...................................................................................................................................................... .6
3.2 - Chiller ....................................................................................................................................................................................... .6
3.3 - Features overview ................................................................................................................................................................... .6
4 - HARDWARE ............................................................................................................................................................................. 7
4.1 - Control boards......................................................................................................................................................................... .7
4.2 - Electrical box ........................................................................................................................................................................... .7
4.3 - Power supply to boards........................................................................................................................................................... .7
4.4 - Light emitting diodes .............................................................................................................................................................. .7
4.5 - Pressure transducers ............................................................................................................................................................... .7
4.6 - Temperature sensors ............................................................................................................................................................... .7
4.7 - Actuators .................................................................................................................................................................................. .8
4.8 - Terminal block connections.................................................................................................................................................... .8
5 - HOW TO USE TOUCH PILOT JUNIOR USER INTERFACE ....................................................................................... 9
5.1 - Touch Pilot Junior overview................................................................................................................................................... .9
5.2 - Touch Pilot Junior menu structure ...................................................................................................................................... .10
5.3 - Read the welcome screen..................................................................................................................................................... .11
5.4 - Explore the synoptic screen ................................................................................................................................................. .11
5.5 - Start the unit .......................................................................................................................................................................... .11
5.6 - Stop the unit........................................................................................................................................................................... .11
5.7 - Set the schedule..................................................................................................................................................................... .12
5.8 - Manage display settings........................................................................................................................................................ .12
5.9 - Monitor unit parameters ...................................................................................................................................................... .13
5.10 - Modify unit parameters ...................................................................................................................................................... .14
5.11 - Override system conguration........................................................................................................................................... .14
6 - WEB CONNECTION.............................................................................................................................................................. 15
6.1 - Web interface ......................................................................................................................................................................... .15
6.2 - Open the web interface ........................................................................................................................................................ .15
6.3 - Manage web browser settings.............................................................................................................................................. .15
7 - SETTING UP TOUCH PILOT JUNIOR - PARAMETERS ........................................................................................... 16
7.1 - Main menu ............................................................................................................................................................................. .16
7.2 - Conguration menu (CONFIG) ......................................................................................................................................... .20
7.3 - Alarm menu .......................................................................................................................................................................... .23
8 - STANDARD CONTROL OPERATIONS AND OPTIONS............................................................................................ 24
8.1 - Unit start/stop control .......................................................................................................................................................... .24
8.2 - Heating/Cooling/Standby..................................................................................................................................................... .25
8.3 - Cooling/heating selection ..................................................................................................................................................... .26
8.4 - Supplementary heating......................................................................................................................................................... .26
8.5 - Pump control.......................................................................................................................................................................... .26
8.6 - Hydronic kit option............................................................................................................................................................... .27
8.7 - Control point.......................................................................................................................................................................... .28
8.8 - Capacity limitation................................................................................................................................................................ .29
8.9 - Capacity control .................................................................................................................................................................... .29
8.10 - Free cooling option ............................................................................................................................................................. .30
8.11 - Night mode........................................................................................................................................................................... .30
8.12 - Coil pressure control........................................................................................................................................................... .31
8.13 - Holidays................................................................................................................................................................................ .31
8.14 - BACnet option..................................................................................................................................................................... .31
8.15 - Desuperheater option......................................................................................................................................................... .31
8.16 - Defrost cycle for heat pumps............................................................................................................................................. .31
8.17 - Master/Slave assembly........................................................................................................................................................ .31

The cover photos 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.
9 - DIAGNOSTICS........................................................................................................................................................................ 32
9.1 - Control diagnostics................................................................................................................................................................ .32
9.2 - Alarms description ................................................................................................................................................................ .33
10 - MAINTENANCE................................................................................................................................................................... 35

4
PREFACE
The goal of this document is to give a broad overview of
the main functions of the control system used to control
30RBS air-cooled liquid chillers and 30RQS reversible
heat pumps with 39 to 160 kW cooling/heating capacity.
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 Carrier Service Engineer is
strongly recommended to ensure optimal operation of the
equipment as well as the optimization of all available
functionalities.
CAUTION
Heating option! Heating option applies to cooling-only
units tted with a boiler and heat pumps.
Note that this document may refer to optional components
and certain functions, options or accessories may not be
available for the specic unit. The cover images are solely
for illustration and form no part of any offer for sale or any
sale contract.
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 Carrier
manufactured equipment and it is not to be reproduced,
modied or used for any other purpose without the prior
consent of Carrier Corporation.
Acronyms/abbreviations
In this manual, the refrigeration circuits are called circuit A
and circuit B. Compressors in circuit A are labelled A1, A2,
A3, whereas compressors in circuit B are labelled B1, B2.
BMS Building Management System
CCN Carrier Comfort Network
DGT Discharge Gas Temperature
EXV Electronic Expansion Valve
EHS Electric Heater Stage
FC Free cooling
OAT Outdoor Air Temperature
LED Light Emitting Diode
LEN Sensor Bus (internal communication bus linking the basic
board to slave boards)
SCT Saturated Condensing Temperature
SST Saturated Suction Temperature
Network mode/Net Operating type: Network
 Operating type: Local O
Local-On/L-C Operating type: Local On mode
Local-Schedule/L-SC Operating type: Local On following a time schedule
Master mode/Mast Operating type: Master unit (master/slave assembly)
Remote mode/Rem Operating type: Remote contacts

5

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, electrical
components, voltages, and the installation site (elevated
plinths and built-up structures).
Only qualied installation engineers and fully trained
technicians are authorised to install and start the equipment.
All instructions and recommendations provided in the
service guide, installation and operation manuals, as well as
on tags and labels xed to the equipment, components and
other 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 safety standards and practices.
• Wear safety glasses and gloves.
• Use the proper tools to move heavy objects.
• Move units carefully and set them down gently.
CAUTION
Only qualied service technicians should be allowed to
install and service the equipment.
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 should be shut off before any work is
begun. Shut off the main power supply at the main circuit
breaker or isolator.
IMPORTANT: The equipment uses and emits
electromagnetic signals. Tests have shown that the
equipment conforms to all applicable codes with respect to
electromagnetic compatibility.
CAUTION
Risk of electrocution! Even when the main circuit breaker
or isolator is switched off, specic circuits may still be
energised as they may be connected to a separate power
source.
CAUTION
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.

2.1 - Control system
Carrier 30RBS chillers and 30RQS heat pumps come with
a Touch Pilot Junior control that serves as the user
interface and conguration tool for Carrier communicating
devices.
Touch Pilot Junior is an electronic control system used to
regulate the following types of units:
• 30RBS air-cooled liquid chillers
• 30RQS reversible heat pumps
Touch Pilot Junior control can function as a stand-alone
system or it may be connected to the building management
system using CCN communication bus.
30RBS and 30RQS units may be tted with standard xed
speed fan control system or the optional variable speed
fan drives which can reduce the unit energy use during
occupied and unoccupied periods, provide condensing or
evaporating pressure control and smooth fan start.
For both 30RBS chillers and 30RQS heat pumps the
system may control xed speed pumps or variable speed
pumps with a hydronic module.
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.
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 (CCN or BACnet). Data communication
cable is used to connect the unit to the CCN
communication bus.
When the control operates autonomously (Local or
Remote), it retains all of its control capabilities but does
not offer any of the features of the Network.
CAUTION
Emergency stop! The Network emergency stop command
stops the unit regardless of its active operating type.

6
3.2 - Chiller
The control manages a number of mechanisms that allow
the unit to operate effectively. Touch Pilot Junior controls
compressors, xed or variable speed fans, xed or variable
speed pumps for evaporator/condenser, and more.
Legend:
1 Low sound fan system
2 Touch Pilot Junior control system
3 Condenser
4 Hydronic module with variable speed pump control (option)
5 Evaporator
6 Electronic Expansion Valve
7 Scroll compressor(s)
③
④
①
⑤⑥⑦
②
3.3 - Features overview
Feature Chillers (30RBS) Heat pumps (30RQS)
4.3'' touch screen (Touch Pilot Junior) X X
Web connectivity X X
E-mail transmission X X
Carrier Connect Services X X
Language packs X X
Language pack customization X X
Metric / Imperial unit display X X
BMS connection X X
CCN communication X X
Scroll compressor technology X X
Water exchanger heater X X
Defrost mechanism X
Diagnostics X X
Variable speed fans O O
High static fan O O
Fixed or variable speed pumps O O
Cooling control X X
Heating control O X
Boiler heating control O O
Electric heating control O
Free Cooling control O O
Desuperheater O O
* “X” indicates a standard feature, whereas “O” indicates an option.
Figure 1: 30RBS unit with Touch Pilot Junior control (picture for reference only)
• Supports Carrier Advanced Plant System Manager
for multiple chillers/heat pumps conguration.
• Provides direct BMS integration capabilities (RS485
/ Ethernet).
3.1 - Touch Pilot Junior control
Touch Pilot Junior control system:
• Allows users to control the unit via the Touch Pilot
Junior user interface.
• Provides web connectivity technology.
• Supports Carrier Connect Services (Remote
connectivity, alarm notication, remote access,
performance and operation automatic reporting,
technical advice).


7
4.1 - Control boards
All boards making up the Touch Pilot Junior control
system are installed inside the electrical cabinet. They
communicate via an internal LEN bus.
The system may embrace up to two SIOB boards, where the
rst board is used to manage all major inputs and outputs of
the controller, whereas the second SIOB board is used to
support either the compressor of circuit A or circuit B.
The rst SIOB board is also referred to as the main board
– the main board continuously monitors the information
received from various pressure and temperature probes
and accordingly starts the program that controls the unit.
At the same time, up to two (2) AUX1 boards can be
installed. The rst AUX1 board may provide additional
inputs and outputs used to monitor chiller water system
cooling temperature (Master/Slave assembly), leakage
charge detection readings, electric heating or boiler
operation. This board is used only for smaller units (units
with only one fan) that have any of the aforementioned
options available (electric heaters, boiler, etc.).
The second AUX1 board is optional and it is used for units
with the dry cooler option. It provides information
required to control the free cooling cycle.
4.2 - Electrical box
The electrical box includes all boards controlling the unit
and the user interface (Touch Pilot Junior).
4.3 - 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.
4.4 - 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 different 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.

4.5 - Pressure transducers
Three types of transducers (high pressure, low pressure,
water pressure) are used to measure various pressures in
each circuit. These transducers deliver 0 to 5 VDC. They
are connected to the SIOB board.
Discharge pressure transducers (high pressure type)
These transducers measure the discharge pressure in each
circuit. They are used to control condensing pressure or
high pressure load shedding. Discharge pressure sensors
are mounted on the discharge line piping of each circuit.
Suction pressure transducers (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 common
suction piping of each circuit.
Pump inlet/outlet water pressure transducers
(water pressure type, hydronic kit option)
These transducers measure the hydronic kit pump water
inlet/outlet water pressure and monitor the water ow.
Pump inlet/outlet water pressure sensors are mounted on
the optional hydronic kit.
4.6 - 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
temperature sensors
The water heat exchanger entering and leaving water
temperature sensors are used for capacity control and
safety purposes.
Outdoor air temperature sensor
This sensor measuring the outdoor air temperature is used
for start-up, setpoint temperature reset and frost control.
Suction gas temperature sensors
These sensors measure the suction gas temperature.They
are used for the EXV control. Suction gas temperature
sensors are located at the suction side of each circuit.
Master/slave water sensor (optional)
This sensor measures the common water temperature in
the master/slave system capacity control. It is installed only
in the case of master/slave units.
Defrost temperature sensors (heat pumps)
These sensors are used to determine the end of the defrost
cycle for a given circuit.

8
4.7 - 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 off the unit.
Water heat exchanger pumps (optional)
The controller can regulate one or two xed speed or
variable speed water heat exchanger pumps and takes care
of the automatic changeover between these pumps (see
also section 8.5).
Four-way valve (heat pumps only)
The control actuates the four-way valve for cooling /
heating mode and defrosts sessions.
4.8 - 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.
4.8.1 - Volt-free contact (on/off and cooling/heating)
For chillers with a boiler or heat pumps, on/off contacts
and cooling/heating contacts are as follows:
 Cooling Heating Auto

[ON_OFF_SW]
open closed closed open
Cooling/heating contact
[HC_SW]
open open closed closed
 Unit is stopped
 Unit is allowed to start in Cooling
 Unit is allowed to start in Heating (chiller with boiler control or heat
pump)
 Unit can run in Cooling or Heating in accordance with the changeover
values. If the auto changeover is enabled (Heat/Cool Select
[HC_SEL], GENUNIT), the operating mode is selected based on OAT.
4.8.2 - Volt-free setpoint selection contact
This dry contact input is used to switch between setpoints.
It is active only when the control is in Remote mode.
Cooling Heating
Stp 1 Stp 2 Stp 1 Stp 2
Setpoint selection contact
[SP_SW]
open closed open closed
4.8.3 - Volt-free demand limit selection contact
Three steps demand limit based on two dry contacts can be
used to limit unit capacity.
100% Limit 1 Limit 2 Limit 3
Demand limit switch 1
[LIM_SW1]
open closed open closed
Demand limit switch 2
[LIM_SW2]
open open closed closed
Description Board Connector / Input / Output Terminal Remarks
On/O Switch SIOB #1 J1 / DI-01 32-33 Used for the unit on/o control (Remote mode)
Second Setpoint Switch SIOB #1 J1 / DI-02 65-66 Used to switch between setpoints See section 4.8.2
Limit Switch #1 SIOB #1 J1 / DI-03 73-74 Used to control demand limit. See section 4.8.3
Limit Switch #2 SIOB #1 J1 / DI-04 75-76 Used to control demand limit. See section 4.8.3
Heat/Cool Select SIOB #1 J3 / DI-06 63-64 Used to switch between cooling and heating when the unit is in
Remote mode (Heat pumps only)
Desuperheater Switch SIOB #1 J3 / DI-07 49-49A Heat recovery is allowed
power_input_stable SIOB #1 J3 / DI-08 -
Water Pump #1 SIOB #1 J6 / IN03-DO-03 - The control can regulate one or two evaporator pumps and
automatically change over between the two pumps
Water Pump #2 SIOB #1 J6 / IN04-DO-04 - The control can regulate one or two evaporator pumps and
automatically change over between the two pumps
Running Relay SIOB #1 J23 / DO-05 37-38 Indicates if the unit is ready to start or operating
Alarm Relay SIOB #1 J22 / DO-06 30-31 Indicates alarms
Limit Analog Signal SIOB #1 J9 / AI-10 43-44 Used for Setpoint Reset
Electrical Heat Stage #1 SIOB #2 J6 / DO-03 - Used to manage electric heating stage (1)
Electrical Heat Stage #2 SIOB #2 J6 / DO-04 - Used to manage electric heating stage (2)
Electrical Heat Stage #3 SIOB #2 J23 / DO-05 - Used to manage electric heating stage (3)
Boiler or Electrical Heat Stage #4 SIOB #2 J22 / DO-06 - Used to manage boiler heating or electric heating stage (4)

9
JUNIOR USER INTERFACE
Connections
Connections are located on the back side of the controller.
U SB ET H ERN ET CCN LEN POW ER SUPPLY
( 2 4 VAC)
Home
button
Main
m
butto
n
m
enu
n
Log in / Lo
U
n
g out
n
it status
Cu
r
dis
p
Cu
r
not
Ala
r
rent menu
p
la
y
r
rent
ifications
rm display
Main
m
butto
n
m
enu
n
Figure 2: Touch Pilot Junior user interface display
Features of Touch Pilot Junior user interface
• 4.3"colour touch screen with quick display of alarms,
current unit operating status, etc.
• Resistive touch screen technology
• Web connectivity
• Custom language support
5.1 - Touch Pilot Junior overview
Touch Pilot Junior provides access to the following
screens:
• Welcome screen
• Synoptic screen
• Operating mode selection screen
• Data/conguration screens
• Password entry and language selection screen
• Alarms screen
• Parameter modication screen
• Time schedule screen

If the Touch Pilot user interface is not used for a long
period, the Welcome screen is displayed, and then it goes
blank. The control is always active and the operating
mode remains unchanged. Press anywhere on the screen
and the Welcome screen will be displayed.

10
5.2 - Touch Pilot Junior menu structure

11
The bell located in the upper-right part of the screen lights
when any fault is detected.
By default, the parameters are presented in metric units.
For more information on how to change the system of
measurement, see section 5.8.3.
5.5 - Start the unit
With the unit in the Local off mode, press the Start/Stop
button to display the list of operating modes and
select the required mode.
Local On Local On: The unit is in the local control mode and allowed to
start.
Local
Schedule
Local Schedule: The unit is in the local control mode and
allowed to start if the period is occupied.
Network Network:The unit is controlled by network commands and
allowed to start if the period is occupied.
Remote Remote:The unit is controlled by external commands and
allowed to start if the period is occupied.
Master Master: The unit operates as the master in the master/slave
assembly and allowed to start if the period is occupied.
IMPORTANT: When entering the menu, please note that
the currently selected item corresponds to the last running
operating mode.
5.6 - Stop the unit
To stop the unit, press the Start/Stop button
Conrm the unit shutdown by pressing Conrm Stop or
cancel the unit shutdown by pressing the
Back button
5.3 - Read the welcome screen
The Welcome screen is the rst screen shown after starting
the user interface. It displays the application name as well
as the current software version number.
Home button
Software version number
To exit the Welcome screen, press
Information message box
The information box displayed in the status bar at the
bottom of the screen includes relevant messages regarding
the current user action.
All screens presented further in this manual may display
the following messages:
MESSAGE STAT US
COMMUNICATION FAILURE! Equipment controller did not respond while
reading the table content.
ACCESS DENIED! Equipment controller denies access to one of
the tables.
LIMIT EXCEEDED! The value entered exceeds the parameter limit.
Save changes? Modications have been made. The exit must be
conrmed by pressing Save or Cancel.
HIGHER FORCE IN EFFECT! Equipment controller rejects Force or Auto
command.
5.4 - Explore the synoptic screen
The Synoptic screen provides an overview of the system
control, allowing the user to monitor the vapour-refrigeration
cycle.
The diagram indicates the current status of the unit, giving
information on the unit capacity, the status of water heat
exchanger pumps, and the pre-dened setpoint parameter.
All unit functions can be accessed by pressing the Main
menu button
IMPORTANT: The synoptic screen display may vary
depending on pumps conguration.
1
4
3
2
5
1 Outdoor air temperature
2 Unit capacity percentage
3 Setpoint
4 Evaporator inlet and outlet water temperature
5 Status screen message
Shows the last
mode selected

12
5.7 - Set the schedule
The control incorporates two time schedules, where the
rst one (OCCPC01S) is used for controlling the unit start/
stop, whereas the second one (OCCPC02S) is used for
controlling the dual setpoint. The control offers the user
the possibility of setting eight occupancy periods.
To set the unit start/stop schedule:
1. Navigate to the Conguration menu and select
Schedule (SCHEDULE).
2. Go to OCCPC01S.
3. Select appropriate check boxes to set the unit
occupancy on specic days.
4. Dene the time of occupancy.
5. When the time schedule is set, the selected period will
be presented in the form of the green band on the
timeline.
6. Press to conrm or to cancel changes.
3 4 5 6 2 1
1 Selection of days for the time schedule
2 Start/end of the schedule
3 Save
4 Cancel
5 Previous time period
6 Next time period
IMPORTANT: Only logged-in users are allowed to
access the Conguration menu.
5.8 - Manage display settings
The User Login screen allows the user to select the
language of the controller, change the system of
measurement (imperial or metric) and enter a password to
gain access to more control options.
To access the User Login screen, press the
Log button in the upper-right corner of the screen (see
also section 5.4).
5.8.1 - Security access settings
User-level security ensures that only authorised users are
allowed to modify critical unit parameters.
1 Cursor indicating the selected language
2 Logged-in button
3 Logged-o button
4 System of measurement: Metric/Imperial
5 Password dialog box
IMPORTANT: Only logged-in users are allowed to
access the Conguration menu.

It is strongly recommended to change the default
password of the user interface to exclude the possibility
of changing any parameters by an unqualied person.
Only people qualied to manage the unit should be
familiarized with the password.
User login
Only logged-in users can access congurable unit
parameters. By default, user password is 11.
To log in as user:
1. Press the Log button to open User Login Screen.
2. Press the Password box.
3. A dialog box appears.
4. Provide the password (11) and press OK.
5. The User Login screen appears.
6. Press to save or to cancel changes.
Password box

13
Password change
User password can be modied in the User Conguration
menu.
To change your password:
1. Navigate to the Conguration menu and select
User Conguration (USERCONF).
2. Press the User Password box.
3. A dialog box appears.
4. Enter your new password and press OK.
5. The User Conguration screen appears.
6. Press to save or to cancel changes.
5.8.2 - Display language
Display language can be modied in the User Login
Screen on the Touch Pilot Junior user interface.
To change a display language:
1. Press the Log button to open User Login Screen.
2. Select the new language of the display.
3. Press to save or to cancel changes.
IMPORTANT: Touch Pilot Junior allows users to add
new languages to the control. To learn more about
language customization, please contact your local Carrier
representative.
5.8.3 - System of measurement
The control offers the possibility of selecting the system of
measurement displayed on the user interface.
To change a system of measurement:
1. Press the Log button to open User Login Screen.
2. Select the system of measurement.
3. Press to save or to cancel changes.
5.9 - Monitor unit parameters
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 Synoptic screen
(see also section 5.4).
Specic unit parameters can be accessed by pressing the
icon corresponding to the desired category.
To go back to the Synoptic screen, press .

14
General unit parameters
The General parameters screen provides access to a set of
general unit parameters.
To access the General parameters screen, go to the Main
menu and select General Parameters
1
1 Forceable point
Press the Up/Down buttons to navigate between
the screens.
5.10 - Modify unit parameters
The Conguration menu gives access to a number of
user-modiable parameters such as pump conguration,
schedule menu, etc. The Conguration menu is password-
protected (see also section 5.8.1).
Press the eld corresponding to the parameter to be
modied and introduce all the necessary changes.
Press the Up/Down buttons to navigate between
the screens. Once all the necessary modications have
been made, press to conrm or to cancel
changes.

In some cases it is possible to override system
conguration. The override screen provides the option to
issue the command overriding the current operation of the
unit.
To access the override screen, press the forceable point of
the data screen. Note that not all parameters can be
overridden by the control.
①
②
③
1 Forced value
2 Set force
3 Auto

15
6.3 - Manage web browser settings
Minimum web browser conguration:
• Internet Explorer (version 8 or higher) or Mozilla
Firefox (version 26 or higher). In the advanced
connection options add the unit IP address to the
exceptions list. Do not use a proxy server.
• Java platform (version 6 or higher). In the control
panel, clear the Keep temporary les on my computer
checkbox and use a direct connection.
IMPORTANT: Two users can be connected
simultaneously with no priority between them. Note that
the last modication is taken into account.


The Touch Pilot Junior control can be accessed via a web
browser (Internet Explorer, Mozilla Firefox, etc.).
Connection is from a PC using a web browser with Java.
CAUTION
Use rewalls and VPN for secure connection.
6.2 - Open the web interface
To access the Touch Pilot Junior control, enter the IP
address of the unit in the address bar of the web browser.
Unit default address: 169.254.0.1.
This address can be changed.
IMPORTANT: Only two web connections can be
authorised at the same time.
CAUTION
For security reasons the unit cannot be started / stopped
via the web interface.
All other operations, including monitoring unit
parameters or unit conguration, can be performed via
the web browser interface.

16
Icon Displayed text* Description Name
General Parameters General parameters GENUNIT
Temperature Temperatures TEMP
Pressure Pressures PRESSURE
Inputs Inputs status INPUTS
Outputs Outputs status OUTPUTS
Pump Status Pump status PUMPSTAT
Runtime Run times RUNTIME
DC Free Cooling
Status
Dry Cooler - Free
Cooling FCOOL_ST
Modes Modes status MODES
Setpoint Setpoints SETPOINT
Conguration Conguration menu CONFIG
*Depends on the selected language (English by default).
CAUTION
Since specic units may not include additional features,
some tables may contain parameters that cannot be
congured for a given unit.
7 - PARAMETERS
7.1 - Main menu
General Parameters Menu – GENUNIT
Point 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
2STAT US xxx - Running Status Unit running status: 0 = O, 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 status
4 min_left 0 to 0 min Minutes Left for Start Minutes left before the unit start-up
5 HEATCOOL Heat/Cool status Heating/Cooling status
6 HC_SEL 0 to 2 - Heat/Cool Select Heating/Cooling selection
0=Cool 1=Heat 2=Auto 0 = Cool, 1 = Heat, 2 = Auto
7 SP_SEL 0 to 2 - Setpoint Select Setpoint select
0=Auto. 1=Spt1. 2=Spt2 0 = Auto, 1 = Setpoint 1, 2 = Setpoint 2
8 SP_OCC no/yes - Setpoint Occupied? Setpoint occupied?
9 CHIL_S_S dsable/enable - Net.: Cmd Start/Stop Unit start/stop via Network: When the unit is in Network
mode, start/stop command can be forced
10 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
11 CAP_T 0 to 100 % Percent Total Capacity Total unit capacity
12 CAPA_T 0 to 100 % Circuit A Total Capacity Total capacity, circuit A
13 CAPB_T 0 to 100 % Circuit B Total Capacity Total capacity, circuit B
14 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
15 SP - °C / °F Current Setpoint Current setpoint
16 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
17 EMSTOP dsable/enable - Emergency Stop Emergency stop
*Depends on the selected language (English by default).

17
Temperature Menu – TEMP
Point 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
3OAT - °C / °F External Temperature Outdoor air temperature: Used to determine a number of control
mechanisms such as heat/cool changeover, water exchanger
heater operation, defrost cycle
4 CHWSTEMP - °C / °F Common Master/Slave Temp Common master/slave temperature
5 SCT_A - °C / °F Saturated Cond Tmp A Saturated condensing temperature, circuit A
6 SST_A - °C / °F Saturated Suction Tmp A Saturated suction temperature, circuit A
7 SCT_B - °C / °F Saturated Cond Tmp B Saturated condensing temperature, circuit B
8 SST_B - °C / °F Saturated Suction Tmp B Saturated suction temperature, circuit B
9 DEFRT_A - °C / °F Defrost Temp Cir A Defrost temperature, circuit A (heat pumps only)
10 DEFRT_2 - °C / °F Defrost Temp Second Coil Defrost temperature on the second coil on circuit A (heat pumps
only)
11 sgtc1 - °C / °F Suction Gas Temp Coil 1 Suction gas temperature coil 1
12 sgtc2 - °C / °F Suction Gas Temp Coil 2 Suction gas temperature coil 2
*Depends on the selected language (English by default).
Pressure Menu – PRESSURE
Point 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 (English by default).
Inputs Menu – INPUTS
Point name Status Unit Displayed text* Description
1 ONOFF_SW open/close - Remote On/O Switch Remote On/O switch
2 HC_SW open/close - Remote Heat/Cool Switch Remote Heat/Cool switch
3 on_ctrl xxx - Current Control Current control status: O, On Cool, On Heat, On Auto
4 SETP_SW open/close - Remote Setpoint Switch Remote setpoint switch
5 LIM_SW1 open/close - Limit Switch 1 Demand limit switch 1
6 LIM_SW2 open/close - Limit Switch 2 Demand limit switch 2
7 LIM_ANAL - mA Limit Analog Input Limit Analog Input 4-20mA
8 FLOW_SW open/close - Flow Switch Water exchanger ow switch
9 leak_v - V Leakage detector #1 val Leakage detector 1
10 leak_2_v - V Leakage detector #2 val Leakage detector 2
11 DSHT_SW open/close - Desuperheater Switch Desuperheater switch
12 PWRIN_ST open/close - Power Input Stable Power input stable
13 HP_SWA open/close - HP Switch Circuit A High pressure switch, circuit A
14 HP_SWA3B open/close - HP Switch Circuit A3/B High pressure switch, circuit B
15 bacdongl no/yes - BACnet Dongle BACnet dongle status (BACnet option)
*Depends on the selected language (English by default).

18
Outputs Menu – OUTPUTS
Point name Status Unit Displayed text* Description
1 CP_A1 o/on - Compressor A1 Output Compressor A1 status
2 CP_A2 o/on - Compressor A2 Output Compressor A2 status
3 CP_A3 o/on - Compressor A3 Output Compressor A3 status
4 FAN_A1LS o/on - Fan A1LS Output Fan A1 low speed status
5 FAN_A1HS o/on - Fan A1HS Output Fan A1 high speed status
6 FAN_A2LS o/on - Fan A2LS Output Fan A2 low speed status
7 FAN_A2HS o/on - Fan A2HS Output Fan A2 high speed status
8 HD_POS_A - % Head Pressure Position A Head pressure, circuit A
9 EXVPosA - % EXV Position Circuit A EXV position, circuit A
10 EXVNPosA - % EXV Next Pos Circuit A EXV next position, circuit A
11 RV_A o/on -4 Way Refrigerant ValveA 4-way refrigerant valve, circuit A: Used to manage cooling / heating
/ defrost operation (heat pumps)
12 CP_B1 o/on - Compressor B1 Output Compressor B1 status
13 CP_B2 o/on - Compressor B2 Output Compressor B2 status
14 FAN_B1LS o/on - Fan B1LS Output Fan B1 low speed status
15 FAN_B1HS o/on - Fan B1HS Output Fan B1 high speed status
16 HD_POS_B - % Head Pressure Position B Head pressure, circuit B
17 EXVPosB - % EXV Position Circuit B EXV position, circuit B
18 EXVNPosB - % EXV Next Pos Circuit B EXV next position, circuit B
19 RV_B o/on -4 Way Refrigerant ValveB 4-way refrigerant valve, circuit B: Used to manage cooling/heating/
defrost operation (heat pumps)
20 C_HEATER o/on - Cooler & Drain Pan Heatr Water exchanger / Drain pan heater
21 BOILER o/on - Boiler Command Boiler status
22 EHS_STEP - - Electrical Heat Stage Electric heating stages
23 ALARM_R o/on - Alarm Relay Status Alarm relay status
24 RUN_R o/on - Running Status Unit ON relay
25 OIL_VALV o/on -Oil Valve Status Oil valve status
*Depends on the selected language (English by default).
Pump Status Menu – PUMPSTAT
Point name Status Unit Displayed text* Description
1 CPUMP_1 o/on - Water Pump #1 Command Water pump 1 command
2 CPUMP_2 o/on - Water Pump #2 Command Water pump 2 command
3 ROT_PUMP no/yes - Rotate Pumps Now? Water exchanger pumps rotation
4 W_P_IN - kPa / PSI Inlet Water Pressure Inlet water pressure
5 W_P_OUT - kPa / PSI Outlet Water Pressure Outlet water pressure
6 WP_CALIB no/yes - Water Pressure Calibrat Water pressure calibration
7 WP_OFFST - kPa / PSI Water Pressure Oset Water pressure oset
8 DP_FILTR - kPa / PSI Delta Water Press. Filt Delta water pressure ltration
9 WP_MIN - kPa / PSI Mini Water Pressure Minimum water pressure
10 WAT_FLOW - l/s / GPS Water Flow Water ow status
11 CAPPOWER - kW Actual Power Capacity Actual power capacity
12 p_dt_spt - ^C / ^F Water DT Setpoint Water discharge temperature setpoint
13 p_dp_spt - kPa / PSI Water DP Setpoint Water discharge pressure setpoint
14 drvp_pct - % Pump Drive Percent Pump drive percent
15 drvp_pwr - kW Pump Drive Power Pump drive power
16 drvp_i - A Pump Drive Amps Pump drive (A)
17 drvp_ver xxx - Pump Drive Version Pump drive version
*Depends on the selected language (English by default).

19
Runtime Menu – RUNTIME
Point name Status Unit Displayed text* Description
1 hr_mach - hour Machine Operating Hours Unit operating hours
2 st_mach - - Machine Starts Number Number of unit starts
3 hr_cp_a1 - hour Compressor A1 Hours Operating hours, compressor A1
4 st_cp_a1 - - Compressor A1 Starts Number of starts, compressor A1
5 hr_cp_a2 - hour Compressor A2 Hours Operating hours, compressor A2
6 st_cp_a2 - - Compressor A2 Starts Number of starts, compressor A2
7 hr_cp_a3 - hour Compressor A3 Hours Operating hours, compressor A3
8 st_cp_a3 - - Compressor A3 Starts Number of starts, compressor A3
9 hr_cp_b1 - hour Compressor B1 Hours Operating hours, compressor B1
10 st_cp_b1 - - Compressor B1 Starts Number of starts, compressor B1
11 hr_cp_b2 - hour Compressor B2 Hours Operating hours, compressor B2
12 st_cp_b2 - - Compressor B2 Starts Number of starts, compressor B2
13 hr_cpum1 - hour Water Pump #1 Hours Operating hours, water pump 1
14 hr_cpum2 - hour Water Pump #2 Hours Operating hours, water pump 2
15 hr_fana1 - hour Circuit A Fan #1 Hours Operating hours, fan 1, circuit A
16 st_fana1 - - Circuit A Fan #1 Starts Number of starts, fan 1, circuit A
17 hr_fana2 - hour Circuit A Fan #2 Hours Operating hours, fan 2, circuit A
18 st_fana2 - - Circuit A Fan #2 Starts Number of starts, fan 2, circuit A
19 hr_fanb1 - hour Circuit B Fan #1 Hours Operating hours, fan 1, circuit B
20 st_fanb1 - - Circuit B Fan #1 Starts Number of starts, fan 1, circuit B
21 nb_def_a - - Circuit A Defrost Number Defrost session number, circuit A
22 nb_def_b - - Circuit B Defrost Number Defrost session number, circuit B
*Depends on the selected language (English by default).
DC Free Cooling Status Menu – FCOOL_ST
Point name Status Unit Displayed text* Description
1 fc_oat 0 to 0 °C / °F Free Cooling OAT Free Cooling OAT (see section 8.10)
2 fc_lwt 0 to 0 °C / °F FC Leaving Water Temp Free Cooling LWT
3 fc_wloop 0 to 0 °C / °F FC Water Loop Temp Free Cooling water loop temperature
4 m_fcool no/yes - Free Cooling Mode Active Free Cooling mode – status
5 fc_cap 0 to 100 % FC Capacity Capacity in Free Cooling mode
6 fc_fanst 0 to 7 - FC Fan Stage Number of fan stages in Free Cooling
7 FC_HOUR 0 to 999999 hour FC Operating Hours Free Cooling running time
8 FC_FAN1S 0 to 999999 - FC Fan Stage 1 Start Number of starts, FC fan stage 1
9 FC_FAN1H 0 to 999999 - FC Fan Stage 1 Hours Operating hours, FC fan stage 1
10 FC_FAN2S 0 to 999999 - FC Fan Stage 2 Start Number of starts, FC fan stage 2
11 FC_FAN2H 0 to 999999 - FC Fan Stage 2 Hours Operating hours, FC fan stage 2
12 FC_FAN3S 0 to 999999 - FC Fan Stage 3 Start Number of starts, FC fan stage 3
13 FC_FAN3H 0 to 999999 - FC Fan Stage 3 Hours Operating hours, FC fan stage 3
14 FC_FAN4S 0 to 999999 - FC Fan Stage 4 Start Number of starts, FC fan stage 4
15 FC_FAN4H 0 to 999999 - FC Fan Stage 4 Hours Operating hours, FC fan stage 4
16 FC_FAN5S 0 to 999999 - FC Fan Stage 5 Start Number of starts, FC fan stage 5
17 FC_FAN5H 0 to 999999 - FC Fan Stage 5 Hours Operating hours, FC fan stage 5
18 FC_FAN6S 0 to 999999 - FC Fan Stage 6 Start Number of starts, FC fan stage 6
19 FC_FAN6H 0 to 999999 - FC Fan Stage 6 Hours Operating hours, FC fan stage 6
20 FC_FAN7S 0 to 999999 - FC Fan Stage 7 Start Number of starts, FC fan stage 7
21 FC_FAN7H 0 to 999999 - FC Fan Stage 7 Hours Operating hours, FC fan stage 7
*Depends on the selected language (English by default).
Modes Menu – MODES
Point name Status Unit Displayed text* Description
1 m_delay no/yes - Delay Active Delay active (when switching between modes)
2 m_2ndspt no/yes - Second Setpoint Active Second setpoint active (during unoccupied periods)
3 m_reset no/yes - Reset Active Reset is 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 Water exchanger heater active
7 m_pmprot no/yes - Pump Rot Active Pump rotation active
8 m_pmpper no/yes - Pump Per Active Periodical pump start active
9 m_night no/yes - Night Low Noise Active Night low noise mode active
10 m_SM no/yes - System Manager Active System Manager active
11 m_leadla no/yes - Master Slave Active Master/Slave active
12 m_auto no/yes - Auto Changeover Active Auto changeover active
13 m_heater no/yes - Electric Heat Active Electric heating active
14 m_lo_ewt no/yes - Heating Low EWT Lockout Heating low EWT lockout
15 m_boiler no/yes - Boiler Active Boiler active
16 m_ice no/yes - Ice Mode Active Ice mode active
17 m_defr_a no/yes - Defrost Active On Cir A Defrost active, circuit A
18 m_defr_b no/yes - Defrost Active On Cir B Defrost active, circuit B
19 m_sst_a no/yes - Low Suction Circuit A Low suction temperature, circuit A
20 m_sst_b no/yes - Low Suction Circuit B Low suction temperature, circuit B
21 m_dgt_a no/yes - High DGT Circuit A High discharge gas temperature, circuit A
22 m_dgt_b no/yes - High DGT Circuit B High discharge gas temperature, circuit B
23 m_hp_a no/yes - High Pres Override Cir A High pressure override, circuit A
24 m_hp_b no/yes - High Pres Override Cir B High pressure override, circuit B
25 m_sh_a no/yes - Low SuperHeat Circuit A Low superheat, circuit A
26 m_sh_b no/yes - Low SuperHeat Circuit B Low superheat, circuit B
*Depends on the selected language (English by default).

20
Setpoint Menu – SETPOINT
Point name Status Default Unit Displayed text* Description
1 csp1 -28.9 to 20.0
-20.0 to 68.0
7.0
44.6
°C
°F
Cooling Setpoint 1 Cooling setpoint 1
2 csp2 -28.9 to 20.0
-20.0 to 68.0
7.0
44.6
°C
°F
Cooling Setpoint 2 Cooling setpoint 2
3 hsp1 25.0 to 55.0
77.0 to 131.0
38.0
100.4
°C
°F
Heating Setpoint 1 Heating setpoint 1
4 hsp2 25.0 to 55.0
77.0 to 131.0
38.0
100.4
°C
°F
Heating Setpoint 2 Heating setpoint 2
5 ramp_sp 0.1 to 1.1
0.2 to 2.0
0.6
1.0
^C
^F
Ramp Loading Ramp loading
6 cauto_sp 3.9 to 50.0
39.0 to 122.0
23.9
75.0
°C
°F
Cool Changeover Setpt Cool changeover setpoint
7 hauto_sp 0 to 46.1
32.0 to 115.0
17.8
64.0
°C
°F
Heat Changeover Setpt Heat changeover setpoint
8 lim_sp1 0 to 100 100 % Switch Limit Setpoint 1 Switch limit setpoint 1
9 lim_sp2 0 to 100 100 % Switch Limit Setpoint 2 Switch limit setpoint 2
10 lim_sp3 0 to 100 100 % Switch Limit Setpoint 3 Switch limit setpoint 3
11 min_sct 26.7 to 60.0
80.0 to 140.0
40.0
104.0
°C
°F
Desuperheater Min Sct Desuperheater minimum saturated condensing
temperature
*Depends on the selected language (English by default).
(CONFIG)
Icon Displayed text* Description Name
General Cong General conguration GENCONF
Pump Conguration Pump conguration PUMPCONF
Heat/Cool Cong Heat/Cool conguration HCCONFIG
Reset Cong Reset conguration RESETCFG
User Conguration User conguration USERCONF
Schedule Schedule menu SCHEDULE
Holiday Holiday menu HOLIDAY
Broadcast Broadcast menu BROADCAST
Date/Time Date/time conguration DATETIME
Control Identication Control identication CTRL_ID
*Depends on the selected language (English by default).
CAUTION
Since specic units may not include additional features,
some tables may contain parameters that cannot be
congured for a given unit.