Trane IPG315D Bedienungsanleitung

For controller on

CXAO / RTXB heat pumps

CGCM / CXCM 2 circuit units

CNT-SVU005C-GB

Original instructions

User Guide

Table of contents

Advanced electronics .................................................................................................3

Technical Specifications.............................................................................................4

Display description .....................................................................................................6

Submenu....................................................................................................................7

Operating Variables....................................................................................................8

Unit startup.................................................................................................................8

Set Point...................................................................................................................10

Energy Saving, Auto On/Off, ....................................................................................11

Dynamic Set Point………………………………………………………………………….12

Alarm display............................................................................................................13

D-Log Files Management .........................................................................................14

Online Datalogger.....................................................................................................15

Remote control.........................................................................................................16

Controlling the unit remotely by free contacts...........................................................16

Controlling the unit remotely by Bus protocol ...........................................................17

Controlling the unit remotely by Remote Keypad......................................................18

User parameter table................................................................................................19

WARNING

Supply the unit at least 24 hours before the initial startup to heat the compressor oil. In conditions of

low water temperature, the pumps could be started in order to avoid freezing conditions. In order to

avoid the breaking of heat exchangers due to water hammer, be sure to keep to water valves open.

Failure to follow these instructions will void the warranty.

Advanced electronics

The control logic is able to manage air/water and water/water chillers, chillers with total recovery and

heat pump versions.

This control logic, according the type of the unit, is able to handle multi scroll units and screw units

with a proportional step regulation according inlet water temperature or proportional + integral regula-

tion according leaving water temperature.

Technical Specifications

IPG315D:

Power supply: 24V AC/DC

Digital inputs: 20 opto-insulated at 24Volt AC current on the contact

Analog inputs: 10 configurables: 0÷5V, 4÷20mA, NTC, PTC, digital input

Analog outputs Opto-Insulated: 2 configurables: 0÷10V, external relay driving, PWM signal

4 configurables: 0÷10V signal, external relay driving

Relay outputs: 10 x 5(2) A @ 250V SPST + 5 SSR type

Remote terminal N° 1 output for connection of up to two remote terminals (100M)

RTC

Serial outputs

1 USB

1 Ethernet with Bacnet TCP/IP communication protocol

1 connecter for/GSM modem /XWEB modem

1 RS485 master with Mod_BUS communication protocol

1 RS485 slave with Mod_BUS or Bacnet MSTP communication protocol

1 CANbus to connect I/O expansion modules

IPG108D / IPG108E:

Power supply: 24V AC/DC

Digital inputs: 11 opto-insulated at 24Volt AC current on the contact

Analog inputs : 6 configurables: 0÷5V, 4÷20mA, NTC, PTC, digital input

Analog outputs Opto-Insulated: 4 configurables: 0÷10V signal, external relay driving

Relay outputs

8 x 5(2) A @ 250V SPST

Remote terminal

N° 1 output for connection of up to two remote terminals (100M)

RTC

LED DISPLAY INTEGRATED (IPG108E)

Serial outputs

1 USB; Bacnet TCP/IP using USB/Ethernet adapter

1 RS485 master with Mod_BUS communication protocol or 1 LAN to connect I/O expansion module

1 RS485 slave with Mod_BUS or with Bacnet MSTP communication protocol

Display description

Through the visual keyboard LCD display, you can monitor and change the status of the unit, using

the 8 buttons positioned in the lower part of the keypad. Available information on display:

At the unit startup, the main screen will be as follows:

In case the unit is controlled by remote or during shutdown by time slot, the main screen will be:

Through the selection keys you can enter in the sub-sections of the main screen, where you can view

respectively:

“PROBES”: displays readings of all the sensors connected to the machine;

“SET”: displays set point of utilities;

“ALARM”: displays of active alarms;

“SERVICE”: allows entry in the menu of the instrument;

“CIRC”: displays the screens of the state of circuits and working conditions of each component.

In addition to the submenus input buttons mentioned above, in the main screen there is also the key

evidenced by the sun to activate the unit in summer mode, and the button with the

snow , to activate the unit in heating mode.

Submenu

The LCD display provides a simple and immediate interaction with the unit.

Pressing the "SERVICE" button, you can enter in the screens dedicated to the displaying and/or to the

configuration of components and user parameters of the unit.

Using the arrow keys you can select the below areas reserved for displaying the features of each

component. The areas used for this application are:

Parameters programming

Time bands programming

Current compressors parameters display

Fans and pumps current parameters display

Alarm display

Alarm history display

Defrost status display

Inputs and outputs status display

Auxiliary outputs status display

Recovery parameters display (Only for chiller with recovery)

Display setting and di log files management

Access to the link mentioned above is carried out by pressing the "ENTER" key after highlighting the

desired icon using the or buttons. By pressing the "ESC" anytime you return to the main

screen.

Operating Variables

Pressing the "Circ" button, you can see the status of all unit components and the value read by the

pressure transducers.

In this way it is possible to make a quick check on how the unit is working.

In these screens, you can see, at first, the state of all the compressors, with the status indication of

any capacity control or the percentage of the 0-10V signal supplied from the device to the continuous

modulation with frequency and if preventive functions “unloading” are actives.

Using the arrow keys, you can enter in the screen where the pressure status of the unit is displayed, in

order to make a check on the status of the unit and the refrigerant charge, according to refrigerant gas

and the external conditions: air temperature and water temperature.

The next two screens show, respectively, the pumps and fans activation status.

If the unit is equipped with EC fans or otherwise, AC fans regulated by continuous signal is shown the

percentage of the value of the 0-10V signal provided by the controller for their modulation.

Unit Startup

To activate the unit press for more than 2 seconds the button indicated by the symbol of the sun

, or with the snow , until the label “Unit Stand-by” is displayed.

Following the activation, on the main screen, according to the selected mode, you will see the label

“Unit ON: Cooling”, if you selected the summer mode, or “Unit ON: Heating”, if you selected the

winter mode, and the button of the other mode will disappear.

As for the activation, you can turn off the unit by simply pressing for more than 2 seconds the same

button that you used for the activation.

Following the shutdown of the unit, on the main screen the label “Unit Stand-by” and the button of the

other mode will display.

In the case that the unit is controlled by remote or during the time slot shutdown, on the main screen

will display the label, respectively “Unit Remote Off” or “Unit Off by Clock”.

At the start up, first of all, the pumps will run and, at the same time, the compressor icon “com-

pressor enable” will begin to flash for a set time, after that, the compressor will run and the related

icon will displayed fix.

The cycles are easily recognizable by the icons of the active components, which appear on the main

screen, in particular for air-water versions:

Chiller

Heat Pump

Defrost

For water-water unit, instead:

Chiller

Heat Pump

SetPoint

Pressing the "SET" button on the main screen, you enter in the screen shown below.

In this menu you can set the cold “Chiller” and the hot “Recovery” set point.

To change the value, highlight the set point to be changed using the arrow keys, press the Set button

to enable editing, take it to the desired value using the UP or Down buttons and press Set again to

confirm.

This screen also shows an indication of the state of activation of the functions Energy Saving and

Dynamic Set Point.

During this operation, the “Real Set” label is displayed; if the Energy Saving or the Dynamic Set

Point is active, the “Real Set” is the set point value including the variation for Energy Saving or for

dynamic set; while the set point represents the real set when the Energy Saving or the Dynamic Set

Point are not active.

An example below is shown in the pictures below.

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