![background image](http://html1.mh-extra.com/html/carrier/30xav/30xav_control-manual_2564187003.webp)
3
PREFACE
The goal of this document is to give a broad overview of
the main functions of the Touch Pilot system used to
control single-circuit and dual-circuit air-cooled liquid
chillers (30XAV / 30XAV-ZE).
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 qualified Carrier Service Engineer is
strongly recommended to ensure optimal operation of the
equipment as well as the optimization of all available
functionalities.
IMPORTANT: All screenshots of the interface provided
in this manual include text in English. After changing the
language of the system, all labels will be displayed in the
language selected by the user.
Note that this document may refer to optional components
and certain functions, options or accessories may not be
available for the specific unit. The cover images are solely
for illustration and form no part of any offer for sale or any
sale contract.
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,
modified 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. Fans in circuit A are referred to as Fan A1,
Fan A2, etc., whereas fans in circuit B are referred to as
Fan B1, Fan B2, etc.
BMS
Building Management System
CCN
Carrier Comfort Network
EMM
Energy Management Module
EXV
Electronic Expansion Valve
LED
Light Emitting Diode
LEN
Sensor Bus (internal communication bus linking the basic
board to slave boards)
OAT
Outdoor Air Temperature
PSM
Plant System Manager
VLT
Variable Speed Drive
Network mode
Operating type: Network
Local-Off
Operating type: Local Off
Local-On
Operating type: Local On mode
Local-Schedule
Operating type: Local On following a time schedule
Master mode
Operating type: master unit (master/slave assembly)
Remote mode
Operating type: by remote contacts
Please read all instructions prior to proceeding
with any work. Pay attention to all safety
warnings.