Foreword; Introduction; Warranty; Emergency Stop/Normal Stop - comatec AQWL Installations- Und Wartungshandbuch

1.1 Introduction

Units, manufactured to state-of-the-art design and implementation
standards, ensure top performance, reliability and fitness to any type
of air-conditioning systems.
These units are designed for cooling water or glycoled water (and for
water heating in heat pump models) and are unfit for any purposes
other than those specified in this manual.
This manual includes all the information required for a proper
installation of the units, as well as the relevant operating and
maintenance instructions.
It is therefore recommended to read this manual carefully before
installation or any operation on the machine. The chiller installation
and maintenance must be carried out by skilled personnel only
(where possible, by one of Authorised Service Centers).
The manufacturer may not be held liable for any damage to people or
property caused by improper installation, start-up and/or improper
use of the unit and/or failure to implement the procedures and
instructions included in this manual.

1.2 Warranty

These units are delivered complete, tested and ready for being
operated. Any form of warranty will become null and void in the event
that the appliance is modified without manufacturer's preliminary
written authorisation.
This warranty shall apply providing that the installation instructions
have been complied with (either issued by manufacturer, or deriving
from the current practice), and the Form 1 ("Start-up") has been
filled-in and mailed to manufacturer (attn. After-Sales Service).
In order for this warranty to be valid, the following conditions shall be
met :
The machine must be operated only by skilled personnel from
n
Authorised After-Sales Service.
Maintenance must be performed only by skilled personnel - from
n
one of Authorised After-Sales Centers.
Use only original spare parts.
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Carry out all the planned maintenance provided for by this manual
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in a timely and proper way.
Failure to comply with any of these conditions will automatically void
the warranty.
1 - Introdução

1 - Foreword

1.3 Emergency stop / Normal stop
The emergency stop of the unit can be enabled using the master
switch on the control panel (move down the lever).
For a normal stop, press the relevant push-buttons.
To restart the appliance, follow the procedure detailed in this manual.
1.4 An introduction to the manual
For safety reasons, it is imperative to follow the instructions given in
this manual. In case of any damage caused by non-compliance with
these instructions, the warranty will immediately become null and
void.
Conventions used throughout the manual:
DANGER
WARNING
NOTE
USEFUL TIPS
This manual and its contents, as well as the documentation which
accompanies the unit, are and remain the property of manufacturer,
which reserves any and all rights thereon. This manual may
not be copied, in whole or in part, without manufacturer's written
authorization.
2
The Danger sign recalls your attention to a
certain procedure or practice which, if not
followed, may result in serious damage to
people and property.
The Warning sign precedes those procedures
that, if not followed, may result in serious
damage to the appliance.
The Notes contain important observations.
The Useful Tips provide valuable information
that optimises the efficiency of the appliance.