Page 2
Foreword
1 FOREWORD
1.1 Introduction
Units manufactured to state-of-the-art design and im-
plementation standards, ensure top performance,
reliability and fitness to any type of air-conditioning
systems.
These units are designed for cooling water or glyco-
led water (and for water heating in heat pump mo-
dels) 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 rele-
vant operating and maintenance instructions.
It is therefore recommended to read this manual ca-
refully 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 da-
mage 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 in-
structions included in this manual.
1.2 Warranty
These units are delivered complete, tested and ready
for being operated. Any form of warranty will beco-
me null and void in the event that the appliance is
modified without manufacturer’s preliminary written
authorisation.
This warranty shall apply providing that the instal-
lation 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 Ser-
vice).
In order for this warranty to be valid, the following
conditions shall be met:
Q
The machine must be operated only by skilled per-
sonnel from Authorised After-Sales Service.
Q
Maintenance must be performed only by skilled
personnel - from one of Authorised After-Sales
Centers.
Q
Use only original spare parts.
Q
Carry out all the planned maintenance provided
for by this manual in a timely and proper way.
Failure to comply with any of these conditions will
automatically void the warranty.
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 detai-
led in this manual.
1.4 An introduction to the manual
For safety reasons, it is imperative to follow the in-
structions given in this manual. In case of any dama-
ge caused by non-compliance with these instructions,
the warranty will immediately become null and void.
Conventions used throughout the manual:
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 proce-
dures that, if not followed, may result in se-
rious damage to the appliance.
The Notes contain important observations.
The Useful Tips provide valuable informa-
tion that optimises the efficiency of the ap-
pliance.
This manual and its contents, as well as the docu-
mentation which accompanies the unit, are and re-
main 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.
DANGER
WARNING
NOTE
USEFUL TIPS
AQL_AQH 20-75_EN new.indd 2
8-10-2009 9:30:16
