Eaton-Williams Qualitair Technical Manual & Installation Procedures - page 2
PM CHASSIS UNIT MANUAL
:E\Manuals\Others\Qualitair\QPM\LG3298L/22QPMChassisUnit
1. SAFETY PROCEDURES
Installation
The units making up the Air Conditioning
System must be installed only by a
qualified engineer, following the
mandatory and local codes of practice.
Handling
Care must be taken when the units are
moved or lifted to ensure that everyone
and everything is safe. When lifting
equipment is used, it must be suitable and
approved.
Application
Ensure that the unit is only used for
suitable purpose / applications.
Electrical Connection
Electrical work and connections must only
be made by authorised electricians in
accordance with mandatory regulations
and local codes of practice.
Warranty
Failure to comply with the manufacturer’s
installation instructions could affect the
performance of the unit and invalidate the
warranty. Warranty is also subject to the
implementation of a planned service /
maintenance agreement as documented in
the warranty booklet supplied with the
unit.
General
a) All works must be carried out in
accordance with manufacturer’s
installation and operating procedures.
b) Good working practices must be
followed at all times so that Mechanical
and Electrical Hazards are kept to a
minimum.
c) The equipment has been fitted with
doors and covers to prevent access
during operation. These must be kept
in place and additional guards fitted, if
necessary.
d) The equipment must be connected to
an external electrical isolator is one is
not supplied fitted to the unit.
e) Servicing and maintenance must only
be carried out by fully qualified and
competent staff. Before any work is
started, electrically isolate the units to
make sure they cannot be switched on
accidentally and allow sufficient time
for isolated parts to come to rest
before removing panels. Electrical
isolation switches MUST be labelled to
show that they are off during servicing
and maintenance operation.
NOTE
SOME UNITS ARE DORMANT IN
STANDBY MODE AND CAN
RESTART WITHOUT WARNING
IF THEY ARE NOT ELECTRICALLY
ISOLATED.
f) Care must be taken not to touch
components or pipework which may be
extremely hot or cold, for a period
after the unit is electrically isolated.
g) After completing any tasks ensure all
guards, covers and doors are correctly
refitted before restoring the power
supply to the unit.
h) Air conditioning equipment may
generate unacceptable noise levels. If
noise levels are unacceptable sound
and vibration attenuators may be
required. For noise levels guidance
refer to technical literature, or contact
Qualitair, or their distributors for
advice.