
APEN GROUP SPA reserves the right to make changes deemed to be required to its products or documentation
Condensing warm air heater module PCH
4
cod. HG0131.10GB ed.A-2205 PCH 5cod. HG0131.10GB ed.A-2205
PCH
1. GENERAL CAUTIONS
This manual is an integral part of the product and must always
accompany it.
Should the equipment be sold or passed on to someone else,
always make sure that this manual is supplied with the equipment
for future reference by the new owner and/or installer.
The manufacturer shall not be held civilly or criminally responsible
for injuries to people or animals or damages to things caused
by incorrect installation, calibration and maintenance or by
failure to follow the instructions contained in this manual or by
This product must be used only for the applications for which
it was designed or approved. Any other use must be regarded
as hazardous. Improper use may impair the operation, service
life and safety of the unit.
During the installation, operation and maintenance of the
equipment described in this manual, the user must always
strictly follow the instructions given in all the chapters of this
use and instruction manual.
The condensing warm air heater must be installed
in compliance with current regulations, according to
the manufacturer's instructions and by qualied sta,
technically specialised in the heating eld.
ATTENTION:Due to the physics of the thermal exchange
and the intrinsic functioning of the PCH modules, the
surface temperatures of the exchanger, as they depend
on dierent factors such as the installation of the module
inside the AHU/Roof-top unit and the dimensioning of
the air distribution ducts and/or terminals cannot be
guaranteed by the controls on board the PCH alone.
If the PCH modules are used in combination with
ammable or slightly ammable refrigerant gases (A2L),
precautions must be taken to ensure that accidental
refrigerant leaks do not lead to dangerous situations. In
case of doubt, please contact APEN GROUP SPA
maintenance operations must be carried out only by suitably
requisites required by the regulations in force in their country.
Maintenance must be carried out with methods and timescales
in compliance with the regulations in force in the country where
the appliance is installed.
For Italy, the “technical service” tab ofApen Group website www.
apengroup.com indicates several Technical Service Centres
and maintenance of the product carried out according to law
37/2007 (ex 46/90)
For more information, visit our website www.apengroup.com or
contact Apen Group directly.
supplied with this equipment.
2. SAFETY-RELATED WARNINGS
This chapter describes the safety instructions to be followed
by machine operators.
2.1. Fuel
Before starting up the heater, make sure that:
• the gas mains supply data are compatible with the data
stated on the nameplate;
•
• the combustion air is supplied in such a way as to avoid
even partial obstructions of the intake grille (caused by
leaves etc.);
• the gas seal of the feeding system has been tested and
approved in compliance with the applicable standards;
• the heater is supplied with the same type of fuel it has
been designed for;
•
applicable standards;
• the inside of the gas pipes and air distribution ducts for
ducted heaters have been thoroughly cleaned;
•
heater;
•
on the nameplate.
2.2. Gas Leaks
If you smell gas:
• do not operate electrical switches, the telephone or any other
•
to vent the gas out of the room;
• close the gas valves;
•
the unit;
• move away from the unit
• call for qualied sta.
• call the Fire Brigade.
NOTE: IT is strictly prohibited to supply gas to the circuit
with pressures higher than 60 mbar. Such pressures
could cause the valve to break