Introduction
4
I
I
INTRODUCTION
Installation, use and maintenance manual
This Manual is an integral part of the GAHP-AR unit
and must be handed to the end user together with the
appliance.
I.1
RECIPIENTS
This Manual is intended for:
▶
End user, for appropriate and safe use of the appliance.
▶
Qualified installer, for correct appliance installation.
▶
Planner, for specific information on the appliance.
I.2
CONTROL DEVICE
In order to be able to work, the GAHP-AR unit needs a control
device (DDC or external request), which must be connected by
the installer.
II
SYMBOLS AND DEFINITIONS
II.1
KEY TO SYMBOLS
DANGER
WARNING
NOTE
PROCEDURE
REFERENCE (to other document)
II.2
TERMS AND DEFINITIONS
GAHP Appliance/Unit
= equivalent terms, both used to des-
ignate the gas powered absorption heat pump GAHP (Gas
Absorption Heat Pump).
AT
= Robur Authorised Technician.
External request
= generic control device (e.g. thermostat, tim-
er or any other system) equipped with a voltage-free NO contact
and used as control to start/stop the GAHP unit.
DDC Control
(Direct Digital Controller) = optional Robur adjust-
ment device to control one or more Robur appliances (GAHP
heat pumps, GA chillers and AY00-120 boilers) in ON/OFF mode.
RB100/RB200 Devices
(Robur Box) = optional interface devices
complementary to DDC, which may be used to broaden its func-
tions (heating/cooling/DHW production service demands, and
control of system components such as third party generators,
adjustment valves, circulators, probes).
GUE
(Gas Utilization Efficiency) = efficiency index of gas heat
pumps, equal to the ratio between the thermal energy pro-
duced and the energy of the fuel used (relative to NCV, net calo-
rific value)
First start-up
= appliance commissioning operation which may
only and exclusively be carried out by an AT.
S61/AR11 Boards
= electronic boards on the GAHP unit, to con-
trol all functions and to provide interface with other devices and
with the user.
III
WARNINGS
III.1
GENERAL AND SAFETY WARNINGS
Installer's qualifications
Installation must exclusively be performed by a quali-
fied firm and by skilled personnel, with specific knowl-
edge on heating, electrical systems and gas appliances,
in compliance with the laws in force in the Country of
installation. The manufacturer will not accept responsi-
bility for personal injuries or property damage resulting
from improper installation.
Declaration of conformity
Upon completing installation, the installing firm shall
issue to the owner/client the appliance's workman-
like conformity declaration, according to national/local
regulations in force and the manufacturer's instructions/
provisions.
Misuse
The appliance must only be used for the purposes for
which it has been designed. Any other use is deemed
hazardous. Incorrect use may affect operation, duration
and safety of the appliance. Adhere to the manufactur-
er's instructions. Steps must be taken to avoid improper
use and potential dangers.
Hazardous situations
Do not start the appliance in hazardous conditions, such
as: gas smell, problems with the plumbing/electrical/gas
system, parts of the appliance under water or damaged,
malfunctioning, disabling or bypassing control and
Summary of Contents for GAHP-AR
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