VOKERA Aria, Aria Series, Aria 6HP, Aria 8HP, Aria 11HP Installation & Servicing Instructions Manual
Aria
Air to water heat pump
Installation
& Servicing
Instructions
THESE INSTRUCTIONS
TO BE RETAINED
BY USER
Vokèra is a licensed member of the Benchmark scheme
which aims to improve the standards of installation and
commissioning of domestic hot water systems in the UK.
BUILDING REGULATIONS
This appliance must be installed and serviced
only by a competent person in accordance with
the current: IEE Regulations,
Building Regulation, Building Standards
(Scotland) (Consolidation), Building Regulations
(Northern Ireland), local water by-laws,
Health & Safety Document 63S (The Electricity at
Work Regulations 1989), IS 813 (Eire) and other
local requirements.
The relevant Standards should be followed,
including:
BS EN 15450: Heating systems in buildings –
Design of heat pump heating systems.
BS EN:12828 : Central heating for domestic
premises.
BS EN 7593 : Treatment of water in domestic hot
water central heating systems.
BS EN 14511 : Requirements heat pumps for
space heating and cooling.
BS EN 378 : Safety and environmental
requirements for heat pumps.
The Health and Safety at Work Act 1974.
The Management of Health and Safety at Work
Regulations 1999.
The Construction (Health, Safety and Welfare)
Regulations 1996.
The Construction (Design and Management)
Regulations 1994.
The Lifting Operations and Lifting Equipment
Regulations 1998.
Where no specific instruction is given, reference
should be made to the relevant codes of Practice.
There have been no banned substances
used in the manufacture of these
appliances.
________________________________________________________________
INDEX
1 GENERAL
.....................................................5
1.1 GENERAL PRECAUTIONS
....................................... 5
1.2 FUNDAMENTAL SAFETY RULES
............................ 5
1.3 DESCRIPTION OF THE APPLIANCE
....................... 6
1.4 IDENTIFICATION
...................................................... 7
1.5 TECHNICAL DATA
................................................... 8
1.6 HYDRAULIC DATA
.................................................. 9
1.7 ACCESSORIES
....................................................... 9
1.7.1 Electric heater
............................................... 9
1.8 HEAT PUMP COOLING CIRCUIT
........................... 10
1.9 ELECTRICAL PANEL AND WIRING
DIAGRAM ...... 10
1.9.1 ARIA 6HP / 8HP Models ............ 10
1.9.2 ARIA 11HP Model ........................... 12
2 INSTALLER
................................................ 13
2.1 CONTROL PANEL
................................................... 13
2.2 ACTIVATION & DEACTIVATION
............................. 15
2.2.1 Heating / Cooling activation
......................... 15
2.2.2 Heating / Cooling deactivation
..................... 16
2.3 OPERATIONS PERFORMED WITH
THE REMOTE ON-OFF “SO” and
SUMMER-WINTER “SEI” SWITCHES
..................................................... 17
2.3.1 Cooling function
............................................ 17
2.3.2 Heating function
............................................ 17
2.4 SHUTDOWN FOR LONG PERIODS
....................... 17
2.5 CLEANING
.............................................................. 17
2.6 MAINTENANCE
....................................................... 17
2.7 USEFUL INFORMATION
......................................... 18
2.8 RECEIVING THE PRODUCT
.................................. 18
2.9 DIMENSIONS WITH PACKAGING
.......................... 18
2.10 DIMENSIONS WITHOUT PACKAGING
.................. 19
2.11 HANDLING AND TRANSPORT
............................... 19
2.12 POSITIONING
......................................................... 20
2.12.1 Fixing position of dampers
............................ 21
2.13 HYDRAULIC CONNECTIONS
................................ 22
2.14 POSITION OF THE FIXINGS
.................................. 24
2.15 ELECTRICAL CONNECTIONS
............................... 24
2.16 OUTSIDE CONNECTIONS AND
ELECTRICAL
POWER CABLE INFEED
........................................ 25
2.17 LOADING AND EMPTYING THE
SYSTEM ............ 27
2.17.2 Loading
......................................................... 27
2.17.2 Emptying
....................................................... 44
3 TECHNICAL SERVICE
............................... 28
3.1 RECOMMENDED OPERATING
CONDITIONS
.......................................................... 28
3.2 LIMIT OPERATING CONDITIONS
.......................... 28
3.3 PREPARATION FOR THE FIRST
STARTING UP
........................................................ 29
3.4 FIRST START-UP
.................................................... 29
3.6 ACTIVATION OF “SO” AND “SEI”
CONTROL ......... 30
3.6.1 Setting the “SO” remote control
.................... 30
1 GENERAL 1 GENERAL
3.6.2 Setting the “SEI” remote control
.................... 30
3.7 ANOMALY SIGNALS
............................................... 30
3.7.1 Manual anomaly reset
................................... 31
3.8 ACTIVATION and DEACTIVATION
OF THE UNIT
..........................................................31
3.9 OPERATIONS PERFORMED BY THE
ON-OFF “SO” AND SUMMER-WINTER
“SEI”
REMOTE SWITCHES
............................................. 33
3.10 DEFROSTING CHECK
............................................ 34
3.11 CONTROLS DURING AND AFTER
THE FIRST
START-UP
............................................................... 34
3.12 LONG TERM SHUTDOWN
..................................... 34
3.13 ROUTINE MAINTENANCE
..................................... 34
3.14 EXTRAORDINARY MAINTENANCE
....................... 34
3.14.1 Loading coolant gas
...................................... 34
3.14.2 Compressor
.................................................. 35
3.15 DISPLAY AND CONTROL
PARAMETERS ............. 35
3.15.1 Main parameters and variable
characteristics ...............................................
35
3.15.2 Access and modification of
parameters ........ 35
3.16 TROUBLESHOOTING
............................................. 36
The following symbols are used in some parts of the booklet:
ATTENTION = for actions that require special precautions and an adequate preparation
FORBIDDEN = for actions that must NOT be carried out
1.1 GENERAL PRECAUTIONS
After removing the packing, check the
integrity and completeness of the contents. If
they do not correspond, contact the Vokera
agency that sold the unit.
Vokera appliances must be installed by
companies that are enabled in accordance with
legislations in force, and on completion of the
work, a declaration of conformity must be given
to the owner certifying that the installation has
been done correctly and in accordance with the
legislation in force and the indications given by
Vokera in the instruction booklet supplied with the
appliance.
These appliances have been built for
heating or climatisation of environments and
must be destined for this use, compatibly with
their performance characteristics.
These units contain R410A refrigerant
gas; take great care not to damage the gas circuit
and the finned battery. If the refrigerant gas
escapes, set the system master switch to
“OFF” and call immediately the Vokera technical
service, or other qualified personnel; do not
intervene personally on the unit.
If the equipment is not used for a long
period, the following operations should be carried
out:
- Turn the system master switch to “OFF”
- Close the water taps
- If there is the risk of freezing, make sure that
anti-freeze liquid has been added, otherwise
empty the system.
This instructions booklet is an integral part
of the unit and consequently must be kept with
care and must ALWAYS accompany the unit,
even when this is transferred to another owner or
user or transferred onto another system. If it gets
damaged or lost, request another copy from the
local Vokera technical service.
The manufacturer accepts no
responsibility, either contractual or extra
contractual, for damage to persons, animals or
property arising from incorrect installation or
adjustment, maintenance or improper use.
Should water leak from the unit, turn the
unit master switch to “OFF” and close the water
taps. Urgently call the Vokera service department
or professionally qualified personnel and under
no circumstances intervene personally on the
unit.
Repair or maintenance interventions must
only be carried out by the Vokera technical service
or personnel qualified according to the provisions
of this manual. Do not modify or tamper with the
unit as this could cause situations of danger and
the manufacturer shall not be responsible for any
damaged caused.
1.2 FUNDAMENTAL SAFETY RULES
The use of products that use of electricity and
water requires the observation of some
fundamental safety rules such as:
Do not open the access flaps to the inner
parts of the unit without first having set the
system master switch to “OFF”.
Do not allow children to operate this unit.
Do not touch the unit if barefoot or with
parts of the body that are wet or humid.
Do not clean the unit without first
disconnecting it from the mains power supply by
switching the system master switch to “OFF”.
Do not modify or adjustment units without
authorisation and the indications of the
manufacturer.
Do not pull out or twist the electric cables
coming out of the unit, even when disconnected
from the mains power supply.
Do not introduce objects or substances
through the aspiration grills or the air outlets
Do not leave the packaging material
within the reach of children as it can be a source
of risk.
Before undertaking any maintenance
intervention on the unit, it is compulsory to cut
“OFF” the mains electrical supply by setting the
double pole master switch on the system to
“OFF”.
Do not spray or tip water directly onto the
unit.
Do not climb onto the unit or rest any
object on it.
1.3 DESCRIPTION OF THE APPLIANCE
The Vokera ARIA heat pumps are available with
single phase power supplies, capable of
producing both hot water for heating and cold
water for cooling domestic, residential
environments and equipped with supplementary
electrical resistances which allow correct
functioning even in the most critical
environmental conditions They are best suited for
under floor heating or low temperature systems.
They use an internal Scroll type rotary
compressor mounted on anti-vibration supports
and located in a special compartment,
electronically controlled variable speed helical
fans that ensure silent high performance. The
user side plate exchanger in AISI 316 stainless
steel is insulated with an anti-condensation
coating and fitted with a flow regulator. The units
are fitted with various safety devices such as
pressure switches, flow gauge, sensors, specific
circuit breakers etc. An electronic device with
microprocessor control manages the operation.
The models are supplied with inertial storage built
into the unit.
Legend fig. 1
1 Electrical panel 8 Expansion valve (winter)
2 Control panel 9 Scroll compressor
3 Thermo magnetic switch 10 Hydraulic kit
4 4 way-valve 11 Pump
5 Dehydrator filter 12 Axial fan
6 Flow switch 13 Electric heater
7 Expansion valve (summer)
1.4 IDENTIFICATION
The Vokera ARIA unit can be identified by:
- Technical plate (fig. 2) It indicates the
technical and performance data of the
unit.
-
The tampering with, removal or
lack of the technical plate or anything
else that makes a certain product
identification impossible will make
correct maintenance or installation
operations more difficult.
1.5 TECHNICAL DATA
DESCRIPTION
Thermal power (1) kW
Absorbed power (1) kW
Thermal power (2) kW
Absorbed power (2) kW
Thermal power (3) kW
Absorbed power (3) kW
Thermal power (4) kW
Absorbed power (4) kW
Thermal power (5) kW
Absorbed power (5) kW
Thermal power (6) kW
Absorbed power (6) kW
Thermal power (7) kW
Absorbed power (7) kW
Thermal power (8) kW
Absorbed power (8) kW
Thermal power (9) kW
Absorbed power (9) kW
6HP
8HP
11HP
Empty
weight
110kg
112kg
164kg
SCRIPTIONODELLO / MODELS
Nominal
water
flow
1.0
m³/h
1.2
m³/h
1.6
m³/h
Diameter
hydraulic
fittings
¾”
¾”
Models
6HP 8HP 11HP
6.8 8.3 11.0
1.74 2.11 2.81
5.9 7.2 9.5
1.78 2.2 2.90
5.0 6.2 8.0
1.79 2.26 2.97
6.6 8.1 10.6
2.14 2.68 3.5
5.6 7.1 9.3
2.16 2.77 3.6
7.5 10.3 13.0
1.8 2.28 2.93
6.9 9.3 11.8
2.0 2.72 3.46
6.0 8.2 10.2
1.76 2.34 3.01
5.3 7.1 9.3
2.04 2.81 3.58
1”
Tank
capacity
16
litres
16
litres
36
litres
Electric
heater
3kW 230~ IP44 1 3.300 m³/h 58db (A) 1.7kg
3kW 230~ IP44 1 3.250 m³/h 58db (A) 1.9kg
6kW 230~ IP44 2 6.500 m³/h 62.8db (A) 2.7kg
(1) outside air d.b. + 7°C / w.b. + 6°C, water 35-30°C.
(2) outside air + 0°C, water 35 - 30°C
(3) outside air - 7°C, water 35 - 30°C
(4) outside air + 7°C, water 45 - 40°C
(5) outside air + 0°C, water 45 - 40°C
(6) outside air + 30°C, water 18 - 23°C
(7) outside air d.b. + 35°C / w.b. +24°C, water 18 -
23°C
(8) outside air + 30°C, water 7 - 12°C
(9) outside air d.b. + 35°C / w.b. +24°C, water 7 -
12°C
Power
voltage
Protection
rating
Axial
fan
Nominal
air flow
Noise
level
Refrigeration
load
1.6 HYDRAULIC DATA
The following diagram (fig. 3) indicates the
residual prevalences with the nominal water flow
± 20%.
1.7 ACCESSORIES
The accessories indicated below must be
ordered separately
ACCESSORIES CODE
Remote control Kit 4014762
Anti-vibration supports Kit 4015360
Snow protection 6HP – 8HP 4014763
Snow protection 11HP - 4014764
Soft Start Kit 4014766
Hot water thermostat kit 4014767
1.5 kW single phase electric heater 4383270
1.7.1 Electric heater
The electric heater is integrated into the heat
pump to ensure continuity of service and is
inserted through a special plug into the storage
tank.
It is enabled to facilitate the compressor during
the start-up phase (it keeps the water at a set
temperature value (e.g. 30°C) and when the
atmospheric conditions become particularly
critical for correct machine operation (continual
frost caused by the low temperature and
excessive humidity).
1.8 HEAT PUMP COOLING CIRCUIT
1 Fan 9 Plate exchanger
2 Finned battery (evaporator) 10 4 way-valve
3 Non-return valve 11 High pressure safety pressure-switch
4 Thermostatic valve (summer cycle) 12 Compressor
5 Thermostatic valve (winter cycle) 13 Liquids container
6 Filter 14 Low pressure safety pressure-switch
7 Fluid indicator 15 Pressure transducer
8 Flow switch 16 Safety valve
1.9 ELECTRIC PANEL AND WIRING
DIAGRAM
1.9.1 ARIA 6HP / 8HP Models
Factory installed components
CM Run condenser
CV1 Fan condenser
KM1 Compressor contactor
KM2 Resistance contactor
MI Control panel
Q1 Master circuit breaker
Q2 Support resistance circuit breaker
C Compressor
F1 Control safety fuse
F2 Pump safety fuse
F3 Resistance safety fuse
Conn.A Input terminal board
Conn.B Loads output terminal board
P Circulator
The units are equipped with an electric panel
consisting of the following components:
PD Flow switch
Tp Safety thermostat
TR Auxiliary circuits transformer
SP3 Pressure transducer
ST1 Temperature probe in exchanger inlet
ST2 Temperature probe in exchanger outlet
ST4 Outside air temperature probe
PA High pressure pressure-switch
PB Low pressure pressure-switch
VIC 4 way-valve
Rp Plate exchanger resistance
Rc Compressor cover resistance
Rs Support resistance
R1 / R2 Rp relay/boiler contact auxiliary relay
V1 Fan
Components to mount on installation (not supplied with the unit)
AL Remote alarm signal (output 12V DC max 20mA)
FL Outside flow switch
SEI Remote SUMMER-WINTER switch
SO Remote ON-OFF switch
1.9.2 ARIA 11HP Model
Factory installed Components
CM Run condenser
CV1/2 Fan condenser
KM1 Compressor contactor
KM2 Resistance contactor
KM3 Pump contactor
MI Control panel
Q1 Master circuit breaker
Q2 Support resistance circuit breaker
C Compressor
F1 Control safety fuse
F2 Pump safety fuse
F3 Resistance safety fuse
Conn.A Inputs terminal board
Conn.B Loads output terminal board
P Pump / Circulator
PD Flow switch
Tp Safety thermostat
TR Auxiliary circuits transformer
SP3 Pressure transducer
ST1 Temperature probe in exchanger inlet
ST2 Temperature probe in exchanger outlet
ST4 Outside temperature probe
PA High pressure pressure-switch
PB Low pressure pressure-switch
VIC 4 way-valve
Rp Plate exchanger resistance
Rc Compressor cover resistance
Rs Support resistance
R1 / R2 Rp relay/boiler contact auxiliary relay
V1/2 Fan
Components to mount on installation (not supplied with the unit)
AL Remote alarm signal (output 12V DC max 20mA)
FL Outside flow switch
SEI Remote SUMMER-WINTER switch
SO Remote ON-OFF switch
2.1 CONTROL PANEL
The control panel can be used to make all the
adjustments necessary for the heat pump
operation and display the values of the main
parameters and the alarms. It is located on the
front panel of the electric panel inside the unit
and is accessible through a flap positioned on the
inspection panel.
Display:
During normal operation it indicates the
temperature of the water returning from the
system.
It can also indicate the value of all the set
parameters and the code of any alarms.
Fig. 15
A
Alarm
B
Mode (Heat, Cool, etc....)
C
Economy (configurable)
D
Clock
E
Unit of measure
F
Navigation in the menu
G
Resources (Compressor, Fans, etc....)
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