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18 USER INSTRUCTIONS
18.1
USER INSTRUCTIONS
These instructions are intended to assist the user with the
operation of a Grant Aerona 290 air source heat pump. Full details
on the Installation, Commissioning and Servicing of the heat pump
are contained in these Installation and Operating Instructions.
This appliance can be used by children aged from 8 years and
above and persons with reduced physical, sensory or mental
capabilities or lack of experience and knowledge if they have
been given supervision or instruction concerning use of the
appliance in a safe way and understand the hazards involved.
Children shall not play with the appliance.
Cleaning and user maintenance shall not be made by children
without supervision.
18.2
ABOUT YOUR HEAT PUMP
Your Grant Aerona 290 air source heat pump is a highly efficient
and fully automatic unit that extracts heat energy from the outside
air to heat your home.
The Grant Aerona 290 is an 'air to water' heat pump. In operation,
the fan (or fans) draws air through the finned coil evaporating the
refrigerant in the heat pump. This refrigerant is then compressed
to increase its heat energy before it passes through a heat
exchanger transferring that heat energy to the water of your
heating system.
Your Grant heat pump is designed to work at lower operating
temperatures than traditional oil or gas fired boilers. Radiators
will therefore feel cooler to the touch, but this should not cause
a problem with the heating of your house. The system will have
been designed to work at these lower temperatures and the
heat pump will be set to ensure the correct comfort levels are
maintained.
Underfloor heating systems will require a longer pre-heat period to
bring the floor up to operating temperature.
The heat pump has been designed to be as efficient as possible
and will operate at a 'set point' temperature depending on
conditions inside and outside of your house. Due to this, your
radiators will be warmer some days and cooler others. This is
normal and the heat pump is working correctly.
18.3
AERONA SMART CONTROLLER
Your heat pump will be fitted with a Grant Aerona Smart
Controller. This will be electrically connected to the heat pump
outside, but will be located in a convenient position within your
home.
The principle functions of the Grant Aerona Smart Controller are:
•
To enable the heat pump operating parameters to be
accessed and adjusted as required by the heat pump
installer.
•
To manage installed system devices where appropriate for
DHW priority, Anti-Legionella protection & supplementary
heating.
•
To provide simple to use heating and hot water scheduling.
•
To provide both the user and installer remote access to the
controller for remote control & diagnostics via ecoNET24.
The heat pump is supplied with the operating parameters set to
the factory default values. However, these parameter settings
should have been checked by the installer when the heat pump
was commissioned and adjusted where necessary to ensure they
are correctly set to suit your particular installation.
These heat pump operating parameters should NOT then be
altered other than by either the installer or a Grant Service
Engineer if and when necessary.
The Smart Controller touchscreen will display both the outside air
temperature and inside air temperature (for the area where the
remote controller is located) and, if configured, will perform real
time adjustments to the heat pump output temperatures
Page 68
For further information on the operation and configuration of user
settings, refer to Section 7 of your supplied manual:
•
DOC 0203 - for systems without Grant QR pre-plumbed
cylinder
•
DOC 0205 - for systems with Grant QR Smart pre-plumbed
cylinder
18.4
POWERING HEAT PUMP ON/OFF
18.4.1
POWERING HEAT PUMP ON FROM YOUR
CONTROLLER
To switch the heat pump ON:
1.
First, check the power supply to the heat pump is switch ON
at the weatherproof isolator. This is usually located outside
next to the heat pump.
2.
Check the Aerona Smart is also powered ON.
For further information on the powering on the Smart
controller, refer to your supplied manual:
•
DOC 0203 - for systems without Grant QR pre-plumbed
cylinder
•
DOC 0205 - for systems with Grant QR Smart pre-
plumbed cylinder
3.
Tap the 'Heat pump schematic' from the touchscreen display.
Refer to Figure 18-1.
!
NET
21
A
Ground Floor
Figure 18-1: accessing HP
4.
Tap the 'work mode' icon on the touchscreen display. Refer to
Figure 18-2.
0rpm
Off
Figure 18-2: access Heat pump work mode
5.
Tap 'ON'. If you tap 'SCHEDULE' the heat pump will be ON/
OFF based on the schedule which can be set. Refer to Table
18-1.
20.5°C
°
C
.7
19.0°C
19.0°C
20,5°C
OFF
39ºC
39ºC
OFF
OFF
0Hz
Pump heating
Heat Pump
Section 18: User Instructions
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