Section 5: Operation
Page 13
5 OPERATION
5.1 GENERAL
Before starting to commission the installation, including the
Aerona³ air source heat pump, must be completed as detailed in
Sections 3 and 4 of these instructions.
! NOTE !
In order to commission the installation, the following
information must be used in conjunction with the Aerona³
installation instructions supplied with the heat pump.
5.2
AERONA³ HEAT PUMP PARAMETER
SETTINGS
Switch on the power to the heat pump, via the external isolator.
Press and hold the ON/OFF button on the heat pump remote
controller for three seconds to turn the heat pump on –
refer to
Aerona³ installation instructions Section 9.1.
Set the day and time on the heat pump remote controller –
refer to
Aerona³ installation instructions Section 9.2
Access the heat pump parameter setting menus via the heat
pump remote controller –
refer to Aerona³ installation instructions
Section 9.3
If the factory-fitted electric immersion heater is to be used as
a back-up heater refer to Section 5.3 for the correct parameter
settings.
If a second Grant Aerona³ heat pump is to be used, refer to
Section 5.5 for the correct parameter settings for the operation of
a supplementary heat pump
5.3
PARAMETER SETTINGS FOR SUPPLEMENTARY IMMERSION HEATER OPERATION
Set the parameters as detailed in the table below.
Table 5-1:
Aerona³ heat pump p
arameter settings for supplementary immersion heater operation
Level
Parameter
Function description
Display and input value
Group
Code
Default
Min.
Max.
Setting
I
46 00
Backup heater type of function
0 = disable
1 = Replacement mode
2 = Emergency mode
3 = Supplementary mode
0
0
3
3
I
46 01
Manual water set point
50°C
40
55
55
I
46 04
Heater activation delay time
5 mins
0
900
0
I
46 05
Integration time for starting heaters
600
0
900
0
I
46 13
Outdoor air temp to enable backup
heaters (supplemantary mode)
5.0°C
-20.0
+20
5
I
46 14
Outdoor air hysteresis to disable
Backup heaters
5.0°C
0.5
10.0
2
I
51 46
Terminal 46: DHW electric heater or
Backup heater
0 = DHW electric heater
1 = Backup heater
0 or 1
0
1
1
! NOTE !
Refer to the Aerona³ installation instructions, supplied with
the heat pump, for further details on how to access and
adjust the above heat pump parameters.
