Section 4: System Hydraulics Page 11
! NOTE !
This system schematic should be read in conjunction with the Grant
Aerona Smart Control installation instructions and wiring diagram
HPCS-P001E.
7
13
14
! NOTE !
Please refer to the Aerona³ ASHP installation instructions for details
of the flow and return connections at the heat pump.
6
12
11
24
10
16
17
18
19
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22
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25
The siting of room thermostats is
critical to ensure satisfactory
performance of the heating system.
Refer to the Aerona³ heat pump
installation instructions for more
information.
Grant Sealed System Kit
Aerona³ ASHP
Flexible hose¹
Isolation valve¹
Grant External Volumiser²
Anti-Vibration Mounts²
Flow sensor¹
Grant Mag One magnetic filter kit²
Wiring Centre Smart Controls¹
Touch Screen Display¹
Room thermostat - HPIDSMARTHRT (optional)
Motorized 2-Port valve (DHW)
Automatic air vent
Cylinder immersion heater
DHW cylinder
Immersion heater relay²
Drain point²
Removable filling loop²
Double check valve²
Pressure gauge²
Expansion vessel²
Tundish²
Pressure relief valve²
Automatic bypass²
Thermostatic Radiator valve
Motorized 2-Port valve (Radiator circuit)
Motorized 2-Port valve (UFH circuit)
Thermostatic mixing valve
UFH mixing set pump
UFH manifold
*Outputs available: 6, 10, 13 & 17 kW
Supplied with the HPIDR32SMART* Smart Controller Kit
Supplied with HPIDR32PACKP
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Item Description
3
2
3
1
4
**
***
5
15
IMPORTANT
For positions of the Flow (outlet) and Return (inlet)
connections on HPID10R32, HPID13R32 and
HPID17R32 models, see above.
F
R
3
2
3
1
2
4
5
IMPORTANT
The below diagram shows the Flow (outlet) and
Return (inlet) connection positions for HPID6R32
models ONLY.
23
Automatic bypass
required unless there is
an open radiator on the
radiator circuit (such as
a towel rail).
**Compression elbow c/w air vent
(supplied with HPIDVOL30EXT6)
9
26
28
29
27
3
3
Close couple tees to be
situated as close together
as possible and no more
than 4 pipe diameters.
8
! NOTE !
***30L external volumiser or low loss header are available as an
optional component where there is insufficient system volume or
where hydraulic separation is required (HPIDVOLEXT30/HPIDSYSLLHKIT).
4.4 HYDRAULIC CONNECTIONS - PACK P
Grant UK Drawing Number: HPCS-P001S
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