Section 4: System Hydraulics Page 13
! NOTE !
This system schematic should be read in conjunction with the Grant
Aerona Smart Control installation instructions and wiring diagram
HPCS-R001E.
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13
! NOTE !
Please refer to the Aerona ASHP installation instructions for details
of the flow and return connections at the heat pump.
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Grant Sealed System Kit
Aerona ASHP
Flexible hose¹
Isolation valve¹
Grant External Volumiser***
Anti-Vibration Mounts²
Flow Sensor¹
Grant Mag One magnetic filter²
Wiring Centre¹
Touch Screen Display¹
Room thermostat
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 system bypass
Motorized 2-Port valve (Upstairs - Radiators)
Thermostatic Radiator Valve
3-Port diverter valve²
Motorized 2-Port valve (UFH - Downstairs)
Thermostatic Mixing Valve
UFH Pump
UFH Manifold
Isolation valve
* Outputs available: 6, 10, 13 & 17 kW
¹ Supplied with the HPIDR32SMART* Smart Controller Kit
² Supplied with HPIDR32PACKR
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Item Description
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**
***
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IMPORTANT
For positions of the Flow (outlet) and Return (inlet)
connections on HPID10R32, HPID13R32 and
HPID17R32 models, see above.
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R
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IMPORTANT
The below diagram shows the Flow (outlet) and
Return (inlet) connection positions for HPID6R32
models ONLY.
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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)
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Close couple tees to be
situated as close together
as possible and no more
than 4 pipe diameters.
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Port A
Port B
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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.
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30 30
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! 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).
4.6 HYDRAULIC CONNECTIONS - PACK R
Grant UK Drawing Number: HPCS-R001S
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