3. Each model is offered as part of System Packs containing heat pump, auxiliary 5KW electric heater,
flexible hoses, programmable room thermostat and outdoor sensor. The systems are purpose designed to
optimise comfort and efficiency. Room and outdoor temperature compensation is used to optimise flow
and return temperatures. The system also intelligently controls any operation of the 5kW electric heater
during defrost or extreme low outdoor temperature. Defrost is achieved efficiently by reverse cycle at the
refrigerator circuit.
4. IMPORTANT: Accurate sizing of the radiators is the responsibility of the installer. Please size
correctly for the lower average system temperature. Please do not oversize as this can lead to overheating
problems.
5. Baxi recommends that a high quality, low energy circulating pump is used in conjunction with this
system.
6. These units are 230V 50Hz single phase appliances. Before carrying out any operation, check that the
voltage indicated on the unit corresponds to the mains voltage.
7. This heat pump is intended solely for the heating of premises.
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8. A 100 amp incoming fuse to the property is recommended for installation. A current limiter is available
for applications where a 100 amp fuse is not available. Please refer to Section 4.0 for further details.
9. Certain applications may require the use of a relay box. Please refer to the Section 4.0 for further
details.
10. A buffer vessel may also be required. Please refer to Section 3.7 for details.
11. This unit is CE marked. However, a risk assessment MUST be carried out prior to installation
regarding access to the unit. Consideration should be given to safety (moving parts, electrical cable,
pipework, etc.) and security (vandalism, theft) with respect to the household and neighbourhood. Please
refer to Health and Safety Information Section for details of risk assessments.
12. Wall mounting brackets are available for this unit. Please see the accessories list for details.
NOTE: When considering wall mounting as a siting option please refer to the warranty terms and conditions
regarding servicing, maintenance and repair of the unit prior to doing so.
13. Noise level should also be considered when siting the unit. Your Local Authority may enforce a
maximum permissible noise level, measured at neighbouring properties. For information on calculation
maximum or permissible noise levels, please call Baxi on 0844 871 1568.
14. The anti-vibration pads and in-line strainer are supplied inside the heat pump front panel. Please
remove this installation kit prior to commencing work. Please refer to Fig. 2 for access to the kit.
15. A Dirt Separator is available as an accessory for this unit. This must be fitted on any water circuit
where radiators are used. Please refer to Figs. 6 and 7 (Section 3.5 and 3.6) for details. Failure to fit this
filter will affect your warranty.
