Technical data

2
Contents Page
Section Description Page
1
....................... Notes sheet ..................................................................................
4
2....................... Safety Information ........................................................................ 5
2.1........................... Access ...................................................................................................................... 5
2.2........................... Lighting .................................................................................................................... 5
2.3........................... Tools and consumables ........................................................................................... 5
2.4........................... Handling ................................................................................................................... 5
2.5........................... Residual hazards ...................................................................................................... 5
2.6........................... Freezing ................................................................................................................... 5
2.7........................... Disposal/decommissioning ...................................................................................... 5
3....................... General product information ........................................................ 6
3.1........................... Equipment delivery and handling ............................................................................ 6
3.2........................... Vent-Axia Compact technical data .......................................................................... 7
4....................... Installation.................................................................................... 8
4.1........................... The Golden Rules of installing a heat pump ............................................................ 8
4.2 .......................... Underfloor heating schematics ............................................................................... 8
4.2.1........................ Underfloor with a single manifold. Space heating only ........................................... 9
4.2.2........................ Underfloor with multiple manifolds. Space heating only ........................................ 9
4.3........................... Radiators. Space heating only ................................................................................. 10
4.4........................... Domestic Hot Water - Schematic ............................................................................ 10
4.4.1........................ Type of DHW tank ................................................................................................... 11
4.4.2........................ DHW tank size ......................................................................................................... 11
4.4.3........................ Immersion heater .................................................................................................... 11
4.4.4........................ Three Port Diverting Valve ...................................................................................... 11
4.4.5........................ Tank Thermostat ...................................................................................................... 11
4.4.6........................ DHW Timeclock ....................................................................................................... 11
4.5........................... Mechanical Installation ........................................................................................... 14
4.5.1........................ Locating the Heat Pump .......................................................................................... 14
4.5.2........................ Recommended Clearances ...................................................................................... 14
4.5.3........................ Installation of the heat pump .................................................................................. 15
4.6........................... Electrical Installation ............................................................................................... 17
4.6.1........................ Single Phase ............................................................................................................. 18
4.6.1.1..................... Single Underfloor Control Unit ................................................................................ 18
4.6.1.2 .................... Multiple Underfloor Control Units .......................................................................... 19
4.6.1.3..................... Radiator with Thermostat ....................................................................................... 19
4.6.2........................ Three Phase Power Supplies .................................................................................... 20
4.6.3........................ DHW time clock and 3 way diverting valve wiring .................................................. 20
4.6.4........................ Weather Compensation (Optional) ......................................................................... 21