Please refer to this quick installation guide to ensure correct Installation:
- Paloma Water Heaters must be installed with 48kg cylinders (coastal applications where 48kg cylinders cannot be used, 19kg cylinders may work for Paloma 20l/m units ONLY – gas pipe size must be increased to achieve sufficient gas volume)
- 12:16 PEX pipe should not be used EXCEPT where High Pressure-Low Pressure gas installation has been specified and correctly calculated, minimum ¾” gas supply required (pipe charts to be consulted). If HP-LP system installed, minimum 600mm length of ¾” pipe to be used from LP regulator to unit.
- Good quality outdoor vented regulator to be installed. We recommend 10kg/hr or MEC 2-stage regulators
- Installers must have a gas gauge to test and set regulator on gas system. Static approx.3,0kpa, operating pressure 2.7kpa (LPG units)
- Borehole water can cause damage to Gas Water Heaters. Proper testing/filtration/water softener system must be installed and monitored. Borehole water minerals can cause accumulation of lime-scale in heat exchanger. Regular flushing should take place to avoid rupture of heat exchanger (NB – warranty invalidated when used on borehole or rainwater systems)
- Unit should be positioned to ensure efficient delivery of hot water to taps
- Position to comply with gas regulations
- Unit must be located outdoors in a well ventilated area, no obstruction of flue exit within 1,5m
- Air intake at bottom of unit must be clear from obstruction and in area where little dust etc. can enter unit
LPG Gas Installations
- 48kg cylinders to be used (coastal applications 19kg cylinders may be used for Paloma 20l/m units but gas pipe size must be increased to ensure good gas volume is achieved)
- Minimum ¾” (DN20) Gas piping from regulator to cylinders (pipe charts to be consulted)
- 12:16 PEX pipe should NOT be used EXCEPT where High Pressure-Low Pressure gas installation has been specified and correctly calculated, minimum ¾” gas supply required (pipe charts to be consulted)
- Check static and operating pressures as outlined above.
Natural Gas Installations
- Minimum ¾” (DN20) gas supply line to unit, fed from same or larger gas pipe
- Check static and operating pressures as outlined above
- 80kpa minimum to 600kpa maximum water pressure to be supplied to unit
- Recommended ¾” (DN20) water piping. n.b. – ½” (DN15) is sufficient where good water pressure is supplied.
- It is recommended that a non-Return valve be installed on the hot water outlet of the unit
- A water shut-off valve must be installed on the cold water inlet, recommended use of conex fittings onto unit
- For solar-boost or circulating systems, return water of not more than 75 degrees C should enter the Paloma unit, no controllers to be connected
- All filters, including tap filters should be cleaned regularly for optimal performance. An in-line strainer should be fitted to the cold water supply pipe.
- Cold water supply should be as direct from source as possible and balanced pressure where able. This is to eliminate supply pressure reduction on Paloma units when using other non-hot water outlets
FOR FURTHER DETAILED INSTRUCTIONS PLEASE REFER TO USER MANUAL INCLUDED WITH UNIT