iHeat Roof Mount Solar Hot Water Systems Panduan Instalasi - Halaman 4

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SECTION 1

Pressure Temperature Relief Valve (PTR)

An 850kPa and 99°C PTR valve is used on the iHeat water tank, which is located on the side of the

water tank and is essential for its safe operation. The PTR valve is designed to allow 3-5% of total tank

volume to discharge during heating to allow for hot water expansion. We recommend you operate

the easing knob or lever on the PTR valve once every 6 months. It is important you rotate the knob or

lift the lever gently and don't let the valve snap back to its seat as this can cause damage to seat and

potential leakage.

Standards and regulatory Requirements

All iHeat solar hot water systems must be installed by an authorized plumber. All installation work

must meet local authority standards, Australian standard (AS 3500.4) and the National Plumbing Code

along with local electrical regulations. Where required, the relevant electrical and plumbing work will

need to be certified to the satisfaction of local regulatory authorities.

Solar Hot Water Storage Tank

To obtain maximum performance the solar tank/system should be positioned as close as practical to

the most used hot water outlets. This will reduce the amount of "lag time" which is the amount of cold

water discharged through the outlet before the hot water reaches the outlet.

Frost Protection

iHeat's 'Close Coupled' open loop systems are designed to be installed with a Frost Protection Valve

in areas subject to freezing conditions. iHeat's close coupled systems have been tested to level 2 -

severe frost condition according to AS/NZS 2712:2007 Appendix E with the use of an approved Frost

Protection Valve. Warranty will not apply to frost damage collectors if the Frost Valve is determined to

be faulty for any reason, including valve failure except within the first 12 months.

Going away on holidays?

If the water heater is left unused for two weeks or more, a small quantity of hydrogen gas (which

is HIGHLY flammable) may accumulate in the top water cylinder. To dissipate this gas safely it is

recommended that a sink or bath hot tap be turned on to dispel a couple of litres of water. During

this procedure there should be no smoking, open flames or any electrical appliances such as washing

machines or dish washers operating nearby. If Hydrogen is discharged through the tap, it will make a

sound like air escaping.

Health & Safety

Solar hot water systems can be heavy so always use approved lifting devices when installing solar

hot water systems at heights. All workplace health and safety regulation must be adhered to by the

installer. iHeat Pty Ltd will not be held responsible for any damage to person or property that results

during the installation or subsequent use of this solar collector and related components.

1300 829 118

Installation Manual - Roof Mount Solar Hot Water - August 2017

i-heat.com.au