2.13.1.3 Check that the end of the tube is free from burrs and sharp edges or damage will occur to the O-Ring in the push-fit fitting.

2.13.1.4 Allow 27mm of pipe for insertion into the fitting plus 10mm of pipe to allow use of a disconnecting tool.

2.13.1.5 Insert the tube through the release collar of the fitting to rest against the grab ring.

2.13.1.6 Push the tube in firmly until it reaches the tube stop with a positive 'click'.

3 COLD MAINS SUPPLY.

3.1 The Cold Mains supply should not exceed 5 bar pressure, or a flow rate of 30 litres per minute.

3.2 IMPORTANT: A Mains Isolating Valve must be fitted onto the incoming mains within the cylinder cupboard within clear view of the house-holder.

3.3 IMPORTANT: A Y-Pattern Strainer (supplied loose) must be fitted onto the incoming mains. The Y-Pattern Strainer should be fitted down-flow of the Isolating Valve in a position to enable servicing.

3.4 In areas of hard water it is recommended that a In-Line Scale Inhibitor be fitted on the incoming mains supply, and installed as per manufacturers instructions.

3.5 In areas where hard water is known to be a problem, it is recommended that an Electronic Scale Inhibitor be fitted on the incoming mains supply. Details available upon request

4 CONNECTIONS TO Heat Bank Thermal Store.

4.1 Cold Mains In.

4.2 Hot Water Out.

4.3 Flow from Boiler.

4.4 Return to Boiler

4.5 Flow to Heating Circuit

4.6 Overflow, 22mm Copper  IMPORTANT:  PLASTIC PIPE SHOULD NOT BE USED.

4.7 Primary Pressure Relief, should be fitted to provide a visible warning of discharge.

5 WIRING

5.1 All cable should be Heat Resistant, and suitable for 230V 50Hz supply.