Installation- and user’s manual E|S Expansion Tanks with Wall Bracket kit type ETW12-PRV-PM-AV og ETW18-PRV-PM-AV Article no. 120131 and 120132 Please read this manual carefully before installing and taking the product into use. Content Introduction 1.1 1.2 1.3 1.4 General information Precautions Maintenance Warranties 2. Installation 2.1 Component list 2.2 Location 2.3 Connections ________________________________________________________________________ 1. Introduction 1.1 General information Congratulations with your choice of an E|S Expansion Tank with Wall Bracket kit. The product is developed for installation in water borne heating systems and collector circuits for ground source heat pumps. Maximum internal pressure and water temperature is 3 bars and 85 degrees C water temperature. The bracket is equipped with a safety valve kit containing; automatic air purging valve, pressure meter and safety release valve with 2,5 bars release pressure. The E|S Expansion Tanks are either 12 or 18 liters volume and are pre pressurized with 2 bars. It is the installer’s responsibility to calculate the correct expansion volume according to the heating systems water volume and temperature, in accordance to the industry standards, and check that the air pressure of the expansion tank is correct. Please read this manual in its entirety before installing and make use of the product. The products specification can be updated without prior notice. Please refer to the information on the products technical label for your product specifications. 1.2 Precautions Installation, removal and maintenance must only be carried out by qualified personnel. There can’t be done any structural changes on the product. There is risk of product damages and/or person injury. This product can only be used as expansion in water borne heating systems with temperatures up to 85 degrees and maximum internal pressure of 2,5 bars. It is the installer’s responsibility to calculate the correct volume of the expansion tank in accordance to the systems water volume and temperature, and the industry standards. It is the installer’s responsibility to check that the air pressure in the expansion tank is in accordance to the heating system internal pressure. NOTE 1! The expansion tank is delivered with a ball valve which makes service and maintenance of the expansion tank easier, without emptying the system. The ball valve should only be operated by a qualified installer, and the ball valve lever must be disconnected from the ball valve after installation. This is to avoid accidental operation of the ball valve, leaving the water system without expansion. NOTE 2! There must be installed a drainage pipe from the pressure release valve down to floor level in a room with floor drainage. 1.3 Maintenance Expansion tanks should be checked and controlled on a regular basis, and minimum in accordance with local industry standards for heating systems. The control should include checking the pressurization in the expansion tank. If there are damages in the expansion and it is not fixed, there is a risk of leakage and system damage. Secondary damages caused by product failure or lack of maintenance are not covered by the product warranty. 1.4 Warranty. On this product there is 3 years warranty against production or manufacturing failures. 2. Installation 2.1 Component list Before you start the installation, please check that all components listed are included in the box. Description Qty Specification Description Safety valve kit 1 ≤ 3,0 bar Ball valve 1 G3/4'' Stainless steel coil 1 80 cm 2.2 Qty Specification Wall bracket 1 G3/4''-G1'' Expansion tank 12/18 liter 1 G3/4'' Location Find a suitable location for the wall bracket and expansion tank. Take into consideration that the expansion tank must be available for service issues and disconnection. Normally the bracket is placed a little bit higher than the top level of the accumulating water tank. There is 2 pieces 6 mm expansion bolts for concrete included. For other materials please use other suitable mounting hardware. Place the wall bracket on the wall and mark where the holes must be drilled. Drill the holes. Place the expansion bolts in the holes. Refer to figure 1, 2 and 3. 2. Installation 2.3 Connection Apply sealant tape or similar on all male treads on the wall bracket and expansion tank in accordance to the industry standards. Refer to figure 1, 2 and 3. Mount the wall bracket on to the expansion bolts and tighten the nuts. The bracket holes are oval, so the bracket can be adjusted to perfect vertical position. Refer to figure 4. Screw the ball valve on to the expansion tank and tighten it in accordance to the industry standard. Fix the expansion tank with the ball valve on to the wall brackets outer connection point so the expansion tank is «hanging» from the bracket. Tighten it with a wrench in accordance to the industry standards. Refer to figure 1, 2 and 3. 2. Installation 2.3 Connection Screw the safety kit with the air purging valve, pressure meter and pressure release valve, on to the 1 inch connector on the upper side of the bracket. Tighten it with a wrench in accordance to the industry standards. Refer to figure 1. Straiten the stainless steel coil and screw it on to the wall brackets inner connector. Connect the lose end of the stainless steel coil to a ¾ inch male connector on the water tank. Tighten all connections in accordance to the industry standards. Refer to figure 1, 2 and 3. After the installation is completed, the air pressure in the expansion tank is to be checked and if necessary adjusted to the correct pressure. The ball valve must be set in open position. Refer to figure 1 and 2. Now the system can be filled and pressurized. Check all connectors for leakages after the system is filled and pressurized. NOTE! After the installation is finished, the ball valve lever must be in open position. Then the ball valve lever must be disconnected from the ball valve, making accidental closing of the ball valve impossible. Danger of overpressure and leakages.