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Anleitung Zusammenfassung
Reassemble the access panel/electronic control to the BOILER MATE™. 6. Confirm that the temperature sensor is firmly inserted into the thermostat well. 7. Proceed with the installation. TYPICAL INSTALLATIONFIGURE 1BOILERHEATING ZONESHEATINGSYSTEMRETURNZONE VALVESCONTROLLED BYTHERMOSTATHEATINGCIRCULATORCIRCULATORBOILERMATE™ DRAINVALVETHERMALLOOPDOMESTICHOT WATER VACUUMBREAKERDRAIN VALVEFLOW CHECKVALVETHERM-X-TROL® DOMESTICCOLD WATERSUPPLYPRVSHUT-OFFVALVESHUT-OFFVALVESHUT-OFFVALVEBOILERSUPPLYRELIEF VALVEBLOW-DOWN TUBEBOILERRETURN -6 B. PIPING PIPING SHOULD BE ACCOMPLISHED WITH UNIONS. Step 1 - Locate the BOILER MATE™ near boiler. Step 2 - Connect the cold water piping. a. Shut off the cold water supply at the main shut-off valve. b. Drain existing domestic water system. Open 1 or more system faucets to prevent vacuum. c. When the system is drained, for boilers that have an external or internal tankless heater, disconnect the tankless heater from the domestic hot water piping. EXTERNAL TANKLESS HEATERS Disconnect all the lines to the boiler and plug the boiler tappings. Disconnect the external heater from the domestic system piping and discard appropriately. INTERNAL TANKLESS COILS PREVENT PRESSURE BUILD-UP IN ANY EXISTING INTERNAL TANKLESS COIL. Do not plug incoming or outgoing tappings in the internal tankless coil plate. Leave the coil in the boiler and leave system connections open, to prevent pressure build-up. (Figure 3) FIGURE 2 COLD WATER SUPPLY T & P OUTLET BOILER RETURN BOILER SUPPLY DOMESTIC HOT WATER OUTLET d. Install a shut-off valve in the existing cold water line. e. Run 3/4" or 1/2" tube and fittings from the city main, as required, to the BOILER MATE™ f. If a backflow preventer, pressure reducing valve or check valve is installed anywhere between the BOILER MATE™ and the city main, install a properly sized Therm-X-Trol® pre-pressurized diaphragm-type thermal expansion tank. See the water supplier or local plumbing inspector for more information Step 3 -Connect domestic hot water piping Figure 5. EXPLOSION HAZARD. THE PRESSURE OF THE HEAT TRANSFER MEDIUM MUST BE LIMITED TO A MAXIMUM OF 30 PSIG BY AN APPROVED SAFETY OR RELIEF VALVE ON YOUR BOILER. THE TANK PRESSURE MUST BE LIMITED TO 150 PSIG MAXIMUM BY THE INSTALLATION OF A TEMPERATURE AND PRESSURE RELIEF VALVE (INCLUDED). SCALDING HAZARD: A CHECK VALVE MUST BE INSTALLED IN THE BOILER RETURN LINE TO PREVENT GRAVITY FLOW THROUGH THE HEAT EXCHANGER. THIS CAN CAUSE OVER HEATING AND RESULT IN SERIOUS SCALDING. a. Attach the blow-down tube from the T & P valve outlet. Install the blow-down tube to within 6" of the floor. The blow-down tube should be placed so that it will discharge to a drain with adequate capacity. No reducing couplings, valves, or any other type of restriction is to be installed in this line. The blow-down tube must be installed to allow free and complete drainage of both the valve and the blow-down tube. b. Install a union, shut-off valve and vacuum breaker on the hot water outlet. PLUG HEREDO NOT PLUGINTERNALTANKLESSCOILSEXTERNALTANKLESSHEATERXFIGURE 3 DAMAGE TO THE UNIT AND LEAKAGE CAN OCCUR IF A VACUUM BREAKER IS NOT INSTALLED. c. To minimize piping heat loss during non-draw periods, a thermal trap can be installed in the hot water line as shown in Figure 1. Step 4 - Fill the BOILER MATE™. a. Open a hot water faucet in the house to allow any air in the BOILER MATE™ and in the piping to escape. b. Open the shut-off valve in the cold water line. c. Open the shut-off valve(s) in the hot water supply line. d. When water discharges from the faucet, close it. Check for system leaks and repair if necessary. -7 Step 5 - Connect boiler supply pipe. Figure 1. a. Shut off the cold water supply valve to the boiler, and drain it using a hose attached to the drain valve at the boiler. b. When the boiler system piping is drained, cut the piping to accommodate the supply line tee. Install the tee between the boiler supply outlet and any system zone valve or flow check. c. Connect the circulator flange and mount the circulator to the boiler supply. Be sure the flow arrow points towards the BOILER MATE™. Mount the second flange to the circulator. d. Connect a 3/4" NPTM to a 3/4" sweat adapter to the second circulator flange. e. Using short lengths of tubing, connect the 3/4"shutoff valve. f. Run the 3/4"copper tubing with necessary fittings to the point of connection to the boiler supply tee. Step 6 -Connect boiler return pipe. Figure 1. a. Connect the 3/4" NPT, boiler return fitting and connect the drain valve and union. b. Sweat a short length of tubing to the adapter and connect the weighted check valve with the flow towards the boiler (preventing flow towards the BOILER MATE™). Failure to do so will result in the BOILER MATE™ overheating. c. Run the 3/4" tubing and fittings as required to the point of connection to the boiler return. NOTE: This point must be between the boiler return tapping and any system circulator(s). Failure to do so wi...
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