Condensing - Grant UK

SAP 2009Pro Efficiency . . .89.5 - 91.6% GrossGrant Vortex Pro Internal Combi ModelsGrant Vortex Pro External Combi ModulesVTXCOMBI21VTXCOMBI26VTXOMCOMBI21VTXOMCOMBI26VTXCOMBI36VTXOMCOMBI36Optional TimerKit PositionHeating and hotwater selectorswitchesBoiler ON/OFFSwitchElectronic BoilerThermostatNeon DiagnosticIndicatorsSystem PressureGaugeOverheatthermostatExpansionVessel (Sizevaries withmodel)Nickel platedpipes35 Plate HeatExchangerElectricalIsolationPlugServiceSwitchNeon DiagnosticIndicatorsBoiler ON/OFFSwitchElectronic boilerthermostatOverheatthermostatBuilt-insystempressuregaugeInternalCondensatetrap (factory-fittedin rear of casing)not shownExpansion Vessel(Size varies withmodel)InternalCondensatetrap (withexternaloption)Model shownVTXCOMBI26 (front view)Front ServiceAccessThermostaticblending valvePump (hotwater circuit)Flexible fillingloopPrimary StoreDrain CockRiello RDBburnerNickel platedpipesThermostaticblending valveFlexible fillingloopPump (hotwater circuit)Riello RDBburnerModel shownVTXOMCOMBI26 (front view)Technical specifications - Boiler ConnectionsModelPro InternalCombi ModelsPro ExternalCombi Models21 26 36 21 26 36Vortex Pro CombiTimer OptionsOutput kW 21 26 36 21 26 36Output Btu/h 70,000 90,000 123,000 70,000 90,000 123,000Flow connection 22mm 22mm 28mm 22mm 22mm 28mmOptional Grant MT KitSingle-Channel Mechanical TimerReturn connection 22mm 22mm 28mm 22mm 22mm 28mmCold water in 15mm 15mm 22mm 15mm 15mm 22mmHot water out 15mm 15mm 22mm 15mm 15mm 22mmPressure relief 15mm 15mm 15mm 15mm 15mm 15mmCondensate pipe21.5mm OD plastic overflow pipeNOTE 1: All boiler connections can be positioned to the left or right of the appliance.NOTE 2: Grant Vortex Pro Internal and External Condensing Combis are suitable for fully pumped systems only.Optional Grant RFT Kit. Wireless Twin-ChannelProgrammable ThermostatNOTE: It is also possible to control Grant Vortex ProCombi’s with the optional twin channel programmer(ES Kit - see page 5)15T: 01380 736920 W: WWW.GRANTUK.COM 1515