3116. DimensionsG(1 1/4"-2")(1 1/4"-2")Unit No.6 Unit No.2UnitNo.1System ControllerSystem Select ConnectorHot Water Pipe* Do not connect tothe connector.* Disconnect thisconnectoron units 2-6 alsoGas pipeCold Water Supply PipeRemote ControllerDisconnect this ConnectorDisconnect for system controller17. Multi-SystemA. Installation without a recirculation system• Insulate or apply heating materials to both the cold water supply piping and the hot water piping toprevent freezing during cold weather and to prevent heat loss through the piping.Install one system controller(SC-201-6M) for every six units.[inch]5.9" 9.2"18.4"17.6"24.4" LED17.7"23.1"3.1"0.4" 9.4"5.1"1.1"0.4"2.8"2.4"4.3"3.9"8.4"5.3"2.8"10.0"6.1"3.9"6.1"10.4"13.7"4.7"(120VAC)26.2"1.4"2.8"3.9"5.5"1.4"2.8"3.9"5.5"6.7"1.6"4- 0.5"6- 0.24 x 0.4" OBLONG HOLE6.7"HEIGHT OF EACH FITTING FROM BOTTOM OF CASENCC199-DVWATER OUTLET 0.9"HOT WATER OUTLET 1.7"COLD WATER INLET 2.2"GAS INLET 2.2"4"4"AIR INLET FLUE COLLARWIRING THOROUGHWAYWATER OUTLETWATER DRAIN VALVEHOT WATER OUTLETWATER DRAIN VALVECOLD WATER INLETWATER DRAIN VALVE(WATER FILTER)WIRING THOROUGHWAYGAS INLETWATER DRAIN VALVEWIRING THOROUGHWAY(120VAC)WIRING THOROUGHWAYWATER OUTLET(1/2")HOT WATER OUTLET(3/4")WIRING THOROUGHWAYGAS INLET(3/4")WIRING THOROUGHWAYCOLD WATER INLET(3/4")(VIEW FROM TOP)4- 0.5"6- 0.24 x 0.4" OBLONG HOLE