Direct Vent Tankless Water Heater - Alpine Home Air Products

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Flue Installation (R98LSi, R98LSi-ASME)Horizontal with Concentric TerminationSLOPE INTAKE AND EXHAUSTTOWARD OUTSIDE TERMINATIONMINIMUM 1/4" PER FOOTVertical TerminationsThe air intake requires a return bend or two 90º elbows to prevent entry of rain.The vent termination and air intake must be in the same pressure zone.34 VB Series Indoor LS Manual
Connecting Multiple Water HeatersThe EZConnect cable is an optional accessorythat connects 2 water heaters and allows them tofunction as one hot water source.The MSA-2M and MSA-2S packs are optionalaccessories that connect 2 to 5 water heatersand allow them to function as one hot watersource.Refer to the instructions that come with theaccessory for complete installation information.Number ofConnectedAccessories Necessary:Water Heaters:2 (1) EZConnect Cable or (1) MSA-2M3 (1) MSA-2M and (1) MSA-2S4 (1) MSA-2M and (2) MSA-2S5 (1) MSA-2M and (3) MSA-2SGuidelines• Do not install both the EZConnect and theMSA packs because they are not designed tooperate together.• Water heaters connected with theEZConnect Cable or the MSA-2M and MSA-2S packs cannot be used for the bath fillfunction.• Water heaters should be installed less than 18inches apart so that the cables will reachbetween units and to prevent temperaturefluctuations (cold water sandwich effect) whenthe water is shut off and turned back on.• Temperature settings can only be changed onthe controller for the primary unit. (Thischanges the temperature on all units within theMSA or EZConnect system.)Activation Options for EZConnectOne unit in standby allows for quicker activation time withflow rates within the capacity of a single unit.Two units in standby allows for quicker delivery temperaturefor flow rates requiring both units.Applicable for the R75LS and R94LS models only.ModelR75LS,R94LSNumber of unitsin standbyPosition of switch No. 5 inbank of 6 switches1 ON2 OFF (default)High Altitude InstallationsSet switches 2 and 3 to the values shown in tablebelow for your altitude. The default setting for theappliance is 0-2000 ft (0-610 m) with switches No. 2and No. 3 in the OFF position.WARNINGDO NOT adjust the otherswitches unless specificallyinstructed to do so.0-2000 ft(0-610 m)2001-5200 ft(610-1585 m)5201-7700 ft(1585-2347 m)7701-10200 ft(2347-3109 m)Switch No. 2 OFF OFF ON ONSwitch No. 3 OFF ON OFF ONSwitch No.Switch No.Switch No.Switch No.OFFON12345678OFFON12345678OFFON12345678OFFON12345678VB Series Indoor LS Manual 35
Page 1 and 2: Direct Vent Tankless Water HeaterOp
Page 3 and 4: SpecificationsModel R75LSi R94LSi R
Page 5 and 6: Operating InstructionsThe MC-91 tem
Page 7 and 8: Temperature Controllers - ModelsDim
Page 9 and 10: Temperature Controller Settings* Re
Page 11 and 12: Using the Water Smart / Bath Fill F
Page 13 and 14: Error CodesThe Rinnai water heater
Page 15 and 16: Trouble Shooting for Common IssuesI
Page 17 and 18: Only properly trained and qualified
Page 19 and 20: Electrical ConnectionThe water heat
Page 21 and 22: Water PipingGeneral Instructions•
Page 23 and 24: Freeze Protection PipingNOTICEWarra
Page 25 and 26: Recommended Piping for Circulation
Page 27 and 28: Venting InstructionsIntake / Exhaus
Page 29 and 30: Vent ProductsListed and Tested Vent
Page 31 and 32: Additional Clearances - Vent Termin
Page 33: Flue Installation (R98LSi, R98LSi-A
Page 37 and 38: Temperature Controller Installation
Page 39 and 40: Operating InstructionsFOR YOUR SAFE
Page 41 and 42: Space HeatingIf the water heater is
Page 43 and 44: Ladder Diagram (for R75LSi and R94L
Page 45 and 46: Warranty InformationConsumer Suppor
Page 47 and 48: State RegulationsNOTICE BEFORE INST
Page 49 and 50: Comportements et pratiques de sécu
Page 51 and 52: EntretienAVERTISSEMENTCoupez l'alim
Page 53 and 54: Écartements par rapport à l'appar
Page 55 and 56: Tuyauterie d'eauInstructions géné
Page 57 and 58: Instructions de ventilationConsigne
Page 59 and 60: Produits de ventilationProduits de
Page 61 and 62: Installation de conduit de cheminé
Page 63 and 64: Installation de conduit de cheminé
Page 65 and 66: Diagramme en escalier (R75LSi, R94L
Page 67 and 68: Informations sur la garantieSupport
Page 69 and 70: NotesVB Series Indoor LS Manual 69
Page 71 and 72: NotesVB Series Indoor LS Manual 71

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