Armstrong Flo-Direct Specifications

Armstrong International221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USAPh. (269) 279-3602 Toll Free (888) HOT-HOSE (468-4673) Fax (269) 27

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 8 of 45Specifications — Transfer Pump AssemblyTransfer Pump AssemblyComponent MaterialPiping

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 9 of 45Specifications — Storage TankStorage TankDesign standard ASTM D49097-00Maximum pressu

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 10 of 45Specifications — Storage TankOrientationWater inletScreened ventManwayOutletOutlet f

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 11 of 45Assembly and Installation Installing Large HeatersUnpackingNote: • Obvious damage s

123456781091314161512 11Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 12 of 45Note: This pattern is for heaters with 16 bolts. 24-bolt pat

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 13 of 45Installing Small Heaters1 Place lower canister in final heater position:• On level s

123456781091314161512 11Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 14 of 458 Lower onto floor and tighten all bolts using pattern shown

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 15 of 45Installing Exhaust DuctingInstalling Exhaust DuctingNote: • Roof installation prefe

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 16 of 45Installing Intake Air DuctingInstalling Intake Air DuctingUsing outside air is recom

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 17 of 45Water ConnectionsWater ConnectionsTransfer pump assembly must be installed on level

Armstrong International221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USAPh. (269) 279-3602 Toll Free (888) HOT-HOSE (468-4673) Fax (269) 27

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 18 of 45Fuel ConnectionFuel ConnectionNote: If codes require pressure test of fuel line, clo

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 19 of 45Control PanelElectrical Panels Control PanelSpark generator (120V–6000V)Veri-Flame c

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 20 of 45Heater LabelDisconnect PanelControl transformer (3 phase to 120V)Main fused disconne

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 21 of 45Electrical ConnectionsElectrical ConnectionsTop Plate to Upper CanisterNote:• Consu

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 22 of 45Electrical ConnectionsUpper to Lower CanisterNote: Depending on how canister section

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 23 of 45Electrical ConnectionsTransfer PumpStorage TankFloat switches1/2" half coupling

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 24 of 45Electrical ConnectionsMain Power ConnectionNote: If facility does not have surge and

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 25 of 45Operation Description of OperationAir and gas combine in burner and enter dry flame t

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 26 of 45Sequence of OperationNote: The description in this section assumes that the heater i

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 27 of 45Pre-Start-Up ChecklistNote: This section to be performed by installer. Consult other

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 1 of 45 Safety — injury or death and property damage are imminent— injury or death and prope

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 28 of 45Commissioning Note: Start-up process requires running heater in "MANUAL" m

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 29 of 45Inspecting Installation3 Verify that output zero on PLC and relay A light.4 Confirm

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 30 of 45Periodic Maintenance Frequency TaskDailyCheck output temperature (non-modulated). (T

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 31 of 45High Temperature Switch Check1 With heater on but not running, unscrew cover on swi

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 32 of 45Troubleshooting TableTroubleshooting Note: Turn off power to heater prior to beginni

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 33 of 45PLC I/OsTroubleshootingProblem Probable Cause CorrectionHigh Temperature FaultContac

123456789101112Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 34 of 45Top PlateFor burner parts, contact MAXON Corp., 765-284-3304 (fax: 76

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 35 of 45Water TrainRef No. Description Part No.Ball Valve - Bronze11″ D101821-1/2″ D93412″ D

34Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 36 of 45Control BoxRef No. Description Part No.1 Powers Controller, 5351112ABD0 D194082 Co

181191132127435610Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 37 of 45Disconnect BoxRef No. Description Part No. Ref No. Description Par

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 2 of 45Typical SystemThe Flo-Direct System Armstrong's Flo-Direct water heaters:� Are

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 38 of 45Fuel TrainRef No. Description Part No.Gas Rated Ball Valve1AFD-1000 and AFD-1500 (1″

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 39 of 45Lower CanisterRef No. Description Part No.1 Float Switch, Polypropylene D169072 High

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 40 of 45Storage TankRef No. Description Part No.1 Bushing, CPVC 4″ x 1/2″ NPT D187852 Float

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 41 of 45Appendix: Modulating Burner Note: information on this page is intended for technical

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 42 of 45Operation:The operator should not have to do anything during normal operation of a m

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 43 of 45If the button is pushed, then the controller will try to open the burner to track th

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 44 of 45Armstrong Hot Water, Inc. ("Armstrong") warrants to the original user of t

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 45 of 45Notes

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 3 of 45Typical SystemFlo-Direct water heaters are highly efficient, low maintenance systems.�

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 4 of 45Specifications — HeaterOperational SpecificationsTechnical SpecificationsSpecifications•

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 5 of 45Specifications — HeaterModelConnections* DimensionsWeightBtu/hr kW1 2 A B C D Ein. mm

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 6 of 45Specifications — HeaterOrientationControl panelLower CanisterUpper CanisterTop PlateB

Armstrong InternationalIOM-706Flo-Direct Water HeaterPage 7 of 45Specifications — HeaterLow gas pressure switchHigh gas pressure switchProof of Closur