Eternal GU195 (M)/ 508 Manual do Operador

Service Information Center:Call us fi rst if you have any questions with this product. We can help you with questions about assembly and Water Heater o

10Parts List for Model GU195(S,M) / 508(11,12,21,22)1195(S,M)KEY DESCRIPTION1 Panel, Front Assembly2 Panel, Top / Rear Assembly3 Panel, Rear4 Panel, L

11Pre-Installation Instructions for Your SafetyWARNINGIf you do not follow these instructions exactly, a  re or explosion could result causing proper

12Installation PreparationUnpack the unit carefully and make sure that all accessories are put aside so they will not be lost.● Operator's manual

13Condensate DisposalThe condensate drain must be  lled and unobstructed to allow  ow of condensate. The condensate should not be subjected to condi

14Indoor InstallationClearancesFrom top of water heater 12 inches From back of unit 0.6 inchFrom front of unit 6 inches (*)From left side of unit (gas

15Outdoor InstallationClearancesFrom top of water heater 24 inches From back of unit 0.6 inchFrom front of unit 24 inches From left side of unit (gas

16Mobile Home InstallationRead and Review this entire Manual with special emphasis on combustion and ventilation for your safety.If you do not follow

17Mobile Home InstallationAll primers, cleaners and cements must meet all local codes and applicable standards of the American Society for Testing Mat

Mobile Home InstallationHow to convert to LP1. Remove front panel by loosening 5 screws.2. Locate the gas valve towards lower left of the unit.3. Loos

19Wall MountingMounting Steps1. Install mounting brackets with 6 screws on top and bottom back of the unit.Wall Mounting For Commercial Food ServicePe

2Table of Contents Included & Optional Accessories P3 Specifications P4 Dimensions P5 Parts & Service Parts List P6~10 Pre-Installation Instru

20Floor MountingGU145(S) / GU195(S,M) can be installed standing on combustible floor surface, or on a water heater stand.Be sure to use a suitable dra

21Venting Intake & Exhaust MaterialAll primers, cleaners and cements must meet all local codes and applicable standards of the American Society fo

22Venting Speci cationGU145(S) / GU195(S,M) is factory configured as a sealed combustion unit with dedicated intake and exhaust connections.When inst

23Vertical TerminationBelow diagrams are examples of vertical terminations.Through roof (Direct Vent) Through roof (Concentric Vent)Through roof (Powe

24Once the vent terminal location has been determined, make a hole through the exterior wall to accommodate the vent pipe. Vent pipe must only exit ex

25Clearance Requirements from Vent Terminations to Building OpeningsAll clearance requirements are in accordance with ANSI Z21.10.3 and the National F

26Multiple Units TerminationWhen two or more direct vent units are vented near each other, each unit must be individually vented, but next unit vent t

27Common Vent InstallationSystemsPower VentDirect Vent(Sealed Vent)POWER VENTEDDimensions Of InstallationDIRECT VENTEDNumber of installing units Comm

28Concentric Vent Kit"Y" Concentric Fitting4" DIASDR-26 Pipe2 ½" DIASDR-26 PipeRain CapExhaust Connection* Approved Grand Hall Con

29Vent Pipe Installation & Terminator PositionDescriptionUS InstallationsCanadian Installations Other than Direct Vent Direct VentAClearance above

3Included AccessoriesOptional AccessoriesSelf Tapping Screw 5/32" x 5/8" : 2pcsPhilips Head ScrewM8x15 : 4pcsStainless Steel Expansion Bolt

30Gas Supply PipingWhen measuring the inlet supply pressure, the water heater and all other gas appliances sharing the gas supply line must be  ring

31LP ConversionHow to convert to LP1. Remove front panel by loosening 5 screws.2. Locate the gas valve towards lower left of the unit.3. Loosen nut co

32Water Supply ConnectionThe water fittings on the Eternal water heater are 3/4" NPT. If the installation site has only 1/2" plumbing throug

33TYPICAL INSTALLATIONCondensate PipingThis water heater is a high ef ciency, fully condensing appliance which produces condensate during operation.

34Temperature and Pressure Relief ValveTroubleshooting Thermal ExpansionIf a water heater is installed in a closed water supply system, such as one ha

35Electrical ConnectionInstallation Codes:Follow the requirements of the local authority having jurisdiction. In the absence of such requirements, fol

36Optional Remote Controller InstallationPre-Installation PreparationWiring Instructions1. Turn off the unit and unplug power cord from wall socket.2.

37Optional Remote Controller InstallationDecide on the appropriate mounting location for the Remote Controller; consider higher positions so that the

MCU InstallationMCU Kit ComponentsSpecifications and FeaturesApplicable Models :GU195(M) / 508(11,12,21,22)1195(M)Description:MCU kit allows multiple

39MCU InstallationConnect Female Termination Wire(F1) to MCU Wire at the  rst unit. Do not connect F1 to the ignition termination wire.6.Plug the pow

4Eternal Hybrid Water Heater Technical Speci cationsModel NameGU145 / GU145(S) GU195(S) / GU195(M)Thermal Ef ciency (*) / Energy Factor98% NG / 99%

All units networked need to be assigned a unique ID number. For example, if 3 units are used, the first unit should be assigned #1 by pushing Dipswitc

41Recirculation System with an Eternal Water HeaterThese diagrams are for reference as basic guides. Each installation should be engineered properly a

42Restaurant and Commercial ApplicationsSystem for rapid ON/OFF hot water usageIf the unit is not controlling the pump by the internal relay, use a Aq

43Plumbing System for Multiple Unit ApplicationsReverse return systemIn the above drawing, there is no “path of least resistance”, water  ow will be

44Note! EACH JOB SHOULD BE SIZED ACCORDING TO THE DESIRE OF DEMAND. Pump size for commerical application when using Eternal as heat engine to recover

45Operating InstructionsThis water heater does not have a pilot. It is equipped with an ignition device which automatically lights the burner. Do not

46How To Use The Front Control InterfaceTo switch the water heater ON: From OFF condition Press the Power Button.When running the water by opening the

47Ignition Cycle CounterHow To Use the Remote ControllerTo switch the water heater ON with Remote Controller, from OFF condition Press the Power Butto

48Maintenance and ServiceTurn off the electrical power supply, the manual gas control valve, and the manual water control valve before servicing.The u

"D" button Diagnostic Function49Applicable Model:GU145(S) / 508(11,12,21,22)1145(S)GU195(S) / 508(11,12,21,22)1195(S) GU195(M) / 508(11,12,2

5Dimensions - GU145(S) / 508(11,12,21,22)1145(S) GU195(S,M) / 508(11,12,21,22)1195(S,M)

50DIAGNOSTICSBefore calling for service, review the following diagnostic steps  rst for saving time and money!

51DIAGNOSTICSSelf MonitoringThis unit has the ability to check its own operation continuously. If an error occurs, a message will flash on the digital

NOTE: In all cases you may be able to clear the Error Message simply by turning the hot water tap OFF, then ON again. If this does not clear the Error

The combustion testing and adjustments must be performed by a quali ed installer, service agency or the gas supplier. All combustion analyzer must be

54How To Check Gas CombustionProcedure for high  ringUnscrew the EC adopter cap on vent collar (see to above diagram) and connect the  ue gas analyz

55Wiring and Connection DiagramWiring Diagram MODEL : GU145(S) / 508(11,12,21,22)1145(S) GU195(S) / 508(1

56Wiring and Connection DiagramWiring Diagram MODEL : GU195(M) / 508(11,12,21,22)1195(M)

57Grand Hall Limited WarrantyGeneral Terms of Limited Warranty for ProductGrand Hall will warrant to the purchaser of this gas water heater at the ORI

58Grand Hall Limited Warranty*See DEFINITIONS below. Limited Labor AllowanceGrand Hall will provide a pre-set labor allowance as set forth in the foll

59F.A.C.T. (Factory Authorized Contractor Trained) – A licensed contractor who has been through the basic installation class held by either an Eternal

6Parts Diagram for Model GU145(S) / 508(11,12,21,22)1145(S) GU195(S,M) / 508(11,12,21,22)

7Parts Diagram for Model GU145(S) / 508(11,12,21,22)1145(S)

8KEY DESCRIPTION1 Panel, Front Assembly2 Panel, Top / Rear Assembly3 Panel, Rear4 Panel, Left Assembly5 Panel, Right Assembly (GU145(S))6 Panel, Botto

9Parts Diagram for Model GU195(S) / 508(11,12,21,22)1195(S)Parts Diagram for Model GU195(M) / 508(11,12,21,22)1195(M)