Eternal GU145 Series Installation & Operation Manual

Eternal GU145 Series Installation & Operation Manual

Natural gas (ng) - factory default liquid propane gas (lpg) - optional orifice hybrid water heater
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Installation ● Operation Manual
Natural Gas (NG) - Factory Default
Liquid Propane Gas (LPG) - Optional Orifice
Model GU145 (S) / 508(11,12,21,22)1145 (S)
Model GU195 (S) / 508(11,12,21,22)1195 (S)
Model GU195 (M) / 508(11,12,21,22)1195 (M)
C
Call us first if you have any questions with this product. We can help you with questions about assembly
and Water Heater operation or if there are any damaged or missing parts when you unpack this unit from the
shipping box. Please call before returning to the store.
● Only specially trained and authorized personnel are permitted to service this water heater.
NOTE TO ASSEMBLER / INSTALLER:
Leave this manual with the consumer.
NOTE TO CONSUMER:
Keep this manual for future reference.
RECORD YOUR SERIAL #________________
(see silver CSA label on Gas Water Heater)
!
Read this Operator's Manual carefully and be sure your Water Heater is properly assembled, installed and
maintained. Failure to follow these instructions exactly could result in fire, explosion, serious bodily injury and/or
property damage.
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
!
California Proposition 65 lists chemical substances known to the state to cause cancer, birth defects, death,
serious illness or other reproductive harm. This product may contain such substances, be their origin from fuel
combustion (gas, oil) or components of the product itself.
!
Only a licensed professional can install Eternal units for safety and code compliance. Venting and plumbing
codes can vary by location. Installation instructions and all applicable codes must be followed or property
damage, severe injury, or death may result. Failure to use a licensed plumber or contractor, follow venting,
plumbing, and building codes; or follow installation instructions may be unlawful and will void the product
warranty. Grand Hall is not responsible for any costs incurred for repairing any problems resulting from failure to
follow installation instructions or applicable codes.
Service Information Center:
1-866-946-1096
8am-4pm CST, Monday through Friday
IMPORTANT:
WARNING
WARNING
WARNING
1
!
!
!
157140081P Date 2013/2/4

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Summary of Contents for Eternal GU145 Series

  • Page 1 (gas, oil) or components of the product itself. WARNING Only a licensed professional can install Eternal units for safety and code compliance. Venting and plumbing codes can vary by location. Installation instructions and all applicable codes must be followed or property damage, severe injury, or death may result.
  • Page 2: Table Of Contents

    Table of Contents Included & Optional Accessories Specifications Dimensions Parts & Service Parts List P6~10 Pre-Installation Instructions for Your Safety Installation Preparation Condensate Disposal Indoor & Outdoor Installation P14~15 Mobile Home Installation & EC Adapter Installation Wall & Floor Mounting P17~18 Venting Intake &...
  • Page 3 5/32" x 5/8" : 2pcs Neutralizer Kit Water Heater 314080136 Eternal Condensate ECHNK01 Stand Neutralizer Kit Water Heater 314080136 Stand ECHNR02 Eternal Condensate Neutralizer Refill Philips Head Screw M8x15 : 4pcs ECHNR01 Eternal Condensate Neutralizer Refill Stainless Steel Expansion Bolt : 4pcs...
  • Page 4 Eternal Hybrid Water Heater Technical Specifications Model Name GU145 / GU145(S) GU195(S) / GU195(M) 98% NG / 99% LP / 0.96 Energy Factor Thermal Efficiency ( ) / Energy Factor Installation Indoor / Outdoor / Wall Hung / Floor Standing...
  • Page 5 Dimensions - GU145(S) / 508(11,12,21,22)1145(S) GU195(S,M) / 508(11,12,21,22)1195(S,M)
  • Page 6 Parts Diagram for Model GU145(S) / 508(11,12,21,22)1145(S) GU195(S,M) / 508(11,12,21,22)1195(S,M)
  • Page 7 Parts Diagram for Model GU145(S) / 508(11,12,21,22)1145(S)
  • Page 8 Parts List for Model GU145(S) / 508(11,12,21,22)1145(S) DESCRIPTION Panel, Front Assembly Panel, Top / Rear Assembly Panel, Rear Panel, Left Assembly Panel, Right Assembly (GU145(S)) Panel, Bottom Mounting Bracket Wall Bracket Controller / Front T&P Relief Valve (Cash Acme) Vent Collar Vent Collar Packing Rubber Foot Drain Valve Assembly...
  • Page 9 Parts 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)
  • Page 10: Parts List Gu195(S,M) / 508(11,12,21,22)1195(S,M)

    Parts List for Model GU195(S,M) / 508(11,12,21,22)1195(S,M) DESCRIPTION Panel, Front Assembly Panel, Top / Rear Assembly Panel, Rear Panel, Left Assembly Panel, Right Assembly (GU195(S,M)) Panel, Bottom Mounting Bracket Wall Bracket Controller / Front T&P Relief Valve (Cash Acme) Vent Collar Vent Collar Packing Rubber Foot Drain Valve Assembly...
  • Page 11: Pre-Installation Instructions For Your Safety P11

    Test the water before bathing or showering. Do not leave children or the infirm without supervision. NOTICE Each eternal is equipped with a computer controlled mixing valve to ensure precise temperature is being delivered. Modulation noise is normal and should not be concerned.
  • Page 12: Installation Preparation P12

    Installation Preparation Unpacking Your Eternal Water Heater □ Unpack the unit carefully and make sure that all accessories are put aside so they will not be lost. ● Operator's manual ● Warranty Registration Card ● Included Parts □ Inspect the water heater for possible shipping damages.
  • Page 13: Condensate Disposal P13

    Figure 2. NOTICE Eternal water heater will typically produce a condensate that is considered slightly acidic with a Ph content of approximately 3-4. Install a neutralizing filter if required by authority having jurisdiction (See figure 2). Direct to drain from the unit.
  • Page 14 □ In general these requirements specify that if the unit is installed in a confined space, there must be permanent air supply openings if Eternal isn't installed as Direct-Vent. WARNING - high elevation installations Natural gas in high altitude might contain less heating value than typical 1100 BTU/ cuft and therefore can cause improper air / gas mix leading to improper combustion.
  • Page 15 Outdoor Installation Clearances From top of water heater 24 inches From back of unit 0.6 inch From front of unit 24 inches From left side of unit (gas piping side) 6 inches From side wall flue or vent connector in any direction 6 inches From right side of unit 2 inches If this unit is installed under an overhang, there must be a 24"...
  • Page 16: Indoor & Outdoor Installation

    Eternal water heater must be used as a sealed combustion type (Direct Vent) where all the combustion air is supplied from the outdoors through the air intake and all combusted gas byproduct is vented directly to the outside by means of the vent termination.
  • Page 17 Wall Mounting WARNING □ The water heater must be properly supported; if the wall is not strong enough, be sure to reinforce the wall. The unit must be mounted on a vertical wall and level to the ground. □ Wall mount may caused noises and vibration to magnify through the wall; carefully select where to mount the unit is important.
  • Page 18 6" off the floor. This mounting clearance provides access for clearing any possible debris or accumulated water seepage that can occur below the unit. Install the unit on Eternal Water Heater Stand (P/N 314080136) that raises the unit at least 6" above the floor.
  • Page 19: Venting Intake & Exhaust Material P19

    The supplied vent connectors are certified as part of the water heater. WARNING If the Eternal combustion air inlet is located in an area likely to cause or contain contamination, the combustion air must be repiped and terminated at another location. Contaminated combustion air will damage the unit and its...
  • Page 20: Venting Specification P20

    Venting Specification Direct Vent □ GU145(S) / GU195(S,M) is factory configured as a sealed combustion unit with dedicated intake and exhaust connections. □ When installed as a Direct Vent appliance, all combustion air is drawn directly from outside of the home. □...
  • Page 21 The total vertical and horizontal runs cannot exceed the maximum length with a maximum number of 90 degree elbows as specified in the table of page 20. □ Eternal can be vented straight up and a horizontal section is not required for vertical terminations.
  • Page 22 Horizontal Termination Below diagrams are examples of vertical terminations. □ □ Side Wall (Direct Vent) Side Wall (Power Vent) Mortar or silicone caulk Mortar or silicone caulk 2'*2' Sheet Metal 2'*2' Sheet Metal Shieldon Brick or Shieldon Brick or Masonry Walls Masonry Walls Vent Terminal with Exhaust pipe...
  • Page 23: Clearance Requirements From Vent Terminations To Building Openings P23

    Clearance Requirements from Vent Terminations to Building Openings All clearance requirements are in accordance with ANSI Z21.10.3 and the National Fuel Gas Code, ANSI Z223.1 and in Canada, in accordance with NSCNGPIC. □ Vent Clearances When Heater is Installed Indoors Maintain the following clearances to any opening in any building: ●...
  • Page 24: Multiple Units Termination P24

    * Multiple unit Termination Multiple Units Termination 2) Horizontal Termination 1) Vertical Termination Multiple unit Termination □ □ Vertical Terminations Horizontal Terminations Exhaust Termination Exhaust Termination Intake Termination Intake Termination WARNING The Grand Hall approved concentric kit is a unique pipe-in-pipe venting system designed for termination.
  • Page 25: Common Venting Installation

    Common Vent Installation Applicable Model GU195 (M) / 508 (11,12,21,22)1195 (M) Systems Common vent system is strictly applicable for GU195M model only. Only units that are connected by MCU wire with dipswitch set up on main controller board (PCB) to operate as one group can be common vented together. It is required for vent system to be perfectly impermeable to condensation and made out of corrosion resistant materials.
  • Page 26 Concentric Vent Kit WARNING Failure to comply with the following warning could result in product damage or improper operation, personal injury, death, substantial property and/or warranty will be voided. □ Do not use concentric kit which are not approved by Grand Hall. □...
  • Page 27: Vent Pipe Installation & Terminator Position P27

    Vent Pipe Installation & Terminator Position US Installations Description Canadian Installations Other than Direct Vent Direct Vent Clearance above grade, veranda, 1 foot 1 foot 1 foot porch, deck, or balcony Clearance to window or door that 4 feet below or to side of opening; 1 foot 3 feet may be opened...
  • Page 28: Gas Supply Piping P28

    Gas Supply Piping NOTICE □ This unit needs a manual gas control valve (shut-off valve) that must be connected to the unit before the gas line. □ Check the gas inlet pressure and the type of gas matching the rating plate located on your water heater. Also check to make sure your gas meter is capable of supplying sufficient BTU load to all appliances.
  • Page 29: Lp Conversion P29

    LP Conversion NOTICE Contact the local propane gas supplier for recommended sizing of piping, tanks and 100% lockup gas regulator. □ Adjust the propane supply regulator provided by the gas supplier for 13" w.c. maximum pressure. NOTICE LP conversion kit must be ordered from Grand Hall USA. Conversion can only be completed by a qualified professional. How to convert to LP 1.
  • Page 30: Water Supply Connection P30

    Do not remove the draining valve from the unit without first draining the tank. WARNING The use of galvanized or dielectric unions & piping is prohibited for use with an Eternal water heater. Fail to comply with this warning will void warranty.
  • Page 31: Condensate Piping P31

    Condensate piping to Condensate pump Vent Relief Valve Discharge Line Vent stops vacuum air lock, and clean out for future if condensate line is clogged. Eternal Condensate Neutralizer Relief Valve Vent Discharge Line Eternal Condensate Neutralizer Condensate Pump 3/4" CPVC Pipe (Condensate) 3/4"...
  • Page 32 When setting unit temperature higher than 140°F for Description: commerical use or sanitation purpose, it's recommended Eternal has an optional Internal Pump Control (IPC) which to use Aquastat control or timer for the recirculation system can provide enhanced efficiencies and eliminates the need instead of using Internal Pump Control, Aquastat should be to buy a separate aquastat or timer.
  • Page 33: Electrical Connection P33

    Electrical Connection Installation Codes: Follow the requirements of the local authority having jurisdiction. In the absence of such requirements, follow the latest edition of the National Electrical Code ANSI/NFPA 70. Grounding and Surges □ Do not plug electrical power to the unit until all plumbing and gas piping is complete and the water heater has been filled with water.
  • Page 34: Optional Remote Controller Installation P34~35

    Optional Remote Controller Installation Pre-Installation Preparation 1. Turn off the unit and unplug power cord from wall socket. 2. Remove front panel by loosening 5 screws. 3. Open one of the pre-cut holes on either side panels of the unit and insert the hole plug. Precut Hole Wiring Instructions 1.
  • Page 35 Optional Remote Controller Installation Configuring Multiple Remote Controllers Rear Side Remote Controller Selection Switch Setting Layout 1 : Left 2 : Left Kitchen 3 : N/A 4 : N/A 1 : Right 2 : Left Bathroom 1 3 : Left 4 : N/A 1 : Right 2 : Left...
  • Page 36: Mcu Installation P36~38

    Applicable Models : GU195(M) / 508(11,12,21,22)1195(M) Description: MCU kit allows multiple units to be linked together in a parallel manifold configuration. By doing so, Eternal is suitable for large commercial projects. Such as motels, apartment complexes, laundromats etc … Feature and Benefits □...
  • Page 37 MCU Installation MCU Installation With all taps closed and unit off, unplug the power cord of the unit from the power outlet. Make sure dip switch #4 to ON position. (Group 1, No.4). Group 1 dip switches should be the same for all units connected together.
  • Page 38 GROUP 2 Operating as a single unit, Eternal consumes less than 1A current, and the power supplied to the unit can be on as low as 2A capacity. However, when multiple Eternals are used together, the power supply requirement is significantly increased.
  • Page 39 Recirculation system with an Eternal Water Heater Recirculation System with an Eternal Water Heater Expansion Tank Cold Water Supply Fixtures Line Strainer IPC control Optional Aquastat Aquastat should set to 20°F below Eternal temperature setting. Circulation Pump Recirculation with 2 Units Aquastat should set to 20°F below...
  • Page 40 Circulation Pump Note 1 : If the unit is not controlling the pump by the internal relay, use a Aquastat pump and set at 20°F below Eternal temperature setting. WARNING Pump control such as timer and / or aquastat must be used in recirculation application or short cycle may occur...
  • Page 41 The unit having its inlet closest to the cold water supply is piped so that its outlet will be farthest from the hot water supply line. Reverse return system Aquastat should set to 20°F below Eternal temperature setting. 1 1/2" 3/4" Expansion Tank...
  • Page 42 It is important to check against eternal's inlet temperature by using eternal's diagnostic function to verify that the pump does shut off when "I" reached 20°F below the setting temperature and aquastat is setup properly.
  • Page 43: Operating Instructions P43

    Operating Instructions Before Starting The System □ This water heater does not have a pilot. It is equipped with an ignition device which automatically lights the burner. Do not try to light the burner manually. □ Before operating, make sure that a gas leak is not evident by smelling the area around the unit. Be sure to smell next to the floor because gas is heavier than air and will settle on the floor.
  • Page 44: How To Use The Front Control Interface P44

    How To Use The Front Control Interface Digital Monitor: ON Indicator: Burner Indicator: Indicates set water temperature and Indicates when burner is in operation. Indicates unit is plugged shows error code in the event of an error. in and functional. Priority Indicator: Indicates which controller is in control of adjusting...
  • Page 45 Fail to comply the warning will void warranty) Each Eternal water heater is equipped with built-in Ignition Cycle Counter located on the main controller board. Excessive cycles caused by improper application voids warranty. For more detail about the acceptable cycle limit,...
  • Page 46: Maintenance And Service P46

    Maintenance and Service WARNING Turn off the electrical power supply, the manual gas control valve, and the manual water control valve before servicing. SYSTEMS AND PARTS CHECK □ The unit should be checked once a year or as necessary by a certified and trained technician. If repairs are needed, the repairs should be done by a certified and trained technician.
  • Page 47 "D" button Diagnostic Function Applicable Model: GU145(S) / 508(11,12,21,22)1145(S) GU195(S) / 508(11,12,21,22)1195(S) GU195(M) / 508(11,12,21,22)1195(M) Description: Enhanced diagnostic functions are now available with the touch of a button. Simply press the “D” button on the front control panel to access features such as: inlet and outlet temperatures, air temperature inside the chassis, fan motor RPMs, error code history and more! Press the “D”...
  • Page 48: Diagnostics

    DIAGNOSTICS Before calling for service, review the following diagnostic steps first for saving time and money! Question Answer Burner does not ignite when 1. Make sure that the ON/OFF button on the front or remote controller has been the hot water is opened. turned ON.
  • Page 49 DIAGNOSTICS Self Monitoring This unit has the ability to check its own operation continuously. If an error occurs, a message will flash on the digital monitor of the front panel. This assists with diagnosing the error, and may enable you to overcome a problem without a service call. Please quote the code displayed when inquiring about service.
  • Page 50 DIAGNOSTICS ● Error Code Diagnosis Code display Cause Remedy Rotation of a DC fan is □Call service center □ too low A controller failure □Call service center □ concerning gas valve Communication failure with □Call service center □ SUB CPU Subsidiary RAM failure □Call service center □...
  • Page 51: How To Check Gas Combustion P51~52

    If the combustion levels are not within the range given in Table 1 for the firing rate, shut the unit and contact Eternal Engineering support team. Failure to comply with this requirement could result in severe personal injury, death or substantial property damage.
  • Page 52 How To Check Gas Combustion Procedure for high firing Note : During this procedure you will only observe the reading and will not make any adjustment. Unscrew the EC adopter cap on vent collar (see to above diagram) and connect the flue gas analyzer. Set to full load: with the unit at 130°F or higher, force the unit into high fire by opening demand of at least 7 GPM water flow rate.
  • Page 53: Wiring And Connection Diagram P53~54

    Wiring and Connection Diagram Wiring Diagram MODEL : GU145(S) / 508(11,12,21,22)1145(S) GU195(S) / 508(11,12,21,22)1195(S) BK Y Y BK 9 10 11 12 9 10 11 12 11 12 13 13 14 15 16 17 18 19 20 21 22 23 24 13 14 15 16 17 18 19 20 21 22 23 24 BR G 120V, 60Hz...
  • Page 54 Wiring and Connection Diagram Wiring Diagram MODEL : GU195(M) / 508(11,12,21,22)1195(M) BK Y Y BK 9 10 11 12 9 10 11 12 11 12 13 13 14 15 16 17 18 19 20 21 22 23 24 13 14 15 16 17 18 19 20 21 22 23 24 BR G 120V, 60Hz...
  • Page 55: Grand Hall Limited Warranty P55~57

    Grand Hall Limited Warranty General Terms of Limited Warranty for Product Grand Hall will warrant to the purchaser of this gas water heater at the ORIGINAL INSTALLED LOCATION that it will be free of defects in material, workmanship and performance when used with Potable Water* and when installed and used in strict compliance with Grand Hall’s specifications, for the applicable period shown in Warranty Periods below.
  • Page 56 Grand Hall Limited Warranty Limited Labor Allowance Grand Hall will provide a pre-set labor allowance as set forth in the following table, which shall be paid to the licensed contractor who obtains written authorization or a Work Order from Grand Hall in advance, strictly for repairs or replacements for warranty-covered defects occurring within one (1) year from the date of purchase.
  • Page 57 F.A.C.T. (Factory Authorized Contractor Trained) – A licensed contractor who has been through the basic installation class held by either an Eternal Sales Representative or Grand Hall factory personnel, who has registered his/her company on the Eternal Dashboard system, and who has passed the authorization test.
  • Page 58 NOTES...
  • Page 59 NOTES...

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