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35

How To Use The Front Control Interface

To switch the water heater ON: 

From OFF condition Press the Power Button.

When running the water by opening the water tap, the water heater will start the burner automatically 

and the Digital Monitor will show the Burner ON indicator.

To switch the water heater OFF: 

Press the Power Button. 

To adjust water temperature: 

1.

2.

3.

4.

The temperature selected will be indicated on the Digital Monitor.

The ON Indicator will light up.

The temperature selected on the Digital Monitor will go out.

The ON Indicator will turn off.

Press the "HOTTER" or "COOLER" Temperature Setting Button with unit ON. (Temperature setting is only 

adjustable when the burner is not in use.)

The maximum water temperature setting can be limited by DIP switches. This manual setting overrides 

adjustable temperature settings on the front panel. Please call Grand Hall USA for DIP switch setting 

instructions if needed.

Water Temperature Time to Produce a Serious Burn

120°F

More than 5 minutes

125°F

1.5 to 2 minutes

130°F

About 30 seconds

135°F

About 10 seconds

140°F

Less than 5 seconds

145°F

Less than 3 seconds

150°F

About 1.5 seconds

155°F

About 1 seconds

Hot water heater temperature over 125°F can cause severe burns instantly or death from scalding.

Children, disabled and elderly are at the highest risk of being scalded.

Feel water temperature before bathing or showering.

Temperature limiting valves are available; please ask a certified professional.


DANGER

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Burner Indicator:

ON Indicator:

Priority Indicator:

Digital Monitor:

Power Button:

Priority Button:

Temperature Setting Button:

Diagnosis Button:

Indicates when burner is in operation.

Indicates unit is plugged

Indicates which controller

Turns the heater ON or OFF.

Alternates the control of

Used to set water temperature

Enable diagnosis function.

Indicates set water temperature and 

in and functional.

is in control of adjusting

temperature selection

water temperature.

between front and remote controller(s).

shows error code in the event of an error.

Burner Indicator:

ON Indicator:

Priority Indicator:

Digital Monitor:

Power Button:

Priority Button:

Temperature Setting Button:

Diagnosis Button:

Indicates when burner is in operation.

Indicates unit is plugged

Indicates which controller

Turns the heater ON or OFF.

Alternates the control of

Used to set water temperature

Enable diagnosis function.

Indicates set water temperature and 

in and functional.

is in control of adjusting

temperature selection

water temperature.

between front and remote controller(s).

shows error code in the event of an error.

Per some state laws – water temperature should not be set higher than 120°F. 

Please check with your local codes to ensure temperature is properly set. 

CAUTION

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!

Содержание GU100/508111100

Страница 1: ...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 othe...

Страница 2: ...s to Building Openings P21 Multiple Units Termination P22 Concentric Vent Kit Outdoor Vent Kit Installation P23 Vent Pipe Installation Terminator Position P24 Gas Supply Piping P25 LP Conversion P26 W...

Страница 3: ...ontal Terminator 3 151140130 3 Included Accessories Optional Accessories Self Tapping Screw 5 32 x 5 8 2pcs 151140066 151140067 190006019 1 Propane Gas Label 314070066 157010126 Mounting Bracket x2pcs...

Страница 4: ...jection Pre mixing Metal fiber Infrared Burner Gas Valve System Single Stage Negative Pressure Full Modulation Air Ratio valve Internal Piping Material PPS Copper Reserve Tank Under 2 Gallons Electric...

Страница 5: ...5 Dimensions GU100 508 11 12 21 22 1100...

Страница 6: ...6 Parts Diagram for Model GU100 508 11 12 21 22 1100 11 12 5 9 13 6 14 3 4 7 2 10 1 15 8 16 17 18 7 19 30...

Страница 7: ...7 Parts Diagram for Model GU100 508 11 12 21 22 1100...

Страница 8: ...13 Rubber Foot 14 Drain Valve Assembly 15 Main Power Cord 16 Handle 17 Condensing Nipple 18 Mesh Screen 19 Outdoor Venting Cap Optional 20 Trap Cleaner Assembly 21 Radial Blower Assembly 22 Gas Valve...

Страница 9: ...ly lights the burner Do not try to light the burner by hand Smell all around the water heater area for evidence of leaking gas Be sure to smell next to the floor because LP gas is heavier than air and...

Страница 10: ...ough an outside wall or through the roof using 3 vent piping the total vent run cannot exceed 95 feet with one 90 elbow If more elbows are required the venting distance must be reduced 5 feet for ever...

Страница 11: ...d CLEANING OUT THE TRAP The condensate trap must be filled with water prior to using the water heater Fill 3 0 oz of water through the exhaust collar per figure 1 Eternal water heater will typically p...

Страница 12: ...ur of the total input ratings of all appliances in the enclosed area When combustion air is supplied from inside the building each opening should give a minimum free area of one square inch per 3 750...

Страница 13: ...ed area and maintain the above minimum clearances from combustible materials Exhaust Ventilation Do not have the flue terminal pointing toward an opening into the building Do not locate your heater in...

Страница 14: ...sealed combustion design so as to separate the water heater s combustion and venting system from the interior atmosphere of the manufactured home In accordance with code water heaters must be direct v...

Страница 15: ...g on an uneven surface fasten 3 4 plywood to the stud wall and then attach the wall bracket Hang the unit on the mounted wall bracket and secure bottom of the unit to the wall with included wall ancho...

Страница 16: ...y uneven Secure the unit to the wall with included wall mount bracket Be sure to install the wall mount bracket to the wall studs Standing Installation Floor Standing Earthquake Proofing Factory Insta...

Страница 17: ...ipe of any other water heater or appliance NOTICE VENTING GUIDELINES This water heater must be properly vented for removal of exhaust gases to the outside of the home Correct installation of the vent...

Страница 18: ...inch Piping 3 inch Piping Feet Max of 90 elbows Feet Max of 90 elbows 35 3 100 6 Insufficient air supply used with Power Vent appliance may cause the building to experience negative pressure inside Ne...

Страница 19: ...r of 90 degree elbows as specified in the table on page 18 Eternal can be vented straight up and a horizontal section is not required for vertical terminations WARNING An open tee is optional and can...

Страница 20: ...as a termination to alleviate back pressure in the venting system in areas experiencing abnormally high winds Vent cap must be positioned downward Screen For optimal results the open tee should be pos...

Страница 21: ...dow or gravity air inlet into any building 3 above any forced air inlet within 10 Maintain the following clearances to any opening in any building From the top of the unit 1 below 1 horizontally from...

Страница 22: ...Above Grade Highest Anticipated Snow Level Horizontal Termination Min 12 Combustion Air Termination 12 Min 12 Min Vent Termination 12 Min Above Grade Highest Anticipated Snow Level Min 12 Combustion A...

Страница 23: ...re termination height is above the roof surface or anticipated snow level 12 inches in USA or 18 inches in Canada Do not use field supplied couplings to extend pipes Airflow restriction will occur and...

Страница 24: ...to each side of center line extended above meter regulator assembly 3 feet within a height 15 feet above the meter regulator assembly I Clearance to service regulator vent outlet 3 feet J Clearance t...

Страница 25: ...diminish and it would not be able to reach maximum performance Size gas piping system correctly following ANSI Z223 1 NFPA 54 or by local code Based on 0 60 specific gravity for natural gas at 0 5 W C...

Страница 26: ...zing of piping tanks and 100 lockup gas regulator NOTICE 5 Prior to start up ensure the unit is set to fire propane Check the rating label for the type of fuel If there is a conflict or doubt on the s...

Страница 27: ...right The drain valve is on the lower leftside of the water heater Open the cold water supply valve to the water heater To ensure complete filling of the tank allow air to purge by opening the neares...

Страница 28: ...er operation has started Condensate piping to floor drain Condensate piping to Condensate pump Vent stops vacuum air lock and clean out for future if condensate line is clogged Eternal Condensate Neut...

Страница 29: ...re approved by CSA for use with GU100 Cash Acme NCLX 5L The temperature pressure relief valve should be manually opened once a year No one should be in front of or around the outlet of the temperature...

Страница 30: ...rounding and Surges Label all wires prior to disconnection when servicing controls Wiring error can cause improper and dangerous operation Verify proper operation after servicing A means for switching...

Страница 31: ...ng 5 screws 3 Open one of the pre cut holes on either side panels of the unit and insert the hole plug 1 Open the main controller PCB cover by removing 1 screw 2 Run wire from the PCB to where the rem...

Страница 32: ...ing to the back of the remote display by loosening 2 screws Secure the Remote controller to the Wall Anchors using the included Mounting Screw 2 pcs and replace the cover to hide the mounting hardware...

Страница 33: ...cal and State Codes Supply Fixtures Cold Water DHW Gas Circulation Pump Expansion Tank Line Strainer Aquastat Aquastat should set to 20 F below Eternal temperature setting Pump control such as timer a...

Страница 34: ...ensure complete filling of the heat exchanger tank allow air to exit by opening the nearest hot water faucet Allow water to run until a constant flow is obtained This will let air out of the water he...

Страница 35: ...ing Children disabled and elderly are at the highest risk of being scalded Feel water temperature before bathing or showering Temperature limiting valves are available please ask a certified professio...

Страница 36: ...the water temperature Press either the Hotter up or Cooler down temperature setting button with the unit ON temperature setting is only adjustable when the burner is not in use To lock the remote con...

Страница 37: ...tion A visual inspection should be made on the venting system at least once a year Clean Up The flue outlet and the air intake hole on the top of the water heater should be checked Clean as needed to...

Страница 38: ...ng version 1 E1 through E9 E2 13 Error 2 in history is code 13 Press the D button when the unit is in standby mode burner off Diagnostic Content Example Explanation Outlet Temperature O O 125 Outlet i...

Страница 39: ...is clean 2 Make sure that the gas supply type is correct 3 Check the supply gas pressure is sufficient 2 Improper venting termination make sure that the venting termination complies with specification...

Страница 40: ...eck wire connection of 14p wire and thermistor wire Check the inlet thermistor Check wire connection of 14p wire and thermistor wire Check DC motor Check wire connection of 6p wire Check the water fil...

Страница 41: ...n of 8p wire and pump wire Check the pump Check connection of 3p wire and MCU wire Check connection of termination wire and resistor 120 Check connection of 3p wire and MCU wire Check connection of te...

Страница 42: ...ceed maximum 200 ppm for both Natural and Propane gas WARNING Recommended Combustion Levels Setting values O2 CO2 Model Gas type Natural gas Propane gas O2 CO2 O2 CO2 GU100 3 0 6 5 8 0 10 0 3 5 6 9 9...

Страница 43: ...anti clockwise which decrease the gas rate Flip dipswitch 3 in group 3 to OFF Cold flush the unit and let it take itself through at least 1 cycle on standby fire for boot up diagnostics Check the flam...

Страница 44: ...K R O R O BK BK BL BK R BK W BK W W BK BK R R Y BK Y Y 1 2 1 2 M BL W R BK 6 5 7 8 1 BL 2 3 BK 4 Y O R BL 10 9 11 12 13 14 W BL R BK 6 5 1 W 2 3 BK 4 BL Y R R BK BL Y R BK 2 1 3 4 5 1 2 G 120V 60Hz G...

Страница 45: ...e price for the defective product This limitation applies even if Grand Hall cannot or does not repair or replace any defective product and your exclusive remedy fails of its intended purpose No Conse...

Страница 46: ...Heat Exchanger is three 3 years from date of purchase Grand Hall offers an extended warranty for parts other than the Heat Exchanger of two 2 additional years free of charge if the product is register...

Страница 47: ...Eternal contractor to obtain diagnostics and warranty service for your water heater You can find authorized contractors at www eternalwaterheater com Simply enter your zip code for a listing of nearb...

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