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305, 505, 705 Indoor Manual 

11 

  

Trouble Shooting for Common Issues 

 

 

 

                 

I don’t have any hot water when I open the tap. 

Make sure there is gas, water, and electricity to the  
water heater (power is turned on and the gas is turned 
on). 

When I was using the hot water, the water got cold. 

If you adjusted the flow from the tap to lessen it, you  
may have gone below the minimum flow required.  This 
water heater requires a minimum flow rate to operate.  
(See the specification page for the flow rate of your 
model.)  Decrease the temperature setting at the 
remote controller or increase the water flow. 

White smoke comes out of the exhaust. 

During colder weather when the exhaust temperature 
is much hotter than the outside air, the exhaust fumes 
condense producing water vapor. 

When I open a hot tap, I do not immediately get hot 
water. 

Hot water must travel through your plumbing from the  
water heater to the faucet.  The time period for hot 
water to reach your fixture is determined by the amount 
of water in the plumbing system between the water 
heater and the fixture, water pressure, and the flow 
rate of the fixture. 

After I turn off the hot water tap, the fan on the  
water heater continues to run. 

The fan is designed to continue running for a short time 
after the flow of water stops.  This is to ensure constant 
water temperatures during rapid starting and stopping, 
as well as exhausting any residual gas flue products 
from the unit. 

Consideration of care for your water heater should  
include evaluation of water quality.  If the water quality 
exceeds the target levels provided in the table, you 
may want to treat or condition the water. 

* Source: Part 143 National Secondary Drinking Water 
Regulations 

 

Maximum Level 

Total Hardness 

Up to 200 mg / L 

Aluminum * 

Up to 0.2 mg / L 

Chlorides * 

Up to 250 mg / L 

Copper * 

Up to 1.0 mg / L 

Iron * 

Up to 0.3 mg / L 

Manganese * 

Up to 0.05 mg / L 

pH * 

6.5 to 8.5 

TDS (Total Dissolved 
Solids) * 

Up to 500 mg / L 

Zinc * 

Up to 5 mg / L 

  

Water Quality   

 

 

 

 

 

 

 

 

 

                 

  

Accessing 

Operating 

Information 

        

         

To display the most recent error codes press and hold the “On/Off” button for 2 seconds.  While holding the “On/
Off” button press the 

 button.  The last 9 error codes will flash one after the other.  To exit this mode press the 

“On/Off” and 

 button as before. 

To display the water flow through the water heater press and hold the 

 button for 2 seconds and without 

releasing the 

 button press the “On/Off” button.  

To display the outlet water temperature press and hold the 

 button for 2 seconds and without releasing the 

 

button press the “On/Off” button.   

Содержание 505

Страница 1: ...n and service must be performed by a qualified installer service agency or the gas supplier WARNING If the information in these instructions is not followed exactly a fire or explosion may result caus...

Страница 2: ...Water Heater 14 Electrical Connection 15 Gas Piping General Instructions 15 Pipe Sizing Procedure Example 16 Water Piping General Instructions 17 Pressure Relief Valve 17 Freeze Protection 17 Freeze P...

Страница 3: ...5 C Maximum Temp Setting Residential 140 F 60 C Minimum Temperature Setting 98 F 37 C Weight 50 lb 23 kg 55 lb 25 kg Efficiency Rating Propane Gas 84 Noise level 49 dB Electrical Consumption Normal 79...

Страница 4: ...is symbol alerts you to potential hazards that can kill or hurt you and others Indicates an imminently hazardous situation which if not avoided will result in death or serious injury Indicates a poten...

Страница 5: ...water is constantly monitored This appliance may adjust the water flow in order to maintain the temperature setting The water flow may vary from summer to winter due to the difference in ground water...

Страница 6: ...re setting for this appliance installed without a remote controller is 120 F 49 C If desired the temperature setting can be changed to 140 F 60 C by adjustment of a dip switch Set dip switch 5 to ON t...

Страница 7: ...suggestions only A temperature lower than 98 F 37 C can be obtained at the tap by mixing with cold water To change the temperature scale from Celsius to Fahrenheit or vice versa press and hold the On...

Страница 8: ...to wipe cabinet Vent System The vent system should be inspected at least annually for blockages or damage Motors Motors are permanently lubricated and do not need periodic lubrication Keep fan and mo...

Страница 9: ...ck gas solenoid valves for open or short circuits Remove burner cover and ensure all burners are properly seated Remove burner plate and inspect burner surface for condensation or debris 12 Flame Fail...

Страница 10: ...build up Ensure fan blade is tight on motor shaft and is in good condition Replace sensor 52 Modulating Solenoid Valve Signal Abnormal Check modulating gas solenoid valve wiring harness for loose or...

Страница 11: ...ter heater continues to run The fan is designed to continue running for a short time after the flow of water stops This is to ensure constant water temperatures during rapid starting and stopping as w...

Страница 12: ...ter and cold water lines V3 and V4 3 Connect pump outlet hose H1 to the cold water line at service valve V2 4 Connect drain hose H3 to service valve V1 5 Pour approximately 4 gallons of virgin food gr...

Страница 13: ...pressures in excess of 1 2 psi 3 5 kPa 13 84 in W C The appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the...

Страница 14: ...Non Combustibles 305 505 705 305 505 705 Top of Heater 6 inches 152 mm 12 inches 305 mm 2 inches 51 mm 2 inches 51 mm Back of Heater 0 zero 0 zero 0 zero 0 zero Front of Heater 6 inches 152 mm 24 inch...

Страница 15: ...oap and water or an equivalent nonflammable solution as applicable Since some leak test solutions including soap and water may cause corrosion or stress cracking the piping shall be rinsed with water...

Страница 16: ...opane Gas Pipe Size inches 3 4 1 1 1 4 1 1 2 10 273 514 1060 1580 20 188 353 726 1090 30 151 284 583 873 40 129 243 499 747 50 114 215 442 662 60 104 195 400 600 70 95 179 368 552 80 89 167 343 514 90...

Страница 17: ...le water heating appliance Ensure that the water filter on the water heater is clean and installed An approved pressure relief valve is required by the American National Standard ANSI Z21 10 3 Canadia...

Страница 18: ...mpliance with local building code requirements It is the responsibility of the contractor engineer to ensure installation is in accordance with all local building codes Confer with local building offi...

Страница 19: ...ain Valve KEY This is not an engineered drawing It is intended only as a guide and not as a replacement for professionally engineered project drawings This drawing is not intended to describe a comple...

Страница 20: ...is not an engineered drawing It is intended only as a guide and not as a replacement for professionally engineered project drawings This drawing is not intended to describe a complete system It is up...

Страница 21: ...turn plumbing Pump to be of bronze or stainless construc tion This is not an engineered drawing It is intended only as a guide and not as a replacement for professionally engineered project drawings T...

Страница 22: ...pipe fittings Avoid dips or sags in horizontal vent runs by installing supports per the vent manufacturer s instructions Support horizontal vent runs every four feet and all vertical vent runs every s...

Страница 23: ...es the water heater will run properly Blocked flue error codes and shutdowns may result if dip switch no 1 is not in the correct position On the 305 and 505 models the maximum water flow capacity will...

Страница 24: ...NA ProTech Systems FasNSeal FSAAU4 FSRC4 FSBS4 FSDVPTB04LH FSDVWT4 Metal Fab Corr Guard 4CGOA 4CGSWC 4CGSWMCM 4CG7HT90 4CG7HT Venting Products Vent Manufacturer Contact Information for Installation I...

Страница 25: ...Description US Installations A Clearance above grade veranda porch deck or balcony 12 inches 30 cm B Clearance to window or door that may be opened 12 inches 30 cm C Clearance to permanently closed wi...

Страница 26: ...ater heater terminals at different levels 12 12 36 INSIDE CORNER V V 0 91 m to ventilated or unventilated soffit or eve vent or to a deck or porch 0 30 m to an inside corner 0 30 m between water heate...

Страница 27: ...5 Install the 4 screws at the vent top and tighten the 4 screws at the bracket Secure the first vent component to the water heater with one self tapping screw at the hole located above the condensate...

Страница 28: ...screws attach the pipe to the air intake terminal 5 Apply a bead of silicone around the pipe and air intake terminal ensuring an air tight connection Exhaust Pipe Assembly Refer to the manufacturer s...

Страница 29: ...erminations The air intake requires a return bend or two 90 elbows to prevent entry of rain SLOPE INTAKE AND EXHAUST TOWARD OUTSIDE TERMINATION MINIMUM 1 4 PER FOOT Horizontal with Concentric Terminat...

Страница 30: ...cable or 1 Multi Unit connection kit 3 1 Multi Unit connection kit and 1 Multi Unit connection cable 4 1 Multi Unit connection kit and 2 Multi Unit connection cables 5 1 Multi Unit connection kit and...

Страница 31: ...ld be a non polarized two core cable with a minimum gauge of 22 AWG The maximum cable length from each controller to the water heater depends on the total number of wired controllers connected to the...

Страница 32: ...s hole at the base of the unit and connect the wires to the controller terminals on the right hand side bottom of the PCB 11 Secure the controller cable using the clamp provided 12 Replace plastic cov...

Страница 33: ...O APPLIANCE 1 Turn off all electric power to the appliance using the ON OFF button 2 Set the thermostat to lowest setting 3 Locate the manual gas valve on the side of the heater Turn the manual valve...

Страница 34: ...ow Data Water Flow gpm delta T Temperature Rise F 0 5 10 15 20 25 30 35 40 45 0 2 4 6 8 10 12 0 10 20 30 40 50 60 70 80 90 100 505 305 Pressure Loss ft head Pressure Loss psi Water Flow gpm 705 0 0 1...

Страница 35: ...system and any additional plumbing pressure losses The pressure drop curve based on the water heater model is provided in this manual Replacement When replacing an existing space heating application...

Страница 36: ...Height Unit 22 9 582 23 6 600 D Height with brackets 25 5 648 2 25 2 639 8 E Hot Water Outlet from wall 3 6 91 4 3 110 F Hot Water Outlet from center 4 3 110 2 4 61 G Cold Water Inlet from wall 2 8 7...

Страница 37: ...DC5V A B C SG SWITCHING POWERSUPPLY THERMISTOR CIRCUIT B SG RELAY 1 A WATERFLOW SENSOR CIRCUIT WATERFLOW CONTROLDEVICE CIRCUIT A SG A SG SG A QS SG FR FLAME DETECTING CIRCUIT FLAMEROD GND SG A REMOTE...

Страница 38: ...ed as on demand What will be done Repair or replacement of the covered product or any part or component that is defective in materials or workmanship as set forth as follows Payment of reasonable labo...

Страница 39: ...thorized to make any other warranties on behalf of the manufacturer Except as expressly provided herein there are no other warranties expressed or implied including but not limited to warranties of me...

Страница 40: ......

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