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Rheem RTGH-RH10DV Use And Care Manual Download Page 35

AP18733 REV.  3.2.17

35

Figure 12 – LP-325-X

Figure 13 – NOTE: These drawings are meant to demonstrate system venting only. The installer is responsible for 

all equipment and detailing required by local codes.

INDOOR COMBUSTION AIR (SINGLE PIPE) _HORIZIONTAL

INSERT SCREEN IN EACH 

OPEN END OF TEE

INDOOR COMBUSTION AIR (SINGLE PIPE)_Vertical

 ROOF FLASHING

3

"

Min 

(7.5cm)

MAINTAIN 12"(30cm) MINIMUM 

CLEARANCE ABOVE

HIGHEST ANTICIPATED SNOW

LEVEL OR GRADE, 

WHICHEVER IS GREATER.

1΄(30cm)

 INSERT SCREEN IN 

 EACH OPEN END OF TEE

Summary of Contents for RTGH-RH10DV

Page 1: ...ury or death FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance To do so may result in an explosion or fire Installation...

Page 2: ...tuation which if not avoided could result in death or serious injury CAUTION indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury IMPORTANT is used t...

Page 3: ...o 70 NOTE The gas manifold and controls met safe lighting and other performance criteria when the water heater underwent tests specified in ANSI Z21 10 3 latest edition FOR THE INSTALLER FOREWORD This...

Page 4: ...FOR THE CONTRACTOR 14 ITEMS SHIPPED WITH THE WATER HEATER 15 SAFETY REGULATIONS 15 A OPERATION AND INSTALLATION WARNINGS 15 B IMPROPER COMBUSTION 16 C GAS 16 D WHEN SERVICING THE WATER HEATER 17 E WAT...

Page 5: ...nfined or Unconfined Space 34 F COMMON VENT PIPING 36 1 VENT DIAMETER SIZING AND LENGTHS 36 2 RECOMMENDED EXHAUST PIPE TRANSITIONS 37 3 TWO PIPE VENT SYSTEM DIRECT VENT 38 INSTALL THE CONDENSATE DRAIN...

Page 6: ...r Type 64 2 Setting the Recirculation Run Time Pro9 Recirculation Timer 65 3 Resetting the Recirculation Run Time 66 J ERROR MODE 67 K ERROR TREE ANALYSIS 67 1 FLAME DETECTION 71 2 GAS DETECTION 72 3...

Page 7: ...g flood physical damage or any other damaging condition that might affect the operation of the unit Have the water heater checked by a qualified technician before resuming operation DO NOT use this wa...

Page 8: ...ny area likely to cause or contain contamination or if products which would contaminate the air cannot be removed the intake must be re piped and terminated to another location DO NOT re pipe ventilat...

Page 9: ...d at once If the water heater is not to be used for an extended period of time during freezing conditions consider shutting down the system and draining it of water Shut off the gas and cold water sup...

Page 10: ...ter heater piping and gas supply piping for corrosion or signs of potential leakage The water heater must be inspected and serviced annually preferably at the start of the heating season by a qualifie...

Page 11: ...ect the intake pipe bracing Ensure bracing is undamaged and in good condition Notify a qualified service technician if any problems are found Check Pressure Relief Valve Visually inspect the primary p...

Page 12: ...he water heater Observe operation for five minutes and ensure it operates properly WARNING WARNING Have leaks fixed at once by a qualified service technician Failure to comply could result in substant...

Page 13: ...onnected to the correct gas supply Hot Water Temperature Fluctuates at Tap Ensure the filter in the cold water supply line is not clogged with debris Make sure the water heater is connected to the cor...

Page 14: ...AP18733 REV 3 2 17 14 THE FOLLOWING ARE INSTALLATION INSTRUCTIONS FOR THE CONTRACTOR...

Page 15: ...ws the location of the gas shut off valve and how to operate it Immediately close the gas shut off valve if the water heater is subjected to fire overheating flood physical damage or any other damagin...

Page 16: ...ct of God and IS NOT covered under product warranty Be sure to disconnect electrical power before opening water heater cabinet or performing service Label all wires while performing service to ensure...

Page 17: ...rt 143 3 as shown in the table below If the water contains contaminants higher than outlined by the EPA water treatment is recommended and additional more frequent maintenance may be required If you s...

Page 18: ...1 second This heater can deliver scalding water Be careful whenever using hot water to avoid scalding injury Certain appliances such as dishwashers and automatic clothes washers may require increased...

Page 19: ...W C 3 VENT 0 07 W C 0 02 W C 0 07 W C 0 02 W C High Fire 2 VENT 0 38 W C 0 3 W C 0 36 W C 0 28 W C 3 VENT 0 33 W C 0 25 W C 0 31 W C 0 23 W C Power Supply Main Supply 120V 60Hz Maximum Power Consumpti...

Page 20: ...Control Panel 9 Mixing Valve 10 Recirculation Pump 11 DHW supply Adapter 12 Condensate Trap 13 Low level sensor 14 Recirculation Return Adapter NO Name of Component 15 Main Controller 16 DHW Inlet Fi...

Page 21: ...t Outlet Pipe 3 7 6 cm B Air Intake 3 7 6 cm C DHW Outlet Adapter 1 9 cm D Condensate Adapter 1 2 cm E Recirculation Return 1 9 cm F DHW Inlet Adapter 1 9 cm G Gas Inlet 1 9 cm 6 1 156mm 5 4 136mm 2 4...

Page 22: ...arranty The service life of the water heater s exposed metallic surfaces such as the cabinet as well as internal surfaces such as the heat exchanger are directly influenced by proximity to damp and sa...

Page 23: ...ke note of the water heater model and serial number See Table 8 for recommended service clearances If these minimum clearances are not provided it may not be possible to service the water heater witho...

Page 24: ...is installed on the floor level where the gas appliance is installed unless the appliance is located in a detached uninhabitable structure separate from the dwelling building or structure used in who...

Page 25: ...allation conforms to the National Fuel Gas Code ANSI Z223 1 When resizing any portion of the common venting system the common venting system should be resized to approach the minimum size as determine...

Page 26: ...heater to be lifted into its installation location The water heater may be installed on any suitable internal wall suitable sound proofing may be required when installing onto a stud partition wall PO...

Page 27: ...ion air must be supplied directly from the outdoors to the burner and the flue exhaust gases should be vented directly to the outdoors through the wall or roof 4 This water heater uses 2 5 1 cm or 3 7...

Page 28: ...NOT vent the water heater in a chimney flue serving a separate appliance designed to burn solid fuel The water heater may only be vented in vacant chimneys Maximum Snow Level Determination These inst...

Page 29: ...eter regulator assembly 3 feet 91 cm with a height 15 feet 4 57 m above meter regulator assembly I Clearance to service regulator vent outlet 3 feet 91 cm J Clearance to non mechanical air supply inle...

Page 30: ...CPVC pipe and fittings of the same diameter are considered interchangeable Use of cellular core pipe PVC ASTM F891 cellular core CPVC or Radel polyphenysulfone in nonmetallic venting systems is prohi...

Page 31: ...PVC PP D TIGHTENING WATER HEATER COLLAR TO EXHAUST VENT AND INTAKE PIPE This appliance uses 2 5 1 cm or 3 7 6 cm diameter pipe for exhaust vent and intake pipe In order to use 2 5 1 cm pipe it is requ...

Page 32: ...ed and the exhaust must be pitched a minimum of 0 6 cm per foot back to the appliance to allow drainage of condensate When placing support brackets on vent piping the first bracket must be within 1 fo...

Page 33: ...pitched a minimum of 0 6 cm per foot back to the appliance to allow drainage of condensate When placing support brackets on vent piping the first bracket must be within 1 foot 30 cm of the appliance a...

Page 34: ...e with volume less than 50 cubic feet per 1 000 Btu hour 4 8 cubic meters per kW of the total input rating of all fuel burning appliances installed in that space Rooms connected directly to this space...

Page 35: ...t and detailing required by local codes INDOOR COMBUSTION AIR SINGLE PIPE _HORIZIONTAL INSERT SCREEN IN EACH OPEN END OF TEE INDOOR COMBUSTION AIR SINGLE PIPE _Vertical ROOF FLASHING 3 Min 7 5cm MAINT...

Page 36: ...h exhaust vent and intake pipes The following chart outlines the maximum length of common venting allowable A vent system s length is calculated by adding the length of all straight pieces used both h...

Page 37: ...AP18733 REV 3 2 17 37 2 RECOMMENDED EXHAUST PIPE TRANSITIONS Figure 14 Recommended Exhaust Pipe Transitions...

Page 38: ...multiple heaters WARNING All vent pipes must be glued properly supported and the exhaust must be pitched a minimum of per foot back to the appliance to allow drainage of condensate When placing suppo...

Page 39: ...n the vent pipe Appliance venting must be readily accessible for visual inspection for the first three feet from the appliance NOTE This drawing is meant only to demonstrate system venting The install...

Page 40: ...ffix LP after the model serial number Make sure the gas line pressures are within normal limits Pressures outside normal limits can result in poor performance and hazardous operating conditions This w...

Page 41: ...ic Feet per Hour 1 5 Specific Gravity 0 5 WC 0 12 kPa Pressure Drop 10 20 30 40 50 60 80 100 150 200 1 2 cm 291 200 160 137 122 110 101 94 84 67 1 9 cm 608 418 336 287 255 231 212 197 175 140 1 2 5 cm...

Page 42: ...gas shut off valve should be installed in the gas supply line close to the water heater See Figure 18 for detail 5 To facilitate any future maintenance it is also recommended that an approved gas unio...

Page 43: ...ble 18 LP GAS NATURAL GAS Minimum Pressure 5 0 W C 1 25 kPa Maximum Pressure 13 0 W C 3 24 kPa Manifold pressure port Inlet Gas pressure port Figure 21 Excess Flow Valve EFV Table 18 Gas Pressure Requ...

Page 44: ...at hot water faucet 5 Allow appliance to operate normally Ensure it is operating properly 6 Reinstall the appliance front cover WATER PIPING A GENERAL PLUMBING CONNECTION GUIDELINES Pipe material mus...

Page 45: ...Modes Cross over kit is available for installations where dedicated return lines are not available Standard DHW Mode This is the operating mode when there is a call for hot water External Recirculatio...

Page 46: ...t are recommended for ease of service D APPLICATIONS B INSTALL A BACKFLOW PREVENTER It may be recommended to use a back flow preventer check local codes If a back flow preventer or a no return valve i...

Page 47: ...ment and detailing required by local codes When using external recirculation mode with the built in pump check the following maximum recir culation pipe lengths including fittings 3 4 pipe is recommen...

Page 48: ...Oulet Condensate Hose Cold Water Inlet Gas Expansion Tank Install according to local code Preheat or Internal Recirculation Mode may be used without an installed recirculation pipe The water heater is...

Page 49: ...ater heater When installing observe the following guidelines Failure to comply with these guidelines can result in substantial property damage personal in jury or death This water heater must be provi...

Page 50: ...he water heater off and call a plumber immediately Take care whenever operating relief valve to avoid scalding injury or property damage For water heaters installed with only a pressure relief valve t...

Page 51: ...ne DIP switch DIP switches 6 and 7 need to be set to OFF for the water heater to operate normally Dip Switch Detail Factory Setting Shown DIP SWITCH OFF ON 1 3 Factory Use Only Factory Use Only 4 Fact...

Page 52: ...AP18733 REV 3 2 17 52...

Page 53: ...AP18733 REV 3 2 17 53...

Page 54: ...LV 5V 2 GND 3 RS485 CN4 LWD1140 06 1 FAN Unused 2 GND SELV 30V 3 VDD SELV 14V 4 Fan power start coil SELV 30V 5 Fan power end coil 6 Fan speed feedback signal SELV 14V CN8 SMW250 04 1 MCU ISP GND SELV...

Page 55: ...MW250 07 1 AGM AGM Stepper Motor Coil Y Phase SELV 24V 2 3 AGM Stepper Motor Coil X Phase 4 5 GND 6 AGM Stepper Motor Position SELV 14V 7 VDD SELV 24V CN10 SMW250 08 1 DHM Mixing Valve DHM Stepper Mot...

Page 56: ...OR DESCRIPTION HT SELV NO OF LOCATION PIN BOARD SILK CN3 SMW250 06 1 OPB Optional Push Button SELV 5V 2 3 Unused 4 FLUX1 VCC SELV 5V 5 Water Flow Sensor 6 GND CN5 SMW250 10 1 RPM Fan RPM Check 2 GND T...

Page 57: ...t Menu by Pressing Dial Button Scroll Values by Turning Dial Clockwise or Counterclockwise Figure 32 Water Heater Control Panel Detail B LCD DISPLAY DESCRIPTIONS Status Display Mode or Installer Mode...

Page 58: ...ware Version for Front Panel 1 Sec SPn 1 Sec 00 XX Software Version for Water Heater 1 Sec SFn 1 Sec XX XX Hardware Version for Water Heater 1 Sec Hdn 1 Sec 00XX Table 24 Start Up Sequence The Control...

Page 59: ...lay High temperature DHW Set Point range is 121 F 140 F 49 5 C 60 C Turn the dial counterclockwise to lower and clockwise to raise the DHW set point After changing the temperature press the button to...

Page 60: ...ameter details press the button at the appropriate screen Press the or buttons to leave the parameter Press the button again to return to Operation Mode To turn on Lock Mode press the button at the C...

Page 61: ...24 Tilte 24 Mode bYPS Cross over 8 RT HI 2 Recirculation Temperature Sets Recirculation Temperature Range LO Low Temperature HI 1 Middle Temperature HI 2 High Temperature 9 HT HI 2 Hot Water Temperatu...

Page 62: ...ecirculation Modes When calls for hot water are satisfied the water heater is factory programmed to Preheat and au tomatically maintain the temperature set point of the water heater 24 hours a day 7 d...

Page 63: ...from 7 RM to Etnl from installer mode and set one of three options LO Low temp HI 1 Middle temp and H1 2 High temp from 8 RT in installer mode Hotter water increases the risk of scald injury Scalding...

Page 64: ...Day and Time can be programmed Default 6 7 30AM 6 7 30 PM Step 3 Reset the Recirculation Run Time setting Setting Setting Setting Resets the Pro9 or Auto Recirculation Run Time to the factory setting...

Page 65: ...etting the Recirculation Run Time Pro9 Recirculation Timer Figure 42 Setting the Recirculation Run Time c To set the day ensure Pro9 is on the display Turn the dial When the desired day appears on the...

Page 66: ...ttings are stored press to return to Standby Mode Figure 46 Storing Recirculation Run Time 3 Resetting the Recirculation Run Time NOTE This step is only necessary if the Pro9 or Auto Recirculation Run...

Page 67: ...n 1 Monitor the gas pressure to the water heater while in operation Ensure pressure is be tween 5 0 W C and 13 0 W C 1 25 to 3 24 kPa 2 Check gas valve wire Ensure connection is secure 3 Check flame d...

Page 68: ...Er 32 Water Outlet Sensor Open or Short This Error Code will go away when outlet water temperature decreases If Error happens again 1 Check DHW outlet temperature sensor Ensure connections are secure...

Page 69: ...happens again 1 Ensure water heater inlet and outlets are open and water is supplied to the water heater If Error happens again 1 Ensure water heater inlet and outlets are open and water is supplied...

Page 70: ...cation This Error Code will go away when the condition is remedied If Error happens again 1 Check connections from main control to display panel 2 If the problem persists replace the display and or th...

Page 71: ...inations for obstructions If no obstructions are found reset the water heater by pressing the power button If the error continues to occur call a qualified service technician or the gas supplier to ch...

Page 72: ...AP18733 REV 3 2 17 72 2 GAS DETECTION 3 AIR PRESSURE SWITCH Figure 51 Gas Detection Error Analysis Tree Figure 52 Air Pressure Switch Analysis Tree...

Page 73: ...AP18733 REV 3 2 17 73 4 Inlet DHW Operating Temperature SENSORS Figure 53 Inlet DHW Operating Temperature Sensors Error Analysis Tree...

Page 74: ...the exhaust vent and intake pipes been properly installed into the connectors provided on the water heater INSTALL CONDENSATE PIPING TUBING AND COMPONENTS Have all condensate line components included...

Page 75: ...0 60 1155 149 65 989 158 70 850 167 75 733 176 80 635 185 85 552 194 90 482 203 95 421 212 100 370 DHW Inlet Temperature Sensor 7850P 015 Exhaust Temperature Sensor 7850P 070 Temperature F C Resistanc...

Page 76: ...cold water already in the pipes to flow from the faucet b Have recirculation valves and or plumbing return line s installed and program the unit for recirculation mode The water is not hot enough Is...

Page 77: ...roducts immediately from area If contaminates have been there for an extended period call a qualified service technician to inspect the water heater for possible damage from acid corrosion If products...

Page 78: ...water heater could encounter combustion problems To clean the air intake filter 1 Press the Power button on the control panel to turn off the water heater 2 Disconnect the power supply from the water...

Page 79: ...the lever and allow the valve to seat Watch the end of the relief valve discharge pipe to ensure that the valve does not weep after the line has had time to drain If the valve weeps lift the lever aga...

Page 80: ...valves V3 and V4 on the hot water outlet and cold water inlet lines 6 Turn on the circulation pump Operate the pump and allow the cleaning solution to circulate through the water heater for at least...

Page 81: ...ng Valve 6 Igniter 7 Gas Valve Assembly 8 Burner Assembly 9 Blower Silencer 10 Flow Control Valve 11 Air Pressure Switch 12 Water Leak Detector Ref Description 13 Hot Water Pipe Assembly 14 Rocker Swi...

Page 82: ...AP18733 REV 3 2 17 82...

Page 83: ...AP18733 REV 3 2 17 83...

Page 84: ...p at 1 8 0 3 cm CONDENSATE Condensate Trap Clean debris from the condensate trap Fill with clean water Neutralizer Check condensate neutralizer Replace if necessary Condensate hose Disconnect condensa...

Page 85: ...AP18733 REV 3 2 17 85 MAINTENANCE NOTES...

Page 86: ...after the installer has reviewed the installation safety proper operation and maintenance of the system In the case that the system has any problems please call the installer If you are unable to mak...

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