Rheem AP13945-2- Manuals

5 Both LP and natural gas have an odorant added to aid in detecting a gas leak. Some people may not physically be able to smell or recognize this odorant. If you are unsure orunfamiliar with the smell of LP or natural gas, ask the gas supplier. Other conditions, suchas “odorant fade”, which causes t...

6 Have the installer show you the location of the gas shut-off valve and how to shut it off ifnecessary. Turn off the manual shut-off valve if the water heater has been subjected tooverheating, fire, flood, physical damage or if the gas supply fails to shut off. ● Read this manual entirely beforeins...

Installing the water heater : This water heater must be installed in accordance with these instructions, local codes, utility companyrequirements, and/or in the absence of local codes, use the latest edition of the American NationalStandard/National Fuel Gas Code. A copy can be purchased from either...

Installing the water heater: Corrosive Atmospheres The air in beauty shops, dry cleaningestablishments, photo processing labs,and storage areas for liquid and powderedbleaches or swimming pool chemicalsoften contain such halogenatedhydrocarbons. An air supply containing halogenatedhydrocarbons may b...

Venting The installation of venting must comply withnational codes, local codes, and the ventmanufacturer’s instructions. The water heater must be vented to theoutdoors as described in these instructions. DO NOT connect this water heater to a Chimney. It must be vented separately fromall other appli...

Venting Through Closed Spaces If the vent piping passes through a closed space, a minimumclearance of 8” (20 cm) when installed horizontally, 6” (15 cm)when installed vertically should be maintained between the ventpipe and combustibles and noncombustibles. Be sure to followlocal codes and vent manu...

11 D V V E FIXEDCLOS ED OPE RAB LE OPE RAB LE FIXE D CLOS ED v v B L F C B v v v X B B B A J C I H X v M K v G A The following information should be used for determining the proper location of the vent terminalfor direct vent tankless water heaters. V V VE EN NT T T TE ER RM MIIN NA ALL X A AIIR R S...

Additional Considerations Do Not install vent terminal under any patio or deck. To help prevent moisture from freezing on walls and under eaves, do not locate vent terminal on the side of a buildingwith prevailing winter winds. To help prevent water lines from freezing do not locate ventterminal on ...

Wipe ends with alcohol pads Male End Female End Snap Ring Outer Vent1” Overlap Install Self-Tapping Screws Before starting the vent installation,careful planning should be given to therouting and termination of the vent andair intake pipe see Figure on page 11and 12. The vent system requiresmechanic...

14 Installing the water heater: Horizontal Vent Installation continued. Use 4 hollow wall anchors, at least 1/8“(0.32 cm) in diameter and of appropriatelength for the thickness of the sheathing,if sheathing is particle board or othercomposite material. Use 4 #10x1-1/4” wood screws forplywood, solid ...

15 Vertical Vent Installation A fire stop plate should be installed atevery penetration of a floor or ceiling ifthe vent is not running in a fire-ratedshaft. Maintain the recommended airspace clearance to combustible materialsand building insulation. Once the vent terminal location has beendetermine...

NOTICE: Do not applyheat to the HOT or COLDwater connections. If sweatconnections are used, sweattubing to adapter beforefitting adapter to the waterconnections on heater. Anyheat applied to the watersupply fittings willpermanently damage theinternal components of thewater heater. Mounting the Water...

17 Water Supply Connections continued. ● To supply hot water to upper floors,additional water pressure (0.44 psi/ft)(10 kPa/m) must be ensured. Themeasurement should be calculated bythe distance between the water inlet ofthe water heater (ground level) to thehot water faucet (upper floor level). ● W...

18 Installing the water heater: Relief Valve A new pressure relief valve, complyingwith the Standard for Relief Valves andAutomatic Gas Shut-Off Devices for HotWater Supply Systems, ANSI Z21.22/CSA 4.4, must be installed at the hotwater outlet connection of the waterheater at the time of installatio...

T h i s w a t e r h e a t e r i s c e r t i f i e d f o r i n s t a l -l a t i o n s u p t o 3 , 2 8 0 f e e t ( 1 0 0 0 m ) a b o v es e a l e v e l . T h e i n p u t r a t i n g o f t h i s w a t e rh e a t e r i s b a s e d o n s e a l e v e l o p e r a t i o n .A t h i g h e r e l e v a t i o n ...

20 Installing the Main Remote Control. Remote Control Installation One (1) remote control is provided withthe water heater. Additional remotecontrols may be purchased separately.Up to three (3) remote controls can beused with this water heater. The following are considerations fordetermining the loc...

22 Installing the water heater. Electrical Connection POWER CORD: ● The electric power supply requirementfor this water heater is 120 VAC/60HZ,2 Amps. ● The water heater comes with a three (3)pin power supply cord. Use only apower outlet with a ground terminal. ● The installation of an electric leak...

23 Typical Installation of Direct Vent Water Heater

24 Installing the water heater: For increased energy efficiency, use pipeinsulation. Please install the insulation,according to the figures above, making sure to insulate all the way to the top. Do not cover any drain or pressure relief valve(s). Do’s ❑ Do follow all installation instructions covere...

25 A. Water Heater Location ❑ Close to area of vent termination. ❑ Indoors and protected from freezing temperatures . ❑ Proper clearance from combustible surfaces observed. ❑ Sufficient fresh air supply for proper operation of water heater. ❑ Air supply free of corrosive elements and flammable vapor...

26 Lighting the water heater: Before operating this water heater, be sure to read and follow the instructions on the label picturedbelow and all other labels on the water heater, as well as the warnings printed in this manual. Failure todo so can result in unsafe operation of the water heater result...

27 Time/Temperature Relationship in Scalds Water Temperature Time To Produce a Serious Burn 120°F (49°C) More than 5 minutes 125°F (52°C) 1 1 / 2 to 2 minutes 130°F (54°C) About 30 seconds 135°F (57°C) About 10 seconds 140°F (60°C) Less than 5 seconds 145°F (63°C) Less than 3 seconds 150°F (66°C) Ab...

28 Operating the water heater continued. Water Temperature Setting… Maximum water temperature occurs whilethe burner is on. To determine the watertemperature, turn on a hot water faucetand place a thermometer in the waterstream. Water temperature at the faucetmay vary depending on season and lengtho...

29 Care and cleaning of the water heater: Routine Preventive Maintenance Properly maintained, your water heaterwill provide years of dependable trouble-free service. It is recommended that a periodicinspection of the burner, relief valve,water filter, and venting system should bemade by service pers...

30 Venting System Inspection The venting system of a direct vent waterheater should be inspected annually toensure all of the vent sections are secureand air-tight. It is recommended that qualified servicepersonnel familiar with Category IIIventing inspect the venting system. Check vent connection j...

31 Draining the Water Heater Freeze Protection Where the water heater may be exposed tofreezing conditions, even for a shortperiod of time, be sure to drain all waterfrom the unit as instructed above. Exposure to freezing conditions can occurfrom down draft of venting system orfrom installation in a...

Before You Call For Service… Troubleshooting TipsSave time and money! Review the charts on the following pages first and you may not need to call for service. CAUTION: For your safety DO NOT attempt repair of electrical wiring, gas piping, remote control, burners, vent connectors or other safety dev...

Error Code Guide When an error code is displayed: ● Close the hot water faucet, turn off the switch on theremote control. ● Wait for about 5 minutes before turning the switch onagain. ● Open the hot water faucet. If the error code remains shown: ● Close the hot water faucet and turn off the switch o...

SP ARK UNIT ACS-201X A.C. 100V 0401 ON 1 2 3 4 DIP1 ON OFF 1 2 3 4 SW1 SW2 SW3 Gas Valve Assembly Heat Exchanger Thermistor Heat Exchanger Outlet Thermistor Burner Assembly (with ODS) Blower Motor Flame Rod/ Electrodes Transformer Water Flow Solenoid Inlet Thermistor Ignitor PC Board (PCB) Burner As...

36 IF YOU NEED SERVICE 1. Should you have any questions about your new water heater, or if it requires adjustment, repair, or routinemaintenance, it is suggested that you first contact your installer, plumbing contractor or previously agreed uponservice agency. In the event the firm has moved, or is...

5 Both LP and natural gas have an odorant added to aid in detecting a gas leak. Some people may not physically be able to smell or recognize this odorant. If you are unsure orunfamiliar with the smell of LP or natural gas, ask the gas supplier. Other conditions, suchas “odorant fade”, which causes t...

6 Have the installer show you the location of the gas shut-off valve and how to shut it off ifnecessary. Turn off the manual shut-off valve if the water heater has been subjected tooverheating, fire, flood, physical damage or if the gas supply fails to shut off. ● Read this manual entirely beforeins...

Installing the water heater : This water heater must be installed in accordance with these instructions, local codes, utility companyrequirements, and/or in the absence of local codes, use the latest edition of the American NationalStandard/National Fuel Gas Code. A copy can be purchased from either...

Installing the water heater: Corrosive Atmospheres The air in beauty shops, dry cleaningestablishments, photo processing labs,and storage areas for liquid and powderedbleaches or swimming pool chemicalsoften contain such halogenatedhydrocarbons. An air supply containing halogenatedhydrocarbons may b...

Venting The installation of venting must comply withnational codes, local codes, and the ventmanufacturer’s instructions. The water heater must be vented to theoutdoors as described in these instructions. DO NOT connect this water heater to a Chimney. It must be vented separately fromall other appli...

Venting Through Closed Spaces If the vent piping passes through a closed space, a minimumclearance of 8” (20 cm) when installed horizontally, 6” (15 cm)when installed vertically should be maintained between the ventpipe and combustibles and noncombustibles. Be sure to followlocal codes and vent manu...

11 D V V E FIXEDCLOS ED OPE RAB LE OPE RAB LE FIXE D CLOS ED v v B L F C B v v v X B B B A J C I H X v M K v G A The following information should be used for determining the proper location of the vent terminalfor direct vent tankless water heaters. V V VE EN NT T T TE ER RM MIIN NA ALL X A AIIR R S...

Additional Considerations Do Not install vent terminal under any patio or deck. To help prevent moisture from freezing on walls and under eaves, do not locate vent terminal on the side of a buildingwith prevailing winter winds. To help prevent water lines from freezing do not locate ventterminal on ...

Wipe ends with alcohol pads Male End Female End Snap Ring Outer Vent1” Overlap Install Self-Tapping Screws Before starting the vent installation,careful planning should be given to therouting and termination of the vent andair intake pipe see Figure on page 11and 12. The vent system requiresmechanic...

14 Installing the water heater: Horizontal Vent Installation continued. Use 4 hollow wall anchors, at least 1/8“(0.32 cm) in diameter and of appropriatelength for the thickness of the sheathing,if sheathing is particle board or othercomposite material. Use 4 #10x1-1/4” wood screws forplywood, solid ...

15 Vertical Vent Installation A fire stop plate should be installed atevery penetration of a floor or ceiling ifthe vent is not running in a fire-ratedshaft. Maintain the recommended airspace clearance to combustible materialsand building insulation. Once the vent terminal location has beendetermine...

NOTICE: Do not applyheat to the HOT or COLDwater connections. If sweatconnections are used, sweattubing to adapter beforefitting adapter to the waterconnections on heater. Anyheat applied to the watersupply fittings willpermanently damage theinternal components of thewater heater. Mounting the Water...

17 Water Supply Connections continued. ● To supply hot water to upper floors,additional water pressure (0.44 psi/ft)(10 kPa/m) must be ensured. Themeasurement should be calculated bythe distance between the water inlet ofthe water heater (ground level) to thehot water faucet (upper floor level). ● W...

18 Installing the water heater: Relief Valve A new pressure relief valve, complyingwith the Standard for Relief Valves andAutomatic Gas Shut-Off Devices for HotWater Supply Systems, ANSI Z21.22/CSA 4.4, must be installed at the hotwater outlet connection of the waterheater at the time of installatio...

T h i s w a t e r h e a t e r i s c e r t i f i e d f o r i n s t a l -l a t i o n s u p t o 3 , 2 8 0 f e e t ( 1 0 0 0 m ) a b o v es e a l e v e l . T h e i n p u t r a t i n g o f t h i s w a t e rh e a t e r i s b a s e d o n s e a l e v e l o p e r a t i o n .A t h i g h e r e l e v a t i o n ...

20 Installing the Main Remote Control. Remote Control Installation One (1) remote control is provided withthe water heater. Additional remotecontrols may be purchased separately.Up to three (3) remote controls can beused with this water heater. The following are considerations fordetermining the loc...

22 Installing the water heater. Electrical Connection POWER CORD: ● The electric power supply requirementfor this water heater is 120 VAC/60HZ,2 Amps. ● The water heater comes with a three (3)pin power supply cord. Use only apower outlet with a ground terminal. ● The installation of an electric leak...

23 Typical Installation of Direct Vent Water Heater

24 Installing the water heater: For increased energy efficiency, use pipeinsulation. Please install the insulation,according to the figures above, making sure to insulate all the way to the top. Do not cover any drain or pressure relief valve(s). Do’s ❑ Do follow all installation instructions covere...

25 A. Water Heater Location ❑ Close to area of vent termination. ❑ Indoors and protected from freezing temperatures . ❑ Proper clearance from combustible surfaces observed. ❑ Sufficient fresh air supply for proper operation of water heater. ❑ Air supply free of corrosive elements and flammable vapor...

26 Lighting the water heater: Before operating this water heater, be sure to read and follow the instructions on the label picturedbelow and all other labels on the water heater, as well as the warnings printed in this manual. Failure todo so can result in unsafe operation of the water heater result...

27 Time/Temperature Relationship in Scalds Water Temperature Time To Produce a Serious Burn 120°F (49°C) More than 5 minutes 125°F (52°C) 1 1 / 2 to 2 minutes 130°F (54°C) About 30 seconds 135°F (57°C) About 10 seconds 140°F (60°C) Less than 5 seconds 145°F (63°C) Less than 3 seconds 150°F (66°C) Ab...

28 Operating the water heater continued. Water Temperature Setting… Maximum water temperature occurs whilethe burner is on. To determine the watertemperature, turn on a hot water faucetand place a thermometer in the waterstream. Water temperature at the faucetmay vary depending on season and lengtho...

29 Care and cleaning of the water heater: Routine Preventive Maintenance Properly maintained, your water heaterwill provide years of dependable trouble-free service. It is recommended that a periodicinspection of the burner, relief valve,water filter, and venting system should bemade by service pers...

30 Venting System Inspection The venting system of a direct vent waterheater should be inspected annually toensure all of the vent sections are secureand air-tight. It is recommended that qualified servicepersonnel familiar with Category IIIventing inspect the venting system. Check vent connection j...

31 Draining the Water Heater Freeze Protection Where the water heater may be exposed tofreezing conditions, even for a shortperiod of time, be sure to drain all waterfrom the unit as instructed above. Exposure to freezing conditions can occurfrom down draft of venting system orfrom installation in a...

Before You Call For Service… Troubleshooting TipsSave time and money! Review the charts on the following pages first and you may not need to call for service. CAUTION: For your safety DO NOT attempt repair of electrical wiring, gas piping, remote control, burners, vent connectors or other safety dev...

Error Code Guide When an error code is displayed: ● Close the hot water faucet, turn off the switch on theremote control. ● Wait for about 5 minutes before turning the switch onagain. ● Open the hot water faucet. If the error code remains shown: ● Close the hot water faucet and turn off the switch o...

SP ARK UNIT ACS-201X A.C. 100V 0401 ON 1 2 3 4 DIP1 ON OFF 1 2 3 4 SW1 SW2 SW3 Gas Valve Assembly Heat Exchanger Thermistor Heat Exchanger Outlet Thermistor Burner Assembly (with ODS) Blower Motor Flame Rod/ Electrodes Transformer Water Flow Solenoid Inlet Thermistor Ignitor PC Board (PCB) Burner As...

36 IF YOU NEED SERVICE 1. Should you have any questions about your new water heater, or if it requires adjustment, repair, or routinemaintenance, it is suggested that you first contact your installer, plumbing contractor or previously agreed uponservice agency. In the event the firm has moved, or is...