Lochinvar RPD-I-S User Manual Download Page 36 | Manualshive

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RPD-I-S Rev A

36

Wiring Diagram

Figure 16

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Summary of Contents for RPD-I-S

Page 1: ...llow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier For your family s comfort safety and convenience we recommend this water heater be installed and serviced by a plumbing professional INSTALLATION AND OPERATING INSTRUCTION MANUAL FOR YOUR SAFETY Do...

Page 2: ...ion Resistant System In the event of improper usage or storage of gasoline or other flammable materials in the location where the water heater is installed the technology will resist ignition of the flammable vapors outside the confines of the water heater The Flammable Vapor Ignition Resistant System features Flammable Vapor Sensor Automatic Ignition Device Sight Window to observe operation of pi...

Page 3: ...fications for 40 Gal 151 4 L 50 Gal 189 2 L 21 Vent pipe preparation and joining 30 Water Connections 31 Gas Connections 34 Electrical Connections 35 Wiring Diagram 36 GENERAL OPERATION 37 Lighting and Shutdown Instructions 38 Thermostat Adjustment 39 Burner Flame Check 40 MAINTENANCE 41 TROUBLESHOOTING 45 PARTS LIST AND PARTS LIST DRAWING 47 INSTALLATION INSTRUCTIONS FOR POTABLE WATER AND SPACE H...

Page 4: ...ullify the warranty Do not use this appliance if any external part has been submerged in water You should contact a qualified service technician to inspect the appliance and to replace any part of the control system including the combination gas control which has been submerged in water Make sure that you check the rating plate and combination gas control on the water heater to be certain that the...

Page 5: ... or in Canada CAN CGA B149 1 Natural Gas Installation Code Latest Edition or CAN CGA B149 2 Propane Installation Code Latest Edition The location of this water heater is of the utmost importance Before installing this water heater read the installation section of these instructions After reading these installation and operating instructions select a location for the water heater where the floor is...

Page 6: ... THE WATER HEATER To comply with NSF requirements this water heater is to be a Sealed to the floor with sealant in a smooth and easily cleanable way or b Installed with an optional leg kit that includes legs and or extensions that provide a minimum clearance of 6 beneath the water heater WARNING Liquefied petroleum gases propane gas are heavier than air and will remain at floor level if there is a...

Page 7: ... of four 4 inches 10 2 cm be provided on the side of the water heater for servicing and maintenance of the combination temperature and pressure relief valve This water heater MUST be installed indoors out of the wind and weather Note For California installation this water heater must be braced anchored or strapped to avoid falling or moving during an earthquake See instructions for correct install...

Page 8: ...depth of the appliance by at least three 3 inches 7 6 cm in any direction or if the appliance is to be installed in an alcove or closet the entire floor must be covered by the panel The minimum clearances to combustibles for this water heater are zero 0 inch 0 cm from the sides and rear five 5 inches 12 7 cm from the front of the jacket zero 0 inch 0 cm from the vent connector and fifteen 15 inche...

Page 9: ...or balcony 12 inches 30 cm b 1 In accordance with the current CAN CGA B149 Installation Codes 2 In accordance with the current ANSI Z223 1 Latest edition NFPA 54 National Fuel Gas Code A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings Permitted only if a veranda porch deck or balcony is fully open on...

Page 10: ...due to adverse local climate conditions prevailing wind direction wind speed termination orientation etc The optional concentric vent terminal is more resistant to this ice build up In more severe temperature conditions an optional manufacturer approved air intake relief device is available and may be installed per the instructions to prevent nuisance shut down of the water heater The air intake r...

Page 11: ...ors This water heater may be either vented horizontally through the wall or vertically through the roof Use a 3 7 6 cm to 4 10 2 cm reducer to connect to the intake and outlet when using 4 10 2 cm vent pipe Apply the proper cement at the joint locations Table 1 lists the maximum vent lengths for this water heater using 3 7 6 cm intake and exhaust pipe If possible locate the water heater so that th...

Page 12: ...29 0 85 25 9 10 3 1 Through the Wall 2 90 27 4 80 24 4 10 3 1 Through the Wall 3 85 25 9 75 22 9 10 3 1 Through the Wall 4 80 24 4 70 21 3 10 3 1 Through the Wall 5 75 22 9 65 19 8 10 3 1 Through the Roof 0 100 30 5 90 27 4 15 4 6 Through the Roof 1 95 29 0 85 25 9 15 4 6 Through the Roof 2 90 27 4 80 24 4 15 4 6 Through the Roof 3 85 25 9 75 22 9 15 4 6 Through the Roof 4 80 24 4 70 21 3 15 4 6 I...

Page 13: ...ducer is used just prior to exiting the building Exit the building wall with 3 7 6 cm vent pipe using the 3 7 6 cm 90 vent terminal supplied Two 45 elbows are equivalent to one 90 elbow Figure 2 IMPORTANT All of the Venting connections must be leak checked with a soap and water solution upon initial start up of the water heater Any leaks must be repaired before continuing operation of the water he...

Page 14: ...nal provided with the water heater to the vent connector The distance between the edge of the 90 vent terminal and the exterior wall see Figure 3 must be 1 in 2 5 cm The exhaust and intake must not be less than 16 40 6 cm apart see figure 4a Use the proper cement and assembly procedures to secure the vent connector joints between the terminal and the blower outlet Provide support brackets for ever...

Page 15: ...he end terminal with the external domed screen must be installed on the intake vent as shown above Vent terminal configuration for cold climates Figure 4b The exhaust should be installed above the air intake on the diagonal 18 horizontal and 18 vertical from the air intake see figure 4b and should extend from the finished wall by a minimum of 10 The air intake screen can be removed for cold instal...

Page 16: ...connector joints between the terminal and the blower outlet Provide support brackets for every 5 feet 1 5 m of horizontal vent Figure 5 THROUGH THE ROOF VENTING VERTICAL VENTING STANDARD TERMINALS Cut the necessary holes through the roof and ceiling and install the vent connector as shown in Figure 6 Make sure that the installation meets the local codes and or The National Fuel Gas Code ANSI Z223 ...

Page 17: ... INSTALLATION Figure 6 NOTE For installations requiring both horizontal and vertical runs the following rule must be followed Total length of straight pipe both horizontally and vertically must not exceed the maximum equivalent length listed in these instructions ...

Page 18: ... B149 installation code latest edition A condensate kit must be installed when venting through the roof Figure 7 NOTE For installations requiring both horizontal and vertical runs the following rule must be followed Total length of straight pipe both horizontally and vertically must not exceed the equivalent length listed in these instructions For the concentric vent terminal the maximum vent leng...

Page 19: ... cm above the ground or anticipated snow level the installation must be modified as shown below see Figure 8 Refer to Table 3 for maximum venting lengths using 3 7 6 cm vent pipe or Table 4 for maximum lengths using 4 10 2 cm vent pipe The exhaust and intake terminals must not be less than 16 in 40 6 cm apart see figure 4a 3 VENT INSTALLATION 4 VENT INSTALLATION Figure 8 ...

Page 20: ...TALLATIONS Terminating Reduce 4 to 3 Reduce 10 1 cm to 7 6 cm of Elbows excl vent term Max straight Length ft m Min straight Length ft m 48 65 gal 75 gal 2 90 Elbows with 1 90 Elbow 1 85 25 9 75 22 9 10 3 1 2 90 Elbows with 1 90 Elbow 2 80 24 4 70 21 3 10 3 1 2 90 Elbows with 1 90 Elbow 3 75 22 9 65 19 8 10 3 1 2 90 Elbows with 1 90 Elbow 4 70 21 3 60 18 3 10 3 1 2 90 Elbows with 1 90 Elbow 5 65 1...

Page 21: ...n straight Length ft m Through the Wall 1 80 24 4 10 3 1 Through the Wall 2 75 22 9 10 3 1 Through the Wall 3 70 21 3 10 3 1 Through the Wall 4 65 19 8 10 3 1 Through the Wall 5 60 18 3 10 3 1 Through the Roof 0 85 25 9 15 4 6 Through the Roof 1 80 24 4 15 4 6 Through the Roof 2 75 22 9 15 4 6 Through the Roof 3 70 21 3 15 4 6 Through the Roof 4 65 19 8 15 4 6 IMPORTANT The minimum equivalent leng...

Page 22: ...cer is used just prior to exiting the building Exit the building wall with 2 5 1 cm vent pipe using the 2 5 1 cm 45 vent terminals supplied Two 45 elbows are equivalent to one 90 elbow Figure 9 IMPORTANT All of the Venting connections must be leak checked with a soap and water solution upon initial start up of the water heater Any leaks must be repaired before continuing operation of the water hea...

Page 23: ...l provided with the water heater to the vent connector The distance between the edges of the 90 vent terminal and the exterior wall see Figure 10 must be 1 in 2 5 cm The exhaust and intake must not be less than 16 40 6 cm apart see figure 11a Use the proper cement and assembly procedures to secure the vent connector joints between the terminal and the blower outlet Provide support brackets for eve...

Page 24: ...intake and exhaust venting outside the building Vent terminal configuration for cold climates Figure 11b The exhaust should be installed above the air intake on the diagonal 18 horizontal and 18 vertical from the air intake see figure 11b and should extend from the finished wall by a minimum of 10 The air intake screen can be removed for cold installations but this may make the air intake suscepti...

Page 25: ...onnector joints between the terminal and the blower outlet Provide support brackets for every 5 feet 1 5 m of horizontal vent Figure 12 THROUGH THE ROOF VENTING VERTICAL VENTING STANDARD TERMINALS Cut the necessary holes through the roof and ceiling and install the vent connector as shown in Figure 13 Make sure that the installation meets the local codes and or The National Fuel Gas Code ANSI Z223...

Page 26: ...INSTALLATION Figure 13 NOTE For installations requiring both horizontal and vertical runs the following rule must be followed Total length of straight pipe both horizontally and vertically must not exceed the maximum equivalent length listed in these instructions ...

Page 27: ... B149 installation code latest edition A condensate kit must be installed when venting through the roof Figure 14 NOTE For installations requiring both horizontal and vertical runs the following rule must be followed Total length of straight pipe both horizontally and vertically must not exceed the equivalent length listed in these instructions For the concentric vent terminal the maximum vent len...

Page 28: ...or equal to 12 30 5 cm above the ground or anticipated snow level the installation must be modified as shown below see Figure 15 Refer to Table 3 for maximum venting lengths using 2 5 1 cm vent pipe or Table 4 for maximum lengths using 3 7 6 cm vent pipe The exhaust and intake terminals must not be less than 16 in 40 6 cm apart see figure 11a Figure 15 ...

Page 29: ...inating Reduce 4 to 3 Reduce 10 1 cm to 7 6 cm of Elbows excl vent term Max straight Length ft m Min straight Length ft m 2 90 Elbows with 1 90 Elbow 1 40 12 2 10 3 1 2 90 Elbows with 1 90 Elbow 2 35 10 7 10 3 1 2 90 Elbows with 1 90 Elbow 3 30 9 1 10 3 1 2 90 Elbows with 1 90 Elbow 4 25 7 6 10 3 1 2 90 Elbows with 1 90 Elbow 5 20 6 1 10 3 1 HIGH ALTITUDE INSTALLATIONS FOR ELEVATIONS OVER 2 500 FE...

Page 30: ...and outside edges of the pipe to ensure a proper seal c Applicator Tools i A natural bristle paintbrush or roller may be used to apply cement Prompt application of the cement is important due its fast drying properties 3 Inspection Cleaning Priming and Cementing a Inspect the pipe inside and out for dirt dust moisture or grease etc Check pipe and fittings for splits or cracks and replace if found ...

Page 31: ... expansion DO NOT operate this water heater in a closed system without provisions for controlling thermal expansion Your water supplier or local plumbing inspector should be contacted on how to control this situation After installation of the water lines open the main water supply valve and fill the water heater While the water heater is filling open several hot water faucets to allow air to escap...

Page 32: ...pressure relief valve into the opening provided and marked for this purpose on the water heater Note Some models may already be equipped or supplied with a combination temperature and pressure relief valve Verify that the combination temperature and pressure relief valve complies with local codes If the combination temperature and pressure relief valve does not comply with local codes replace it w...

Page 33: ...g supplier Please consult with a plumbing professional APPROXIMATE TIME TEMPERATURE RELATIONSHIPS IN SCALDS 120 F 49 C More than 5 minutes 125 F 52 C 1 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 About 1 seconds 155 F 68 C About 1 second WARNING Hydrogen gas can be produced in an operating water heate...

Page 34: ...DO NOT apply pipe dope to the gas valve inlet and make certain that no pipe dope has become lodged in the inlet screen of the gas valve Extreme care must be taken to ensure no pipe dope enters the gas valve Avoid excessive torque when tightening the gas supply line to the gas valve Excessive torque may result in cracking of the gas valve housing and could create a gas leak The suggested maximum to...

Page 35: ...pted by a switch that is used to turn on and off lights If wiring in conduit is required cut the flexible line cord flush with the bushing Remove the junction box cover and pull the pressure switch outside of the junction box Cut the three wires from the line cord at the bushing inside of the junction box Drill a hole to receive the 1 2 electrical conduit connector on the backside of the blower Wi...

Page 36: ...RPD I S Rev A 36 Wiring Diagram Figure 16 ...

Page 37: ...o the water heater 3 Close the cold water supply shut off valve 4 Open the drain valve on the water heater by turning the stem counter clockwise The drain valve has threads on the end that will allow the connection of a standard hose coupling 5 Open a hot water faucet to allow air to enter the system To refill the water heater refer to To Fill the Water Heater WARNING Water heaters are heat produc...

Page 38: ...RPD I S Rev A 38 Lighting and Shutdown instructions ...

Page 39: ...his water heater is equipped with an energy cut out device to prevent overheating Should overheating occur turn off the electrical supply to the water heater and contact a qualified service technician Thermostat Adjustment The thermostat dial is adjusted to it s lowest setting when shipped from the factory When adjusting the thermostat it should be remembered that lower temperature settings are mo...

Page 40: ...self adjusting air mixture and do not have an adjustable air shutter See Figure 18 At periodic intervals a visual check of the main burner and pilot flames should be made to determine if they are burning properly The main burner flame should light smoothly from the pilot Figure 18 ...

Page 41: ...lot burner flames to determine that they are burning properly See Burner Flame Check section If sooting or other burner anomalies are evident shut down the water heater by turning off the gas per the instructions listed in this manual or as listed on the water heater WARNING Water heaters are heat producing appliances To avoid damage or injury there must be no materials stored against the water he...

Page 42: ...oughly inspect and replace as needed burner inner door gasket and or sight window gasket any time burner inner door is removed or disturbed Replace water heater if involved in flammable vapor This water heater is equipped with a flammable vapor water heater control will shut down the water heater and display a code of 7 flashes and then a 3 second pause If a 7 flash error code is present check to ...

Page 43: ...al anode rod hot water outlet nipple has been installed to extend tank life The anode rod should be inspected periodically every 2 years and replaced when necessary to prolong tank life Water conditions in your area will influence the time interval for inspection and replacement of the anode rod Contact the plumbing professional who installed the water heater or the manufacturer listed on the rati...

Page 44: ...lier Supplier Phone No CAUTION FOR YOUR SAFETY DO NOT ATTEMPT REPAIR OF COMBINATION GAS CONTROL BURNERS OR GAS PIPING REFER REPAIRS TO A QUALIFIED SERVICE TECHNICIAN Manufactured under one or more of the following U S Patents RE 34 534 B1 5 341 770 4 416 222 4 628 184 4 669 448 4 672 919 4 808 356 4 829 983 4 861 968 4 904 428 5 000 893 5 023 031 5 052 346 5 081 696 5 092 519 5 115 767 5 199 385 5...

Page 45: ...ll for heat Tank temperature below set point of thermostat 1 Unstable pilot 2 Pilot tube block or restricted 3 Oxidation build up on pilot electrode 4 Wire damage to pilot assembly or bad connection at gas valve 1 Pressure switch tubing kinked or blocked 2 Blocked pressure tap on switch 3 Faulty pressure switch 1 Vent blockage or improper vent configuration 2 Pressure switch tubing kinked or block...

Page 46: ...es three second pause Soft lockout Pilot flame extinguished System resets after 5 minutes 1 Unstable pilot 2 Pilot tube blocked or restricted 3 Oxidation build up on pilot electrode 4 Wire damage to pilot assembly or bad connection at gas valve 5 Insufficient combustion air Control Sequence of Operation Start up Sequence Upon powering up the control checks for the presence of the vapor sensor if t...

Page 47: ... 5 Honeywell Gas Control Valve 19 Flammable Vapors Sensor 6 Drain Valve 20 Sensor Harness 7 Fiberglass Insulation not shown 21 Thermal Well 8 Foam Insulation not shown 22 Inner Door Assembly 9 Outer Door 23 Blower Harness 10 Steel Burner 24 Flue Reducer 11 Diptube Nipple 25 Tee and vent pipe assembly 12 Anode Nipple 26 Air intake boot 13 Air Shutter Cast Iron Only 27 Vapor switch mounting bracket ...

Page 48: ...as those used for boiler treatment must not be introduced into potable water used for space heating 3 This water heater must not be connected to an existing heating system or component s previously used with a non potable water heating appliance 4 When the system requires water for space heating at temperatures higher than required for other means such as an ASSE approved mixing valve must be inst...

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