Rinnai EX1 7 DT Installation And Operation Manual Download Page 7

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EX17DT and EX22DT Installation and Operation Manual

3. About the Direct Vent Furnace

3.1 Main Components

Topics in this section



Main Components



Specifications



Dimensions

Front View

Back View

❾

Figure 1: Front View

Figure 2: Back View

⓬

⓫

❿

❽

❼

❶

Control Panel

❷

Warm Air Outlet

❸

Bottom Cover (to remove, hold both

sides and pull toward you)

❹

Humidifier (to access, remove bottom

cover and pull out)

❺

Rating plate (includes model number,

serial number, gas type, etc.). English

is on the right side; French is on the

left side.

❺

❻

Air Filter

❼

Gas Connection

(

1/2 in. / 13 mm Male NPT)

❽

Room Temperature Sensor/Thermistor

❾

Power Cord and Plug

❿

Combustion Air Intake Hose

⓫

Exhaust Pipe

⓬

Flue Manifold (Combustion/Exhaust)

❻

❶

❷

❹

❸

Summary of Contents for EX1 7 DT

Page 1: ...MODELS EX1 7DT EX22DT RHFE 436FTA RHFE 570FTA RHF570 1750 02 Direct Vent Wall Furnace Installation and Operation Manual ...

Page 2: ... s instruc ons If you cannot reach your gas supplier call the fire department Installa on and service must be performed by a licensed professional WARNING Copyright 2022 Rinnai America Corporation Rinnai is a registered trademark of Rinnai Corporation used under license by Rinnai America Corporation Rinnai America Corporation continually updates materials and as such content is subject to change w...

Page 3: ...delines 10 4 2 What You Will Need 11 4 3 Choose an Installation Location 12 4 4 Installation Steps 16 4 5 Post Installation Checklist 27 5 Operation 28 5 1 Safety Precautions 28 5 2 Operating Instructions 29 5 3 Control Panel 30 5 4 Basic Operation Settings 30 5 5 Add Water to the Humidifier 35 5 6 Adjust Air Flow Direction 35 5 7 Restart Function 35 5 8 Diagnostic Codes 36 6 Maintenance 37 7 Trou...

Page 4: ...llation The warranty may be voided due to any improper installation A trained and qualified professional should have skills such as Gas sizing Connecting gas lines valves and electricity Knowledge of applicable national state and local codes Installing venting through a wall Training in installation of direct vent furnaces Training on Rinnai Direct Vent Furnaces is accessible at rinnaipro myabsorb...

Page 5: ...trained and qualified professional Keep the area around the furnace clear and free from combustible materials gasoline and other flammable vapors and liquids Never store liquid propane containers indoors Do not use this furnace if any part has been under water Immediately call a trained and qualified professional to inspect the furnace and to replace any part of the control system and any gas cont...

Page 6: ...ously 7 Test for spillage from draft hood equipped appliances at the draft hood relief opening after 5 minutes of main burner operation Use the flame of a match or candle 8 If improper venting is observed during any of the above tests the venting system must be corrected in accordance with the National Fuel Gas Code ANSI Z223 1 NFPA 54 and or Natural Gas and Propane Installation Code CSA B149 1 9 ...

Page 7: ...ntrol Panel Warm Air Outlet Bottom Cover to remove hold both sides and pull toward you Humidifier to access remove bottom cover and pull out Rating plate includes model number serial number gas type etc English is on the right side French is on the left side Air Filter Gas Connection 1 2 in 13 mm Male NPT Room Temperature Sensor Thermistor Power Cord and Plug Combustion Air Intake Hose Exhaust Pip...

Page 8: ...ace Operation Push Button Electronic Gas Connection 1 2 in 13 mm Male NPT Gas Control Electronic Burners Stainless Steel Bunsen Burner Temperature Control Electronic Thermostat Low 60 80ºF 16 26 C in 2ºF 1 C Increments High Ignition System Electronic Spark Ignition Flue System The flue must be terminated to atmosphere with only flue components listed with the furnace s certification Warranty will ...

Page 9: ...the furnace carton box Do not discard until installation is complete IMPORTANT Figure 3 Front View Figure 4 Side View Side View Front View Including Sample Wall Template Located on Furnace Carton Box Wall Bracket Center of Furnace Wall Opening Position Wall Opening Position The hole center should be within the shaded area Flue Elbow ...

Page 10: ...ess of 1 2 psi 3 5 kPa The furnace must be isolated from the gas supply piping system by closing its equipment shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psi 3 5 kPa If the flooring is carpet or other combustible material other than wood then the furnace must be installed on a metal or wood panel extending the full width an...

Page 11: ...ws 5 Spacer Bracket 1 Wall Bracket 1 Rinnai Direct Vent Wall Furnace Installation and Operation Manual 1 Image not shown Screw M4 For Spacer Bracket 4 For Weatherboard Installation Table 3 Items Included Name Kit No Fits Walls S Vent Kit FOT 150 3 4 1 2 in 75 115 mm A Vent Kit FOT 151 4 1 2 9 1 2 in 115 240 mm B Vent Kit FOT 152 9 1 2 15 3 4 in 240 400 mm C Vent Kit FOT 153 15 3 4 23 5 8 in 400 60...

Page 12: ...ugh these vents when air is not being brought in through them Chemicals that are corrosive in nature should not be stored or used near the furnace or vent termination Damage and repair due to corrosive compounds in the air is not covered by warranty Pipe Wrenches x2 Adjustable Pliers Screwdrivers x2 Wire Cutters Gloves Safety Glasses Level Soap or Gas Leak Detector Solution Approved Venting Teflon...

Page 13: ...balcony 12 inches 30 cm 12 inches 30 cm B Clearance to window or door that may be opened 12 inches 30 cm 9 inches 23 cm C Clearance to permanently closed window D Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 2 feet 61 cm from the center line of the terminal E Clearance to unventilated soffit F Clearance to outside corner G Clearance to inside c...

Page 14: ...igure to the left Rinnai recommends 10 in 254 mm clearance from the top and on both sides for servicing Location Clearances to Combustibles Top 0 in 0 mm Bottom Ground 0 in 0 mm Front Panel 40 in 1 m Does not include flooring material or carpeting less than 1 2 in 30 mm in height Back Including Back Spacer 0 in 0 mm Sides Left and Right 2 in 50 mm Top Bottom If clearances are not met damage to the...

Page 15: ...or air is not being used for combustion A standard 3 prong 120 VAC 60 Hz properly grounded wall outlet is available The installation must conform with local codes or in the absence of local codes with the National Fuel Gas Code ANSI Z223 1 NFPA 54 or the Natural Gas and Propane Installation Code CSA B149 1 If installed in a manufactured home the installation must conform with the Manufactured Home...

Page 16: ...xhaust to the outside Do not exhaust into other rooms The flue manifold is not designed to be positioned under floors or below the furnace The termination cannot be vertical This furnace can only be used with one of the five types of Rinnai flue kits The flue kits and their dimensions are listed in section 4 2 1 Items Included Refer to Flue Terminal Clearances in section 4 3 2 Clearances 4 4 2 Ins...

Page 17: ...ter 4 Install the Terminal Check that the terminal seal is in place For weatherboard walls add the second seal next to the terminal seal to compensate for weather board angle Adjust the second seal to make sure Top marking of the second seal is located at the top or Ʌ marking is aligned with V marking on the terminal From the outside insert the terminal into the sleeve with the marking TOP at the ...

Page 18: ... Figure 14 5 Lock the ties Pulling hard on the left and right hand ties clip the ties over the notches inside the sleeve You should be able to pull the ties 2 or 3 notches past the starting point Cut the ties leaving about 1 1 4 inch 30 mm past the notch Bend the ties back into the sleeve and parallel to the wall Locking ties Sleeve Figure 13 Top Sleeve Clip the ties over the inside sleeve and cut...

Page 19: ...1 3 Air Intake Hose 90 6 in 2 3 m 1 4 Bent Elbow 1 5 Long Bent Elbow 1 1 6 Hose Joint 1 5 in 38 mm inner dia 1 6 Hose Joint 2 0 in 50 mm inner dia 1 1 1 1 7 Pipe Stopper A 1 1 1 2 1 1 8 Pipe Stopper B 1 1 1 9 Pipe Clamp 2 Sets 3 Sets 4 Sets 10 Wall Fixture 2 3 4 11 Nut 2 3 4 12 Screw A 2 3 4 13 Screw B 4 6 8 Item Extension kits are available to extend the exhaust line and air intake hose between t...

Page 20: ...feet 3 m 3 If the extension is longer than 10 feet 3 m the condensate may overflow the condensation pan Therefore extension exceeding this length should drain to the outside and sloped 3 downward 4 Do not allow any low points or sagging in the exhaust line Otherwise condensate may block the exhaust and affect combustion 5 Vent extensions installed in unconditioned air space must be insulated with ...

Page 21: ... Manual 21 Too many bends limit is 3 Air intake hose is above exhaust pipe Incorrect Configurations NOT CORRECT CORRECT NOT CORRECT 90 Elbow Up Configuration Figure 18 Figure 17 Slope horizontal sections 3 downward 3 Intake Exhaust Intake Exhaust ...

Page 22: ...ort on the flue manifold To connect exhaust pipes with other straight pipes or bends fit the male end into the female end Use pipe stopper A to clamp the connection Use pipe stopper B to fix the length on the adjustable exhaust pipes Do not extend these pipes beyond the red line Do not cut the exhaust pipe Use the adjustable pipes if necessary To bend the elbow insert exhaust pipes into both ends ...

Page 23: ...Engage the hook and rotate it until it snaps against the body of the clamp 4 Slide the insulation sleeve up to the flue manifold and slip the securing clip over the sleeve as shown 5 Install the bracket on the rear of the top spacer by tightening 2 screws 6 Install the wall bracket with two screws Install the top spacer by clipping the spacer into the wall brackets and attaching it to the furnace ...

Page 24: ...sure must be within the limits shown in section 3 2 Specifications Refer to an approved pipe sizing chart if in doubt about the size of the gas line Complete these instructions for altitude and vent length Default altitude 0 2 000 ft Default vent length 0 7 ft 1 Elbow For altitudes greater than 2 000 ft or installations with vent lengths longer than 7 ft refer to Table 8 Gas Pressure on the next p...

Page 25: ...ld test pressure W C High 2 6 in 65 mm 2 2 in 57 mm 2 0 in 52 mm 1 8 in 47 mm 4 0 in 101 mm 3 5 in 89 mm 3 1 in 80 mm 2 9 in 72 mm EX17DT Code A1 A2 A3 A4 L1 L2 L3 L4 1 Turn off the gas and the power supply 2 Remove the 5 screws that hold the louver assembly and front panel Lift the panel straight up and then remove it 3 Remove two pressure point screws 1 8 NPT tap with 3 16 Allen wrench Install t...

Page 26: ...s 14 Press the ON OFF button again The LED display turns blank and the furnace returns to the normal OFF mode 15 Remove manometer and two barb fittings and install Allen head screws Operate the unit and follow steps A B and C below A Check for Gas Leaks at the Test Points B Check the Normal Operating Sequence When you press the ON OFF button the LED display will illuminate the combustion fan will ...

Page 27: ...below that listed on the rating plate ELECTRICITY YES NO Did you confirm that the electricity is supplied from a 120 VAC 60 Hz power source is in a properly grounded circuit and turned on Have you confirmed that an extension cord or an adapter plug has NOT been used with the furnace FINAL ITEMS YES NO Did you install the front panel Have you explained to the customer the importance of not blocking...

Page 28: ... discharge Do not allow anyone to sleep directly in front of the furnace Children and adults should be alerted to the hazards of high surface temperature and should stay away to avoid burns or clothing ignition Young children should be carefully supervised when they are in the same room as the furnace Clothing or other flammable material should not be placed on or near the furnace Any safety scree...

Page 29: ...nder water OPERATING INSTRUCTIONS TO TURN OFF GAS TO APPLIANCE 1 STOP Read the safety information above 2 Set the thermostat to lowest setting 3 Turn off all electric power to the appliance using the ON OFF button on the control panel 4 This appliance does not have a pilot It is equipped with an ignition device which automatically lights the burner Do not try to light the burner by hand 5 Turn Man...

Page 30: ...isplay will dim The display will turn off when the furnace is turned off While programming the timers the display will turn off several sec onds after a button is last pushed Display Note The factory default is F 1 The furnace must be turned off 2 Press the Timer 1 and Timer 2 button at the same time for about 5 seconds The display will show ºC or ºF 3 Use the arrow keys to select the temperature ...

Page 31: ...ck is deactivated Deactivating the lock releases the control buttons 1 Press the Program button 2 The light next to Clock should be flashing Press the up and down arrows to set the time Holding down either of the arrow keys will change the time more quickly 3 Press the Program button until none of the time options are flashing 1 Turn the furnace on by pressing the ON OFF button 2 Press the up or d...

Page 32: ...elease 00 appears in the display 4 Press the UP button 01 appears in the display 5 Press the ON OFF button the display will go blank The furnace is now in Remote Thermostat mode Do not unplug the furnace within two hours of entering Remote Thermostat mode This will cause the furnace to revert back to the Default Factory Setting Note To return the furnace back to Control Panel mode repeat steps 1 3...

Page 33: ...t the start time Holding down either of the arrow keys will change the time more quickly Operating the timers To operate the furnace using a Timer press the ON OFF button and the appropriate Timer button The furnace will operate from the start to end times you have entered for that Timer It will operate at the temperature setting that has been set for the furnace The timer can be set while the fur...

Page 34: ...will always prevent the room temperature from falling below the pre set minimum temperature as long as electric power and gas is supplied To turn this feature off press the Set back button The unit will retain its ON or OFF setting after a power failure Default setting at the factory is on 5 4 9 Set Back 5 4 8 Economy Energy Saving Mode IMPORTANT Figure 45 Economy Mode The Economy mode now remains...

Page 35: ...gnition fails or the flame is extinguished during forced combustion then the furnace will attempt to restart after 1 hour If the flame is extinguished after this period then the furnace will immediately attempt ignition The vertical louvers may be adjusted to move the air flow more to the right or to the left Use a screw driver or similar object to bend each louver to the desired position Do not b...

Page 36: ...t Circuit 33 Overheat Thermistor 1 Disconnection Open Circuit 34 Overheat Thermistor 1 Short Circuit 35 Overheat Temperature Thermistor 2 Short Circuit 40 Pressure Sensor Sensing Tube Failure 49 Pressure Sensor Breakdown 53 Abnormal Spark Sensed 61 Combustion Fan 62 Convection Fan 70 ON OFF Switch or Set back Switch 71 Solenoid Valve Failure 72 Flame Rod Failure 73 Communication Error 99 Flue Bloc...

Page 37: ...leaning annually Verify proper operation after servicing When attaching the front panel do not clip or pinch any electric cords to prevent electric shock Exterior Care Dampen soft cloth with warm water Wring water out well and wipe the unit Do not use volatile substances such as benzene or thinners as they may cause fading of the paint and deformation of the resin Prevent dust from accumulating on...

Page 38: ... Low rumbling noise when the thermostat operates This is the sound of the solenoid gas valves opening and closing Unit is not heating room Is the air filter blocked Is the set temperature high enough Is the warm air outlet blocked by anything Are the doors and windows of the room closed Was the appliance correctly sized for the space Air filter is blocked or the louvers are blocked or obstructed A...

Page 39: ...l Installation Air in Gas Pipe Purge Air Installer Gas Filter Blocked Service Call Missed Ignition Service Call Flue Terminal Obstructed Clear Obstruction Flue Manifold Not Connected Service Call Louver Obstructed Clear Obstruction Air Filter Blocked Clean Filter Gas Escape Service Call Lock Set Cancel Lock Gas Off at Meter Tank or Valve Turn Gas On ON Timer is set Cancel ON Timer Additional Troub...

Page 40: ...40 EX17DT and EX22DT Installation and Operation Manual 8 Parts Cut Away Diagram Figure 53 ...

Page 41: ...EX17DT and EX22DT Installation and Operation Manual 41 Exploded View of Service Parts Figure 54 ...

Page 42: ...42 EX17DT and EX22DT Installation and Operation Manual Exploded View of Service Parts Figure 55 ...

Page 43: ...EX17DT and EX22DT Installation and Operation Manual 43 Exploded View of Service Parts Figure 56 ...

Page 44: ...44 EX17DT and EX22DT Installation and Operation Manual Exploded View of Service Parts Figure 57 ...

Page 45: ...EX17DT and EX22DT Installation and Operation Manual 45 Exploded View of Service Parts Figure 58 ...

Page 46: ...46 EX17DT and EX22DT Installation and Operation Manual Exploded View of Service Parts Figure 59 ...

Page 47: ...R PACKING 209000037 1 1 1 015 LOUVER ASSY B 208000040 1 1 015 LOUVER ASSY C 209000238 1 016 FRONT PANEL B 209000106 1 1 016 FRONT PANEL 209000107 1 017 HEAT SHIELD PANEL 209000108 1 1 1 018 BACK SPACER TOP B 209000109 1 1 018 BACK SPACER TOP E 209000239 1 019 BACK SPACER R B 209000111 1 1 019 BACK SPACER R E 209000240 1 020 BACK SPACER L B 209000113 1 1 020 BACK SPACER L E 209000241 1 021 WARM AIR...

Page 48: ... 206000014 1 1 1 113 BURNER BOX SUPPORTER ASSY 206000015 1 1 1 114 BURNER BOX PACKING 556F 211 1 1 1 115 BURNER BOX FITTING PLATE ASSY 205000066 1 1 1 116 DAMPER G 556F 209 7 1 1 1 117 SECONDARY AIR DAMPER 206000016 1 1 1 118 FITTING PLATE PACKING 206000017 1 1 1 119 MANIFOLD 206000038 1 1 1 120 INJECTOR PROPANE AU129 210 0 85 4 4 4 120 INJECTOR NG 206000018 4 4 4 121 MANIFOLD PACKING 556F 203 2 1...

Page 49: ... RC 329 1033 1 1 1 153 TUBE D 208000017 1 1 1 154 TUBE A CLEAR 1004F 2052 1 1 1 1 155 TUBE B BLACK 208000070 1 1 1 156 HOSE BAND J 209000085 1 1 1 157 HOSE BAND N 209000088 2 2 2 158 HOSE BAND O 209000087 2 2 2 159 ON OFF VALVE 206000023 1 1 1 400 CONVECTION FAN TOTAL ASSY 208000074 1 1 1 401 CONVECTION FAN MOTOR 205000109 1 1 1 402 MOTOR FIXING PLATE 209000126 1 1 1 403 CONVECTION FAN BLADE ASSY ...

Page 50: ...05000127 1 1 1 708 THERMISTOR HARNESS 205000128 1 1 1 709 TF HARNESS 205000103 1 1 1 710 HILIMIT THERMISTOR 205000117 1 1 1 711 HILIMIT THERMISTOR 205000118 1 1 1 712 ROOM THERMISTOR 205000105 1 1 1 713 FR HARNESS 205000129 1 1 1 714 OVERHEAT SWITCH ES 01171 1 1 1 715 DVF SUB PCB HARNESS A 205000092 1 1 1 716 SLEEVE 3022 0344 1 1 1 800 WATER LINE LABEL 550F 1418 1 1 1 888 OPERATION MANUAL 20000009...

Page 51: ... of the property owner to secure the services of qualified licensed professionals for the installation of hard wired carbon monoxide detectors a In the event that the side wall horizontally vented gas fueled equipment is installed in a crawl space or an attic the hard wired carbon monoxide detector with alarm and battery back up may be installed on the next adjacent floor level b In the event that...

Page 52: ...Switch R TH Room Thermistor TF Thermal Fuse F Fuse ER Electrode POV Modulating Solenoid Valve W TH Wall Thermostat FR Flame Rod Mark Parts Name OH TH1 2 Over Heat Thermistor 1 2 OHS Over Heat Switch FM Convection Fan Motor SP Sparker SV1 2 Main Solenoid Valve 1 2 BL Combustion Fan Motor PS Pressure Sensor Figure 60 Wiring Diagram Code Color bk black bl blue gr y green yellow gr green r red w white...

Page 53: ...d CF Convection Fan FM Convection Fan Motor SP Sparker Mark Parts Name OHS Over Heat Switch OH TH1 2 Over Heater Thermistor 1 2 SV1 2 Solenoid Valve 1 2 MAIN CPU Central Processing Unit SUB CPU Central Processing Unit for Safety MB Main Burner PS Pressure Sensor W TH Wall Thermostat BL Combustion Fan Motor FCC Fan Control Circuit Figure 61 Ladder Diagram A DC5V B DC12V C DC15V D DC24V E DC170V F A...

Page 54: ... be performed by a qualified professional who is properly trained to do the type of repair Replacement of the product may only be authorized by Rinnai at its sole discretion Rinnai does not authorize any person or company to assume for it any obligation or liability in connection with the replacement of the product If Rinnai determines that repair of a product is not possible Rinnai may replace th...

Page 55: ...herein there are no other warranties expressed or implied including but not limited to warranties of merchantability or fitness for a particular purpose which extend beyond the description of the warranty herein Any implied warranties of merchantability and fitness arising under state law are limited in duration to the period of coverage provided by this Limited Warranty unless the period provided...

Page 56: ...103 International Drive Peachtree City GA 30269 Tel 1 800 621 9419 Web rinnai us rinnai ca Rinnai America Corporation 200000084 01 1 2022 RHF570 1750 02 ...

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