Rinnai M060C Installation And Operation Manual
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Rinnai M060C Installation And Operation Manual

Wall-mounted, gas-fired combi condensing boiler
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INSTALLATION AND OPERATION MANUAL
M-Series Condensing Boiler
Wall-Mounted, Gas-Fired Combi Boiler
If the information in these instructions are not followed exactly, a fire or
WARNING
explosion may result causing property damage, personal injury, or loss of
life.
•
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any
other appliance.
•
WHAT TO DO IF YOU SMELL GAS
−
Do not try to light any appliance.
−
Do not touch any electrical switch; do not use any phone in your building.
−
Immediately call your gas supplier from a neighbor's phone. Follow 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.
READ AND SAVE THIS MANUAL
Rinnai M-Series Condensing Boiler Combi Manual
Central Heating and Domestic Hot Water
Certified to ANSI Z21.13
MODELS
M060C
M090C
M120C
M160C
and CSA 4.9

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Summary of Contents for Rinnai M060C

  • Page 1 − 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. READ AND SAVE THIS MANUAL Rinnai M-Series Condensing Boiler Combi Manual...

  • Page 2: Table Of Contents

    8.3 Common CH Components ......................51 8.4 Piping Diagram for a Basic CH System (With Hydraulic Separation) ........53 8.5 Hydraulic Separation ........................ 54 8.6 Connect the Pressure Relief Valves (DHW and CH)..............55 Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 3 14.9 DHW Pressure Drop and Flow Curve ................... 116 14.10 Resistance/Temperature Table for Sensors ............... 117 14.11 Remove a Boiler from a Common Vent System ..............118 14.12 Massachusetts State Gas Regulations ................119 14.13 Warranty ..........................120 Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 4 Thank you for purchasing a Rinnai Condensing Boiler. Before installing and operating this boiler, be sure to read these instructions • A trained and qualified professional completely and carefully to familiarize must install the boiler, inspect it, and yourself with the boiler’s features and leak test it before use.

  • Page 5: Safety Symbols

    Indicates an imminently hazardous • Always check the water temperature situation which, if not avoided, will before entering a shower or bath. result in personal injury or death. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 6 It is strongly recommended that you use a should only be removed for service/ trained and qualified professional who has maintenance or replacing internal attended a Rinnai installation training class components. to adjust parameter settings. • Do not use an extension cord or adapter •...

  • Page 7: Front View

    How To Remove the Front Panel The M-Series Condensing Boiler is a wall-mounted, gas-fired boiler designed to providing heating and domestic hot water. For complete boiler information, refer to the “Rinnai M-Series Condensing Boiler Installation Manual” supplied with the boiler, or visit rinnai.us. Vent Connections...
  • Page 8 CH Return CH Pressure Relief Valve (supplied Domestic Hot Water Pressure Relief Valve with boiler) Central Heating Temperature Pressure CH Supply Gauge (supplied with boiler) Condensate Drain Gas Shut Off Valve Domestic Hot Water Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 9 Burner Hood with Burner Cassette Pressure Sensor Fan with Integrated Venturi Modulating Pump Gas Valve Ignition Unit Plate Heat Exchanger Silencer Diverter Valve Condensate Tray Flow Sensor Flue Gas Exhaust/Air Intake with Condensate Trap Measuring Points Rinnai M-Series Condensing Boiler Combi Manual...

  • Page 10: Central Heating Dhw

    Minimum activation flow is 0.4 GPM (1.5 L/min). The maximum gas supply pressure must not exceed the value specified by the manufacturer. Rinnai products are continually being updated and improved; therefore, specifications are subject to change without prior notice.
  • Page 11 Measurements: in. (mm) Vent Top Connections 3 in. (80 mm) PP, 3 in. PVC, 3/5 in. Concentric, 2 in. (60 mm) PP, 2 in. PVC Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 12 Connection Size with Provided Connection Adapters 3/4 in. NPT DWH In (Cold Inlet) 3/4 in. NPT DHW Out (Hot Outlet) 3/4 in. NPT CH In (CH Return) 1 in. NPT CH Out (CH Supply) 1 in. NPT Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 13 The following optional accessories are available for the Rinnai M-Series Condensing Boiler. CONDENSATE NEUTRALIZER SCALECUTTER Filters and reduces the amount of Neutralizes the condensate scale entering the boiler allowing generated by the boiler. for greater boiler longevity. SCALECUTTER REFILL CARTRIDGE...
  • Page 14 Be careful not to lose the screws. You’ll need them when reinstalling the front cover. Lift the tab slightly above the peg. To remove, carefully lift the panel up and off to release it from the boiler. Rinnai M-Series Condensing Boiler Combi Manual...

  • Page 15: Installation Guidelines

    Installing venting through a wall or roof; and to control thermal expansion. Contact the training in installation of condensing boilers. water supplier or local plumbing inspector Training for Rinnai Condensing Boilers is on how to control thermal expansion. accessible online at •...

  • Page 16: Amps (Maximum)

    • DO NOT use substitute parts that Boiler toolkit (optional accessory for are not authorized for this boiler. boiler service. See section “3.6 Accessories” for more information.) DO NOT install the boiler on carpeting. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 17 RATING RESTRICTOR MANUAL PLATE 2 in. PVC/PP 3 in. PVC Reducer (QTY 2) (QTY 2) DOCUMENTATION • • Installation and Operation ISCL • Manual (this manual) Conversion Manual • User Manual 3/5 in. Concentric Rinnai M-Series Condensing Boiler Combi Manual...

  • Page 18: Guidelines

    For Domestic Hot Water systems, if you This section provides information on the install the boiler in an area that is known to importance of water quality to the Rinnai have hard water or that causes scale build- Condensing Boiler. The information is...
  • Page 19 □ 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. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 20 Level Wall Mounting Bracket Use the appropriate screws for the wall construction to secure the mounting bracket to the wall (use any of the screw holes in the mounting bracket). Assembled view Rinnai M-Series Condensing Boiler Combi Manual...

  • Page 21: Venting Installation Sequence

    6 ft (1.83 m) or as per vent with an existing vent or chimney. manufacturer’s instructions or local • DO NOT common vent with the vent code requirements. pipe of any other manufacturer’s boiler or appliance. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 22 Check to determine whether local codes • For category IV boilers, where necessary, supersede the following clearances: have means provided for drainage of • Avoid termination locations near a dryer condensate. vent. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 23 Exhaust Exhaust Combustion Combustion Combustion Option 2 Room Air See Room Air section for complete details. Exhaust Exhaust Combustion air Combustion Room air filter (accessory) Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 24 710215NPP 2/4 Condensing 45 Degree Diverter Nose (Use with Wall Terminal) 196005, FGV Concentric Vent Kit (16 in. length) 197040 196105, FGV Concentric Vent Kit (28 in. length) 197033 196125 FGV Concentric Vent Kit (40 in. length) Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 25 2 in. x 4 in. Concentric Vertical Termination CVENT-2 2 in. x 4 in. Concentric Horizontal Termination 2 in. x 4 in. Concentric 2ZDCTH24 Horizontal Termination 2 in. x 4 in. Concentric Roof 2ZDCTV24 Termination Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 26 32 in. 32 (CPVC) 52CVKGVS6503-44 PVC/CPVC Concentric Vent Kit 3 in. (PVC)/ 52CVKGVSF9003- x 44 in. 44 (CPVC) SC03HT Horizontal Termination Adapter SC03VT Vertical Termination Adapter ICRT3539 3 in./5 in. Concentric Roof Termination PPs-UV Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 27 3 in. x 5 in. Concentric Vertical Termination CVENT-3 3 in. x 5 in. Concentric Horizontal Termination 2ZDCTH35 3 in. x 5 in. Concentric Horizontal Termination 2ZDCTV35 3 in. x 5 in. Concentric Roof Termination Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 28 2 in. Black UV Resistant Tee FGV PVC Low Profile 196984 Termination Kit FGV PVC Wall Termination 081216 52SWVKGVS6502 PVC Side Wall Vent Kits 52WTVKGVS6502 PVC Wall Vent Kits 2 in. Low Profile Horizontal HVENT-2 Vent Kit Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 29 3 in. Black UV Resistant Tee 196985 FGV PVC Low Profile Termination Kit 081219 FGV PVC Wall Termination Kit 52SWVKGVS6503 PVC Side Wall Vent Kits 52WTVKGVS6503 PVC Wall Vent Kits HVENT-3 3 in. Low Profile Horizontal Vent Kit Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 30 APPROVED VENTING MATERIALS BY MANUFACTURER Manufacturer Vent Material Ubbink PVC (Outer Vent), Polypropylene (Inner Vent) Centrotherm Polypropylene Heat-Fab Metal Metal Fab Metal IPEX PVC/CPVC DuraVent Polypropylene Royal ECCO Manufacturing Polypropylene DiversiTech PVC/CPVC Z-FLEX Polypropylene Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 31 [2] Permitted only if veranda, porch, deck, or balcony is fully open on a mini- mum of two sides beneath the floor. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 32 60 ft (18 m) 30 ft (9 m) 150 ft (46 m) 140 ft (43 m) • 45° elbow is equivalent to 3 ft (1 m) • 90° elbow is equivalent to 6 ft (2 m) Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 33 Install the venting termination according to the diagrams and instructions in this manual. Slope the venting 1/4 in. per foot toward the appliance according to the vent manufacturer’s installation instructions. Dispose of condensate per local codes. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 34 90° elbow is equivalent to 6 ft (2 m) Vent length includes the additional venting, fittings and terminations. ACCEPTABLE ACCEPTABLE NOT ACCEPTABLE 90° Elbows, Close Turn 90° Elbows, Long Sweep 90° Elbows, Short Sweep Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 35 Insert 3 in. (80 mm) PP piping. Insert 2 in. reducer. Install 3 in. PVC Install 2 in. PVC or PP piping. Insert the 3 in. PVC adapter onto the vent top. Insert 3 in. PVC piping. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 36 Slope horizontal exhaust 1/4 in. per foot towards the boiler. DO NOT slope combustion air pipe towards the boiler. Rinnai cautions against installing the boiler in applications with venting in CAUTION different pressure planes. It is possible to have poor performance with this installation.
  • Page 37 [2] Permitted only if veranda, porch, deck, or balcony is fully open on a mini- mum of two sides beneath the floor. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 38 60 in. between terminals Inside Corner IMPORTANT • Installation of Room Air must use listed Category IV venting. • All terminations (horizontal and/or vertical) must terminate 12 in. above grade or anticipated snow level. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 39 90° elbow is equivalent to 6 ft (2 m) Vent length includes the additional venting, fittings and terminations. ACCEPTABLE ACCEPTABLE NOT ACCEPTABLE 90° Elbows, 90° Elbows, 90° Elbows, Long Sweep Short Sweep Close Turn Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 40 When communicating directly with the outdoors through horizontal ducts, each opening shall have a minimum free area of 1 in /2000 Btu/hr (1100 mm /kW) of total input rating of all appliances in the confined space. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 41 □ Verify that adequate combustion air is available for all appliances installed in the space. □ Installation complies with National Fuel Gas Code, ANSI Z223.1/NFPA 54 as well as local and state regulations therein. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 42 Rinnai cautions against installing the boiler in applications with venting in CAUTION different pressure planes. It is possible to have poor performance with this installation. 2 in. or 3 in. 2 in. or 3 in. Schedule 40 Schedule 40 PVC/CPVC Snorkel...

  • Page 43: Gas Supply

    • Gas is flammable. Do not smoke or provide other ignition sources Gas Shut Off while working with gas. Valve • Do not turn on the boiler or gas until all fumes are gone. Rinnai M-Series Condensing Boiler Combi Manual...

  • Page 44: Instructions

    If a leak is detected, do gas pressure must be within the limits not operate the boiler until the leak is shown in section “3.4 Specifications” with repaired. all gas appliances operating. Gas connection 3/4 in. MNPT connection Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 45 1. Set the temperature controller to the lowest setting. 2. Turn off all electric power to the appliance if service is to be performed. 3. Turn the manual gas control valve located at gas inlet of appliance clockwise to the OFF position. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 46 50 (15) ANSWER: 60 (18) 70 (21) 80 (24) For this example, the pipe 90 (27) diameter must be at least 3/4 in. pipe size and 10 ft (3 m) in 100 (30) length. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 47 50 (15) Total Gas 60 (18) 225,000 BTU/HR Input 80 (24) For this example, the pipe diameter 100 (30) must be at least 1/2 in. nominal pipe size and 10 ft (3 m) in length. Rinnai M-Series Condensing Boiler Combi Manual...

  • Page 48: Piping Diagram For A Basic Dhw Installation

    • 20 seconds at 130°F (54°C) • 8 minutes at 120°F (49°C) Children, disabled, or elderly are at highest risk of being scalded. Feel water before Hot and Cold Valve Kit bathing or showering. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 49 Confer with local building officials before installation. LEGEND This picture illustrates a suggested arrangement. Some of the fittings are optional. Rinnai M-Series Condensing Boiler Combi Manual...

  • Page 50: Common Ch Components

    Some installations with multiple zone valves may require a differential bypass, which will prevent excessively high flow rates through a single zone when the Supply and Return Fitting Connections other zone valves are closed. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 51 • Dirt Trap — Protects the boiler from • debris in the plumbing system. Water Fill Valve — Maintains proper water pressure in the central heating circuit. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 52 Pressure Relief Valve (supplied with boiler) Pressure Gauge (supplied with boiler) Air separator Primary-Secondary Dirt Trap Heating Kit System System Return Supply Backflow preventer Ball valve Fill valve with Expansion pressure gauge tank Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 53 It is the responsibility of the contractor or engineer to ensure the installation is in accordance with all local building codes. Confer with local building officials before installation. LEGEND This picture illustrates a suggested arrangement. Some of the fittings are optional. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 54 Rinnai requires hydraulic separation between the boiler and central heating system. Hydraulic separators allow for no pump curve matching or flow calculation; this is ideal for multi-temperature and multi-zone systems. Examples of Hydraulic Separation Closely spaced tees and low loss headers are common examples of hydraulic separators and can be used to separate the boiler loop from the central heating loop.
  • Page 55 • relief valve and the boiler. The discharge line from the pressure relief valve should pitch downward and terminate 6 in. (152 mm) above drains where discharge will be clearly visible. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 56 A condensate neutralizer kit is available from • All condensate must drain and be Rinnai. The kit allows condensate to flow disposed of according to local codes. through neutralizing media that raises the pH of the condensate to a level that will help •...
  • Page 57 (7) by turning it clockwise. 9. Press the sealing ring (8) around the outer condensate tube and press/turn it in the Figure 1 bottom plate of the boiler. Rinnai M-Series Condensing Boiler Combi Manual...

  • Page 58: Electrical Connections

    If there is accessories. more than one door to the boiler room, − Making wiring connections and/ a switch should be located at each door. or changes to the wiring terminals on the boiler. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 59 Use Only to use boiler Controller Back Connections DO NOT USE This terminal is for Rinnai-use only and not for use in any installation 120 V power supply to boiler DO NOT USE This terminal is for Rinnai-use only and...

  • Page 60: Safety Precautions

    Prime the pump (as described in this applicable national, state, and local codes; section) Installing venting through a wall or roof; and training in installation of condensing boilers. Training for Rinnai Condensing Boilers is accessible online at You Will Need: www.trainingevents.rinnai.us. •...
  • Page 61 Natural Gas to Liquid Propane, or from Liquid Propane to Natural Gas. Setting the O2 at maximum M060C 4.7 - 4.9 5.0 - 5.2 0.4-1.6% input must be performed with a calibrated Higher combustion analyzer that is set to the correct M090C 4.2 - 4.4 5.0 - 5.2...
  • Page 62 O2 Percentages table (see section Step 2: Set the O2 at Maximum Input). • Rotate counter-clockwise to decrease the O2 percentage • Rotate clockwise to increase the O2 percentage INCREASE O2 DECREASE O2 Clockwise Counter-Clockwise Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 63 To bypass the air purge process, press and hold the BACK button for approximately seven seconds. This will put the boiler back into normal operation mode. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 64   Did you check to ensure the condensation drain lines are protected from freezing? Have you verified the condensate drain line is not plumbed with the pressure relief   valve? Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 65 Did you confirm that an extension cord or an adapter plug has NOT been used with the   boiler? COMMISSIONING YES NO   Did you prime the pump?   Was the boiler filled to 17-26 PSI?   Was the air purge process performed on the boiler? Rinnai M-Series Condensing Boiler Combi Manual...

  • Page 66: Start-Up Information

    − The maximum pressure permitted inside the heat exchanger is 45 PSI. − The pressure relief valve supplied with the boiler is rated to 30 PSI. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 67 (in this section) ❼ Boiler Display scroll through for more information Displays boiler status information. available menu options ❺ See Boiler Display section (next Press to select an item. section) for more information Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 68 A box around the radiator symbol indicates Visual illustration of current hot water temperature central heating is in operation CENTRAL HEATING IN OPERATION Scale rises as the hot water CENTRAL HEATING NOT IN OPERATION COOL Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 69 4. Turn the selector wheel to highlight Time & Date. Press OK. 5. Edit the following screen. 6. Press Save. 7. To exit, press the Back button until the Home screen appears on the display. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 70 O = Off From the controller Home screen, press CH Settings is highlighted. Press OK. Home screen CH Setpoint Temp is highlighted. Press OK. Turn the selector wheel to highlight Complete Menu. Press OK. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 71 Turn the selector wheel to the (20°C - 85°C) desired DHW setpoint temperature. The boiler will automatically save the new setpoint temperature after five seconds. Press the Back button until the Home screen appears on the display. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 72 From the controller Home screen, press The Always Active comfort mode is selected. To exit, press the Back button until the Home Home screen appears on the display. screen Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 73 The message below appears. Complete Menu. Press OK. Comfort mode is disabled. To exit, press the Back button until the Turn the selector wheel to Home screen appears on the display. highlight DHW Settings. Press OK. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 74 Comfort Function. Press OK. Select the days with the same time program. Use the selector wheel to scroll to the day(s) you want the same. Select "OK" on each day that will have the same schedule. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 75 2.6.3 ON/OFF Manual control of 3-way valve with burner off 2.7.0 ON/OFF Forces chimney mode (same as button) Forces Air purge (or turn off – same as holding BACK for 7 2.7.1 ON/OFF seconds) Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 76 Hours Total pump hours 8.0.3 Hours Total hours boiler on power (electricity) 8.0.4 Hours Total fan hours 8.0.5 Cycles Total fan cycles 8.0.6 Cycles Total CH flame ignitions 8.0.7 Cycles Total DHW flame ignitions Rinnai M-Series Condensing Boiler Combi Manual...

  • Page 77: Psi (Maximum)

    Outdoor temp sensor (also on home screen) 8.4.0 °F Indirect tank temp 8.5.0 Months Maintenance frequency 8.5.1 ON/OFF Maintenance frequency activation 8.5.2 Maintenance frequency reset 8.5.4 Software Version (display board) 8.5.5 Software version (main PCB) 8.7.5 Flame Rod Current Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 78 Turn the selector wheel to highlight 2 Boiler Parameters. Press OK. The first digit shown is the first value in the The “007” Menu is where all parameters can be parameter address in the table to follow. adjusted. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 79 Turn the selector wheel to highlight 2.0.4 Altitude. Press OK. Scroll to the desired altitude and press OK. Note: Altitude is displayed in Feet (FT) measurements. The parameter had now been updated to the set value. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 80 The sensor should then be wired back to the outdoor temperature sensor terminal on the boiler. Refer to the following sections for more information. North Facing Wall Outdoor Temperature Sensor Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 81 The steeper the curve (higher the value) the quicker the system will come up to temperature. The high temperature curve is default. It is recommended to use this for all applications except in-floor/slab radiant. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 82 High value = steep slope Low value = gradual slope 4.2.5 Maximum Raises / lowers maximum target supply temperature temperature 4.2.6 Minimum Raises / lowers minimum target supply temperature and temperature outdoor reset curve. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 83 The return sensor has a short or open circuit. CH Troubleshoot Damaged Operation the return sensor 114 Outdoor The outdoor sensor is installed and has a Troubleshoot Probe short or open circuit. Operation the outdoor Damaged sensor Rinnai M-Series Condensing Boiler Combi Manual...

  • Page 84: Maintenance

    Dynamic Check seconds of running the pump operation away with proper inlet pressure Water Pressure Two 1P9 water pressure checks Central Heating Press the Reset button Dynamic Check failed operation Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 85 The following message appears: Do you really want to perform the reset? • Press OK to reset the error • Press the ESC keyboard button to cancel reset and return to the previous screen Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 86 Option 8.6.0 Last 10 Errors is highlighted. Press OK. Turn the selector wheel to highlight Scroll to view the last 10 errors. Complete Menu. Press OK. Error description Error number Time and date when error occurred Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 87 100% (boiler will run on maximum fire/full load) The following screen appears indicating that Chimney Active (service mode) is active. To exit Chimney Active (service mode), press the Back button until the Home screen appears on the display. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 88 The power and gas supply should then be disconnected from the boiler. Freezing damage may occur if there is water remaining in the boiler or system piping. The plumbing lines should also be blown out via compressed air. Rinnai M-Series Condensing Boiler Combi Manual...

  • Page 89: Owner Maintenance

    • Check that the pressure on the supply to the building. controller display or external pressure gauge indicates 19-43.5 psi. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 90 Water that contains chemicals exceeding the levels required affect and damage the heat exchanger. Replacement of the heat exchanger due to water quality damage is not covered by the warranty. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 91 The flame pattern should be as shown in the images below: UNSATISFACTORY SATISFACTORY FRONT VIEW FRONT VIEW FLAME ROD FLAME ROD BLUE FLAME YELLOW OR GREEN FLAME Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 92 6. Reconnect the wiring connection to the flame rod. Be careful not to touch the inside of the wiring connection. 7. Press the RESET button on the control panel. 8. The boiler should start up. If the boiler does not start up, contact Rinnai Customer Care at 1-800-621-9419. 9. Replace the boiler front panel.
  • Page 93 If replacing a boiler, add system cleaners while the old boiler is installed and operate the old boiler for heating for several days to most effectively clean the system. • The Rinnai boiler must be closed off (valved off) from the rest of the system, or not connected, while cleaners are in the system. •...
  • Page 94 4. If the installation is a zone system (utilizes system. multiple zones), flush out each zone individually. The Rinnai boiler must be isolated from the 5. Flush the CH system with water again, system while the system is flushed. No ensuring all zones have been flushed.
  • Page 95 809000145 Screw M5 x 12 mm 809000019 Hinge 809000146 2-pipe adapter 802000005 3 in. PVC adapter 802000006 Measurement port plug 808000024 Gas valve screw plug 809000148 3/5” Concentric Adapter 802000008 2” Flue Adapter 802000007 Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 96 Heat Exchanger Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 97 Clamp bar 809000147 Silencer 808000038 Silencer gasket 808000039 Water control assembly retention clip 807000160 Allen head bolt M5 x10 mm 809000150 808000035 Fan/venturi 808000036 Ignition/Electrode assembly 805000059 Igniter cable 805000066 Supply temperature sensor 805000056 Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 98 Hydraulic Parts/Pipes Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 99 Supply Pipe Heat Exchanger 807000158 Hydro Group Supply 807000159 Water control pipe retention clip 807000160 Bolt M3 x 30 809000149 Water control assembly supply plug 807000161 Pump gasket 1 in. 807000099 Pump connection assembly 807000162 Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 100 Gas pipe to gas valve 806000047 Gas pipe/gas valve to fan 806000048 3-way valve actuator 807000131 DHW flow sensor 805000061 DHW sensor 805000064 Pump 807000132 Water pressure sensor 805000058 Return temperature sensor 805000057 Clip Ø19 mm 809000158 Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 101 Electrical Components Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 102 Fuse 4A (250V) 805000068 Screw terminal-white 805000069 Screw terminal-blue 805000071 Screw terminal-red 805000072 Wire harness 805000073 Power Cord 805000074 Controller gasket 809000155 Controller scroll wheel 809000156 Controller cover 809000157 On/off switch 805000076 Display for PCB 805000077 Rinnai M-Series Condensing Boiler Combi Manual...

  • Page 103: 14.8 Ch Pressure Drop And Flow Curve

    • 14.9 DHW Pressure Drop and Flow Curve Legend: Refer to the legend below for the system applications shown in this section. This picture illustrates a suggested arrangement. Some of the fittings are optional. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 104 PC Board Wiring for the above application example Low Water Cut- Zone Control off (If Required) Thermostat Pump Outdoor Temperature Sensor Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 105 PC Board Wiring for the above application example Zone Valve 1 Low Water Cut- Zone Control Zone Valve 2 off (If Required) Zone Valve 3 Pump Outdoor Temperature Sensor Thermostat 1 Thermostat 3 Thermostat 2 Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 106 PC Board Wiring for the above application example Low Water Cut- Zone Control Air Handler off (If Required) Control Pump Outdoor Temperature Sensor Thermostat Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 107 PC Board Wiring for the above application example Pump 1 Low Water Cut- Zone Control Pump 2 off (If Required) Pump 3 Outdoor Thermostat 1 Thermostat 3 Temperature Sensor Thermostat 2 Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 108 PC Board Wiring for the above application example Pump 1 Low Water Cut- Zone Control Pump 2 off (If Required) Pump 3 Outdoor Thermostat 1 Thermostat 2 Temperature Sensor Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 109 The Manufactured Home Construction and • Adjustable wrench Safety Standard, Title 24 CFR, Part 3280 • Combustion analyzer and/or CAN/CSA Z240 MH Series, Mobile Homes, Series M86 / Manufactured Home Construction and Safety Standard, Title 24 CFR. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 110 Lift up the air supply damper to remove and gently place aside Air supply damper 8. Pull out the yellow gasket from the gas venturi. 6. Unscrew the gas valve and gas venturi connections. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 111 6 tabs from the front panel. Your psi values may differ than the values Screw terminals shown in image. 19. Press the Back button for approximately 7 seconds. Controller top view Controller bottom Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 112 “10. Commissioning” for detailed instructions. 29. Verify flame appearance as shown below with the boiler in operation. Figure 4 UNSATISFACTORY SATISFACTORY Front View Front View Flame Flame Blue Flame Yellow or Green Flame Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 113 Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 114 Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 115 Water Flow (GPM) * Pressure drop curve applies to all M-Series Condensing Boilers (M060C, M090C, M120C and M160C). Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 116 Water Flow (GPM) Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 117 165.2 1.531 77.0 1.000 168.8 1.433 78.8 0.962 172.4 1.341 80.6 0.926 176.0 1.256 82.4 0.892 179.6 1.178 84.2 0.858 183.2 1.105 86.0 0.827 186.8 1.037 95.0 0.687 190.4 0.974 104.0 0.575 194.0 0.915 Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 118 Chapter 13 of the National Fuel Gas Code, ANSI Z223.1/NFPA 54, and/or the Natural Gas and Propane Installation Code, CAN/CSA B149.1. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 119 4. INSPECTION. The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation unless, upon inspection, the inspector observes carbon monoxide detectors and signage installed in accordance with the provisions of 248 CMR 5.08(2)(a)1 through 4. Rinnai M-Series Condensing Boiler Combi Manual...
  • Page 120 Rinnai’s sole discretion. The warranty claim for product parts and labor may be denied if a component or product returned to Rinnai is found to be free of defects in material or workmanship; damaged by improper installation, use or operation;...
  • Page 121 This Limited Warranty does not cover any product used in an application that uses chemically treated water such as a pool or spa heater. If you purchase a Rinnai product from an unauthorized dealer, or if the original factory serial number has been removed, defaced or altered, your Rinnai warranty will not be valid.
  • Page 122 800000063(03) 6/2019 Rinnai M-Series Condensing Boiler Combi Manual...

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