Raypak 910500 Owner'S Manual And Installation Instructions Download Page 40 | Manualshive

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40

CONNECTIONS

– FLUE

FLUEING

The MVB is supported by a range of stainless steel flue components suitable for positive pressure
condensing operation.
Dia 150mm suits 910500, 910750 and 911000.
Dia 2000mm suits 911250, 911500, 911750 and 912000.

The following parts are available:

Flue Adaptor & Clamp Kit

Dia 150 - AQ94200106
Dia 200 - AQ94200127

87 deg Elbow

Dia 150 - AQ94200108
Dia 200 - AQ94200129

45 deg Elbow

Dia 150 - AQ94200109
Dia 200 - AQ94200130

Flue Drain/Test Port (2 Per MVB) Dia

150 - AQ94200107

Dia 200 - AQ94200128

Top Stub (vertical discharge)

Dia 150 - AQ94200120
Dia 200 - AQ94200143

250mm Straight

Dia 150 - AQ94200112
Dia 200 - AQ94200133

500mm Straight

Dia 150 - AQ94200111
Dia 200 - AQ94200132

1000mm Straight

Dia 150 - AQ94200110
Dia 200 - AQ94200131

Adjustable Straight

Dia 150 - AQ94200113
Dia 200 - AQ94200134

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Summary of Contents for 910500

Page 1: ...50 911500 911750 912000 This water heater must be installed and serviced by an authorised person This water heater must be certified in accordance with AS 3814 before being brought into service Please...

Page 2: ...andards Only a licensed person will have insurance protecting their workmanship for 6 years Make sure you use a licensed person to install this water heater and ask for your Compliance Certificate An...

Page 3: ...be of interest WARRANTY 4 SAFETY WARNINGS INSTALLATION NOTES 6 ABOUT YOUR WATER HEATER 10 HOW YOUR WATER HEATER WORKS 12 SAVE A SERVICE CALL 13 MAINTENANCE REQUIREMENTS 17 WATER SUPPLIES 18 INSTALLATI...

Page 4: ...charge If you wish to have the relevant component repaired or replaced by Rheem that service will be at your cost 2 4 Where a failed component or water heater is replaced under this warranty the bala...

Page 5: ...osts are the responsibility of the owner 4 ENTITLEMENT TO MAKE A CLAIM UNDER THIS WARRANTY 4 1 To be entitled to make a claim under this warranty you need to a Be the owner of the water heater or have...

Page 6: ...the electrically operated components The removal of the front cover will expose 24V 120V and 220 V 240 V a c wiring It must only be removed by a qualified person Risk of electrical shock More than on...

Page 7: ...ce or their nearest Accredited Service Agent Only a person qualified to install or service a water heater can drain the water heater if this is required Do not modify this water heater CAUTION This he...

Page 8: ...valve or their drain lines for any reason A relief valve drain must be left open to atmosphere and be installed in a continuously downward direction In locations where water pipes are prone to freezi...

Page 9: ...and any sensor or interlock wiring must suit this applicationor the wiring protected by insulating sleeving with an appropriate temperature rating if it can make contact with the internal header The t...

Page 10: ...stalled THE WATER HEATER IS FACTORY SUPPLIED FOR USE ON NATURAL GAS USE ON PROPANE GAS WILL REQUIRE CONVERSION BY RHEEM SERVICE CONTACT RHEEM SERVICE ON 131 031 MODEL IDENTIFICATION The model identifi...

Page 11: ...This will keep the water temperature below 50 C at the bathroom and ensuite The risk of scald injury will be reduced and still allow hotter water to the kitchen and laundry TEMPERATURE ADJUSTMENT The...

Page 12: ...g at the speed required for start gas rate The water heater primary pump will be initiated and a self proving flow switch will close when flow is detected Other devices in the safety chain must also b...

Page 13: ...plumber fit a flow control valve to each shower outlet to reduce water usage Pressure relief valve running Is the relief valve discharging too much water Refer to Water Pressure Specifications on page...

Page 14: ...be certain that There is no pressure in the water heater Isolate the water heater Raise the release on the relief valve Do not depend on the pressure gauge reading The water heater water is not hot Th...

Page 15: ...t Check that the proper ID card is securely connected Perform a power and system restart Steady ON Internal Control Failure Perform a power and system reset If fault remains replace PIM 1 flash N A N...

Page 16: ...15 15700 20 12490 25 10000 30 8059 35 6535 40 5330 45 4372 50 3605 55 2989 60 2490 65 2084 70 1753 75 1481 80 1256 85 1070 90 915 95 786 100 667 Table 4 10K 25 NTC Curve J Sensor Resistance Values IF...

Page 17: ...very important you raise and lower the lever gently Warning Failure to do this may result in the water heater failing Warning Exercise care to avoid any splashing of water as water discharged from the...

Page 18: ...he saturation index is less than 1 0 the water is very corrosive and the Rheem warranty does not apply to a copper heat exchanger in a Raypak water heater In a scaling water supply calcium carbonate i...

Page 19: ...rom the supplier or it should be tested to ensure the water supply meets the requirements given in these guidelines for the Rheem warranty to apply AUTOMATIC CHEMICAL FEEDERS All chemicals must be int...

Page 20: ...to its installation This includes the removal of the shipping pallet The following parts are supplied with the water heater Temperature Pressure gauge Fitting Kit comprising 2 off NPT to BSP water in...

Page 21: ...sea level adjustments may be required WATER HEATER LOCATIONS This water heater is suitable for outdoor or indoor installation The flueing will depend on where the water heater is installed and the lo...

Page 22: ...duits etc FIRE RESISTANT MATERIALS Fire resistant materials should comply with the requirements of AS NZS 5601 1 Appendix C If in doubt seek advice from your material supplier or your local regulator...

Page 23: ...carpeting Table 5 Clearances All Installations Fig 2 Minimum Clearances Indoor and Outdoor Installations PLANNING THE INSTALLATION The MVB requires adequate clearance on all four sides to facilitate...

Page 24: ...4 381 426 454 Relief Valve Connection RC RC RC RC RC RC RC Electrical Rating 240V 50Hz Amps 6 25 6 25 6 25 6 25 6 25 8 5 8 5 Min Buffer Tank Capacity L 217 326 434 544 653 761 820 Max Storage Tank Cap...

Page 25: ...25 Fig 3 Multiple MVB with Vertical Room Sealed Flueing Showing Typical Gas Water Air Intake and Flue Configurations...

Page 26: ...at the fixtures Mechanical Hydronic and Process Heating Applications H Models The pressure of the makeup supply must be controlled This may be achieved by the use of a pressure limiting valve or a hea...

Page 27: ...line to a temperature limiting device branches off before this valve or from another cold water line in the premises then a pressure limiting valve of an equal pressure setting may be required prior...

Page 28: ...The temperature and pressure gauge is shipped loose within the top cabinet for field installation and should be installed within 300 mm of the water heater outlet in an easily readable location IMPOR...

Page 29: ...ree rise MVB Model Pump Model Branch Size mm Minimum Manifold Header Size mm Pump Speed Setting 1 Unit 2 Units 3 Units 4 Units pipe dia speed pipe dia speed pipe dia speed pipe dia speed mm mm mm mm 9...

Page 30: ...umps have 3 fixed speed control settings The appropriate speed setting must be used to ensure correct operation Table 10 Pump and Pipe Sizing for Mechanical Heating Applications For the most efficient...

Page 31: ...mps are used the pump contactor is controlled via the MVB 3 DHW primary flow and return pump between water heater and storage tank calorifier in systems providing combined heating and DHW Where single...

Page 32: ...equired The storage tanks MUST be installed according to Equa flow principles as described in the installation instructions supplied with the storage tanks and detailed on page 33 and Fig 5 to 9 on pa...

Page 33: ...me diameter and length and be fitted with identical ball or gate valves refer to diagram below Fig 5 Storage Tank Inlet Manifold Arrangement 2 The heating water manifold primary return header assembly...

Page 34: ...bly must be designed to balance the flow from each storage tank i e each branch line must be the same diameter and length and be fitted with identical ball or gate valves refer to diagram below Fig 7...

Page 35: ...35 Plumbing Diagrams Fig 8 Typical Installation One Water Heater One Storage Tank Fig 9 Typical Installation Multiple Water Heaters Multiple Storage Tanks...

Page 36: ...air must be equipped with flow control valves or other automatic means to prevent gravity circulation of the heater water during the cooling cycle It is highly recommended that the piping be insulate...

Page 37: ...op main equal to the inlet outlet header connections of the water heater as a minimum Install the correct pump The temperature rise must be between 10 C and 15 C Refer to Table 10 on page 30 for pump...

Page 38: ...ter heater Refer to AS NZS 5601 1 for the correct pipe sizing GAS CONNECTIONS MVB Model 910500 910750 911000 911250 911500 911750 912000 Gas Connection R1 R1 R1 R1 R1 R2 R2 Water and gas connections o...

Page 39: ...ally preset as noted in Table 15 on page 39 MVB Model Manifold Gas Pressure Setting High Fire Values kPa Nat Gas Propane 910500 1 17 1 32 910750 1 15 1 44 911000 1 15 1 87 911250 1 57 2 07 911500 2 07...

Page 40: ...Dia 150 AQ94200106 Dia 200 AQ94200127 87 deg Elbow Dia 150 AQ94200108 Dia 200 AQ94200129 45 deg Elbow Dia 150 AQ94200109 Dia 200 AQ94200130 Flue Drain Test Port 2 Per MVB Dia 150 AQ94200107 Dia 200 A...

Page 41: ...ly terminating flues and must be observed At least 500 mm between the top of the flue terminal and the eaves At least 1 500 mm horizontally between the flue terminal and the edge of any opening into t...

Page 42: ...idental contact by people or pets 8 DO NOT terminate flue in window well stairwell alcove courtyard or other recessed area 9 DO NOT terminate flue above any door window or gravity air intake Condensat...

Page 43: ...VERTICAL TERMINATING FLUES Lubricant is available to lubricate the flue gaskets for ease of installation DO NOT use soapy water 1 Fit the flue adaptor to the flue outlet located at the bottom back of...

Page 44: ...the water heater and secure with the screw clamp supplied 2 Fit one of the flue condensate drain port sections with the drain pointing towards the ground and secure to the adaptor with the clamp Note...

Page 45: ...ls and must not be installed in a well or below grade The flue terminal must be located NO CLOSER than 300mm off the wall An obstruction in the direction of discharge must be no closer than 1 5m 9 Fit...

Page 46: ...listed below which will induce acidic condensation 2 Reduce infiltration into the building through openings and ventilation Products causing contaminated combustion air spray cans containing chloro f...

Page 47: ...flue lengths and flue sizes Under no circumstances is the flue diameter size to be reduced WARNING Due to the high operating efficiency of the MVB the flue gasses may condense in the flue The flue MUS...

Page 48: ...m the water heater flue outlet Fit the drain port section with the port NOT pointing towards the ground or the heater straight flue lengths and or elbows and run to the terminal location Secure each j...

Page 49: ...of the flue shall also be supported every 1 5m to maintain clearances and to prevent physical damage or separation of joints 5 Use appropriate flue lengths or adjustable lengths to achieve the desire...

Page 50: ...ngress to the building not supplied and if extended above the roof more than 1 5m should be secured with guy wires or braced 5 The air intake must be terminated with a downward facing 90 degree elbow...

Page 51: ...MPERS OR LOUVERS When dampers or louvers are communicating directly with outside combustion air they must be interlocked with each appliance in the equipment room to ensure proper operation See Extra...

Page 52: ...stic Hot Water Configuration up to 71o C Refer to Fig 22 and 23 on page 52 When a W model is ordered the only application available is direct DHW with single or multiple heaters Maximum 4 heaters The...

Page 53: ...meter device is set as indicated in Description Parameter Range Description Default Rqd Tank Setpoint 10 0 71 0 C Tank setpoint only avail if Modbus Mode Off or Monitor 51 5 C Tank Diff 1 0 5 0 C Diff...

Page 54: ...ed by the Pump C controller is fitted in the top of the storage tank The System sensor S3 is replaced by a 10 kOhm resistor As the H model relies on the System sensor to enable a CFH the 10k Ohm resis...

Page 55: ...e condition from occurring when operating in limp mode H Models High Temp DHW 82 C Max ADJUST Menu Settings Default column shows factory default settings Actual values will depend on installation Requ...

Page 56: ...emp control Rate Rate control Monitor Address 1 170 Modbus slave address not avail if Modbus Mode para OFF 1 Data Type RTU ASCH Modbus data type not avail if Modbus Mode para OFF RTU Parity None Odd E...

Page 57: ...t settings Actual values will depend on installation Required Rqd values shown bracketed in bold must not be exceeded Parameters can only be changed if VERSA control board DIP switch 1 is set to ON up...

Page 58: ...rate not avail if Modbus Mode para OFF 19200 1 Split differential for hydronic Target Setpoint e g 5 0 C diff CFH at 2 5 C below Target Setpoint CFH end at 2 5 C above Target Setpoint only available...

Page 59: ...system sensor S3a master S3 NOTE The target temperature is boosted by 20 50 during an indirect DHW CFH depending on Indirect DHW setpoint value to facilitate faster heating of the indirect DHW tank e...

Page 60: ...od A bridging wire or optional aquastat must be installed between field wiring terminal strip Indirect DHW Override terminals 10 12 to permit indirect DHW operation Set auto reset high limit switch to...

Page 61: ...e para 2 and Ind Priority Enable para is set to ON 1 00 hr WWSD 4 0 37 5 C OFF Warm weather heating shut down temp only avail if Target Mode para RSET Note Indirect DHW CFH will override 21 0 C Outdoo...

Page 62: ...ter firing rate is determined by the water temperature at the Indirect Supply Sensor S6 and the Target Max setting when using the Indirect DHW sensor S5 The Water Heater Pump P1 runs during all heat c...

Page 63: ...wiring terminal strip Enable Disable terminals 11 12 Note indirect DHW priority is always activated for operation mode 3 and system pump P2a will turn off whenever an indirect DHW CFH is present for...

Page 64: ...0 min Sets the length of system pump P2 post purge i e pump run on only when Modbus Mode para Temp or Rate and if PIM DIP switch 3 is ON Default DIP 3 setting is ON 0 20 min Glycol 0 50 Not used for M...

Page 65: ...us parity not avail if Modbus Mode para OFF Even Baud Rate 2400 9600 19200 57600 115000 Modbus baud rate not avail if Modbus Mode para OFF 19200 1 Split differential for hydronic Target Setpoint e g 5...

Page 66: ...the water heater cabinet there must be a 10 mm air gap between the conduit and the water heater cabinet to prevent overheating of the wiring LOW VOLTAGE CONNECTIONS All 240 voltage connections are ma...

Page 67: ...463W 2 05A 911000 Magna 1 40 120 463W 2 05A Magna 1 40 120 463W 2 05A 911250 Magna 1 40 120 463W 2 05A Magna 1 40 120 463W 2 05A 911500 Magna 1 40 120 463W 2 05A Magna 1 65 150 1263W 5 53A 911750 Mag...

Page 68: ...CILLARY CONNECTIONS All extra low voltage wiring including sensors interlocks enable disable and various options are wired into terminals 1 24 on the front wiring panel as noted in Fig 35 on page 68 E...

Page 69: ...69 Fig 36 Wiring diagram All MVB Models...

Page 70: ...and fit the sensor into the sensor well of the storage tank shown as S3 For most applications this will be the lowest sensor location on the tank but may vary depending on specific project design nee...

Page 71: ...he sensor into the lowest sensor port on the storage tank Fit the capillary bulb ECO supplied with the Pump C controller into the highest sensor port on the storage tank Remove the jumper wire from te...

Page 72: ...g 35 Refer to Wiring the Outdoor Sensor on page 76 if an outdoor sensor is used shown as S4 Connect the water heater pump shown as P1 to the terminals marked R1 Water Heater Pump located in the Mains...

Page 73: ...e Outdoor Sensor on page 76 if an outdoor sensor is used shown as S4 Connect the water heater pump shown as P1 to the terminals marked R1 Water Heater Pump located in the Mains Power and Pump connecti...

Page 74: ...to Fig 35 Refer to Wiring the Outdoor Sensor on page 76 if an outdoor sensor is used shown as S4 Connect the water heater pump shown as P1 to the terminals marked R1 Water Heater Pump located in the...

Page 75: ...te and pump current from Table 19 and 20 on page 67 A dedicated circuit breaker should be provided NOTE Current draw noted on rating plate does not include pump current 2 Turn off all power to the hea...

Page 76: ...heaters or the firing rate of a single MVB water heater To enable this remote control function set dip switch 5 to the UP position on the PIM refer to Fig 39 on page 71 Dip switch 5 Toggles between a...

Page 77: ...1mm wire to connect from the Master VERSA at terminals A and B marked PIM FT_Bus 2 etc to each corresponding Follower at terminals J3 marked FT_BUS on the PIM by pressing down on the slots with a smal...

Page 78: ...ay No power of any kind should be applied to either of these terminals ALARM CONNECTION An alarm annunciator or light may be connected to the alarm contacts on the water heater at terminals 23 and 24...

Page 79: ...odule will attempt to light only one time before lockout occurs To reset the lock out press and release the RESET button located on the right of the control panel Turning off the power to the heater W...

Page 80: ...the heater when too much of the flue is blocked This switch is located on the right side of the heater near the right rear corner see Fig 50 Fig 50 Blocked Flue Switch Air Pressure Switch This heater...

Page 81: ...OLS Button Used to perform miscellaneous functions e g user test reset defaults DOCUMENT Button Not currently used WIFI Button Not currently used BACK Button Tap to go back to the previously viewed sc...

Page 82: ...emperature setting refer to Raising or Lowering the Indirect DHW Setpoint on page 84 The heater will automatically operate to heat the water to the desired setpoint temperature s provided there is cor...

Page 83: ...or if Target Mode parameter SETP H model heaters without an aquastat 1 Turn heater OFF and isolate power supply to heater by switching off electrical isolator located adjacent to heater 2 Remove fron...

Page 84: ...ater ON 5 Reboot touchscreen TOOLS Screen Reboot Screen Reboot 6 Tap the MENU button to enter the home screen 7 Tap the ADJUST button to enter the adjust menu 8 Tap the Indirect Settings button to ent...

Page 85: ...ch boiler screen displays information relative to the boiler heater selected Also used to change Outlet Max Mass and Post Purge pump run on parameter settings for each heater Boiler 2 Boiler 3 Boiler...

Page 86: ...tton to enter the view menu Whilst in the view menu tap the 3D System View button to enter the 3D system view screen Whilst in the view menu tap the Master Info button to enter the master info screen...

Page 87: ...rmation as the 3D system view screen plus the additional items listed in the following table Master Info Screen view only ITEM DISPLAYS NOTES Delta Temp Outlet water temp S1 minus inlet water temp S2...

Page 88: ...temp in C Delta Temp Outlet water temp minus inlet water temp in C Temperature rise across the heat exchanger Firing Rate firing rate of individual burner modulation level determined by PIM ADJUST Men...

Page 89: ...H Models High Temp 82 C Max 55 Mode 1 ADJUST Menu Settings For Hydronic Systems without DHW 57 Mode 2 ADJUST Menu Settings For Hydronic Systems with Indirect DHW on hydronic loop 60 Mode 3 ADJUST Menu...

Page 90: ...buttons or ON OFF button or selection button to adjust the parameter The value will change and the green bar above or beside the value will change to red if green bar is present not all parameters ha...

Page 91: ...ton to enter the expanded boiler screen or tap the Boiler Error History button to enter the boiler error history screen Whilst in the expanded boiler screen tap the left side arrow to enter the boiler...

Page 92: ...tion Burn burner on Postpurge HardLock hard lockout SoftLock soft lockout SoftLock A soft lockout has occurred that interrupted the heating cycle The CFH will resume after fault correction expiry of 1...

Page 93: ...w home page 3D System View Tap to navigate to 3D system view home page Extra MOD min Set during commissioning DO NOT ALTER 2 BOILER Boiler Error History Boiler Error History Screen Items can only be d...

Page 94: ...reen time out timer Celsius to Fahrenheit technician test execution clock setup touchscreen reboot and reset to default function Defaults button PIM and VERSA control board DIP switch settings can als...

Page 95: ...er contact details Tap then use keyboard to type contact details after entering password RAYPAKREP Factory Diagnostics Tap to enable performance files to be recorded to SD card located on rear top lef...

Page 96: ...t item location Tap to change flashing item location Decreases flashing item Tap to decrease flashing item Increases flashing item Tap to increase flashing item Save Saves all items displayed Tap to s...

Page 97: ...justable It is factory set at 21 C water temperature Boil START at 21 C outdoor air OUT START and 82 C water temperature Boil DESIGN at 12 C outdoor air OUT DESIGN Each building has different heat los...

Page 98: ...SD segment in the display When the control is in Warm Weather Shut Down the Dem 1 segment is displayed if there is a heat demand However the control does not operate the water heater to satisfy this d...

Page 99: ...THE WATER HEATER Lighting Instructions Warning If you smell gas do not attempt to turn on the water heater The power supply to the water heater must not be switched on until the system is filled with...

Page 100: ...is not tripped c Enable Disable circuit is closed d Gas is on at the meter and the heater e Incoming dynamic gas pressure to the gas valve is NOT less than that required per Table 14 TO TURN OFF THE W...

Page 101: ...then close vent Check the pipe work for leaks at operating pressure Water Heating Applications A 150 PSI 1000 kPa pressure relief valve is fitted to W model water heaters and is required to be fitted...

Page 102: ...page 66 7 Ensure the pump s are installed in the correct orientation the flow direction is correct and for three phase pumps the phase rotation is correct Ensure the correct speed setting has been sel...

Page 103: ...leave this guide inside of the cover of the water heater as it may interfere with the safe operation of the water heater or ignite when the water heater is turned on CLOSED LOOP WATER SOURCE HEAT PUMP...

Page 104: ...104 Fig 52 Closed Loop Water Sourced Heat Pump...

Page 105: ...cedure and Six Monthly Service Procedure Six Monthly Service 1 Clean the cabinet of any dust lint and debris 2 Ensure plants shrubs or any other material are not obstructing the flue terminal or air i...

Page 106: ...pre purge period 16 Conduct a combustion analysis test 17 Warn customer of the danger of storing chemicals and or using flammable materials or aerosol spray packs near the heater Aerosols and harsh c...

Page 107: ...ing procedure to replace the air filter 1 Turn heater off and wait for blower to stop operating 2 Remove two hex head screws retaining air filter box cover and remove cover 3 Slide air filter out of a...

Page 108: ...108 This page is intentionally left blank AQ0901093 Rev B March 2021...

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