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Monitor Menu

The Monitor Menu records and displays critical Boiler information, such as, Cycle times, Run times, and

Maximum/Minimum temperature readings depending on the setup.

Table R: Monitor Menu

Item

Application Description

RUN TIME Burner 1

All

Burner run time (hours). Press UP/DOWN for 1 sec to clear.

Cycles Burner

All

Number of burner cycles. Press UP/DOWN for 1 sec to clear.

RUN TIME Boiler pump

All

Boiler pump run time (hours). Press UP/DOWN for 1 sec to

clear.

RUN TIME System pump All

System pump run time (hours). Press UP/DOWN for 1 sec to

clear.

RUN TIME DHW pump

H MODE 2,3

DHW pump run time (hours). Press UP/DOWN for 1 sec to clear.

OUTLET HI

All

Records the highest boiler outlet temperature. Press UP/DOWN

for 1 sec to clear.

OUTLET LO

All

Records the lowest boiler outlet temperature. Press UP/DOWN

for 1 sec to clear.

INLET HI

All

Records the highest boiler inlet temperature. Press UP/DOWN

for 1 sec to clear.

INLET LO

All

Records the lowest boiler outlet temperature. Press UP/DOWN

for 1 sec to clear.

OUTDOOR HI

H MODE 1,2,3

Records the highest outdoor temperature. Press UP/DOWN for 1

sec to clear.

OUTDOOR LO

H MODE 1,2,3

Records the lowest outdoor temperature. Press UP/DOWN for 1

sec to clear.

SYSTEM HI

All

Records the highest supply temperature. Press UP/DOWN for 1

sec to clear.

SYSTEM LO

All

Records the lowest supply temperature. Press UP/DOWN for 1

sec to clear.

IND HI

H MODE 1,2,3

Records the highest Indirect supply temperature. Press

UP/DOWN for 1 sec to clear.

IND LO

H MODE 1,2,3

Records the lowest Indirect supply temperature. Press

UP/DOWN for 1 sec to clear.

DHW HI

Records the highest DHW temperature. Press UP/DOWN for 1

sec to clear.

DHW LO

Records the lowest DHW temperature. Press UP/DOWN for 1

sec to clear.

Содержание MVB 1104A

Страница 1: ...apors and liquids or other combustible materials in the vicinity of this or any other appliance To do so may result in an explosion or fire WHAT TO DO IF YOU SMELL GAS Do not try to light any applianc...

Страница 2: ...page 22 Table K on page 28 High Limits on pages 36 37 Wiring Diagram on page 44 Blower Check on page 47 Table U on page 47 Filter Maintenance on page 55 Additions Motorized Combustion Air Dampers or L...

Страница 3: ...r 17 Pool Heating 19 Gas Supply 21 Electrical Power Connections 22 Field Wiring Connection 24 Venting 27 Venting Installation Tips 30 Venting Configurations 30 Outdoor Installation 35 Controls 36 User...

Страница 4: ...cause cancer birth defects or other reproductive harm WARNING Risk of electrical shock More than one disconnect switch may be required to de energize the equipment before servicing CAUTION This heater...

Страница 5: ...andard war ranties Model Identification The model identification number and heater serial number are found on the heater rating plate located on the upper rear jacket panel of the heater The model num...

Страница 6: ...y Fig 4 Component Locations Top Fig 3 Component Locations Rear Panels omitted for clarity Fig 2 Component Locations Front Model No MBTUH Input Water Conn NPT Gas Conn NPT Vent Size in Max Min N P Flue...

Страница 7: ...To determine the water temperature being delivered turn on a hot water faucet and place a thermometer in the hot water stream and read the thermometer NOTE When this water heater is supplying general...

Страница 8: ...n in front 1 in on the side at least 24 in on the rear and 10 in above the top of the heater is required This will allow 8 Table C Clearances Indoor Installations INSTALLATION Installation Codes Insta...

Страница 9: ...rdering the unit and is shipped loose for field installation The intake air elbow MUST be Combustion and Ventilation Air Indoor Units This heater must be supplied with sufficient quantities of non con...

Страница 10: ...t 91 cm K Clearance to mechanical air supply inlet 3 ft 91 cm above if within 10 ft 3m horizontally 6 ft 1 83m L Clearance above paved sidewalk or paved driveway located on public property 7 ft 2 13m...

Страница 11: ...operation See Field Wiring Connection section of this manual for proper wiring instructions using Fan Damper dry contacts and external interlock TruSeal Combustion Air In addition to the 3 previous st...

Страница 12: ...l be provided by an opening s for ventilation air at the highest practical point communicating with the outdoors The total cross sectional area of such an opening s shall be at least 10 of the area re...

Страница 13: ...antable failure When required Raypak recommends the boil er be isolated from the system piping prior to flushing or cleaning with any cleaning agent Cold Water Operation This heater is equipped with a...

Страница 14: ...Fig 9 Cold Water Start Maximum 4 times the pipe diameter or 12 whichever is less water is kept in a narrow temperature range of no more than 10 F 5 C a permanent manual bypass can be employed and man...

Страница 15: ...al codes Piping All high points should be vented A heater installed above radiation level must be provided with a low wa ter cut off device sales order option F 10 This heater when used in connection...

Страница 16: ...are high recovery low mass heaters which are not subject to thermal shock Applications Modes The VERSA IC Control system is designed for a wide range of applications The installer design engineer shou...

Страница 17: ...lled by the Supply sensor S3 whenever the indirect call for heat is not active The DHW Supply sensor S5 determines the indirect call tank setpoint During an indirect call for heat the boiler firing ra...

Страница 18: ...el tubes are recommended for water softened below 5 grains per gallon Table G Domestic Water Heater Flow Rate Requirements 3 4 Grains Per Gallon 5 15 Grains Per Gallon 16 25 Grains Per Gallon T F GPM...

Страница 19: ...talled outdoors as pool heaters in freezing climate areas should be shut down for the winter To shut down the heater turn off manual main gas valve and main gas shut off Close isolation valves Drain t...

Страница 20: ...pool equip ment it is essential that your water be chemically balanced The following levels must be used as a guide for balanced water Occasional chemical shock dosing of the pool or spa should not da...

Страница 21: ...pressures in excess of 1 2 psi 3 45 kPa Gas Supply Pressure A minimum of 4 0 in WC upstream gas pressure under full load and a maximum gas supply pressure setpoint of 10 5 in WC under load and no loa...

Страница 22: ...er for pumps larger than 3 4 HP must be a sepa rate circuit wired through the pump contactor Power to the MVB heater should be connected to terminals 1 2 and 3 as noted in Fig 20 All low voltage wirin...

Страница 23: ...Connected Controllers It is strongly recommended that all individually pow ered control modules and the heater should be supplied from the same power source NOTE Field supplied isolation relays should...

Страница 24: ...eet 4 Mount the outdoor sensor on an exterior surface of the building preferably on the north side in an area that will not be affected by direct sunlight and that will be exposed to varying weather c...

Страница 25: ...installation 2 When the Indirect DHW call for heat is active the PIM communicates this to the VERSA The VERSA calculates the optimal operation and sends the firing rate and pump output requests to th...

Страница 26: ...nnections are dry contacts rated for pilot duty only 5A maxi mum 2 Connect the boiler pump enable wires to the termi nal block at the rear of their unit The connections are dry contacts rated for pilo...

Страница 27: ...lose during fault or lockout conditions and the maximum voltage across the contacts is 30 VAC or 30 VDC See the Field Wiring as shown in Fig 25 In a cascade system the alarm output of the master boile...

Страница 28: ...s any question about the appliance categorization and suitability of a vent material for application on a Category I or III vent system Using improper venting materials can result in personal injury d...

Страница 29: ...ove any door window or gravity air inlet to the building 2 The vent must not be less than 7 ft above grade when located adjacent to public walkways 3 Terminate vent at least 3 ft above any forced air...

Страница 30: ...te a thermal driving head that expels the exhaust gases from the flue The nega tive draft must be within the range of 01 to 08 in WC as measured 12 in above the appliance flue out let to ensure proper...

Страница 31: ...proper sizing of the manifold and the chimney At no time should the area of the common vent be less than the area of the largest heater exhaust outlet Common venting systems may be too large once an e...

Страница 32: ...ined above return doors windows exhaust fans fireplace dampers and other gas burning appliances to their previous conditions of use 7 Any improper operation of the common venting system should be corr...

Страница 33: ...equivalent ft in length If horizontal run exceeds 75 equivalent ft an appropri ately sized variable speed extractor must be used Each elbow used is equal to 10 ft of straight pipe This will allow ins...

Страница 34: ...steel flue direct vent cap must be used sales order option D 15 The vent terminal must be located NO CLOSER than 12 off the wall Direct Vent Vertical Installation These installations utilize the heate...

Страница 35: ...elbow are provided in accor dance with CSA requirements These must be installed directly on the vent pipe as illustrated in Fig 36 Care must be taken when locating the heater out doors because the fl...

Страница 36: ...here is a call for heat and all safeties are closed then the combustion air blower starts to purge air from the combustion chamber After the pre purge the igniter is energized The standard ignition mo...

Страница 37: ...or air pockets Fig 41 Low Water Cut Off High Low Gas Pressure Switches Optional The optional low gas pressure switch mounts upstream of the gas valve on the inlet flange to the gas valve and is access...

Страница 38: ...IC Control I O Manual Catalog 5000 72 Adjusting the MVB Setpoint To adjust the setpoint on the MVB Use the MENU key to scroll to the SETUP ADJUST menu then use the ITEM key to scroll to the SET POINT...

Страница 39: ...rature 220 F TARGET MIN H MODE 1 2 3 OFF 50 F to 190 F Minimum target system temperature 50 F TARGET DIFF H MODE 1 2 3 2 F to 42 F Differential for target system temperature 10 F DHW SENSOR H MODE 1 2...

Страница 40: ...fset OPERATOR All Operator Limit Potentiometer PIM setting AUTO DIFF H MODE 1 2 3 Current auto differential PUMP PREPt All Duration of pump prepurge BLOW PREPt All Duration of blower prepurge BLOW PRE...

Страница 41: ...oiler outlet temperature Press UP DOWN for 1 sec to clear INLET HI All Records the highest boiler inlet temperature Press UP DOWN for 1 sec to clear INLET LO All Records the lowest boiler outlet tempe...

Страница 42: ...degree the outdoor temperature drops the tempera ture of the heating water will increase one degree With the VERSA both ends of the slope are adjustable It is factory set at 70 F water temperature Bo...

Страница 43: ...nual temperature where the building is located This temperature is used when completing heat loss calculations for the building Boiler Design Boil DESIGN The Boil DESIGN temperature is the water tempe...

Страница 44: ...44 WIRING DIAGRAM Models 504A 2004A...

Страница 45: ...ne Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Use only your hand to turn the gas control valve handle Never use tools If the handle will not...

Страница 46: ...pproximately 15 seconds after the blower starts the igniter should start to glow observable through the observation port located at the front below the gas valve Look into the sight glass located just...

Страница 47: ...the user test function USER TEST is displayed in the Title Field UP keystrokes are used to advance through the user test The Boil MIN MAX steps for burner operation are only run for enabled boilers Lo...

Страница 48: ...point B bleedle valve and open the upstream manual gas valve Make sure that test point A B bleedle valves have been opened so as to allow gas to flow This will bring gas pressure to the second valve s...

Страница 49: ...allow one time operation of the limit and then must be returned to normal operation by turning dip switch 8 back to the OFF position Power to the unit must then be cycled off then on to return to nor...

Страница 50: ...ater temperature or manual reset high limit 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...

Страница 51: ...replace control DELTA T Temperature difference between the inlet and outlet exceeded the set point Check water flow LOW 24VAC Low 24 VAC power Check power supply wiring and transformer BLOW SPEED Blow...

Страница 52: ...the gas supply See table for more information 4 flashes N A N A 5 flashes Low Voltage Fault Check the 24 VAC input voltage The voltage must be above 18 0 VAC 6 flashes N A N A 7 flashes Hi Limit Fault...

Страница 53: ...c tion deterioration or leakage 4 Visually inspect for proper operation of the con densate drain in the venting If leaks are observed repair at once 5 Check air vents for leakage Yearly Beginning Of E...

Страница 54: ...see light blue flame at full input rate Weekly For low pressure heaters test low water cut off device With heater in pre purge depress the low water cut off test button Appliance should shut off and i...

Страница 55: ...y safety relief valves in accordance with ASME Heater and Pressure Vessel Code Section IV Filter Maintenance Inspect quarterly Replace when tracking pressure exceeds 0 5 in WC at 100 fan speed Filter...

Страница 56: ...tion air spray cans containing chloro fluorocarbons permanent wave solutions chlorinated waxes cleaners chlorine based swimming pool chemicals calcium chloride used for thawing sodium chloride used fo...

Страница 57: ...wall horizontally vented gas fueled equipment installed in every dwelling building or structure used in whole or in part for residential purposes including those owned or operated by the Commonwealth...

Страница 58: ...58...

Страница 59: ...utes Vent Size _____________ Stack Height _______ Low Water Cutoff _______________Test Category _________ sketch vent on reverse side Number of Tanks and Size Qty____ _______Gallons Vent Material ____...

Страница 60: ...el must be between 7 2 and 7 8 and total alkalinity between 100 and 150 PPM Total Dissolved Solids TDS must be no greater than 2500 PPM PARTS REPLACEMENT Under this Warranty Raypak will furnish a repl...

Страница 61: ...EMENT Under this Warranty Raypak will furnish a replacement for any failed part The failed part must first be returned to Raypak if requested with transportation charges prepaid and all applicable war...

Страница 62: ...62...

Страница 63: ...63...

Страница 64: ...64 www raypak com Raypak Inc 2151 Eastman Avenue Oxnard CA 93030 805 278 5300 Fax 805 278 5468 Litho in U S A...

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