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Manual Munchkin Gas-Fired Hot Water Circulating Heater

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  • Munchkin Gas-Fired Hot Water Circulating Heater - page 1

    W ARNING This manual must only be used by a qualified heating installer/service technician. Read all instructions in this manual before installing. P erform steps in the order given. Failure to comply could result in severe personal injury , death or substantial property damage. • Installation • Startup • Maintenance • Parts Installation Ma ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 2

    1 GAS -FIRED HEA TER Installation Manual W ARNING If the information in this manual is not followed e xactly , a fire or explo- sion 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. WHA T TO DO IF Y OU SMELL GAS • ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 3

    2 GAS -FIRED HEA TER Installation Manual CONTENTS P art 1 – P roduct and Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4,5 P art 2 – How The Heater Operates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8 P art 3 – Prepare Heater Location . . . . . . . ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 4

    3 GAS -FIRED HEA TER Installation Manual CONTENTS (CONT ’D) F . Exhaust V ent and Intak e Air Pipe Installation. G . Heater Removal from a Common V ent System H. Condensate Removal System I. Diagrams for Side W all V enting P art 8 – Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 5

    4 GAS -FIRED HEA TER Installation Manual P ART 1: PRODUCT AND SAFETY INFORMA TION SPECIAL A TTENTION BO XES The following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or to important information concerning the product. D ANGER DANGER indicates an imminently hazardous situation wh ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 6

    5 GAS -FIRED HEA TER Installation Manual P ART 1: PRODUCT AND SAFETY INFORMA TION (CONT ’D) Before Installing WHEN SERVICING THE MUNCHKIN CONTENDER • T o avoid electric shock, disconnect electrical supply before performing maintenance. • T o avoid severe burns, allow heater to cool before performing maintenance. MUNCHKIN CONTENDER OPERA TION ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 7

    6 GAS -FIRED HEA TER Installation Manual can cause internal corrosion in system components. Leaks in heater or piping must be repaired at once to prevent make-up water . WINTERIZING THE MUNCHKIN CONTENDER T o winterize the Munchkin Contender , drain the entire system, then apply air pressure to the drain valve and allow air and water to escape from ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 8

    7 GAS -FIRED HEA TER Installation Manual P ART 2: HOW THE MUNCHKIN CONTENDER OPERA TES (CONT ’D) powered and combustion air is flowing. 4. Swirl Plate System The Swirl Plate on the gas valve controls the air and gas flow into the burner , which will assure better mixing for improved combustion. 5. Supply water temperature sensor This sensor monit ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 9

    8 GAS -FIRED HEA TER Installation Manual located in the Vision One section of this manual. Optional kit consists of the following • Outdoor sensor – 7250P -319 • Indirect tank sensor – 7250P -325 Super Stor Ultra Indirect W ater Heater to get a fast recovery by prioritizing the flow at a higher temperature than may be needed for the central ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 10

    9 GAS -FIRED HEA TER Installation Manual P ART 3: PREP ARE MUNCHKIN CONTENDER LOCA TION (CONTINUED) BEFORE LOCA TING THE MUNCHKIN CONTENDER 1. Check for nearby connection to: • System water piping • V enting connections • Gas supply piping • Electrical power 2. Check area around heater . Remove any combustible materials, gasoline and other ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 11

    10 GAS -FIRED HEA TER Installation Manual P ART 3: PREP ARE MUNCHKIN CONTENDER LOCA TION (CONTINUED) D . RESIDENTIAL GARAGE INST ALLA TION P recautions T ake the following special precautions when installing the Munchkin Contender in a residen- tial garage. If the heater is located in a residen- tial garage, per ANSI Z223.1, paragraph 5.1.9: • Mo ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 12

    11 GAS -FIRED HEA TER Installation Manual G . WHEN REMOVING AN EXISTING HEA TER FROM AN EXISTING COMMON VENT SYSTEM At the time of removal of an existing heater , the fol- lowing steps shall be followed with each appliance remaining connected to the common venting sys- tem placed in operation, while the other appli- ances remaining connected to the ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 13

    12 GAS -FIRED HEA TER Installation Manual P ART 4: PREP ARE MUNCHKIN CONTENDER (CONTINUED) D . INST ALLA TION STEPS 1) Prior to lifting the Munchkin Contender Heater onto the wall, use the enclosed template to level and locate the 2 primary screws (#12 x 3" [3/16" x 3"]) round head tapping screw leaving about 1/4" under the scre ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 14

    13 GAS -FIRED HEA TER Installation Manual A. RELIEF V AL VE Connect discharge piping to safe disposal loca- tion, following guidelines in the W ARNING below . B. GENERAL PIPING INFORMA TION C. SEP ARA TE L OW WA TER CUTOFF A low water cutoff may be required by state local code or some insurance companies. Check code requirements before installation ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 15

    14 GAS -FIRED HEA TER Installation Manual P ART 5: MUNCHKIN CONTENDER PIPING (CONTINUED) 2. Expansion tank must be located as shown in Piping P art 5, or following recognized design methods. See tank manufacturer ’s instructions for details. 3 . Connect the expansion tank to the air separator only if the separator is on the suction side of the ci ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 16

    15 GAS -FIRED HEA TER Installation Manual P ART 5: MUNCHKIN CONTENDER PIPING (CONTINUED) concentration and inhibitor level. The system should be tested at least once a year and as recommend by the producer of the glycol solution. Allowance should be made for the expansion of the glycol solution in the system piping. Example 50% by volume solution e ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 17

    16 GAS -FIRED HEA TER Installation Manual I. FILL AND PURGE HEA TING SYSTEM • Attach the hose to balance and purge hose connector or drain valve and run hose to nearest drain • Close the other side of the balance and purge valve or the shut off valve after the drain. • Open first zone balance and purge or drain valve to let water flow out the ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 18

    17 GAS -FIRED HEA TER Installation Manual MUNCHKIN CONTENDER PIPING (CONTINUED) J . ZONING WITH ZONE V AL VES 1. Connect heater to system as shown in 1A and 1B in Piping Details when zoning with zone valves. The primary/secondary piping shown ensures the heater loop will have sufficient flow . It also avoids applying the high head of the heater cir ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 19

    18 GAS -FIRED HEA TER Installation Manual circulator (w/ isolation flanges) gate valve globe valve ball valve swing-check valve flow-check valve spring-loaded check valve hose bib / heater drain TRV (straight) TRV angle circuit setter manual 3-way valve zone valve air separator backflow preventer diaphragm-type expansion tank pressure reducing valv ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 20

    19 GAS -FIRED HEA TER Installation Manual Standard Munchkin Contender Heater ! (zoning with valves) Space heating mode Super Stor Ultra indirect DHW Tank Drawing 1A make-up water see note 6 OFF differential pressure bypass valve anti-scald mixing valve purging valves closely spaced tees P2 Munchkin Contender Heater T/P purge NOTES: 1. This drawing ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 21

    20 GAS -FIRED HEA TER Installation Manual Standard Munchkin Contender Heater (zoning with valves) Domestic water heating mode Super Stor Ultra indirect DHW Tank Drawing 1B make-up water OFF OFF OFF OFF zone valves anti-scald mixing valve purging valves closely spaced tees differential pressure bypass valve P2 Munchkin Contender Heater T/P NOTES: 1. ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 22

    21 GAS -FIRED HEA TER Installation Manual Standard Munchkin Contender Heater Preferred piping (zoning with circulators) Space heating mode Drawing 1C NOTES: 1. This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes. 2. All closely spaced tees shall be within 4 pip ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 23

    22 GAS -FIRED HEA TER Installation Manual Standard Munchkin Contender Heater (zoning with circulators) Domestic water heating mode Drawing 1D NOTES: 1. This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes. 2. All closely spaced tees shall be within 4 pipe diamet ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 24

    23 GAS -FIRED HEA TER Installation Manual Multiple Munchkin Contender Heaters Preferred piping (zoning with circulators) Space heating mode Drawing 1E NOTES: 1. This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes. 2. All closely spaced tees shall be within 4 pi ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 25

    24 GAS -FIRED HEA TER Installation Manual Multiple Munchkin Contender Heaters Preferred piping (zoning with circulators) Domestic water heating mode Drawing 1F NOTES: 1. This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes. 2. All closely spaced tees shall be wi ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 26

    25 GAS -FIRED HEA TER Installation Manual P ART 6. MUNCHKIN CONTENDER PIPING WITH OPTIONAL VISION I SYSTEM (DHW PRIORI TY WITH OUTDOOR RESET) A. VISION I SYSTEM PIPING It is important that the system piping is done correctly when using the Vision 1 System. F ollow the piping diagrams 2A through 3G when piping your Munchkin Contender with Vision I. ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 27

    26 GAS -FIRED HEA TER Installation Manual Munchkin Contender Heater with optional VISION 1 system (zoning with valves) Space heating mode Drawing 2A NOTES: 1. This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes. 2. All closely spaced tees shall be within 4 pipe ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 28

    27 GAS -FIRED HEA TER Installation Manual Munchkin Contender Heater with optional VISION 1 system (zoning with valves) Domestic water heating mode Drawing 2B NOTES: 1. This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes. 2. All closely spaced tees shall be with ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 29

    28 GAS -FIRED HEA TER Installation Manual Munchkin Contender Heater with optional VISION 1 system (zoning with valves) Space heating mode (w/ submixing) Drawing 2C NOTES: 1. This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes. 2. All closely spaced tees shall b ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 30

    29 GAS -FIRED HEA TER Installation Manual Munchkin Contender Heater with optional VISION 1 system (zoning with circulators) Space heating mode Drawing 3A NOTES: 1. This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes. 2. All closely spaced tees shall be within 4 ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 31

    30 GAS -FIRED HEA TER Installation Manual Munchkin Contender Heater with optional VISION 1 system (zoning with circulators) Domestic water heating mode Drawing 3B NOTES: 1. This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes. 2. All closely spaced tees shall be ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 32

    31 GAS -FIRED HEA TER Installation Manual Munchkin Contender Heater with optional VISION 1 system (zoning with circulators) Space heating mode (w/ submixing) Drawing 3C NOTES: 1. This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes. 2. All closely spaced tees sh ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 33

    32 GAS -FIRED HEA TER Installation Manual Munchkin Contender Heater with optional VISION 1 system (zoning with circulators) Space heating mode (3 fully reset supply temperatures) Drawing 3D NOTES: 1. This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes. 2. All c ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 34

    33 GAS -FIRED HEA TER Installation Manual Munchkin Contender Heater with optional VISION 1 system (zoning with circulators) Space heating mode (3 different supply temperatures) Drawing 3E NOTES: 1. This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes. 2. All clo ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 35

    34 GAS -FIRED HEA TER Installation Manual Munchkin Contender Heater with optional VISION 1 system Multiple high temperature priority loads controlled with zone valves Drawing 3F NOTES: 1. This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes. 2. All closely space ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 36

    35 GAS -FIRED HEA TER Installation Manual Munchkin Contender Heater with optional VISION 1 system Multiple high temperature priority loads controlled with zone circulators Multiple low temperature load controls with zone circulators Drawing 3G NOTES: 1. This drawing is meant to show system piping concept only. Installer is responsible for all equip ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 37

    36 GAS -FIRED HEA TER Installation Manual a. Non F oam Core PVC (P olyvinyl Chloride) Pipe conforming to ASTM D -1785). b . Non F oam Core CPVC (Chlorinated P olyvinyl Chloride) Pipe conforming to ASTM D -1785). c . Non Foam Core ABS (Acrylonitrile- Butadiene- Styrene) Pipe conforming to ASTM D3965 Class 3-2-2-2-2. 2. Cellular foam core piping may ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 38

    37 GAS -FIRED HEA TER Installation Manual P ART 7: VENTING, COMBUSTION AIR & CONDENSA TE REMOVAL (CONTINUED) f . Provide 4 feet horizontal clearance from electrical meters, gas meters, gas regulators and relief equipment. In no case shall the exit terminal be above or below the aforementioned equipment unless the 4 foot horizontal distance is m ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 39

    38 GAS -FIRED HEA TER Installation Manual HOSE BARB DISTANCE NEEDED TO DRAIN INTO ANY POSITION TO CLEAR BEAM CONDENSATE LINE) DETERMINED BY AROUND OBSTRUCTIONS 1/4" NPT X 1/2" (SUGGESTED SETUP FOR PIPING (LENGTH DETERMINED TUBING MUST CAN BE ROTATED TO ELIMINATE CONDENSATION) 6" IN DIAMETER 1/4" NPT X 1/2" TOP VIEW AROUND B ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 40

    39 GAS -FIRED HEA TER Installation Manual Location of exit terminals of mechanical draft and direct -vent venting systems. (Reference: National F uel Gas Code ANSI Z223.1/NFP A 54 2002). Fig . 7-2 Multiple V ent Spacing* *Note: Exhaust must extend out 1 foot Figure 7-4: Multiple Heater Installations Fig . 7-3 Multiple Stainless Steel Horizontal V e ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 41

    40 GAS -FIRED HEA TER Installation Manual P ART 7: VENTING, COMBUSTION AIR & CONDENSA TE REMOVAL (CONTINUED) 1. The exhaust vent and intake air vent pipes should be 2" or greater , Schedule 40 or 80. 2. The total combined equivalent length of exhaust vent and intake air pipe should not exceed 85 feet for 2" and 125' for 3". ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 42

    41 GAS -FIRED HEA TER Installation Manual P ART 7: VENTING, COMBUSTION AIR & CONDENSA TE REMOVAL (CONTINUED) 40 or 80 pipe. FOAM CORE PIPING IS NO T APPROVED . 3. Remove all burrs and debris from joints and fittings. 4. All joints must be properly cleaned, primed, and cemented. Use only cement and primer approved for use with the pipe material. ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 43

    42 GAS -FIRED HEA TER Installation Manual P ART 7: VENTING, COMBUSTION AIR & CONDENSA TE REMOVAL (CONTINUED) H. CONDENSA TE REMOV AL SYSTEM This is a condensing high efficiency appliance, therefore this unit has a condensate removal system. Condensate is nothing more than water vapor , derived from the combustion products, similar to an automob ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 44

    43 GAS -FIRED HEA TER Installation Manual BE FACING UP SIDEWALL VENT WITH INTAKE EXHAUST IMPORTANT: INTAKE LEG MUST EXTERIOR WALL CONCENTRIC VENT KIT FRONT VIEW SUPPORT BRACKETS MUST BE USED ON ALL HORIZONTAL AND VERTICAL PIPING MIN. 1" Fig. 7 - 1 1 2” sidewall vent with 2” concentric vent kit (KGA VT0501CVT) 12" MIN. TOP VIEW (TEE) I ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 45

    44 GAS -FIRED HEA TER Installation Manual 10'-0" MIN. WHICHEVER IS GREATER 12" OVER MAXIMUM SNOW LEVEL OR 24" RIGHT SIDE VIEW SUPPORT BRACKETS MUST BE USED ON ALL HORIZONTAL AND VERTICAL PIPING 24" MIN. INTAKE (TEE) EXHAUST (STRAIGHT COUPLING) Fig. 7 - 1 2 2" roof vent with tee (intake) & coupling (exhaust) 10&apos ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 46

    45 GAS -FIRED HEA TER Installation Manual A. GAS CONNECTION The gas sup- ply shall have a maximum inlet pressure of less than 14" water column (350 mm), ½ pound pres- sure (3.5 kP a), and a mini- mum of 3.5" water column. The entire pip- ing system, gas meter and regulator must be sized properly to prevent pressure drop greater than 0.5& ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 47

    46 GAS -FIRED HEA TER Installation Manual Contender . It is very important that the gas line is properly purged by the gas supplier or utility . Failure to properly purge the lines or improper line sizing, will result in ignition failure. This problem is especially noticeable in NEW LP installations and also in empty tank situations. This can also ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 48

    47 GAS -FIRED HEA TER Installation Manual P ART 9: FIELD WIRING A. INST ALLA TION MUST COMPL Y WITH: 1 . National Electrical Code and any other national, state, provincial or local codes or regulations. 2. In Canada, CSA C22.1 Canadian Electrical Code P art 1, and any local codes. B. FIELD WIRING F or you convenience we have located the electri- ca ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 49

    48 GAS -FIRED HEA TER Installation Manual P ART 9: FIELD WIRING (CONTINUED) Fig. 9-4 Fig. 9-3 Fig. 9-1 Fig. 9-2 ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 50

    49 GAS -FIRED HEA TER Installation Manual P ART 9: FIELD WIRING (CONTINUED) Fig. 9-5 ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 51

    50 GAS -FIRED HEA TER Installation Manual Outdoor Sensor Function The user can pro- gram the desired supply temperature based on the heat transmitter (Baseboard, Radiant Floor , Air Handler) that will be used in the installation. Once the outdoor sensor (Light Green Wires) is connected to the control board, the water tem- perature of the heater wil ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 52

    51 GAS -FIRED HEA TER Installation Manual P ART 11. ST ART-UP PREP ARA TION A. CHECK/CONTROL WA TER CHEMISTRY W ater pH between 6.0 and 8.0 1. Maintain heater water pH between 6.0 and 8.0. Check with litmus paper or have chemically analyzed by water treatment company . 2. If pH differs from above, consult local water treatment company for treatment ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 53

    52 GAS -FIRED HEA TER Installation Manual P ART 11. ST ART-UP PREP ARA TION (CONTINUED) 5. The system may have residual substances that could affect water chemistry . After the system has been filled and leak tested, verify water pH and chlorine concentrations are acceptable. D . PURGE AIR FROM WA TER SYSTEM 1. P urge air from system: a. Connect a ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 54

    53 GAS -FIRED HEA TER Installation Manual P ART 11. ST ART-UP PREP ARA TION (CONTINUED) G . CONDENSA TE REMOV AL 1. The Munchkin Contender is a high efficiency condensing heater , there, the unit has a condensation drain. Condensate is nothing more than water vapor , derived from combustion products, similar to an automobile when it is initially st ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 55

    54 GAS -FIRED HEA TER Installation Manual P ART 12. ST ART-UP PROCEDURE (CONTINUED) A. OPERA TING INSTRUCTIONS Remove Munchkin Contender Heater cover . If you smell gas, STOP . F ollow listed safety instructions. If you do not smell gas, follow the next steps. 1. T urn on all electric power to appliance. 2 . Adjust the temperature setpoint of the M ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 56

    55 GAS -FIRED HEA TER Installation Manual P ART 12. ST ART-UP PROCEDURE (CONTINUED) P ART 13: ST ART-UP PROCEDURES WITH THE VISION 1 OPTION Function V alue d4 — Not used d5 — Actual T emperature from the outdoor sensor . (Vision option.) d6 — Actual F an speed multiplied by 10 (Example: If fan speed displayed is |410| RPM x 10 = 4100 actual f ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 57

    56 GAS -FIRED HEA TER Installation Manual P ART 13: ST ART-UP PROCEDURES WITH THE VISION 1 OPTION (CONTINUED) the pass code is correct, you will need to press and hold the {S3/Program} for 1 second to confirm. If the pass code is entered incorrectly , the con- troller program function will be cancelled and the control returns to normal operation. I ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 58

    57 GAS -FIRED HEA TER Installation Manual P ART 13: ST ART-UP PROCEDURES WITH THE VISION 1 OPTION (CONTINUED) Default Function Function Value Description 14 30 Min. Allows the installer to set the Maximum run time for the Indirect Fired W ater Heater and the Minimum run time for Central Heating. Range 0 to 60 Minutes 15 0 Bus address (0=zone master ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 59

    58 GAS -FIRED HEA TER Installation Manual Fig. 13-3 P ART 13: ST ART-UP PROCEDURES WITH THE VISION 1 OPTION (CONTINUED) 50 32 41 167 158 149 131 122 113 104 77 59 68 86 95 212 203 194 185 176 201˚ SUPPLY OUTLET TEMPERATURE (F) -24 -59 -41 OUTSIDE TEMPERATURE (F) -9 9 27 63 45 81 99 FUNCTION 9 FUNCTION 11 FUNCTION 8 FUNCTION 10 0 68˚ 5˚ DEFAULT R ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 60

    59 GAS -FIRED HEA TER Installation Manual A. MUNCHKIN ERROR CODE An error code may occur in the installation of the Munchkin Contender . This condition may lead to a lock out condition of the controller , which will need to be manually reset through the S4/Reset button. These temporary codes will help the installer correct the problem before going ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 61

    60 GAS -FIRED HEA TER Installation Manual P ART 14: TROUBLESHOOTING (CONTINUED) T able 14-2: 925 Control Board F AUL T Codes Code Description Remedy  F00 High Limit Exceeded. 1. Check circulation pump operation 2. Assure that there is adequate flow through the heater by accessing the status menu and assuring that there is less than a 50°F rise ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 62

    61 GAS -FIRED HEA TER Installation Manual P ART 15: MAINTENANCE A. MAINTENANCE PROCEDURES P eriodic maintenance should be performed once a year by a qualified service technician to assure that all the equipment is in safe efficient operation. The owner can make necessary arrangements with a qualified heating contrac- tor for periodic maintenance of ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 63

    62 GAS -FIRED HEA TER Installation Manual B. COMBUSTION CHAMBER COIL CLEANING INSTRUCTIONS *Before beginning this procedure, you must have on hand the following items: – a nylon, stainless or brass brush (not steel) – “Rydlyme” (recommended for best results) (available on line www .rydlyme.com) or “CLR” (available at most hardware store ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 64

    63 GAS -FIRED HEA TER Installation Manual P ART 15: MAINTENANCE (CONTINUED) REPLACEMENT PARTS Item # Description Part # Item # Description Part # 1 Composite Module 7500P-010 (MC50) 14 Gasket (Air Channel to Combustion Blower) 7500P-075 7500P-012 (MC80) 15 Combustion Blower (w/Screws) 7500P-031 7500P-014 (MC99/MC120) 16 Screws M5 x 14MM (Combustion ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 65

    64 GAS -FIRED HEA TER Installation Manual REPLACEMENT PARTS Item # Description Part # 1 Concentric Flue Outlet (w/Gasket) 7500P-025 2 Gasket (Concentric Flue Outlet) 7500P-008 3 PVC Pipe (2" Sch. 40 - 12" Long) 7500P-097 4 Flue Adapter 7500P-007 5 Flue ECO 7500P-002 6 O-Ring (S.S. Barbed Fitting) 7250P-152 7 S.S. Barbed Fitting 7250P-154 ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 66

    65 GAS -FIRED HEA TER Installation Manual P ART 15: MAINTENANCE (CONTINUED) REPLACEMENT PARTS Item # Description Part # Item # Description Part # 1 Cover Filler Plate(w/Screws) 7500P-044 (MC50/MC80) 12 Condensate Hose (clear) 7500P-057 7500P-032 (MC99/MC120) 13 Screws 8-32x3/8 (Filler/Gas Inlet Plate) 7500P-047 2 Blocked Vent Pressure Switch 7250P- ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 67

    66 GAS -FIRED HEA TER Installation Manual Light Off Activities 1) Fill the heating system Check all piping and gas connections, verify they are all tight Pressurize System (12-15 PSI) _____PSI Add Water to prime condensate cup What percentage of propylene glycol is installed in the system (0-50%) ____% Verify near heater piping is properly supporte ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 68

    67 GAS -FIRED HEA TER Installation Manual Inspection Activities Piping 1st Year 2nd Year 3rd Year 4th Year* Near Heater Piping Check heater and system piping for any sign of leakage, verify proper support Vent Check condition of all vent pipe and joints Gas Check gas piping, test for gas leaks and signs of aging, make sure all pipes are supported p ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 69

    68 GAS -FIRED HEA TER Installation Manual Condensate 1st Year 2 Year 3 Year 4 Year* Condensate Neutralizer Check condensate neutralizer, replace if necessary Condensate Cup Disconnect condensate cup, clean out dirt, fill with water to level of outlet and re-install ( Note: you must verify the flow of condensate, making sure that the cup is connecte ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 70

    69 MAINTENANCE NOTES ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 71

    70 MAINTENANCE NOTES ...

  • Munchkin Gas-Fired Hot Water Circulating Heater - page 72

    © 2007, 2006 Heat T ransfer P roducts, Inc. LP -171 REV . 3 / 20/07 ...

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- information booklets
- or energy labels Munchkin Gas-Fired Hot Water Circulating Heater
All of them are important, but the most important information from the point of view of use of the device are in the user manual Munchkin Gas-Fired Hot Water Circulating Heater.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Munchkin Gas-Fired Hot Water Circulating Heater, service manual, brief instructions and user manuals Munchkin Gas-Fired Hot Water Circulating Heater. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Munchkin Gas-Fired Hot Water Circulating Heater.

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A complete manual for the device Munchkin Gas-Fired Hot Water Circulating Heater, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Munchkin Gas-Fired Hot Water Circulating Heater by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Munchkin Gas-Fired Hot Water Circulating Heater.

A complete Munchkin manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Munchkin Gas-Fired Hot Water Circulating Heater - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Munchkin Gas-Fired Hot Water Circulating Heater, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Munchkin Gas-Fired Hot Water Circulating Heater, that we can find in the current document
3. Tips how to use the basic functions of the device Munchkin Gas-Fired Hot Water Circulating Heater - which should help us in our first steps of using Munchkin Gas-Fired Hot Water Circulating Heater
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Munchkin Gas-Fired Hot Water Circulating Heater
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Munchkin Gas-Fired Hot Water Circulating Heater in a specific country, if it was not possible to solve the problem on our own.

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