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200233-01B

INSTALLATION

6. Replace heater onto mounting bracket.
7. Place spacers between bottom mounting

holes and wall anchor or drilled hole.

8. Hold spacer in place with one hand. With

other hand, insert mounting screw though

bottom mounting hole and spacer. Place

tip of screw in opening of wall anchor or

drilled hole.

CONNECTING TO GAS SUPPLY

WARNING: A qualified ser-

vice technician must connect

heater to gas supply. Follow all

local codes.

WARNING: This appliance

requires a 3/8" NPT (National

Pipe Thread) inlet connection to

the pressure regulator.

WARNING: For natural gas,

Never connect heater to private

(non-utility) gas wells. This gas is

commonly known as wellhead gas.

WARNING: Do not over-

tighten gas connections.

CAUTION: Use only new, black

iron or steel pipe. Internally tinned

copper tubing may be used in

certain areas. Check your local

codes. Use pipe of 1/2" diameter

or greater to allow proper gas vol-

ume to heater. If pipe is too small,

undue loss of pressure will occur.

CAUTION: For natural gas,

check your gas line pressure

before connecting heater to gas

line. Gas line pressure must be

no greater than 9.5" of water. If

gas line pressure is higher, heater

regulator damage could occur.

CAUTION: For propane/

LP gas, Never connect heater

directly to the gas supply. This

heater requires an external regu-

lator (not supplied). Install the

external regulator between the

heater and gas supply.

CAUTION: Avoid damage to

regulator. Hold gas regulator

with wrench when connecting

into gas piping and/or fittings.

CAUTION: Use pipe joint

sealant that is resistant to gas

(Propane/LP or Natural Gas).

Before installing heater, make sure you have

the items listed below:
• piping (check local codes)
• sealant (resistant to natural gas and pro-

pane/LP gas)

•  equipment shutoff valve*
•  test gauge connection*
•  sediment trap
•  tee joint
•  pipe wrench
•  flexible gas hose (check local codes)
•  3/8" NPT brass fitting
* A  CSA  design-certified  equipment  shutoff

valve with 1/8" NPT tap is an acceptable al-

ternative to test gauge connection. Purchase

the optional CSA design certified equipment

shutoff valve from your dealer.

9. Tighten both screws until heater is firmly

secured to wall. Do not over tighten.

Note: Do not replace front panel at this time.

Replace front panel after making gas connec-

tions and checking for leaks.

Содержание MNSD300HGA

Страница 1: ...oss of life Do not store or use gasoline or other flammable va pors 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 ca...

Страница 2: ...y for use with propane or natural gas Field conversion by any other means including the use of a kit is not permitted Aftermarket Completion of sale not for purpose of resale from the manufacturer SAVE THIS BOOK TABLE OF CONTENTS Safety 3 Specifications 4 Qualified Installing Agency 5 Product Features 5 Local Codes 5 Air For Combustion and Ventilation 6 Product Identification 6 Unpacking 6 Water V...

Страница 3: ...ETY IMPORTANT Read this owner s manualcarefullyandcompletely before trying to assemble op erate or service this heater Improper use of this heater can cause serious injury or death from burns fire explosion electrical shock and carbon monoxide poisoning Onlyaqualifiedinstaller service agent or local gas supplier may install and service this product WARNING Keep the appli ance area clear and free f...

Страница 4: ...ter with control knob at PILOT IGN LOW 1 or HIGH 5 locked positions Never set control knob between locked positions Poor combustion and higher levels of carbon monoxide may result 9 Do not use heater if any part has been under water Immediately call a qualified service technician to inspect the room heater and to replace any part of the control system and any gas control which has been under water...

Страница 5: ...r connect ing to Propane LP The heater can easily be changed to Natural gas by having your quali fied installer follow the instructions on page 8 and the markings on the heater THERMOSTATIC CONTROL Thermostat Models Only These heaters have a control valve with a thermostat sensing bulb This results in the greatest heater comfort and may result in lower gas bills LOCAL CODES Install and use heater ...

Страница 6: ...osphere experienced during cold weather The following steps will help ensure that water vapor does not become a problem 1 Be sure the heater is sized properly for the application including ample combustion air and circulation air 2 If high humidity is experienced a dehu midifier may be used to help lower the water vapor content of the air 3 Do not use an unvented room heater as the primary heat so...

Страница 7: ...he two spaces see options 1 and 2 Figure 2 You can also remove door into adjoining room see option 3 Figure 2 Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 Air for Combustion and Ventilation for required size of ventilation grills or ducts Outlet Air Ventilated Attic Outlet Air Inlet Air Inlet Air Ventilated Crawl Space To Crawl Space To Attic Figure 2 Ventilation Air from Inside Building ...

Страница 8: ...r drafty areas CAUTION Thisheatercreates warmaircurrents Thesecurrents move heat to wall surfaces next to heater Installing heater next to vinyl or cloth wall coverings or operatingheaterwhereimpurities suchastobaccosmoke aromatic candles cleaning fluids oil or kerosene lamps etc in the air exist maycausewallstodiscolor IMPORTANT Vent free heaters add moisture to theair Althoughthisisbeneficial in...

Страница 9: ...Cover Figure 5 Gas Regulator Insert Gas Fitting for Natural Gas Insert Gas Fitting for Propane LP Gas Blue Dust Cover DO NOT REMOVE Blue Propane LP Plunger Install Gas Fitting Here FOR PROPANE LP GAS INSTALLATION BLUE 1 Remove blue dust cover NG LPG INLET GAS PRESSURE MAX 1 2 PSIG 3 5 KPA Gas Connection 2 Apply thread sealant to the threads on a 3 8 NPT brass connection fitting While pushing in ro...

Страница 10: ...DO NOT REMOVE Yellow Natural Gas Plunger Install Gas Fitting Here 2 Remove the metal cap installed over the NG regulator inlet 3 Install metal cap over LP Propane regulator inlet This will keep debris out of regulator Useonlythecapsuppliedonthe regulator Do not use an off the shelfpipeplug Thiscandamage theplunger Thesuppliedregula tor cap is designed so it will not engage the unused gas type 4 Ap...

Страница 11: ...l WARNING Maintain mini mum clearances shown in Figure 6 If you can provide greater clearances from floor and joining wall 2 Mark screw locations on wall see Fig ure 9 Note Mark only last hole on each end of mounting bracket Insert mounting screws through these holes only 3 Remove tape and mounting bracket from wall Mounting Bracket LOCATING HEATER This heater is designed to be mounted on a wall F...

Страница 12: ...le on each end of bracket with holes drilled in wall 3 Insert mounting screws through bracket and into wall studs 4 Tighten screws until mounting bracket is firmly fastened to wall studs Attaching to Wall Anchor Method For attaching mounting bracket to hollow walls wall areas between studs or solid walls concrete or masonry 1 Drill holes at marked locations using 5 16 drill bit For solid walls con...

Страница 13: ...ore connecting heater to gas line Gas line pressure must be no greater than 9 5 of water If gaslinepressureishigher heater regulator damage could occur CAUTION For propane LP gas Never connect heater directly to the gas supply This heaterrequiresanexternalregu lator not supplied Install the external regulator between the heater and gas supply CAUTION Avoid damage to regulator Hold gas regulator wi...

Страница 14: ...nd Joint Union 3 8 NPT Pipe Nipple Tee Joint Reducer Bushing to 1 8 NPT 1 8 NPT Plug Tap Test Gauge Connection Sediment Trap Tee Joint Pipe Nipple Gap 3 Miniumum For propane LP gas the installer must supply an external regulator The external regulator will reduce incoming gas pressure You must reduce incoming gas pressure to between 11 and 14 of water If you do not reduce incom ing gas pressure he...

Страница 15: ... soap and water to gas joints If bubbles form there may be a leak 5 Correct all leaks at once 6 Reconnect heater and equipment shutoff valve to gas supply Check reconnected fittings for leaks Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa 1 Close equipment shutoff valve see Fig ure 16 2 Pressurize supply piping system by either using compressed air or opening natural supply tank valve 3 Che...

Страница 16: ...o clear out any air Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information above If you do not smell gas go to the next step 5 Turn control knob counterclockwise to the PILOT position Press in control knob for five 5 seconds see Figure 19 Note The first time that the heater is oper ated after connecting the gas supply the control knob should be pressed...

Страница 17: ...nob pressed in push down and release the ignitor button This will light pilot If needed keep pressing ignitor button until pilot lights 7 Keep control knob pressed in for 10 sec onds after lighting pilot After 10 seconds release control knob If control knob does not pop up when released contact a quali fied service technician or gas supplier for repairs If pilot goes out repeat steps 5 6 and 7 8 T...

Страница 18: ... need for cleaning see Care and Maintenance page 19 or service WARNING Only a qualified service person should service and repair heater This includes maintenance requiring replacement or alteration of components PILOT FLAME PATTERN Figure 22 Correct Pilot Flame Pattern Figure 23 Incorrect Pilot Flame Pattern Figure 22 shows a correct pilot flame pattern Figure 23 shows an incorrect pilot flame pat...

Страница 19: ... flame pattern is incorrect as shown in Figure 25 turn heater off see To Turn Off Gas to Ap pliance page 17 or 18 see Troubleshooting pages 20 through 24 CARE AND MAINTENANCE WARNING Turn off heater and let cool before servicing Only a qualified service person should service and repair heater CAUTION You must keep control areas burner and circulating airpassagewaysofheaterclean Inspecttheseareasof...

Страница 20: ...lot flame indicates dust and dirt in the pilot assembly There is a small pilot air inlet about 2 from where the pilot flame comes out of the pilot assembly see Figure 26 With the unit off lightly blow air through the air inlet You may blow through a drinking straw if compressed air is not available Exterior Use a soft cloth dampened with a mild soap and water mixture Wipe the cabinet to remove dus...

Страница 21: ...rn the set screw counterclockwise 2 turns This will bypass the pressure switch function Problem Possible Cause Corrective Action Using natural gas and pilot will not light Inlet pressure exceeds 9 5 WC Bypass pressure switch See instructions below The entire gas delivery piping including con nections inside the heater should be leak tested by the qualified installer After leak testing the qualifie...

Страница 22: ... 3 Equipment shutoff valve is not fully open 4 Thermocouple connection is loose at control valve 5 Pilot flame not touching thermocouple which allows thermocouple to cool caus ing pilot flame to go out This problem could be caused by one or both of the following A Low gas pressure B Dirty or partially clogged ODS pilot 6 Thermocouple damaged 7 Control valve damaged 1 Press in control knob fully 2 ...

Страница 23: ...esidues from manufactur ing process 1 Problem will stop after a few hours of operation Heater produces a whis tling noise when burner is lit 1 Turning control knob to high 5 position when burner is cold 2 Air in gas line 3 Air passageways on heater are blocked 4 Dirty or partially clogged burner orifice 1 Turn control knob to low 1 position and let warm up for a minute 2 Operate burner until air i...

Страница 24: ...enance page 19 Gas odor exists even when control knob is in OFF position 1 Gas leak See Warning Statement on page 20 2 Control valve is defective 1 Locate and correct all leaks see Checking Gas Connec tions page 15 2 Contact customer service Moisture condensation noticed on windows 1 Not enough combustion ventilation air 1 Refer to Air for Combus tion and Ventilation require ments page 6 SERVICE H...

Страница 25: ...ies contact ProCom Heating Inc for information EQUIPMENT SHUTOFF VALVE For all models Equipment shutoff valve with 1 8 NPT tap OPTIONAL FAN KIT Optional fan kit part PF06 YJLF B The fan has 3 settings ON OFF Auto Please refer to PF06 YJLF B instructions Model and serial number of your heater How heater was malfunctioning Type of gas used Propane LP or Natural gas NG Purchase date Usually we will a...

Страница 26: ...www usaprocom com 200233 01B 26 PARTS MODEL MNSD300HGA 15 1 2 3 4 5 6 7 8 16 13 11 12 9 10 14 17 ...

Страница 27: ...Glass Retainer 1 4 ML086 01 Glass 1 5 ML088 01 Lower Glass Retainer 1 6 Middle Panel 1 7 MB09051 BZ Lower Front Panel Assembly 1 8 ML057 07 Grill Guard 1 9 Pressure Regulator Assembly 1 10 NV2020 1223B Control Valve 1 11 161139 02 ODS Pilot 1 12 Burner Assembly 1 13 161133 01 Ignitor 1 14 ML031 03 Control Knob 1 15 161562 01 Mounting Bracket 1 16 ODS Deflector 1 17 ML073 01 Ignitor Cable 1 ML073 0...

Страница 28: ...www usaprocom com 200233 01B 28 PARTS MODEL MNSD300TGA 16 1 2 3 4 5 6 7 8 13 14 15 12 9 17 11 10 ...

Страница 29: ... ML086 01 Glass 1 5 ML088 01 Lower Glass Retainer 1 6 Middle Panel 1 7 MB09051 BZ Lower Front Panel Assembly 1 8 ML057 07 Grill Guard 1 9 Pressure Regulator Assembly 1 10 ML073 01 Ignitor Cable 1 ML073 05 Ignitor Cable 1 11 161139 01 ODS Pilot 1 12 Burner Assembly 1 13 161133 01 Ignitor 1 14 161130 01 Thermostat Valve Assembly 1 15 Bracket 1 16 161562 01 Mounting Bracket 1 17 ODS Deflector 1 PARTS...

Страница 30: ...______________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ____________________________________________________...

Страница 31: ...______________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ____________________________________________________...

Страница 32: ... accordance with all local codes and instructions furnished with the unit or the warranty is voided WHAT IS NOT COVERED This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damaged as a result of misuse accidents lack of proper maintenance or defects caused by improper installation Travel diagnostic cost labor transpo...

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