Winchester DGH 45 Installation Guide
Contents
1. 4 Horizontal vents shall terminate with a listed L type vent cap This cap shall maintain a 12 in 3cm clearance from side of wall see Figures 4 5 and 6 on page 5 5 If condensation should occur the venting system shall not terminate over public walkways or over areas where condensation or vapor will become a nuisance or hazard or detrimental to operation of regulators relief openings or other equipment 6 This vent system must not be used for the purposes of venting other units 7 On horizontal venting applications always maintain a 1 4in 6cm per foot 2 54cm rise away from the unit Include a drain tee and cleanout near the vent connection See Figures 4 and 5 Where local authorities have jurisdiction a 1 4 in 6cm per foot 2 54cm downward slope away from the heater is acceptable Figure 6 allows for condensation to drain out the end by the vent cap 8 Support the venting flue system by screw ing three 3 sheet metal screws into each pipe connection and then supporting at maximum intervals of 4ft 1 2m to prevent sagging in Canada support every 3ft 1 0m minimum intervals 9 Figure 4 shows how to vent piping through a combustible wall with either a thimble or type B 0 vent Check with local authorities having jurisdiction for the proper procedure CLEARANCES Unit heaters for commercial and industrial installation shall have a minimum clearance of 7 ft 2 1m from bottom of t2. 5 Do check gas inlet supply pressure immediately upstream of combination control The inlet supply pressure should measure 6 7 w c 1 5 1 7 kPa for natural gas or 12 14 w c 3 3 5 kPa on LP gas 6 Do vent unit s to the outside 8 9 10 11 12 13 Do maintain a rear clearance of 18 45 7cm or 6 15 2cm beyond motor at rear of uni whichever is greater and access side provide ample air for combustion and fan operation Do maintain minimum clearances from combustible material based on a 160 F 70 C surface temperature Do consult piping electrical and venting sections in this manual before finalizing installation Do keep all literature with this unit heater Do not install in potentially explosive or flammable atmosphere laden with rain dust sawdust or other air borne materials Do not install heaters where there is high humidity or salt water atmospheres This will cause corrosion resulting in reduction of the normal life of heater Do not locate in areas where there is a high concentration of chlorinated halo generated or acid vapors in the atmos phere this will reduce heat exchangers life 14 Do not install in tightly sealed rooms or small compartments confined spaces without provisions for adequate com bustion air and venting 15 Do not install heater outdoors 16 Do not install heater closer to any combustible materials than what the heater was tested an
3. DIMENSIONS inches cm MODELS 30 45 60 15 PB 1222 81 122 81 18 457 18 45 7_ D 149 878 149 378 149 378 149 978 1 28 714 28 711 31 787 31 787 Wt lb kg MAINTENANCE amp SERVICE SERVICING OR REPAIRING THIS EQUIPMENT MUST BE DONE BY A QUALIFIED TECHNICIAN Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and replace any gas control which has been under water Should overheating occur or the gas valve supply fail to shut off shut off the manual gas valve to the appliance before shutting off the electrical supply Prior to any maintenance or cleaning to the unit make sure that the gas and electrical supply is turned off THE UNIT AND VENTING SYSTEM MUST BE INSPECTED AT LEAST ONCE PER YEAR BEFORE THE HEATING SEASON BEGINS To clean the outside of the appliance use a soft cloth and soap solution Never use an abrasive to clean any surfaces 16 MAINTENANCE 10 11 12 Remove the access panel Close manual gas valve and disconnect the union on the gas line Disconnect wires from the gas valve along the with the ignition wires from S1 and S2 on the module Remove the screws that attach the burner tray assembly from the vestibule panel The entire assembly comes out as one piece Carefully clean the burners with a small wire brush and vacuum While assembly is out che
4. 1 2 psi 3 5 kPa Close the manual shut off valve to the unit during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psi 3 5 kPa SAFETY DEVICES 1 Limit Control This control is located in the access compart ment and the element is located in the air stream by the tube heat exchanger This control will shut off the gas to the burners should over heating result The limit control will function if the wall thermostat or some other component s malfunction Once this limit cools it will reset automatically and allow the heater to re try for ignition If the same problem should occur immediately shut the gas supply and electricity off Call a qualified technician immediately for service 2 Rollout Switches The switches are located on the bottom burner panel If for some reason flames rollout during an ignition cycle and touch these switches the gas flow will be shut off When cooled the switches must be manually reset by pushing in on the push button located on the top of each switch 17 ADDENDUM SAFETY DEVICES Continued 3 Pressure Switch This is a normally open type switch which monitors the venting system When the inducer motor speeds up to produce enough vacuum in the venting system the contacts in the pressure switch close to complete the circuit to the ignition system If for some reason the inducer motor fails to operate or should the venting system beco
5. IMPLIED WARRANTIES OF MERCHANTABILITY AND OF FITNESS FOR A PARTICULAR PURPOSE No person is authorized to assume for Adams any other warranty obligation or liability Unit Model Number Serial Number Homeowner to log model serial numbers found on the unit rating plate located inside heater on the panel in front of burners for easy reference
6. 2 Type L vent caps may be used b All commercial and industrial horizon tally vented heaters may use either certified category Ill venting system or single wall galvanized or stainless steel vent Should unrecognized single wall be used all joints must be sealed with metallic tape or a silicone suitable for temperatures above 400 F 202 C Tape must be wrapped at least 2 times around the vent pipe Insulate single wall vent pipe exposed to cold air or running through unvented areas 3 in 7 62cm vent caps may be used in this application Residential Minimum vent length is 3 ft 1 0m and maximum vent length is 8 ft 2 4m of 4 in 10 2cm vent pipe A 3 in 7 6cm to 4 in 10 2cm bell increaser will be required and 4 in 10 2cm vent cap Commercial Industrial Minimum vent length is 5 ft 1 5m and the maximum vent length is 30 ft 9 1m Each 3 in 7 6cm elbow is approximately equal to 1 ft 34m 3 Venting system shall terminate a minimum of 3 ft 9m above any forced system located within 10 ft 8 1m and a minimum of 4 ft 1 2m horizontally from or 1 ft 34m above any door window electric or gas meters regulators or gravity air inlet into any building The bottom of the vent terminal shall be located a minimum of 1ft 34m above grade or above the snow line or whichever is the greater The venting system shall terminate not less than 7ft 2 1m above grade adjacent to public walkways
7. DGH 06102010 hi Hamilton Home Products Inc 1 800 879 0123 Installation and Maintenance Instructions U for Commercial and Residential Use ct YL Jus Gas Fired Unit Heaters DGH 30 75 LISTED FOR YOUR SAFET CAUTION WHAT TO DO IF YOU SMELL GAS Open windows To prevent premature heat exchanger failure Do not try to light any appliance do not located ANY gas fired units in areas Do not touch any electrical switch where chlorinated halogenated or acid do not use any phone in your vapors are present in the atmosphere building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas WARNING supplier call your fire department Improper installation adjustment alteration service or maintenance can cause property damage injury or death and could cause FOR YOUR SAFET exposure to substances which have been determined by various state agencies to cause cancer birth defects or other reproductive Do not store or use gasoline or other harm flammable vapors and liquids in the vicinity of this or any other appliances WARNING All installation and service for this series of heaters MUST be performed by a qualified Improper installation adjustment alteration service agency or technician service or maintenance can cause injury or property damage Refer to this manual For assistance or additional information consult a qualified installer s
8. ECIFIC GRAVITY CONVERSION FACTORS Multiply factors to be used with Table 4 when the specific gravity of gas is other than 0 60 Natural Gas LP Propane Gas Specific Specific Gravity Factor Gravity Factor _060 100 153 062 0 65 Follow these two 2 methods for input adjustment Method A Meter Timing To check a heaters input rate observe the gas meter making sure all other appliances are turned off The test hand on the meter should be timed for at least one 1 revolution Note the number of seconds for one 1 revolution Use this formula to obtain the BTU Hr input rate BTU Hr Ft rev No sec rev x 3600 x Heating Value Your local utility or gas supplier can give you the heating value needed However the following representative values may be used GAS BIU FT Natural 1000 1150 LPG Propane 2500 Also you may use Table 5 meter timings based on different size meters Table 5 Meter timing Gas Timing required for one revolution is charted for various size meter dials and various rate of gas input in cu ft per hour lf the regulator needs adjustment the regulator adjusting screw may be turned clockwise to increase the pressure or counterclockwise to decrease the manifold pressure by more than or less than 0 3 w c 8 kPa Method B Pressure Method This method determines the input rate by measuring the gas pressure in the manifold in inches water column Proceed as fol
9. NS 1 STOP Read the safety information above 2 Set thermostat to lowest setting 3 Turn off all electric power to the appliance 4 This appliance is equipped with an ignition devise which automatically lights the burner Do not try to light the burner by hand 5 Remove the access panel 6 Push in ON control lever Lever will spring to the OFF postion 7 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B above If you don t smell gas go to the next step 8 Move gas lever counter clockwise to the ON position 9 Replace Control access panel 10 Turn on all electric power to the appliance 11 Set Thermostat to the desired setting 12 If the appliance will not operate follow the instructions To Turn Off Gas to Appliance and call your service technician or gas supplier TO TURN OFF GAS TO APPLIANCE 1 Set thermostat to lowest setting 2 Turn manual shut off valve located ouside of the unit to the closed position 3 Turn off all electric power to the appliance if service is to be performed 4 Remove access panel 5 Push in on control lever Lever will spring to the OFF position 6 Replace the access panel OPERATING SEQUENCE Upon call from thermostat power is supplied to the exhaust and circulating motors As the exhaust motor speeds up the pressure switch cicuit closes allowing the hot surface ignitor to bec
10. ady ON Steady OFF 1 Flash 2 Flash 3 Flash Flame Sensed out of Sequence Ignition Trail Lockout Pressure Switch TROUBLESHOOTING INFORMATION There are a few basic troubleshooting items that you may perform if for some reason the heater does not operate All other troubleshooting MUST BE DONE BY A QUALIFIED TECHNICIAN A If the heater does not light 1 Make sure the thermostat is set above the room temperature 2 Make sure there is power to the heater 3 Make sure the main gas supply is on at the manual shut off valve 4 If none of the above solve the problem con tact a qualified technician B Air feels cold coming out of the heater 1 Make sure burner is lit 2 If the room was cold to begin with it will take a while for the air coming out of the heater to feel warm 3 If the air coming out of the heater continues to feel cold after 5 minutes and the room is not warming up contact a qualified technician SERVICING AND REPAIR If a qualified service person cannot solve the problem consult your local gas company or the manufacturer When servicing repairing or replacing parts on the unit always give the complete Model and Serial numbers from the unit rating plate located inside the unit on the panel in front of the burners 18 Field Supplied Gas Pipe 15 amp 16 24 Hidden WINCHESTER Garage Heater Parts Listing Ref Description DGH 30 DGH 45 DGH 60 DGH 75 Casing Wrapper 6 Springs
11. as electric and flue connections are needed to put heater into operation The unit heater is certified by the Canadian Standard Association in accordance with the American National Standard Canadian Gas Association Standard for Gas Unit Heaters and Gas Fired Duct Furnaces ANSI Z83 8 CGA 2 6 and Z83 8a CGA 2 6a for use with natural or LP gases and IAS U S Requirement No 10 96 for Unit Heaters For Residential Use WARNINGS Should over heating occur or the gas supply fail to shutoff shutoff the manual gas valve to the appliance before shutting off the electrical supply When replacing an existing heater it may be necessary to re size the venting system Improperly sized venting system can result in vent gas leakage or conden sation formation Refer to the National Fuel Gas Code ANSI 2223 1 or CAN CGA B 149 1 or 2 latest edition Failure to follow these instructions may result in serious injury or death This unit heater comes equipped with a power exhaust system Failure to follow these instructions may result in possible serious injury or even death PRECAUTIONS 1 Read and keep these instructions for safe efficient and trouble free operation 2 Do disconnect electrical power supply before making any wiring connections Unit must be wired per the wiring diagram furnished with this heater 3 Do turn off all gas before installing unit heater s 4 Do make sure that gas pressure never exceeds 14 w c 3 5 kPa
12. ating of at least 105 C Install the thermostat according to directions Length Diameter of Pipe inches cm furnished The thermostat should be located on n an inside wall about 5 ft 1 5 m above floor level M 76 218 440 750 73 15 4 6 30 9 1 45 15 7 60 18 3 75 22 9 90 27 PLEASE NOTE The unit has a grounded plug which MUST be connected to an outlet and breaker which are grounded Also the outlet must have the proper polarity If there is a poor ground or the polarity is reversed the burners will light for only a few seconds and go out To correct simply shut power off at the breaker and verify solid ground and or reverse the HOT Black Wire and Neutral White Wire on the terminals of the the outlet Turn power on at the breaker and cycle unit to verify proper 600 183 operation In Cu Ft per Hour with Pressure Drop of 0 3 in W C 1kPa with Specific Gravity of 0 60 FIGURE 8 DGH WIRING DIAGRAM 5 FAN HOT F1 L lt 7 H oo 10 ING S1 2 FANS _ BK 3 TRANS L1 Cl l Sl EN I 11 120 V L2 MOD DH21260S PROPER POLARITY IS REQUIRED BEFORE OPERATING UNIT HEATER Follow these on site pre operational procedures before putting unit heater into operation 1 Turn off power supply 2 Check all clearances 3 Make sure fan is not contacting casing when blade is spun by hand 4 Check to make sure deflector blades are at a 30 mini
13. brackets with the holes along the front and back top edges Secure 1 mounting bracket to front of the appliance with the retained screw Secure the other mounting bracket to the back side in the same way that the front one was done To suspend the heater fasten the mounting brackets to the ceiling joist or truss using 1 4 6cm screws lag bolts with 1 2 1 3cm washers The mounting brackets are slotted to accommodate joists on 16 24 in 4 9 7 3m centers This heater may also be hung using same mounting brackets along with threaded rods Attach threaded rod to the heater mounting brackets fastening with a top and bottom nut Next drill holes into a steel channel or angle tron at the same centerline dimensions chosen for the heater being installed The steel channels or angle iron pieces must span and then be fastened to the appropriate structural members Cut the rods to the desired length push through holes that were made before and secure with washers and lock nuts lock washers and nuts or a double nut arrangement similarity used on the unit heater mounting brackets This heater also can be installed on a shelf The mounting brackets need to be attached as previously indicated However for shelf mounting the brackets will have to be secured to the bottom of the unit using 1 4 6cm screws lag bolts with 1 2 1 3cm washers as overhead joist or truss mounting Be sure all clearances to combustible materials a
14. ce s These unit heaters are not recommended for installation in residential confined spaces This is due to the fact at some point in time these air openings may become blocked or eliminated by the owner The National Fuel Gas Code ANSI 2223 1 or CAN CGA B149 1 or 2 the most current must be strictly adhered to for providing adequate combustion air These unit heaters may be installed in confined spaces for commercial industrial installation as long as these are two permanent openings located one at the top and one at the bottom Each opening shall have a free area not less than one square inch 6 4cm per 1 000 Btu Hr of total input rating of all units in the confined space and communicating with interior areas having adequate infiltration from the outside WARNING Combustion air openings must at all times be kept free of obstructions Any obstructions will Cause improper burner operation and may result in a fire hazard or carbon monoxide injury VENTING Venting installations shall be in accordance with Part 7 Venting of Equipment of the National Fuel Gas Code ANSI Z223 1 and applicable provisions of CAN CGA B149 Installation Codes latest editions and any applicable provisions of local building codes This unit heater series is equipped with power exhaust system Do not use any additional power exhaust systems or vent dampers If any are used or failure to follow the instructions provided may result
15. ck the orifices to make there is no blockage Check each tube type heat exchanger for dirt or cracking If dirty clean with a wire brush and vacuum lf any cracks are seen replace the heat exchanger assembly Re assemble burner tray assembly and gas piping Make sure piping is tight Check all wiring for loose connections or cracks in the insulation Also check to make sure the rubber tube connected to the pressure switch has not dried out and cracked Replace as necessary Re connect wiring to the gas valve and to the terminals S1 and S2 on the module Check circulating blower assembly to make sure that there is no damage to the fan blade and that the blade is secured to the motor shaft Power exhaust assembly the motor used is permanently lubricated If this assembly needs cleaning blow out the cooling air passages of the motor with compressed air 13 Turn gas and electricity back on and set the thermostat high enough to cycle the unit to go through a complete cycle to ensure proper operation and that there is no gas leakage 14 Replace access panel and set the thermostat at the desired setting 15 Replace any worn or broken components and wiring as necessary to ensure trouble free operation 16 The heater and its gas valve must be disconnected from the gas supply piping and the supply line must be plugged prior to conducting any pressure leak testing of that system at test pressures in excess of
16. d listed 17 Do not block air intake and discharge of the unit heater 18 Do not attach duck work air filters or plastic vent pipe to this unit heater 19 Do not install below 7 ft 2 1m measured from bottom of heater to the floor in commercial applications and 5 ft 1 5m for residential applications 20 Do not use this appliance if it has been under water Immediately call a qualified service technician to inspect the appliance and replace any damage equipment that has been under water LOCATION In locating units consideration should be given to the space heating requirements availability of gas and proximity to vent location The direction of the air stream should be pointed toward the area of greatest heat loss Multiple units should be located so that the air streams set up a circulatory movement within the area being heated Adjustable louvers are factory installed on front of the heater Do not install unit heater s in a confined Space with out providing wall openings to and from this space Mounting height at which heaters are to be installed is critical The critical height is from floor to the bottom of the unit s where heater will not deliver the required amount of heated air to the floor Unit heaters installed in Aircraft Hangers Parking Structures and Repair Garages as applicable must be installed in accordance with the Standard on Aircraft Hangers ANS NFPA 409 the Standard for Parking Structur
17. e Wall Vent Pipe double wall pipe and through single wall Pee ad Ten pipe Using 3 4 1 9cm long sheet metal screws attache the pipes Do not over tighten Flashing Flashing x c Seal the annular opening by running a i Listed Genre openi large bead of 350 F 175 C silicone The GAP between single wall and double wall pipe shall be sealed It is not necess sary to fill the full volume of the annular area Figure 4 Horizontal Venting With Upward Pitch 6 Above snow grade Figure 5 Downward Pitch with Drip Leg Listed Thimble 14 Slope down towards termination e om Figure 6 Downward Pitch Condensation Drips Out End E Listed Thimble Ws Slope down towards termination a 3 Min Clean out drip leg C Requirements For Horizontal Venting 1 Horizontally Vented heaters perform as Category IIl Appliances This type of venting system follows special venting criteria a All residential horizontal installed heaters shall be vented with either 4 in 10 2cm B 0 double wall vent pipe 3 in 7 2cm AL29 4C stainless steel or and agency certified category Ill venting system Certified category Ill systems can be pur chased from your vent pipe distributor Be sure to follow the manufactures installa tion instructions for the category Ill vent The minimum vent length for this system is 3 ft 1 0m and the maximum length is 8 ft 2 4m A Gary Steel 1092 or Breident A109
18. e can be attached with 3 non corrosive screws 8 Should the venting system need to be revis ed it must conform with the National Fuel Vent pipe used shall be no smaller than 3 Gas Code ANSI 2223 1 or CAN CGA B149 inches 7 6cm Check National Fuel Gas Installation Codes latest edition Should the Code for the minimum thickness allowed venting system need revising it must approach minimum sizing as determined by A Vertical Venting the appropriate table Appendix G of the 1 Before venting vertically a minimum of 12 National Fuel Gas Code ANSI 2223 1 30 5cm length of horizontal pipe is required from the exhaust outlet Table 1 ANSI UNIT HEATER VENTING CRITERIA 2 Install a tee fitting at the end of the horizontal Fe re in Figure 2 Slope downward 1 4in per Non condensing venting criteria foot 6cm towards the drip leg ME a ll Condensing be drained 3 Avoid venting through unheated spaces This Category Venting Criteria run with a drip leg and cleanout cap as shown Positive vent pressure Vent must be gas could cause condensation problems If vent tight pipe does pass through unheated space IV Positive vent pressure Vent must be liquid insulate with insulation that is noncombus Condensing and gas tight tible and rate at 350 F 175 C the first 5 ft Condensate must 1 5m or 6 ft 1 8m of length be drained Note A vent is the vertical passageway to convey flue gases 4 Single wall vent pipe shall be at least 6 fro
19. e defective Adams parts or products shall not be returned to the factory without an attached Return Goods Authorization Repaired products or replacement parts shall be shipped by Adams F O B Cleveland OH 1 EXCLUSIONS This warranty does not cover labor or other costs incurred in repairing removing installing servicing or handling of parts or complete products This warranty will not apply if the input to the product exceeds the rated input as indicated on the data plate by more than 5 or if the product in the judgment of the Adams has been subjected to misuse negligence accident corrosive atmospheres excessive thermal shock physical damage impact abrasion unauthorized alterations or operation contrary to Adams printed instructions or if the serial number has been altered defaced or removed Adams shall not be liable for any default or delay in performance of its warranty obligations hereunder caused by any circumstances beyond its control including but not limited to government restrictions or restraints strikes fires floods or reduced supplies of raw materials energy or parts Adams will not be liable for any loss damage cost of repair or incidental or consequential damages of any kind in connection with the sale use or repair of any Adams products THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED AND IMPLIED AND ADAMS DISCLAIMS ALL OTHER EXPRESSED WARRANTIES AND ALL IMPLIED WARRANTIES INCLUDING
20. ervice agency or gas Please leave this manual with the owner supplier Explain operation of the unit to the owner DO NOT RETURN EQIPMENT TO THE RETAILER CONTACT HAMILTON AT 1 800 879 0123 PLEASE NOTE This unit comes with a grounded plug requiring a dedicated electrical outlet with the proper polarity on its own circuit breaker If the burners do not stay lit verify the polarity of the outlet UNPACKING AND INSPECTION 1 Examine unit as received for any damages If any damage is found proper notation should be made on the carrierft s freight bill Claims should be made at once 2 If any parts are missing claims of shortage should made to the manu facturer within five 5 days 3 Check rating plate for correct type of gas and input 4 Verify that the electrical rating shown on the rating plate will meet available power supply at the point of installation GENERAL When consulting codes or standards referenced in this manual consult the most recent edition of the code or standard Installation shall conform with local codes or in the absence of local codes with the National Fuel Gas Code ANSI 2223 1 or the CAN CGA B149 Installation Codes latest editions This appliance is a gas fired power vented unit heater with propeller type fan designed for suspended mounting in commercial industrial and residential buildings The unit heater is completely assembled and wired Only the usual mounting brackets g
21. es ANSI NFPA 88A and the Standard for Repair Garages ANSI NFPA 88B and with the CAN1 B149 codes latest editions WARNING Gas fired appliances are not designed for use in hazardous atmospheres containing chlorinated or halogenated hydrocarbons Figure 1A Unit Heater Rear View Mounting Brackets Electrical Access Fingerproof Fanguard Hole Fan Motor Vent Pipe Connection i Access Panel Gas Pipe Hole Gas Pipe Field Supplied Thermostat Connections Figure 1B Unit Heater in Standard Mounting Configuration from factory this orientation brackets not attached Figure 1C Unit Heater Turned 180 Access Panel and Heated Air Outlet Change Sides SUSPENSION Unit s must be supported from the structural part of the building Do not support from ceiling boards roof panels or plaster ceiling Each unit is provided with two 2 angle brackets for mounting purposes See Figure 1A on page 5 for typical suspension of the heater The heater must be installed in a level horizontal position so that the heater will operate properly See Figures 1A and 1B on page 5 Mounting brackets must be installed first before lifting heater Decide if the unit is to be installed as received that is with the controls on the left side when looking at the front of the appliance Remove and retain the 3 screws along the top edge of both the front and back of unit Make sure the screws line up on the mounting
22. for Louvers GH 1005_ GH 1005_ GH 1005 GH 1005 8 CollectorboxGasket GH 1007 GH1007 GH 1029 GH 1029 _9 Ventor Assembly GH1040 GH1040 GH 1040 GH 1040 NOT SHOWN MODELS USE TWO 20 Unit Wiring Diagram HIGH EE LIM 2 R S der PR SW G V HOT 24 V 2 FANS T STAT s T STAT W Y Y BK FAN HOT F1 oo o T20 V L1 La a ETTI 120 V GROUND 2 BL TRANS 10 ING S1 11 120 V L2 12 IGN S2 IGN MOD DH21260S 1 Year Part Warranty 10 Year Heat Exchanger Warranty ADAMS LIMITED WARRANTY Adams manufacturer of WINCHESTER brand garage heaters referred to as Adams herein warrants to the original owner user that this Unit Heater will be free from defects in material or workmanship This warranty is limited to twelve 12 months from the date of original installation whether or not the actual use begins on that date or eighteen 18 months from the date of shipment by Adams whichever shall expire first The heat exchanger shall have an extended nine 9 year non prorated warranty in addition to the standard warranty Adams obligation under this warranty is limited to repair or replacement at Adams manufacturing facility in Cleveland OH of any part or parts of this product identified by model and serial numbers which shall be returned with transportation charges prepaid and which Adams examination shall disclose to its satisfaction to b
23. he heater to floor anc residential installation a minimum clearance of 5 ft 1 5m from the bottom of the heater to floor Table 2 Clearances to Combustible Material Based on a 160 F 70 4 C Top amp Bottom Vent connector Access side Non access side Rear Make sure that the air intake and discharge air openings are not obstructed Accessibility clearances must take prece dence over fir protection clearances Allow a minimum of 18 in 45 7cm clearance at the rear or 6 in 15 2cm beyond end of motor of heater Make sure access side is provided with ample air for both combustion and proper fan operation GAS CONNECTION WARNING NEVER USE AN OPEN FLAME TO CHECK FOR GAS LEAKS IF THERE IS A GAS LEAK EXPLOSION OR INJURY CAN OCCUR ALWAYS CHECK FOR LEAKS USING A SOAP SOLUTION CAUTION Check inlet supply pressure at the unit and upstream of the gas control Make sure the inlet supply pressure for natural gas is 6 7in w c 1 2 1 7kPa and 12 14in w c 3 0 3 5kPa for LPG Purging air from gas lines and piping must be done in accordance to the instr uctions outlined in ANSI Z223 1 latest edition CAN CGA B149 codes Never exceed 14in w c 3 5kPa gas pressure to the controls on the unit heater The gas line should be as short as possible be of adequate size to prevent undue pressure drop and never be smaller than the connection provided at the heater Consult the local utility for c
24. igure 3B HORIZONTAL THROUGH vented into a masonry or concrete chimney COMBUSTIBLE WALL lined with material acceptable with recog nized standards and the authority having jurisdiction Venting into an unlimited masonry chimney is not allowed See the National Fuel Double Wall Vent Pipe Gas Code for common venting en A by Type B Vent Mfg 8 A minimum of 3 corrosion resistant screws shall be used to secure vent joints A listed vent cap must be utilized to stop drafts and moisture in the vent Usted 7 Single Wall Vent Pipe 9 Reference the National Fuel Gas Code for the vertical distance on a pitched roof that the cap shall extend See figure 2 B Instructions for Double Wall Type B 0 Vent Pipe Figure 2 VERTICAL VENTING SLOPED ROOF 1 Attaching Single Wall Vent Cap to Refer to National Fuel Double Wall Vent Pipe Type B 0 a Check for the Flow arrow on the vent pipe Attach vent pipe to exhaust end of the double wall pipe al a fut Gi u a oe as Dt 7 pi b Slide the cap inside the pipe c Drill 3 holes through both the pipe and cap Use 3 4in 1 9cm long sheet metal screws to secure cap to pipe e owes pio U 2 Connecting Single Wall Vent Pipe to tin Double Wall Type B 0 Vent Pipe a Slide single wall pipe into the inner wall of the double wall pipe Figure 3A VERTICAL THROUGH COMBUSTIBLE FLOOR ROOF b Drill 3 holes through both walls of the Single Wall Vent Pipe Doubl
25. in serious injury or death A Use the following steps to ensure venting system is adequately sized 1 Make sure that all unused openings have been sealed 2 The venting system must be inspected for proper size and required horizontal pitch Verify there is no blockage or restrictions leakage corrosion or other deficiencies that may lead to unsafe conditions 3 Close all building doors windows doors leading between the space in which appliance s are located and other spaces of the building Also turn on all exhaust fans so that they all operate at there maximum speeds However do not run Summer exhaust fans and make sure all fireplace dampers are closed 4 Start up unit heater s per the lighting in structions provided and adjust thermostat so that appliance will operate continuously 5 With the unit in operation check all draft hood equipped appliances after 5 minutes for any spillage by using either a burning match or candle 6 Once each appliance which has been connected to the venting system properly vents when tested from the method outlined above all doors windows exhaust fans fireplace dampers and other gas burning appliances may be returned to their earlier conditions of use 7 If improper venting is observed during any Unit heaters come with the vent adaptor already of the above tests the venting system must attached so that piping may be installed Drill be corrected three holes so that pip
26. ired temperature setting CAUTION Tabel 6 Manifold Pressure amp Gas Consumption Power supply must be disconnected before Manifold Pressure making any wiring connections to prevent BTU Cu ft Spec Gravity in W C kPa electrical shock and damage to equipment Units must be wired in strict accordancce with Natural Gas 1090 006 as os the wiring diagram furnished with the heater LP 10 0 2 RE PRIR Propane sia A fused circuit or circuit breaker must be used to protect the heater at all times Natural LP Orifice Gas Propane Qty This appliance must be electrically grounded 28 6 12 0 Gal Hr LPG 0 33 Sec Cu ft 12 6 300 Orifice DMS 49 56 CFH 42 9 18 0 Gal Hr LPG 0 50 in accordance with local codes with the latest edition of the National Electric Code ANSI NFPA 70 and or the CSA C22 1 Canadian Electrical Code if an external electrical source is utilized Sec Cu ft 12 6 200 Use wiring with a temperature rating of 105 C run the 115 volt 60 hertz elelctric power supply through either a 15 amp fused circuit or 15 amp circuit breaker to the junction box of the heater as shown in the wiring diagram See Figure 8 on Page 14 Orifice DMS 49 56 CFH 57 1 24 0 Gal Hr LPG 0 66 A Sec Cu ft 63 150 Orifice DMS 49 56 CFH 71 4 30 0 Gal Hr LPG 0 83 5 Sec Cu ft 50 180 Orifice DMS 49 56 If any of the original wire supplied with the heater must be replaced replace with wiring material having a temperature r
27. lows 1 Find the correct manifold pressure shown in Table 6 on page 13 2 Locate the combination control inside the heater and then push in on the ON OFF lever so that it snaps to the closed position 3 Remove the 1 8in 3cm plugged tapping from outlet of the control and then attached either a water manometer or U shape tube which is at least 12 in 3cm high To convert to Btuh multiply by the heating value of the gas used Time lor 1 Input Cu Ft per Hour when meter dial size is Revolution Seconds 4 Put heater into operation per the lighting instructions and set the thermostat up so ver ire 2F 5e that the heater will continue to operate 5 If the manometer or U shape tube pressure indication is less than 1 2 w c 1 3cm higher or lower than shown in Table 6 adjust the regulator as described in Method A Meter Timing If the manometer or U shape tube pressure indication is more than 1 2 w c 1 3cm higher or lower than shown in Table 6 check the inlet gas pressure at heater Gas Inlet Pressures 6 7 w c 1 5 1 7 kPa Application 12 14 w c 3 3 5 kPa 6 After adjustment has been completed make sure the gas flow is shutoff at the heater by pressing in on the lever so that it snaps to the OFF position Replace the 1 8 3cm plug taps and turn gas on 7 Restart heater by following the light instructions Electrical Connections Set thermostat to the des
28. m to the outside atmosphere Avent connector pipe 15 2cm from any combustible materials connects the units outlet to a vent or chimney Top clearances top of heater may be Vent connectors serving a category appliances shall not be greater than specified if heat damage such as connected into any portion of mechanical draft systems surrounding discoloration or material dis operating under positive pressure tortion is noticed All vertically vented unit heaters are category 5 If single wall vent does pass through com I venting and all horizontally vented unit heaters bustible wall or floor a listed thimble shall be are category III venting used Should type B 0 double wall vent pass through combustible wall or floor Use Table 1 determining the category require maintain the vent pipe clearances as specif ments Category Ill heaters which are horizontally ied by the vent pipe manufacturer vented shall conform to the venting requirements in Table 1 shown above along with detailed section 6 Do Not use any additional power exhaust on installing the vent pipe systems or dampers on this unit heater Failure To Follow These Instructions could Unit heaters for vertical venting may be vented result in serious injury or death with either single wall or double wall vent pipe and comply with the combustible clearances 7 These vertically vented unit heaters shall be provided by the double wall manufacturers connected to a factory built chimney or F
29. mes blocked the pressure switch contacts open and the unit will not operate If the pressure switch contacts do not close check the following 1 Verify that venting system does not elbow within 12 of the 3 dia vent connect at rear of the appliance 2 Check venting system for blockage Remove the obstruction s 3 Check to make sure the tube between the power exhaust and the pressure switch is secured and has not deteriorated If bad replace 4 See if there is air flow at the vent terminal Re place pressure switch if there is air flow Replace the power exhauster if there is no air flow 4 Hot Surface Ignitor the ignitor is made from a ceramic material which must glow red hot until it reaches a required temperature to ignite the gas flowing through the burners If the igniter does not glow red hot check the resistance If less than 100 Q ohms replace the igniter To replace disconnect the leads S1 and S2 from the module and remove the two 2 screws holding the igniter to the burner box cover Be very care ful when installing a new igniter as they can break easily Re connect leads to S1 and S2 on the module Page 18 LED DIAGNOSTIC CAPABILITY The red LED on the ignition module indicates the condition of the control system The following codes indicate what type of failure is occurring and are also shown on the module ERROR MODE Normal Operation No Power Internal Fault LED INDICATION Ste
30. mum angle from the horizontal 5 Make sure all electrical connections are secure 6 Check for gas leaks LIGHTING OPERATING INSTRUCTIONS WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life A This appliance does not have a pilot It is equipped with an ignition device which auto matically lights the burner DO NOT TRY TO LIGHT THE BURNER BY HAND B BEFORE OPERATING smell around the area where the appliance is installed for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call you gas supplier from a neighbors phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department C Use only your hand to move the gas control switch Never use tools If the switch will not move by hand don t try to repair it call a qualified technician Force or attempted repair may result in a fire or explosion LEVER D Do not use this appliance if any part has been under water Immediately call a qualified service g technician to inspect the appliance and to replace G ET any part of the control system and any gas control which has been under water OPERATING INSTRUCTIO
31. ome energized Following the ignition heat up period the main gas valve will open to allow gas flow to the burners Once the flame has been detected the ignitor is de energized When the thermostat is satisfied and the demand for heat ends the gas valve is de energized immediately stoping the flow of gas to the burners until the next call for heat The circulating and exhaust blowers continue to operate for another 60 seconds before they shut off If a flame is not sensed for any reason there will be three 3 tries for ignition and the ignition module will go into lockout shutting down the entire system at which time either the thermostat will need to be reset manually or the power supply must be shut off for 5 seconds 15 TECHNICAL DIMENSIONS FOR DGH 30 45 60 75 TW Mounting Holes Typ 16 x 2 5 Long jy Adjustable G Deflector f Blades E Opening Access Side 7T Power Venter Vent Pipe Connection 77 Mounting Brackets Electrical x Connection Pi 4 s Gas 4 Connection Opening D Access Panel Back View TECHNICAL MODELS 30 45 60 60 000 inletcFM 505 720 sso 1160 769 44 66 46 7 7 45 72 48 88 10 3 10 3 12 36 12 36 Heat Throw 25 76 27 82 36 109 ft m m 75 75 000 Temp Rise F C9 Max Mounting Height ft m 38 11 6 Type 2 5 Vent Dia 3 7 6 3 7 6 3 7 6 in cm Amp 3 7 6 pa on N
32. omplete details on special requirements in sizing gas piping See Table 5 on page 12 Connect the gas pipe to the heatersft control providing a ground joint union to the controls and manifold Provide a drip leg See figure 7 An additional manual shutoff valve with a 1 8in 3cm N P T plugged tapping accessible for test gage connection shall be installed external to the unit FIGURE 7 PIPING TO CONTROLS GAS SUPPLY LINE SUPPLY LINE 7 ani eas P TO CONTROLS pete GAGE CONNECTION 3 7 6 cem _ SEDIMENT TRAP Make sure the piping is pitched upward towards the unit at least 1 4in 6cm per 15ft 4 6m of horizontal run A regulator is required on the propane tanks Piping must be gas tight and a non hardening pipe compound resistant to the actions of LP gas must be used Supply piping including union and external shutoff valve are not provided GAS PRESSURES Table 3 Pressures SUPPLY PRESS INCHES W C kPa MAX MIN The manifold pressure may be measured by removing the pipe plug on the downstream side of the gas control and connecting a water manometer Only a small variation in gas input may be made by adjusting the regulator In no case should the final manifold pressure vary by more than 0 3 w c 1kPa from the above specified pressures shown in Table 3 Where the Supplied gas pressure has a greater specific gravity use the multiplying factors shown in Table 4 Table 4 SP
33. re met These unit heaters may also be turned 180 around from the way they were produced at the factory Follow these steps for right side in turned overin installation See Figure 1C on page 5 1 Sides become opposite but the front and back remain in the same relative position Bottom panel now becomes the top and vice versa 2 Remove access panel and rotate 180 reattach it to the unit This makes sure that all labels may be read 3 Remove the louvers and springs Turn them over so that the air is deflected opposite to what it was originally Replace louvers springs Adjust so that they are open and positioned to direct heated air to the floor COMBUSTION AIR Adequate provisions of combustion air must be provided for this unit heater Since todayft s buildings and homes are more tightly built so that less air infiltrates from the outside it is very important that all heating equipment has adequate combustion air The requirements for combustion and ventilation air depends on how unit will be installed That is either in confined or unconfined spaces In both cases enough incoming air is required to eliminate negative pressure Confined or Unconfined Space The National Fuel Gas Code defines an unconfined space as a space whose volume is greater than 50 cubic feet per 1000 Btu Hr input of the installed appliance s A confined space is 50 cubic feet or less per 1000 Btu Hr input of the installed applian
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