Reznor CRGB Series, Assemblies

Page 1: ...AquaSaver Timer Adjustment 34 Belts 24 Blocked Vent Switch 25 Blower Motors 24 Blower Rotation 24 Burner Air Adjustment 30 Burner Rack Removal 42 Burners 29 Carryover System 29 Check Installation and...

Page 2: ...rhalogenatedhydrocarbonsorany contaminant silicone aluminium oxide etc that adheres to the spark ignition flame sensing probe b Wiring is not in accordance with the diagram furnished with the heater c...

Page 3: ...x 19 1 2 495mm Return Air Openings with Optional Cabinet X Hanger Centerline Standard and Optional Blower Cabinet Dimensions inches andmm Gravity Vented Indoor Models XE HXE Gas Connection Natural Pr...

Page 4: ...side the downturn plenum cabinet For dimensions with downturn plenum cabinet with a cooling coil cabinet see page 6 FIGURE1B Dimensions Outdoor Gravity VentedModel Series CRGB Vent Cap Gas Connection...

Page 5: ...ottom of cabinet side If system has a cooling coil cabinet add length dimension on page 6 for full system length The two position discharge dampers in Option AQ8 fit in the discharge air opening The d...

Page 6: ...ownturnPlenumCabinet factoryattachedto either type of Cooling Coil Cabinet Front View DX Coil Cabinet with Horizontal Discharge Option AU3 Liquid Line Connections 7 8 or 1 3 8 5 1 8 130 8 203 3 4 19 3...

Page 7: ...r from inside the building openings 1 square inch free area per 1000 BTUH Never less than 100 square inches free area for each open ing See 1 in FIGURE 2 2 Air from outside through duct openings 1 squ...

Page 8: ...the pipe hanger to a 1 threaded pipe See the suspension method on the left in FIGURE 4 As an alternative method the factory installed pipe hanger may be removed and the heater suspended as illustrated...

Page 9: ...lled 1 Position curb cross rails and curb side rails as illustrated in FIGURE 8 page 10 If there are two side pieces to a side fasten them with splice plates and hardware as illustrated in the splicin...

Page 10: ...e is horizontal If the system has an AU11 AU12 AU13 AU14 cooling coil cabinet there is a downturn plenum with vertical discharge Options AU2 AU3 AU11 AU12 AU13 and AU14 are not factory installed Optio...

Page 11: ...should be supported every six feet 1 8M using a non combustible material such as strap steel or chain Do not rely on the drafthood or heater for support of either horizontal or vertical vent pipe 6 V...

Page 12: ...re horizontal venting is required or where negative building pressure inhibits gravity venting in stall an optional power venter Option CA Use only a power venter provided by the furnace manufacturer...

Page 13: ...mmended size is 1 2 x1 2 20 gauge FIGURE11B InstallationoftheVentCap includedinthe optionpackage andthefield suppliedPipingandSupports Oval Adapter Assy PN 103025 Venter Seal Plate P N 43446 9 Condens...

Page 14: ...air duct should come in con tact with masonry walls Insulate around all air duct through ma sonry walls with not less than 1 2 1 is recommended of insula tion Through Unheated Space Insulate all expo...

Page 15: ...l connections are made disconnect the pilot supply at the control valve and bleed the system of air Reconnect the pilot line and leak test all connections by brushing on a soap solution WARNING All co...

Page 16: ...ding MUST be made in accordance with the National Electric CodeANSI NFPANo 70 latest edition or in Canada the Canadian Electrical Code Part I C S A Standard C22 1 In addition the installer should be a...

Page 17: ...ontrols available as part of the gas and air control options Check the wiring diagram and literature supplied with the unit for operation of factory installed optional controls See FIGURE 19 for locat...

Page 18: ...ND BLOWER MOTOR BRANCH CIRCUIT WIRE SHOULD BE SIZED TO TEMPERATURE RATING OF AT LEAST 105 C EXCEPT FOR MUST BE REPLACED IT MUST BE REPLACED WITH WIRING MATERIAL HAVING A 4 CAUTION IF ANY OF THE ORIGIN...

Page 19: ...W LEADS CAP RED 8 USE 18 GA WIRE FOR 24 VOLT CONTROL WIRING ON UNIT NONE NOTES 4 CAUTION IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE APPLIANCE MUST BE REPLACED IT MUST BE REPLACED WITH WIRING MAT...

Page 20: ...L WIRE AS SUPPLIED WITH THE APPLIANCE 3 DOTTED WIRING AND THE FOLLOWING CONTROLS ARE SUPPLIED AND INSTALLED 2 THE FOLLOWING CONTROLS ARE SUPPLIED AS OPTIONAL EQUIPMENT 1 THE FOLLOWING CONTROLS ARE SUP...

Page 21: ...N IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE APPLIANCE 3 DOTTED WIRING AND THE FOLLOWING CONTROLS ARE SUPPLIED AND INSTALLED 2 THE FOLLOWING CONTROLS ARE SUPPLIED AS OPTIONAL EQUIPMENT 1 THE FOL...

Page 22: ...E SAFETY SWITCH PORTION OF THE CONTROL THE SWITCH ACTION PROVES THE PRESENCE OF THE PILOT FLAME AND ENERGIZED THE A PILOT FLAME ON EACH OPERATING CYCLE THE SENSING PROBE ENERGIZING THE PILOT GAS VALVE...

Page 23: ...ND ENERGIZES THE MAIN VALVE THE MAIN GAS IGNITES AND THE UNIT FIRES AT LOW RATE 3 ON A CALL FOR HEAT BY THE HIGH STAGE OF THERMOSTAT THE UNIT FIRES AT FULL RATE 4 IF THE FLAME IS EXTINGUISHED DURING M...

Page 24: ...outlet temperature turn the adjustable half of the pulley outward One turn of the pulley will change the speed 8 10 5 Tighten the setscrew on the flat portion of the pulley shaft 6 Replace the belt an...

Page 25: ...ing pressure levels off If a restriction or excessive flue length or turns cause the sensing pres sure to become less than the switch setpoint the pressure switch will function to shut off the main bu...

Page 26: ...e same as the one illustrated 1 Remove the access panel in the ductwork adjacent to the control compartment access panel 2 Element is retained by spring clips 3 Round gasket and metal retaining plate...

Page 27: ...IGURE24 Signal Conditioner used in Options AG21 and AG40 Carryover Regulator Modulating Valve Single Stage Gas PrimaryGas FlowPressure Switch WhiteLabel 1 1 w c GasFlow PressureSwitch WhiteLabel 1 1 w...

Page 28: ...per open Is there voltage between Terminal 88 and Terminal 7 Is there voltage between Terminal 4 on ignition permissive relay and Terminal 7 Replace 1 time delay relay Replace ignition permissive rela...

Page 29: ...6 38mm 79 23 32 18 25mm 7 16 1 16 11mm 1 6 Option AH2 and spark pilot with lockout is Option AH3 NOTE Outdoor units in Canada using propane require lockout Indoor units in U S and Canada using propane...

Page 30: ...ers cont d INDOOR Gravity Vented Furnace Models XE HXE Natural gas burners are equipped with two flash carryover systems that receive a supply of gas simultaneously with the main burner NOTE A natural...

Page 31: ...esuppliedwithairforcombustionasrequired by Code and in Paragraph 6A of this heater installation manual MAINTAIN THE VENT SYSTEM IN STRUCTURALLY SOUND AND PROPERLYOPERATINGCONDITION lockout control if...

Page 32: ...3 Bottom Panel Position the air hood bottom panel so that it is to the inside of the two side panels and above the factory installed support angle Attach to the side panels If the bottom panel does n...

Page 33: ...ecessary Follow these instructions to field connect the water supply and make neces sary checks and adjustments before operating the cooling module with a lock nut and a sealing gasket Check these fit...

Page 34: ...ockwise to increase the ON time or counterclockwise to decrease the ON time One complete turn will adjust the cycle by 12 to 14 seconds All Modules Check the reservoir for any water leaks The reservoi...

Page 35: ...e the water feed line from the downstream side of the ball valve and unscrew the water bleed line barbed hose fitting 3 Force a fresh water supply through the water inlet hose and thoroughly flush the...

Page 36: ...let DamperOptionsonIndoor ModelsXE HXE FIGURE 41B Location of Controls for30 OutsideAirHood andDamperOptions AR6orAR7 OutdoorModelsonly FIGURE41D Exampleof OutsideAirand Return Air Damper Linkage Damp...

Page 37: ...w c Heater Filter Size Metal Fillers Size A B C D E F1 F2 75 100 125 20x20 20x20 150 175 20x25 20x25 13 16 13 16 200 225 16x25 16x20 16x25 16x20 250 300 20x25 20x20 20x25 20x20 350 20x25 20x25 20x25...

Page 38: ...B D D E 25 635mm 20 508mm 20 508mm 25 635mm Size 350 D D D C C Size 400 25 635mm 20 508mm B D Key Filter Code Filter Size A 16 x 20 B 20 x 20 C 16 x 25 D 20 x 25 E 25 x 25 Shaded areas are filter blo...

Page 39: ...d with op tional discharge dampers the damper motor wires must be connected to the terminal blocks in the furnace electrical compartment If the coil cabinet being installed does not include a downturn...

Page 40: ...ection remove the center hole plug FIGURE 46H To install side and top fillerpanels remove screws from top corners of both cabinets and the entire row across the cooling coil cabinet Removerowofscrews...

Page 41: ...or lint accumulation Clean as needed Check the vent system for soundness Replace any parts that do not appear sound Check the wiring for any damaged wire Replace damaged wiring See Paragraph 12 for re...

Page 42: ...ryover systems with air pressure 40 Cleaning the Heat Exchanger To clean the outer surfaces circulating air side of the heat exchanger gain access by removing the inspection panels in the ductwork or...

Page 43: ...causes 8 Reset lockout by interrupting control at thermostat 9 Faulty combustion air proving switch 9 Replace combustion air proving switch 10 Activated blocked vent switch indoor system 10 Correct ve...

Page 44: ...AG39 or AG40 see page 28 For replacement parts refer to Form P X XE for indoor units or Form P RG RP RBL for outdoor units Problem Probable Cause Remedy Pump does not run Unit is 1 Electrical connecti...