Rheem 801C Series Installation Instructions Manual Download | Manualshive

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34

TWINNING

CONTROL BOARDS (cont .)

R

Y G W2

W1

COOLING

CONT

ACT
OR

UT ELECTRONIC CONTROLS 1194-250 CONTROL BOARD, TWINNING

CONNECTION -- TWO PHASE OPERATION

THERMOSTAT

ST-A1220-26-00

FIGURE 29

UT ELECTRONIC CONTROLS 1194-250 CONTROL BOARD, TWINNING CONNECTION

– TWO STAGE OPERATION

ST-A1220-26-00

Twinning

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Summary of Contents for 801C Series

Page 1: ...FURNACES WITH CONSTANT TORQUE AIR CIRCULATION BLOWER 801T UPFLOW HORIZONTAL SERIES 801C UPFLOW HORIZONTAL SERIES 80MSX UPFLOW HORIZONTAL SERIES 80MSC UPFLOW HORIZONTAL SERIES ST A1220 01 X0 92 24161...

Page 2: ...Option Accessories 30 Electronic Air Cleaner 30 Humidifier 30 Filter 30 RXGW B01 Chimney Adapter 30 Four Inch Flue Adapter 30 11 TWINNING 32 Furnace Twinning Installations 32 Control Boards 33 34 12 H...

Page 3: ...ne gases as follows As a Category I furnace it may be vented vertically with type B 1 vent pipe and also may be common vented as described in these instructions This furnace should be installed in acc...

Page 4: ...nsate from forming inside the unit control box and on electrical controls Install the unit in such a way as to allow necessary access to the coil filter rack and blower control compartment Install the...

Page 5: ...ssure ______ Air temperature rise in heat record air temperature rise ______ Air temperature rise in cool record air temperature rise VENTING ______ Correct vent pipe diameter and length according to...

Page 6: ...R THIS FURNACE REFER TO THE FURNACE RATING PLATE WARNING NEVER TEST FOR GAS LEAKS WITH AN OPEN FLAME USE A COMMERCIALLY AVAILABLE SOAP SOLUTION MADE SPECIFICALLY FOR THE DETECTION OF LEAKS TO CHECK AL...

Page 7: ...STRUCTURES UNDER CONSTRUCTION INSTALLATION MUST COMPLY WITH ALL INSTALLA TION INSTRUCTIONS INCLUDING PROPER VENT INSTALLATION FURNACE OPERATING UNDER THERMOSTAT CON TROL RETURN AIR DUCT SEALED TO THE...

Page 8: ...nt of blower and slide bracket off motor shaft SITE SELECTION 1 Select a site in the building near the center of the pro posed or existing duct system 2 Give consideration to the vent system piping wh...

Page 9: ...CE AREA MUST NOT BE USED AS A BROOM CLOSET OR FOR ANY OTHER STORAGE PURPOSES WARNING UPFLOW AND HORIZONTAL FURNACES ARE DE SIGN CERTIFIED FOR INSTALLATION ON COMBUSTIBLE FLOORS NOTE HOWEVER THAT FURNA...

Page 10: ...TER 4 ADAPTER INCLUDED WITH 801P UNITS MAY BE 0 WITH TYPE B VENT MAY BE 1 WITH TYPE B VENT LEFT SIDE REDUCED CLEARANCE IN SHIP WGTS FIGURE 4 UPFLOW HORIZONTAL DIMENSIONS REDUCED CLEARANCE IN Input A B...

Page 11: ...urnace rooms ga rages or cold areas Avoid return air from utility rooms kitchens laundry rooms and bathrooms DUCTING Ducting WARNING BLOWER AND BURNERS MUST NEVER BE OPERATED WITHOUT THE BLOWER DOOR I...

Page 12: ...LID BASE PLATE IS USED TAPE AROUND BOTTOM FLANGES OF CABINET BEFORE THE UNIT IS INSTALLED LIFT UP PULL OUT 1 REMOVE 2 SCREWS LIFT BASE UP SLIDE FORWARD TO REMOVE 2 INSTALLATION IS REVERSE OF REMOVAL V...

Page 13: ...l burning appliance NOTE Do not block furnace access with support rods Maintain clearances recommended in Figure 8 Allow enough space for proper service maintenance or re placement of the heat exchang...

Page 14: ...total input of all appliances in the space If the open space containing the appliances is in a building with tight con struction contemporary construction outside air may still be required for the app...

Page 15: ...ace that is equipped with power ventilation The confined space must communicate with the outdoors in accordance with Methods 1 or 2 below The minimum dimen sion of air openings shall not be less than...

Page 16: ...USTION 3 COMMUNICATING DIRECTLY TO THE OUTSIDE THROUGH AN OPENING OR THROUGH A VERTICAL VENT DUCT Total Input for ALL Gas Appliances BTUH Free Area for Each Opening when2 Separate Openingsare used sqi...

Page 17: ...1 3 5 78 1 7 5 9 17 9 17 7 77 25 62 7 9 176 287 7 5 1 77 0867 29 168 7 21 64 1 3 5 78 1 7 5 0 64 1 3 5 78 287 7 5 FIGURE 7 AIR FROM ATTIC CRAWL SPACE 67 ST A1227 02 FIGURE 11 NON DIRECT VENT AIR FROM...

Page 18: ...ttic must be ventilated by gable or soffit vents COMBUSTION AIR FROM ATTIC If attic combustion air is used the inlet air opening at the fur nace must be protected from accidental blockage Install a 90...

Page 19: ...chimneys Follow the National Fuel Gas Code ANSI Z223 1 or proper installation practices NOTE Follow combustion air instructions as outlined in this manual Single wall vent connectors to B 1 vent or ma...

Page 20: ...shall not be greater than 75 percent of the vertical height of the vent Single appliance venting of a fan assisted furnace into a tile lined masonry chimney is prohibited The chimney must be lined wit...

Page 21: ...R cont FIGURE 18 DEDICATED VENTING THROUGH CHIMNEY WITH B 1 VENT FIGURE 17 FRESH AIR INLET ST A1220 09 01 1 STANDARD 3 FLUE CONNECTION 2 4 ADAPTER OPTIONAL SEE NATIONAL FUEL GAS CODE FOR SIZING OPTION...

Page 22: ...nused openings in the common venting system NOTE Ensure existing venting system complies with latest addition of National Fuel Gas Code ANSI Z223 1 and all local codes regulations 1 Visually inspect t...

Page 23: ...WITH REGARD TO PURGING OF GAS PIPING TO ENSURE THAT THE AIR AND OR FUEL GAS IN THE GAS PIPING IS PROPERLY VENTED TO A LOCATION WHERE AN EXPLO SIVE MIXTURE CANNOT ACCUMULATE WARNING FURNACES USING PROP...

Page 24: ...n 3 feet to easily remove the control valve assembly Install a manual shut off valve in the gas line outside the furnace casing The valve should be readily accessible to turn the gas supply on or off...

Page 25: ...NEED TO BE CHANGED SEE THE SECTION TITLED HIGH ALTITUDE INSTALLA TIONS OF THIS BOOK FOR INSTRUCTIONS FIGURE 20A TYPICAL GAS VALVE HONEYWELL REGULATOR CAP WARNING NEVER PURGE A GAS LINE INTO THE COMBUS...

Page 26: ...ictions in the gas supply piping or enlarge the gas pipe See Tables 6 and 7 With LP gas have the LP supplier adjust the line pressure at the regulator MANIFOLD GAS PRESSURE MEASUREMENT Natural gas man...

Page 27: ...the gas supply to the furnace 2 Remove the burner door from the furnace 3 Remove the burner assembly handle with care 4 Remove the two screws attaching the NOx insert retainer bracket to the center p...

Page 28: ...d be taken 1 The furnace must NOT be electrically connected to line volt age prior to reversing the electrical connection 2 Disconnect the wires from the door switch 3 Remove the junction box from the...

Page 29: ...smaller than No 18 AWG Install the room thermostat in accordance with the instruction sheet packed in the box with the thermostat Run the thermostat lead wires inside the blower compartment and conne...

Page 30: ...nual for more information See National Fuel Gas Code for sizing options FILTERS See Figure 27 Keep filters clean at all times A filter is not provided with the furnace but one must be field supplied a...

Page 31: ...E WRAPS AROUND BACK AND SCREWS TO THE REAR OF THE FURNCE AT THE LOCATIONS PROVIDED CUT OUT USING EMBOSSED ANGLES AS A GUIDE FOR PROPER SIZE 23 X 14 ST A1220 07 00 RXGF CB ACCESSORY FILTER RACK FIELD S...

Page 32: ...eating cooling or fan NOTE Duct system must be adequate to provide correct airflow to each furnace for supply and return UT ELECTRONIC CONTROLS 1194 250 CONTROL BOARD 62 104058 02 1 Single Stage Opera...

Page 33: ...ELECTRONIC CONTROLS 1194 250 CONTROL BOARD TWINNING CONNECTION SINGLE PHASE OPERATION THERMOSTAT NOTE A FAULT CODE 20 WILL FLASH TO FIGURE 28 UT ELECTRONIC CONTROLS 1194 250 CONTROL BOARD TWINNING CO...

Page 34: ...2 W1 COOLING CONTACTOR UT ELECTRONIC CONTROLS 1194 250 CONTROL BOARD TWINNING CONNECTION TWO PHASE OPERATION THERMOSTAT FIGURE 29 UT ELECTRONIC CONTROLS 1194 250 CONTROL BOARD TWINNING CONNECTION TWO...

Page 35: ...Natural Gas Heating Value I H Q 25000 1050 23 81ft3 I Sea Level input per burner 25000 H Sea Level Heating Value 1050 Q 23 81 ft3 Natural Gas per hour From Table E1 1a of National Fuel Gas Code 2015...

Page 36: ...el standard to use the chart below 4 The recommended orifices below allow the furnace to operate within 10 of design rate However NFGC calculations are the best method 1 All 80 units are factory equip...

Page 37: ...orifices are based on an 11 of water column pressure at the orifice which differs from products that use 10 of water column at the orifice This difference requires a deviation from the NFGC ori fice...

Page 38: ...e gas burners and stays energized for the up to 7 seconds after the gas valve opens 5 8 seconds after the gas valve opens the remote flame sen sor must prove flame ignition for one second using the pr...

Page 39: ...occurred four times in a row the control enters one hour lockout and fault codes 10 and 11 will be displayed alternately as described above 2 When flame is lost five times in a row the control enters...

Page 40: ...r period will commence after flame is no longer detected Dead Blower has been detected main limit circuit open for more than 150 seconds When voltage has unexpectedly been detected on the gas valve ci...

Page 41: ...ans of controlling the HEAT speed blower off delay time is provided The dipswitches are labeled SW2 and SW3 The following table defines the settings SW2 SW3 OFF OFF 90 seconds Factory Setting ON OFF 1...

Page 42: ...cleared from the fault buffer after one week The fault buffer can also be manually cleared if this is desired For the first 30 seconds after a change in state of dipswitch SW4 the furnace control wil...

Page 43: ...r orifices To change orifice spuds shut off the manual gas valve and re move the gas manifold On LP gas furnaces the LP gas supply pressure must be set between 11 and 13 w c by means of the tank or br...

Page 44: ...ad justment above 2 000 ft TIMING DIAGRAM FIELD SELECTIONS ADJUSTMENTS Field Selections TABLE 11 METER TIME METER TIME IN MINUTES AND SECONDS FOR NORMAL INPUT RATING OF FURNACES EQUIPPED FOR NATURAL G...

Page 45: ...red temperature rise is above the nameplate range the gas input rate may need to be adjusted or the duct system may be too restrictive due to under sized ducts An undersized return duct is a common ca...

Page 46: ...IR FLOW PERFORMANCE 801T 801C 80MSX 80MSC FF TS80 FF CS80 SERIES MODELS Input Btu Cabinet Width in CFM AIR DELIVERY EXTERNAL STATIC PRESSURE in INCHES OF W C AIRFLOW CONTROL SETTINGS SPEED TAP 0 1 0 2...

Page 47: ...orrect the source of trip ping If this unit is mounted in a closet the door must be closed when making this check PRESSURE SWITCH This furnace is equipped with a normally open pressure switch that mon...

Page 48: ...H DISCONNECT MAIN ELECTRICAL POWER TO THE UNIT BEFORE ATTEMPTING ANY MAINTENANCE FAILURE TO DO SO CAN CAUSE ELECTRICAL SHOCK RESULTING IN PERSONAL INJURY OR DEATH 48 Maintenance MAINTENANCE MAINTENANC...

Page 49: ...ller service agency or the gas supplier IMPORTANT It is recommended that an annual inspec tion and cleaning of all furnace markings be made to as sure legibility Attach a replacement marking which can...

Page 50: ...ts do not need to be reset Make sure no flame rollout in burner compartment due to blocked flu or heat exchanger OVERFIRE ensure furnace is not overtemperature temp rise is above stated range Check ga...

Page 51: ...N E C C E C NATIONAL WIRING REGULATIONS AND LOCAL CODES A S APPLICABLE REPLACEMENT WIRE MUST BE THE SAME SIZE AND TYPE OF I NSULATION AS ORIGINAL 105C MIN LOW VOLTAGE FIELD INSTALLED FACTORY OPTION F...

Page 52: ...52 CM 0917...

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