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33

TWINNING

CONTROL BOARDS

R

Y G W

COOLING

CONT

ACT
OR

UT ELECTRONIC CONTROLS 1194-250 CONTROL BOARD, TWINNING

CONNECTION -- SINGLE PHASE OPERATION

THERMOSTAT

ST-A1220-25-00

NOTE:

A FAULT CODE 20 WILL FLASH TO

INDICATE A TWINNING PROBLEM.

COMFIRM PROPER WIRING IF THIS

FAULT IS PRESENT.

FIGURE 28

UT ELECTRONIC CONTROLS 1194-250 CONTROL BOARD, TWINNING CONNECTION

– SINGLE STAGE OPERATION

ST-A1220-25-00

Twinning

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Содержание 801C Series

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 52: ...52 CM 0917...

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