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32

For the proper connection, refer to the
appropriate wiring diagram located on
the inside cover of the furnace control
box and in these instructions.

NOTE:

The electrical junction box may be
moved to the right side if necessary. A
knockout is provided. Seal the opposite
hole with plug provided.

NOTE:

L1 (hot) and N (neutral) polarity

must be observed when making field
connections to the furnace. The ignition
control may not sense flame if L1 and
Neutral are reversed at junction box.
See Figure 28.

FIGURE 29

LINE VOLTAGE CONNECTIONS

UT ELECTRONIC CONTROLS 1095-104 CONTROL BOARDS

ELECTRICAL WIRING

TURN OFF ELECTRIC POWER AT
FUSE BOX OR SERVICE PANEL
BEFORE MAKING ANY ELECTRICAL
CONNECTIONS. FAILURE TO DO SO
CAN CAUSE ELECTRICAL SHOCK
RESULTING IN PERSONAL INJURY
OR DEATH.

NOTE: 

Electric to furnace must be

supplied by commercial utility. Proper
voltage is 110-125 volts.

THE CABINET MUST HAVE AN
UNINTERRUPTED GROUND
ACCORDING TO THE LATEST
EDITION OF THE NATIONAL
ELECTRICAL CODE, ANSI/ NFPA70-
OR IN CANADA, THE CANADIAN
ELECTRICAL CODE, CSA-C221 OR
LOCAL CODES THAT APPLY. DO
NOT USE GAS PIPING AS AN
ELECTRICAL GROUND. A GROUND
SCREW IS PROVIDED IN THE
JUNCTION BOX. FAILURE TO DO SO
CAN CAUSE ELECTRICAL SHOCK
RESULTING IN PERSONAL INJURY
OR DEATH.

IMPORTANT:

If servicing IFC, be sure to

replace grounding screw. See Figure 28.

NOTE: 

If grounding screw is not

replaced, furnace will not operate.
Flame cannot be sensed.

THIS FURNACE IS EQUIPPED WITH A
BLOWER DOOR SAFETY SWITCH.
DO NOT DISABLE THIS SWITCH.
FAILURE TO FOLLOW THIS
WARNING CAN RESULT IN
ELECTRICAL SHOCK, PERSONAL
INJURY OR DEATH.

IMPORTANT:

The furnace must be

installed so that the electrical
components are protected from water
(condensate).

Before proceeding with the electrical
connections, be certain that the voltage,
frequency and phase corresponds to
that specified on the furnace rating
plate. For single furnace application,
maximum over-current protection is 15
amperes.

Use a separate fused branch electrical
circuit containing a properly sized fuse
or circuit breaker. Run this circuit directly
from the main switch box to an electrical
disconnect that is readily accessible and
located within site of the furnace.
Connect from the electrical disconnect
to the junction box on the left side of the
furnace, inside the blower compartment.

!

WARNING

!

WARNING

!

WARNING

Make all electrical connections in
accordance with the latest edition of
the National Electrical Code
ANSI/NFPA70 and local codes having
jurisdiction.

These may be obtained from:

National Fire Protection

Association, Inc.

Batterymarch Park
Quincy, MA 02269

CSA - International
178 Rexdale Blvd.
Etobicoke (Toronto), Ontario
Canada M9W, 1R3

FIGURE 28

GROUNDING CONNECTIONS

JUNCTION

BOX

CONTROL IS GROUNDED WHEN

ATTACHED TO BLOWER

LOW
VOLTAGE
TERMINALS

CONTROL
MOUNTING
PLATE

BLOWER

COMPARTMENT

I409-3

GROUNDING

SCREW

Содержание GRL SERIES

Страница 1: ...92 24161 54 00 INSTALLATION INSTRUCTIONS FOR UPFLOW HIGH EFFICIENCY CONDENSING TWO STAGE GAS FURNACES GRL SERIES...

Страница 2: ...air ______ no of elbows intake air ______ ft of pipe exhaust pipe ______ no of elbows exhaust pipe ______ Exhaust Vent Temperature TERMINATIONS DIRECT VENT VERTICAL ______ Intake 12 min above roof sno...

Страница 3: ...equipment shipped for sale in California will have labels stating that the product contains and or produces Proposition 65 chemicals Although we have not changed our processes having the same label on...

Страница 4: ...as Code NFPA54 and requirements or codes of the local utilities or other authorities having jurisdiction This is available from the following National Fire Protection Association Inc Batterymarch Park...

Страница 5: ...OOR AIR REQUIRED FOR COMBUSTION RETURN AIR TEMPERATURE MAINTAINED BETWEEN 55 F 13 C AND 80 F 27 C AND CLEAN FURNACE DUCT WORK AND COMPONENTS UPON SUBSTANTIAL COMPLETION OF THE CONSTRUCTION PROCESS AND...

Страница 6: ...over the heat exchanger If these are manual dampers they must be equipped to prevent heating or cooling operation unless the damper is in the full heat or cool position 3 IMPORTANT Install the furnac...

Страница 7: ...s is recommended in front of all furnaces NOTE Use recommended 24 clearance if accessibility clearances are greater than fire protection clearances UPFLOW FURNACES ARE DESIGN CERTIFIED FOR INSTALLATIO...

Страница 8: ...0 1 2 0 111 06 17 1 2 16 11 32 15 5 8 2 15 13 25 32 0 0 0 1 2 0 117 09 21 19 27 32 19 1 8 2 18 1 2 17 9 32 0 0 0 1 2 0 148 A service clearance of at least 24 inches is recommended in front of all fur...

Страница 9: ...o air flow This can adversely affect furnace operation BE SURE TO CHECK AIR FLOW IMPORTANT When using outside air design and adjust the system to maintain a return air temperature ABOVE 55 F during th...

Страница 10: ...RLY VENT THIS FURNACE CAN CAUSE CARBON MONOXIDE POISONING OR AN EXPLOSION OR FIRE RESULTING IN PROPERTY DAMAGE PERSONAL INJURY OR DEATH This furnace removes both sensible and latent heat from the comb...

Страница 11: ...opening after 5 minutes of main burner operation Use the flame of a match or candle or smoke from a cigarette cigar or pipe 6 After it has been determined that each appliance that remains connected t...

Страница 12: ...mpounds increase the dew point temperature of the flue products and are highly corrosive after they condense ALL FURNACE INSTALLATIONS MUST COMPLY WITH THE NATIONAL FUEL GAS CODE AND LOCAL CODES TO PR...

Страница 13: ...l appliance input rating in the enclosure BTUH Free Area Round Pipe Input Each Opening Size 45 000 11 25 square inches 4 60 000 15 00 square inches 5 90 000 22 50 square inches 6 b Where communicating...

Страница 14: ...nput Each Opening Size 45 000 15 00 square inches 4 60 000 16 67 square inches 5 90 000 30 00 square inches 6 b Not less than the sum of the areas of all vent connectors in the confined space If unit...

Страница 15: ...OM INDOORS MAXIMUM ALLOWABLE LENGTH IN FEET OF EACH EXHAUST PIPE AND INTAKE PIPE 6 The minimum vent pipe length is 5 feet 7 Extend the exhaust pipe a minimum of 18 from the cabinet before turning vent...

Страница 16: ...areas where dripping condensate may cause problems such as above planters patios or adjacent to windows where steam may cause fogging In addition to the minimum clearances listed above the vent locat...

Страница 17: ...17 FIGURE 11 OTHER THAN DIRECT VENT TERMINAL CLEARANCES Natural Gas and Propane Installation Code National Fuel Gas Code Canadian Installations US Installations Canadian Installations US Installations...

Страница 18: ...inimum clearances to combustibles are maintained between the PVC pipe and other pipes Minimum 3 ft clearance required between combustion air inlet and any other exhaust 5 For horizontal runs where wat...

Страница 19: ...rom the wall for models with inputs of 45 000 and 60 000 BTUH Install a 2 in to 11 2 in coupling at the outside wall to prevent pushing the termination back into the wall See Figure 15 Detail A The co...

Страница 20: ...ect vent termination kits MAINTAIN 12 IN MINIMUM CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL MAXIMUM OF 24 IN ABOVE ROOF NOTE Support must be field installed to secure termination kit to structure...

Страница 21: ...XHAUST PITCHED ROOF INSTALLATIONS NOTES 1 SUPPORT HORIZONTAL PIPE EVERY FOUR FEET 2 WHEN 3 IN PIPE IS USED REDUCE TO 2 IN BEFORE PENETRATING OUTSIDE WALL 3 18 IN MAXIMUM 2 IN DIAMETER PIPE MAY BE USED...

Страница 22: ...appliance or clothes dryer to prevent recirculation of the flue gases into the furnace combustion air inlet The only exception to this requirement is the case of multiventing two or more furnaces whi...

Страница 23: ...23 FIGURE 17 DIRECT VENT TERMINAL CLEARANCES Natural Gas and Propane Installation Code National Fuel Gas Code Canadian Installations US Installations Canadian Installations US Installations...

Страница 24: ...AL POSITION EXHAUST VENT 6 MINIMUM 10 RECOMMENDED MAXIMUM 1 DISTANCE FROM WALL MINIMUM 12 ABOVE GRADE SEE CONCENTRIC VENT INSTALLATION INSTRUCTIONS SEE CONCENTRIC VENT INSTALLATION INSTRUCTIONS TWO PI...

Страница 25: ...e connection is a 2 in female PVC pipe fitting extending through the left side of the furnace top plate This opening has a protective cap which should be removed just prior to installing the exhaust p...

Страница 26: ...w model only has a new drain system There is a third port on the drain trap marked by a red cap for the hose attached to the induced draft motor Remove plug in inducer drain hose and remove cap off dr...

Страница 27: ...elbow pointing through the knockout Connect the 1 2 in pipe and tee as noted above Route the drain hoses behind the control box cut to the appropriate length and connect to the trap with hose clamps...

Страница 28: ...P IGNITOR MANIFOLD GAS VALVE UNION DRIP LEG GROMMET IN NORMAL POSITION 4 TO 5 FEET ABOVE FLOOR REQ D BY SOME UTILITIES MANUAL GAS STOP BURNERS UPFLOW line as close to the furnace as possible Always us...

Страница 29: ...CALCULATED BASED ON ELEVATION AND GAS HEATING VALUE THE BURNER ORIFICES MAY OR MAY NOT NEED TO BE CHANGED SEE THE SECTION TITLED HIGH ALTITUDE INSTALLATIONS OF THIS BOOK FOR INSTRUCTIONS NOTE Furnace...

Страница 30: ...he U Tube manometer 6 Replace the pressure tap plug before turning on the gas Turn on gas and check for leaks If the supply gas line pressure is above these ranges install an in line gas regulator to...

Страница 31: ...496 Example LP Input BTU requirement of unit 120 000 Equivalent length of pipe 60 ft 3 4 IPS required 9 Note or adjust the manifold pressure to give A 1 7 w c for natural gas low fire B 4 8 w c for L...

Страница 32: ...igure 28 NOTE If grounding screw is not replaced furnace will not operate Flame cannot be sensed THIS FURNACE IS EQUIPPED WITH A BLOWER DOOR SAFETY SWITCH DO NOT DISABLE THIS SWITCH FAILURE TO FOLLOW...

Страница 33: ...install the thermostat on an outside wall or where it will be influenced by drafts concealed hot or cold water pipes lighting fixtures radiation from fireplace rays of sun lamps television radios or a...

Страница 34: ...rly see Troubleshooting diagram IMPORTANT Only two furnaces on a single thermostat NOTE Furnaces that are twinned cannot share a common return or supply ducts TWO STAGE TWINNING OPERATION USING A SING...

Страница 35: ...35 FIGURE 31 UT Electronic Controls 1095 104 IFC TWINNING CONNECTION SINGLE STAGE OPERATION...

Страница 36: ...36 FIGURE 32 UT ELECTRONIC CONTROLS 1095 104 CONTROL BOARD TWINNING CONNECTION TWO STAGE OPERATION...

Страница 37: ...ed 4 per thousand feet reduction in input as specified by the National Fuel Gas Code NFGC Specific orifices should always be recalculated for all high altitude installations as outlined below Orifices...

Страница 38: ...12 600 12 000 11 400 10 800 10 200 9 600 All calculations are performed by using the first three columns of information only Before beginning any calculations determine the individual burner Btu size...

Страница 39: ...is acceptable as described in Table 9 The information in Table 9 is based on a heating value of 1000 BTU per cubic feet of natural gas and 2500 BTU per cubic feet of LP gas IMPORTANT Actual input rat...

Страница 40: ...f operation with a single stage thermostat a Connect the W terminal on the thermostat to the W2 terminal on the IFC Do not connect any wire to W on IFC when using a single stage thermostat b When ther...

Страница 41: ...heat after 1st stage R and W2 thermostat contacts close calling for 2 stage heat The induced draft motor then switches to high speed and the high pressure switch contacts will close The gas valve swit...

Страница 42: ...fire and 4 8 W C on low fire at the gas control valve For elevations up to 8 000 feet rating plate inputs apply For high altitudes elevations 5 000 ft and over the orifice spud must be changed SETTIN...

Страница 43: ...re from the supply air temperature The difference is the temperature rise 5 Compare the measured temperature rise to the approved temperature rise range listed on the furnace name plate See Figure 37...

Страница 44: ...requirements of the particular installation Reconnect the unused motor leads to M1 or M2 Check motor lead color for speed designation Heating speeds should not be reduced where it could cause the fur...

Страница 45: ...1 FILTER FILTER SUPPORT ANGLE AE 61883 01 FILTER ROD SUPPORT ANGLE AE 60520 01 JACKET DRILL 2 3 16 DIA HOLES 8 000 4 875 1 531 CUT OUTUSING EMBOSSED ANGLES AS AGU IDE FOR PROPERSI ZE CUT OUT AND DRILL...

Страница 46: ...r cleaners are used in the system it is important that the airflow is not reduced to maximize system performance and life Always verify that the system s airflow is not impaired by the filtering syste...

Страница 47: ...47 FIGURE 39 TROUBLESHOOTING CHART Go to F Go to I HAZARDOUS VOLTAGE LINE VOLTAGE CONNECTIONS DISCONNECT POWER BEFORE SERVICING SERVICE MUST BE BY A TRAINED QUALIFIED SERVICE TECHNICIAN...

Страница 48: ...48 FIGURE 39 TROUBLESHOOTING CHART CONTINUED Go to D Go to D Go to C Go to F 1...

Страница 49: ...49 FIGURE 40 WIRING DIAGRAM UPFLOW DOWNFLOW HORIZONTAL BLOWER INDUCED DRAT GAS FIRED FORCED AIR FURNACE TWO STAGE HEAT SINGLE STAGE COOL DIRECT SPARK IGNITION...

Страница 50: ...50...

Страница 51: ...51...

Страница 52: ...52 CM 0206...

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