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OPTIONAL ACCESSORIES
Model Number
Description
BAYBASE205
Downflow subbase for downflow models only
BAYFLTR200
External side filter rack
BAYFLTR203
Filter kit horizontal for 17.5" cabinet
BAYFLTR204
Filter kit horizontal for 21" cabinet
BAYFLTR205
Filter kit horizontal for 24.5" cabinet
BAYFLTR317
Cleanable filter for 17.5" cabinet upflow only
BAYFLTR321
Cleanable filter for 21" cabinet upflow only
BAYFLTR324
Cleanable filter for 24.5" cabinet upflow only
BAYLPKT210B
Propane conversion kit
BAYLPSS210B
LP kit with stainless steel burners
BAYMFGH100A
Manufactured / mobile home kit
BAYRACK960A
Internals filter rack kit for upflow models
BAYAIR30AVENTA
Concentric vent kit for 2,2.5,3" vent system
BAYVENT200B
Sidewall vent termination kit for direct vent furnaces
BAYVENT500A
Side vent kit for downflow models only
BAYSWT01AHALTA
High altitude switch kit - UF/DF 040, DF 085
BAYSWT04AHALTA
High altitude switch kit - UF 060, 100, UF 120
BAYSWT05AHALTA
High altitude switch kit - UF 080, 100, DF 110
BAYSWT12AHALTA
High altitude switch kit - DF 065
KIT09224
Filter clip kit
BAYBRCKFLT10
Downflow bracket kit
© 2012 Ingersoll Rand All Rights Reserved
INSTALLER'S GUIDE
Upflow/ Horizontal, Downflow/ Horizontal, Gas-Fired, Direct Vent
Condensing Furnaces
M951P040BU24AA
M951P060BU36AA
M951P080BU42AB
ALL phases of this installation must comply with
NATIONAL, STATE AND LOCAL CODES
IMPORTANT — This Document is customer property and is to
remain with this unit. Please return to service
information pack upon completion of work.
M951P100CU48AA
M951P040BD24AA
M951P100DU60AA
M951P065BD42AA
M951P120DU60AA
M95 Furnace
M95 Upflow models can also be used in the
Horizontal Left configuration.
M95 Downflow models can also be used in the
Horizontal Right configuration.
18-CD35D1-4
M951P085CD48AA
M951P110DD60AA
A341624P16
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Summary of Contents for Ingersoll-Rand M951P040BU24AA
- Page 1 18-CD35D1-4 INSTALLER'S GUIDE Upflow/ Horizontal, Downflow/ Horizontal, Gas-Fired, Direct Vent Condensing Furnaces M951P040BU24AA M951P100CU48AA M951P040BD24AA M951P085CD48AA M951P060BU36AA M951P100DU60AA M951P065BD42AA M951P110DD60AA M951P080BU42AB M951P120DU60AA ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES IMPORTANT — This Document is customer property and is to remain with this unit.
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Page 2: Installation Instructions
INSTALLER’S GUIDE INSTALLATION INSTRUCTIONS substantial completion of the construction process, SAFETY SECTION and verify furnace operating conditions including The following safety practices and precautions must be followed ignition, input rate, temperature rise and venting, during the installation, servicing, and operation of this furnace. according to the manufacturer’s instructions. -
Page 3: Table Of Contents
INSTALLER’S GUIDE Contents Safety signal words are used to designate a degree or level of seriousness associated with a particular hazard. The signal INSTALLATION INSTRUCTIONS ..2 words for safety markings are WARNING and CAUTION. WARNING indicates a potentially hazardous General Installation Instructions ........3 situation which, if not avoided, could result in death Location and Clearances .......... -
Page 4: Location And Clearances
INSTALLER’S GUIDE LOCATION AND CLEARANCES CAUTION The location of the furnace is normally selected by the architect, To prevent shortening its service life, the furnace the builder, or the installer. However, before the furnace is moved should not be used as a “Construction Heater” into place, be sure to consider the following requirements: during the finishing phases of construction Is the location selected as near the vent and as centralized... -
Page 5: Outline Drawings
INSTALLER’S GUIDE 18-CD35D1-4... - Page 6 INSTALLER’S GUIDE 18-CD35D1-4...
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Page 7: Upflow Installation
INSTALLER’S GUIDE UPFLOW INSTALLATION The cased coil must be secured to the furnace and both the A (width) furnace and the cased coil must be properly supported. B (depth) FURNACE The coil is always placed downstream of the furnace airflow. FRONT HORIZONTAL INSTALLATION The coil and furnace must be fully supported when used in the... -
Page 8: Air For Combustion And Ventilation
INSTALLER’S GUIDE OUTSIDE AIR IS RECOMMENDED The use of indoor air for most applications is acceptable, unless there is the presence of corrosive chemicals or contamination. 6" Minimum Certain types of installation will require the use of outside air for combustion. - Page 9 INSTALLER’S GUIDE TABLE 2 MINIMUM AREA IN SQUARE FEET FOR UNCONFINED SPACE INSTALLATIONS WITH 8 FT. CEILING FURNACE MAXIMUM MINIMUM AREA IN SQUARE FEET OF BTUH INPUT RATING UNCONFINED SPACE 40,000 60,000 80,000 97,000 110,000 CONFINED SPACE All air from inside the building as in Figure 8: The confined space shall be provided with two permanent openings communicating directly with an additional room(s) of sufficient volume so that the combined...
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Page 10: Duct Connections
INSTALLER’S GUIDE DUCT CONNECTIONS If a 3/4" flange is to be used for attaching the air inlet duct, add to cut where indicated by dashed lines in Figure 11. Air duct systems should be installed in accordance with standards Cut corners diagonally and bend outward to form flange. for air conditioning systems, National Fire Protection Association If flanges are not required and a filter frame is installed, cut Pamphlet No. -
Page 11: Return Air Filters
INSTALLER’S GUIDE TABLE 4 REMOVE FILTER FROM UPFLOW FURNACE WHEN RETURN DUCT IS MINIMUM CLEARANCE FROM COMBUSTIBLE MATERIALS FOR UPFLOW/HORIZONTAL LEFT AND DOWNFLOW/ ATTACHED TO FURNACE TOP SIDE HORIZONTAL RIGHT FURNACES (HORIZONTAL APPLICATIONS) UNIT FILTER SHOWN. LOCATION HORIZONTAL FURNACE VERTICAL HORIZONTAL ALCOVE / SURFACE... -
Page 12: General Venting
INSTALLER’S GUIDE TABLE 5 The recommended system is assembled from 2", 2-1/2", or 3" plastic pipe and fittings (See Table 10). Where the system CABINET FILTER FILTER BRACKET is routed to the outdoors through an existing masonry chimney WIDTH SIZE LOCATION * containing flue products from another gas appliance, or where 14-1/2"... -
Page 13: Venting Material
INSTALLER’S GUIDE or “Exhibit J” of ANSI Z21.47 • CAN/ CGA-2.3 Standards. DO NOT ALLOW PRIMER TO DRY BEFORE APPLYING The following are general steps to be used to correct or resize CEMENT. a remaining vent system when a furnace which may not be Apply a thin coat of cement evenly in the socket. -
Page 14: Venting Tables
& FITTINGS FITTINGS FITTINGS FITTINGS & FITTINGS FITTINGS FITTINGS M951P040BU24AA M951P060BU36AA M951P080BU42AB M951P100CU48AA M951P100DU60AA M951P120DU60AA NOTES: *First letter may be "A" or "T", NA = NOT ALLOWED 1. The INLET AIR of one pipe systems require the installation of a 90° elbow (to prevent dust and debris from falling straight into the furnace) and a 2 foot horizontal or vertical straight pipe section connected before or after the elbow. - Page 15 INSTALLER’S GUIDE NOTE: IMPORTANT: To ensure proper operation at the vent lengths Products installed in Canada must use vent indicated, the combustion air inlet and vent systems that are certified to the Standard for Type terminals should be in the same pressure BH Gas Venting Systems (ULC S636) for Class II-A zone.
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Page 16: Horizontal Venting
INSTALLER’S GUIDE Table 10 - See Figure 17-Direct Vent Terminal Canadian Installations US Installations Clearances Clearance above grade, veranda, porch, 12 inches (30 cm) 12 inches (30 cm) deck, or balcony 6 inches (15 cm) for appliances =/< 6 inches (15 cm) for appliances =/< 10,000 10,000 Btuh (3 kw), 12 inches (30 cm) for Btuh (3 kw), 9 inches (23 cm) for appliances Clearance to window or door that may be... - Page 17 INSTALLER’S GUIDE Table 11 - See Figure 17 Non-Direct Vent Canadian Installations US Installations Terminal Clearances Clearance above grade, veranda, porch, 12 inches (30 cm) 12 inches (30 cm) deck, or balcony 6 inches (15 cm) for appliances =/< 10,000 Btuh (3 kw), 12 inches (30 cm) for Clearance to window or door that may be 4 feet (1.2m) below or to the side of appliances >...
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Page 18: Venting Through Roof
INSTALLER’S GUIDE ELBOW AND TEE MUST BE AS CLOSE TOGETHER AS POSSIBLE POSSIBLE CONFIGURATIONS FOR TWO PIPE VENTING SYSTEMS FLUE GAS DEGRADATION – The moisture content of the VENTING THROUGH ROOF flue gas may have a detrimental effect on some building materials. When penetrating roof with a 2"... - Page 19 INSTALLER’S GUIDE PVC WALL ANCHORS COUPLING MOUNT FLANGE (4 req.) (PLASTIC (OPTIONAL) VENTING) VENT PLATE 6 IN. MIN. APPROVED VENT (TO JOINT) TERMINATION 3.2" 12" MINIMUM TO OVERHANG COMBUSTION SCREWS (4 req.) VENT 12” MINIMUM ABOVE VENT CEMENT NORMALLY EXPECTED MORTAR SEAL MAINTAIN 12"...
- Page 20 INSTALLER’S GUIDE NOTE: VENT AND INLET MUST BE SUPPORTED AT A MAXIMUM OF 3' INTERVALS SEE VENTING TABLE STRAPS OR OTHER SUITABLE SUPPORTS USE ONLY AT MAXIMUM OF 3'-0" INTERVALS APPROVED TERMINATION COMBUSTION AIR INLET UPWARD PITCH -- 1/4" PER FOOT FIRST SUPPORT SHOULD BE AS CLOSE TO FURNACE CONNECTION OUTSIDE...
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Page 21: Venting Through A Masonry Chimney
INSTALLER’S GUIDE DOWNWARD VENTING NOTE: Both venting methods shown in Figure 30 and 32 Furnace may be in vertical or horizontal configuration. must also have the combustion air inlet installed, DOWNWARD VENT meeting dimension requirements of Figure 26. LENGTH IS LIMITED TO A MAXIMUM OF 15 EQUIVALENT FEET. - Page 22 INSTALLER’S GUIDE SEAL BETWEEN FLANGE, PIPE, COUPLING AND METAL PANEL WITH HI TEMP RTV SILICONE SEALANT FLUE PIPE COUPLING SUPPORT FLANGE CEILING GALVANIZED FIRESTOP SHOULD BE FABRICATED WITH 3-7/8" DIA. HOLE FOR SUPPORT FLANGE (12" x 12" PANEL OR 12" DIA MIN.) CLEARANCE ( 0"...
- Page 23 INSTALLER’S GUIDE IMPORTANT: b. In the event that the requirements of this The Commonwealth of Massachusetts requires subdivision can not be met at the time of compliance with regulation 248 CMR 4.00 and 5.00 completion of installation, the owner shall have for installation of through –...
- Page 24 INSTALLER’S GUIDE HORIZONTAL INSTALLATION CONDENSATE DRAIN INSTRUCTIONS Upflow/ Horizontal VERTICAL APPLICATIONS CAUTION NOTE: In horizontal venting when the factory supplied “off-set” (2X3 reducing coupling) is It is recommended that a drain pan be installed used for 3” vent pipe installation, make sure under the furnace to prevent property damage or the marking “Top”...
- Page 25 INSTALLER’S GUIDE HORIZONTAL APPLICATIONS Upflow and Downflow furnaces - All horizontal applications are left side only. It is always recommended that the auxiliary drain pan be installed under a horizontally installed evaporator and/or 95% gas furnace. Connect the auxiliary drain pan to a separate drain line (no trap is needed in this line).
- Page 26 INSTALLER’S GUIDE Evaporator and furnace condensate drain piping may be NOTE: manifolded together as shown in Figure 42. A primary drain Use 1/2" or larger PVC or CPVC pipe and fittings vent stack must be installed and terminated below the outlet of as required for drain connections (fittings, the secondary heat exchanger drain connection to prevent water pipe and solvent cement not provided).
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Page 27: Electrical Connections
INSTALLER’S GUIDE FIELD WIRING DIAGRAM FOR 1 STAGE FURNACE 1 STAGE HEATING, 1 STAGE COOLING USING A 1 STAGE HEATING, 1 STAGE COOLING THERMOSTAT (OUTDOOR SECTION WITHOUT TRANSFORMER) FURNACE OUTDOOR UNIT (NO TRANSFORMER) NOTE 6 NOTE 8 TO 115 V 1 PH., 60 HZ., POWER SUPPLY PER LOCAL CODES... - Page 28 INSTALLER’S GUIDE TWINNING CONNECTION DIAGRAM FOR TWINNING 1 STAGE FURNACES WITH SINGLE WIRE TWINNING FEATURE 1 STAGE HEAT 1 STAGE HEATING ONLY THERMOSTAT ONLY THERMOSTAT (WITH FAN SWITCH) FURNACE NO. 1 FURNACE NO. 2 BLOWER OPERATION OF UNIT NO. 2 IS SYNCRONIZED WITH UNIT NO.
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Page 29: Gas Piping
INSTALLER’S GUIDE GAS PIPING closing its individual manual shut-off valve during any pressure testing of the gas supply piping system at test pressures equal to The upflow/ horizontal furnace is shipped standard for left side or less than 1/2 psig (3.5 kPa). installation of gas piping. -
Page 30: Combustion And Input Check
MODEL RATING obtained from the utility company and compare to the BTUH BURNERS NAT. LP GAS nameplate rating. This must not exceed the nameplate M951P040BU24AA 40,000 rating. M951P060BU36AA 60,000 Gas Valve Adjustment M951P080BU42AB 77,000 Changes can be made by adjusting the manifold pressure (See... - Page 31 MODEL FUEL PRESSURE leaks at the pressure outlet boss and pressure tap test NATURAL GAS LP GAS screw. M951P040BU24AA 3.5" W.C. 11.0" W.C. 10. Turn on system power and check operation of the unit. M951P060BU36AA 3.5" W.C. 11.0" W.C. M951P080BU42AB 3.5"...
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Page 32: High Altitude Derate
INSTALLER’S GUIDE ROTATE THE FRONT & HIGH ALTITUDE DERATE COVER AS SHOWN Input ratings (BTUH) of these furnaces are based on sea level operation and should not be changed at elevations up to 2,000 ft. INSERT THE TOP LANGE OF THE FRONT COVER If the installation is 2,000 ft. -
Page 33: Start Up And Adjustment
INSTALLER’S GUIDE See Table 16 and 17 for help in selecting orifices if orifice change START UP AND ADJUSTMENT is required. Furnace input rate and temperature rise should be PRELIMINARY INSPECTIONS checked again after changing orifices to confirm the proper rate for the altitude. -
Page 34: Sequence Of Operation
INSTALLER’S GUIDE When the furnace reaches the maximum outlet temperature as To shut off. shown on the rating plate, the burners must shut off. If they do For complete shut-down: Flip the switch on the main gas valve not shut off after a reasonable time and overheating is evident, to the “OFF”... - Page 35 INSTALLER’S GUIDE INSTRUCTION TO OWNERS receive a signal warning of the accumulation of condensate in the heat exchanger assembly. The pressure switch contacts WARNING will open and remain open, not allowing unit operation. The unit will not operate until the condensate drain has been EXPLOSION HAZARD cleared, and the condensate flows freely.
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Page 36: Abnormal Conditions
INSTALLER’S GUIDE ABNORMAL CONDITIONS IFC ERROR FLASH CODE INTEGRATED FURNACE CONTROL ERROR FLASH CODES Flashing Slow Normal - No call for Heat Flashing Fast Normal - Call for Heat Continuous ON Replace IFC Continuous OFF Check Power System Lockout (Retries or Recycles 2 Flashes exceeded) Draft Pressure Error - Possible problems...
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