Previous Page. Next Page. A series two-stage 4-way multipoise, variable speed condensing 15 pages. A series; preferred series single-stage 4-way multipoise condensing 17 pages. Preferred series; a series single-stage 4-way multipoise condensing 15 pages.
A series preferred series two-stage 4-way multipoise condensing gas furnace 15 pages. Single stage 4-way multipoise condensing gas furnace series b 80 pages. Preferred two-stage 4-way multipoise, variable speed condensing gas furnace, series a 19 pages. Series d deluxe 4-way multipoise variable-capacity direct-vent condensing gas furnace 44 pages. For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in part for residential purposes, including those owned or operated by the Commonwealth and where the side wall exhaust vent termination is less than seven 7 feet above finished grade in the area of the venting, including but not limited to decks and porches, the following requirements shall be satisfied These words are used with the safety- -alert symbol.
Page 5: Accessories 7. Refer to Air Ducts section. See Product Data Sheet for a list of accessories for this product S be provided ample space for servicing and cleaning.
When the furnace is installed in a residential garage, the Do not install the furnace on its back or hang furnace with burners and ignition sources must be located at least 18 in. Page 7 A Fig. Provide the space with sufficient air for proper combustion, ventilation, and dilution of flue gases using permanent hori- Introduction zontal or vertical duct s or opening s directly communicat- Direct Vent 2- - pipe Applications ing with the outdoors or spaces that freely communicate with the outdoors.
The kit contains a rubber Casing Grommet When the furnace is installed in the upflow position, it is not designed to seal between the furnace casing and the condensate necessary to relocate the condensate trap or associated tubing.
Page 12 For Horizontal Left only: cause cracks, and possible water damage may occur. Freeze protection of the condensate trap is required when the furnace is S Connect the relief tube to the relief port of the condensate trap. Page 13 Remove pressure switch tube from pressure switch port. Remove relief tube from relief port on condensate trap.
Remove tube from Remove trap from relief port. Loosen clamp on inlet Remove middle and bottom plugs. Route tube through inducer stand-offs Trim excess tube.
Page 14 Remove plug from collector box. If alternate vent position is required, loosen clamp on inlet of vent elbow. Remove trap from collector box. Page 15 Remove trap from collector box.
If alternate vent position is required, loosen clamp Remove relief tube on vent elbow inlet. Remove pressure switch tube from port on collector box. Remove relief tube from port on collector box. See Fig. Prime the bare end of the pipe with CPVC primer. In the Upflow or Downflow orientation, the condensate trap is Route the offset pipe behind the inducer assembly and inside the furnace casing.
Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing, safety glasses and gloves when handling parts, and servicing furnaces. Install another nut on other side of furnace base. Install flat washer if desired. Upflow Installation 4. Adjust outside nut to provide desired height, and tighten in- NOTE: The furnace must be pitched forward as shown in Fig.
Page Filter Arrangement Return Air Connections bottom return air is used in downflow applications. To remove bottom closure panel, perform the following: The return- -air duct must be connected to bottom of the furnace. Tilt or raise furnace and remove 4 screws holding bottom The side of casing that faces downward may also be used for return plate.
Block Off in. Screws in. Media Cabinet in. A A Fig. A Fig. General Requirements Ductwork passing through unconditioned space should be The duct system should be designed and sized according to insulated to enhance system performance. When air conditioning is accepted national standards such as those published by: Air used, a vapor barrier is recommended. See Notes 1 and 2.
Secure power cord to J- -Box bracket with a strain relief bushing or a connector approved for the type of cord used. If necessary, loosen power wires from strain—relief wire- -tie on furnace wiring harness. If the furnace is to be Connect an accessory 24 VAC, 0.
Heat pump MUST have a high pressure switch for dual fuel applications. Refer to outdoor equipment Installation Instructions for additional information and setup procedure. Page Venting Systems A furnace shall not be connected to a chimney flue serving a U. Installations: Section 9. Air for Combustion and Ventilation and applicable provisions of the local building codes. If the recalculated Maximum Vent Length is with inputs greater than 35, btuh. Page Installing The Vent Termination 2. Rotate the vent elbow to the required position.
There are to insertion mark. Quickly apply approved cement to end of rounded notches in the vent elbow to align it with the pipe and fitting socket over primer. Apply cement in a inducer housing for each orientation. Page 42 two-pipe or single pipe vent systems, a flashing for each pipe of the 1. Cut one 4- -in. It is recommended that the flashing be installed by a roofer or 2. Use Table 14 - Deductions from Maximum Equivalent Vent Length to determine allowable vent length for each application.
M 0 to Ft. M to 10, Ft. Page 46 Attach gaskets to vent pipe and Vent Coupling and Adapter combustion air adapters. Page 47 Any other unused knockout may be used for combustion air Any other unused connection. A A Any other unused knockout may be used for combustion air connection. Page 48 Rotate vent elbow to required position. Rotate vent elbow to required position. Any other unused knockout may be used for combustion air connection. See Product Data for current kit number.
Attach vent pipe adapter with gasket to furnace casing. Align notches in rubber coupling over standoffs on adapter. Slide clamps over the coupling. Slide vent pipe through adapter and coupling into vent elbow.
Installation 2 Clearance above grade, veranda, porch, deck, bal- 12 in. Page 54 Roof T e rm ination Pref erred At least 36 in. Your unit may differ in appearance or may not include all components shown. Determine air conditioning tonnage used. Configure the switches for the required cooling airflow.
Furnace must have a v power supply properly connec- 5. Never redrill an orifice. A burr- -free and squarely aligned orifice hole is essential for proper flame characteristics. If not previously done, purge the lines after all connections have See Example 1.
Page 59 4. Turn on furnace power supply. Safety limit control — a safety control intended to prevent an unsafe condition of temperature, pressure, b Normal operation shall be considered the provision of 10 Btuh 3 kW per brakehorsepower for 4-cycle engines and 13 Ptopane 4 kW per brake horsepower for 2-cycle engines.
Factory-built chimney — see Chimney. Fast-closing valve — an automatic valve that has a closing time of less than 5 s upon being de-energized. A draft hood may be built into an appliance, attached to an appliance, or made b Piping, tubing, or fittings previouslyused with other gases may be reused with natural gas, provided that a it is ascertained that the piping, tubing, or fittings to be used are equivalent to new material; and b the piping, tubing, or fittings to be used are cleaned, inspected, and tested.
Service regulator — a pressure regulator installed on a service line to control the pressure of the gas delivered to the customer. This provision shall not apply to tubing that passes directly through walls or partitions. Notes to figures and tables, however, areconsidered part b For the purposes of installation of pressure regulators with prooane leak limiting system, a intallation space should not be considered a confined space.
Fast-closing valve — see Valve. Dwelling unit — a housekeeping unit used or intended to be used as a domicile by one or more persons, and usually containing cooking, eating, living, sleeping, and sanitary facilities.
This increase shall be made at the connection on the device. The minimumsize of pipe, tubing, and fittings shall be determined in accordance with Clause 6. Les mer om abonnement. The heating of the medium being used occurs at a point remote from the vaporizer. Users of the Code are advised that the change markers in the text are not intended to be all-inclusive and are provided as a convenience only; such markers cannot constitute a ihstallation guide to the revisions made to the Code.
The definition was changed to exclude appliances certified as water heaters. Cylinder valve — a valve fitted to a cylinder. When inspecting installations one must use the Code in existence at the time the installation was installed as Codes are generally not retroactive. SI metric equivalents may be approximate. January 49 Replaces p.
Internal valve — a valve designed and installed so that its seat is within a tank and the arrangement of the parts imstallation the valve is such that damage to the parts outside the tank will not prevent effective seating of b The minimum size of pipe, tubing, and fittings shall be determined in accordance with good engineering practice, such as a by the use of Tables A.
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