105564-UIM-A-0205
Unitary Products Group
27
NOTES
Страница 1: ...TWINNING AND STAGING 9 COMBUSTION AIR AND VENT SYSTEM 11 CONDENSATE PIPING 18 SAFETY CONTROLS 18 START UP AND ADJUSTMENTS 19 WIRING DIAGRAM 25 LIST OF FIGURES Dimensions 5 Furnace Base Rectangular Bl...
Страница 2: ...ational vehicles Failure to carefully read and follow all instructions in this manual can result in furnace malfunction death personal injury and or property damage Furnaces for installation on combu...
Страница 3: ...required for passage to the front when servicing or for inspection or replacement of flue vent connections In all cases accessibility clearances shall take precedence over clear ances for combustible...
Страница 4: ...sure drop across any applied coil TABLES 2 AND 3 are to be used as a guide only to help the installer determine if the duct sizes are large enough to obtain the proper air flow CFM through the furnace...
Страница 5: ...1 for unit and plenum dimensions Attic installations must meet all minimum clearances to combustibles and have floor support with required service accessibility The supply air temperature MUST NEVER e...
Страница 6: ...ctions in this section specify the type of gas approved for this furnace only use those approved gases The instal lation of a drip leg and ground union is required Refer to Figure 4 IMPORTANT An acces...
Страница 7: ...ing a wrench to the body of the gas valve will damage the valve causing improper operation and or the valve to leak TABLE 5 High Altitude Conversion 40 120 MBTUH Models Type Of Gas Orifice at Sea Leve...
Страница 8: ...ernate wiring method is to use a field provided 2 5 08 cm x 4 10 2 cm box and cover on the outside of the furnace Route the furnace leads into the box using a protective bushing where the wires pass t...
Страница 9: ...using the same duct system it is very important that the two furnace cir culating air blowers operate in unison If one blower starts before the second blower the duct system will become pressurized an...
Страница 10: ...then will shut off at the same time Continuous Fan On a thermostat call for continuous fan G signal both furnace blowers will come on at the same time in cooling speed and will stay on until the G sig...
Страница 11: ...ow a maximum of 5 elbows in the combustion air piping and a maximum of 5 elbows in the vent piping 4 Three vent terminal elbows two for vent pipe and one for air intake pipe are already accounted for...
Страница 12: ...n air systems from the furnace to the out side termination B Ventilated combustion air systems from the furnace to the attic or crawl space termination 6 Disassemble the combustion air and vent piping...
Страница 13: ...0 kW 36 inches 91 cm for models 100 000 BTUH 30 kW Two pipe direct vent applications 9 inches 23 cm for models 50 000 BTUH 15 kW 12 inches 30 cm for models 50 000 BTUH 15 kW Single pipe applications 4...
Страница 14: ...ombustion air systems must be installed so the vent and the combustion air pipes terminate in the same atmospheric zone Refer to Figures 15 or 16 VENTING MULTIPLE UNITS Multiple units can be installed...
Страница 15: ...ll bring air in from the outdoors to the furnace combustion air intake collar on the burner box The second pipe Shown in Figure 19 is the furnace vent pipe The combustion air intake pipe should be loc...
Страница 16: ...e louver is in the fully open position This type of installation requires that the supply air to the appli ance s be of a sufficient amount to support all of the appliance s in the area Operation of a...
Страница 17: ...sage Follow all notes procedures and required materials in the SEALED COMBUS TION AIR SUPPLY section in these instructions when installing the combustion air pipe from the unit and into a ventilated a...
Страница 18: ...p pump must be approved for use with acidic condensate CONDENSATE DRAIN TRAP AND DRAIN FREEZE PROTECTION Special precautions MUST be made if installing furnace in an area which may drop below freezing...
Страница 19: ...th x 1 8 0 3 cm diameter tubing 2 pieces of 4 10 cm length x 1 8 0 3 cm diameter tubing 1 5 16 0 8 cm tee 1 5 16 0 8 cm x 1 8 0 3 cm reducing coupling 1 1 8 0 3 cm adapter 1 Dwyer Manometer These item...
Страница 20: ...3600 then divided by the time it took to measure 0 10 m3 of gas from the gas meter For Propane LP Gas multiply the Heat content of the gas MJ m3 or Default 93 15 times 0 10 m3 of gas measured at the...
Страница 21: ...l reference atmo spheric pressure Refer to Figure 26 for connection details IMPORTANT The cap for the pressure regulator must be removed entirely to gain access to the adjustment screw Loosening or ti...
Страница 22: ...s user selection of the blower speed that is energized during continuous fan operation Place jumper on the HI COOL LO COOL or HEAT pins The blower speed connections shown in Figure 27 are typical How...
Страница 23: ...35 1175 33 1105 31 1045 30 990 28 905 25 890 25 790 22 80 1600 C 100 1600 C HIGH 1960 56 1955 55 1925 55 1890 54 1830 52 1765 50 1695 48 1615 46 1600 45 1485 42 M HI 1565 44 1560 44 1560 44 1575 45 15...
Страница 24: ...that total system static is 0 58 w c To determine the system airflow complete the follow ing steps Obtain the airflow values at 0 50 w c 125 Pa 0 60 w c 150 Pa ESP Airflow 0 50 2285 CFM 64 70 m3 min A...
Страница 25: ...105564 UIM A 0205 Unitary Products Group 25 SECTION XI WIRING DIAGRAM FIGURE 28 Wiring Diagram...
Страница 26: ...105564 UIM A 0205 26 Unitary Products Group NOTES...
Страница 27: ...105564 UIM A 0205 Unitary Products Group 27 NOTES...
Страница 28: ...change without notice Printed in U S A 105564 UIM A 0205 Copyright by York International Corp 2005 All rights reserved Supersedes 035 20377 002 Rev A 0904 Unitary 5005 Norman Product York OK Group Dr...
