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272313-UIM-A-0407

Unitary Products Group

SECTION X: WIRING DIAGRAM

FIGURE 27:

Wiring Diagram

Содержание PT9-UP

Страница 1: ...AS PIPING 7 ELECTRICAL POWER 8 COMBUSTION AIR AND VENT SYSTEM 13 CONDENSATE PIPING 20 SAFETY CONTROLS 21 START UP AND ADJUSTMENTS 21 WIRING DIAGRAM 29 LIST OF FIGURES Dimensions 6 Gas Valve 7 Gas Pipi...

Страница 2: ...ible materials as listed under Clearances to Combustibles in Table 1 Provide clearances for servicing ensuring that service access is allowed for both the burners and blower These models ARE NOT CSA l...

Страница 3: ...or and the furnace must be located or protected to avoid physical damage by vehicles The furnace area must not be used as a broom closet or for any other storage purposes as a fire hazard may be creat...

Страница 4: ...TE When attaching duct flange do not shoot the screw down into the casing Use the formed flange intended for duct flange attachment The duct system is a very important part of the installation If the...

Страница 5: ...er This access cover shall be attached in such a manner as to prevent leaks TABLE 2 Minimum Duct Sizing For Proper Airflow Input Airflow Return1 Rectangular2 Round2 Supply3 Rectangular2 Round2 BTU H k...

Страница 6: ...combustibles and have floor support with required service accessibility IMPORTANT If an external mounted filter rack is being used see the instructions provided with that accessory for proper hole cu...

Страница 7: ...m of the fur nace The furnace must be isolated from the gas supply piping system by closing its individual external manual shutoff valve during any pressure testing of the gas supply piping system at...

Страница 8: ...67 1100 3 2 2 7 2 4 41 0 0 80 0 66 0 61 2500 LP 9 8 8 2 7 5 93 2 LP 2 44 2 03 1 86 TABLE 6 Nominal Manifold Pressure Low Fire First Stage Manifold Pressures in wc First Stage Manifold Pressures kpa A...

Страница 9: ...wiring connections on the thermostat to the terminal board on the ignition module as shown in Figures 5 6 Electronic thermostats may require the common wire to be connected as shown in Figures 5 6 Ap...

Страница 10: ...unction Light E W1 First Stage Heat G Fan G Fan Connection of the C Termainal 24 Volt Common is optional when used with batteries Thermostat Installer Setup Number 1 System Type must be set to 6 2 Hea...

Страница 11: ...SG Bonnet Sensor Bonnet Sensor Optional BS Bonnet Sensor W2 Second Stage Auxiliary Heat W2 Second Stage Auxiliary Heat AUX Auxiliary Heat E W1 First Stage Auxiliary Heat E W1 First Stage Auxiliary Hea...

Страница 12: ...gas supplies must be provided as specified with these instruc tions Since the furnaces are side by side with no space between gas supplies must enter on the right and left respectively All gas piping...

Страница 13: ...e with Section 5 3 Air for Combustion and Ventilation of the National Fuel Gas Code Z223 1 NFPA 54 latest edition or Sections 7 2 7 3 or 7 4 of CSA B149 1 National Gas and Propane Codes latest edition...

Страница 14: ...or horizontal models the transition from 2 to 3 pipe should be done immediately after the drain tee or drain elbow 7 In Canada vents shall be certified to ULC S636 Standard for Type BH Gas Venting Sys...

Страница 15: ...the following systems A Sealed combustion 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 Disas...

Страница 16: ...ons 9 inches 23 cm for models 50 000 BTUH 15 kW 12 inches 30 cm for models 50 000 BTUH 15 kW C Clearance to permanently closed window 12 inches 30 cm 12 inches 30 cm D Vertical clearance to ventilated...

Страница 17: ...r systems must be installed so the vent and the combustion air pipes terminate in the same atmospheric zone Refer to Figures 14 or 15 VENTING MULTIPLE UNITS Multiple units can be installed in a space...

Страница 18: ...e The combustion air intake pipe should be located either through the wall horizontal or side vent or through the roof vertical vent Care should be taken to locate side vented systems where trees or s...

Страница 19: ...cm2 60 000 60 387 cm2 80 000 80 516 cm2 100 000 100 645 cm2 120 000 120 774 cm2 FIGURE 20 Outside and Ambient Combustion Air GABLE VENT GAS VENT SOFFIT VENT VENTILATED ATTIC TOP ABOVE INSULATION OPTIO...

Страница 20: ...Air The ventilated attic space or a crawl space from which the combustion air is taken must comply with the requirements specified in AIR SOURCE FROM OUTDOORS in this instruction or in Section 5 3 Air...

Страница 21: ...e controls are mounted on the burner box assembly If the temper ature in the burner box exceeds its set point the ignition control and the gas valve are de energized The operation of this control indi...

Страница 22: ...ll start and come up to speed Shortly after inducer start up the hot surface igniter will glow for about 17 seconds b After this warm up the ignition module will energize open the main gas valve c Aft...

Страница 23: ...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 24: ...shown in Figure 24 The procedure below is used to adjust either the high fire manifold pressure or the low fire manifold pressure IMPORTANT The cap for the pressure regulator must be removed entirely...

Страница 25: ...The furnace control board also allows user selection of the blower speed that is energized during continuous fan operation Place jumper on the HI COOL LO COOL or HEAT pins WITH BURNER BOX COVER IN PL...

Страница 26: ...out Low gas pressure faulty gas valve faulty hot surface ignitor or burner problem may cause this The furnace will lock out for one hour and then restart 8 RED FLASHES This fault is indicated if the...

Страница 27: ...35 33 31 30 28 25 25 22 100 1600 C 80 1600 C High 1960 1955 1925 1890 1830 1765 1695 1615 1600 1485 56 55 55 54 52 50 48 46 45 42 Med High 1565 1560 1560 1575 1545 1530 1475 1425 1365 1260 44 44 44 4...

Страница 28: ...50 w c 125 Pa from the airflow 0 60 w c 150 Pa to obtain airflow difference 2175 2285 110 CFM 3 11 m3 min Subtract the total system static from 0 50 w c 125 Pa and divide this difference by the differ...

Страница 29: ...272313 UIM A 0407 Unitary Products Group 29 SECTION X WIRING DIAGRAM FIGURE 27 Wiring Diagram...

Страница 30: ...272313 UIM A 0407 30 Unitary Products Group NOTES...

Страница 31: ...272313 UIM A 0407 Unitary Products Group 31 NOTES...

Страница 32: ...t to change without notice Printed in U S A 272313 UIM A 0407 Copyright by York International Corp 2007 All rights reserved Supersedes 167487 UIM B 0806 Unitary 5005 Norman Product York OK Group Drive...

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