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707C--K: Installation Instructions

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

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A221588

Fig. 15 – Ladder Wiring Diagram 208/230-3-60

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Содержание Legacy 707C K Series

Страница 1: ... be alert to the potential for personal injury Understand these signal words DANGER WARNING and CAUTION These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies hazards which could result in personal injury or death CAUTION is used to identify unsafe practices which may result in minor person...

Страница 2: ...ion cant strips roofing and flashing Ductwork must be attached to curb IMPORTANT The gasketing of the unit to the roof curb is critical for a water tight seal Install gasketing material supplied with the roof curb Improperly applied gasketing also can result in air leaks and poor unit performance Curb should be level to within 1 4 in 6 35 mm See Fig 4 This is necessary for unit drain to function p...

Страница 3: ...707C K Installation Instructions Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations 3 A221492 Fig 2 24 30 Unit Dimensions ...

Страница 4: ...707C K Installation Instructions Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations 4 A221493 Fig 3 36 48 Unit Dimensions ...

Страница 5: ...ZE CATALOG NUMBER A IN mm B small common base IN mm B large base IN mm Part Number CPRCURB011B00 can be used on both small and large basepan units The cross supports must be located based on whether the unit is a small basepan or a large basepan C IN mm D IN mm E IN mm F IN mm G IN mm H IN mm Smallor Large CPRFCURB011B00 14 356 10 254 14 356 16 406 47 8 1214 32 4 822 2 7 69 30 6 778 46 1 1170 Larg...

Страница 6: ...ork joints and roof openings with counter flashing and mastic in accordance with applicable codes Ducts passing through an unconditioned space must be insulated and covered with a vapor barrier If a plenum return is used on a vertical unit the return should be ducted through the roof deck to comply with applicable fire codes See unit rating plate for any required clearances around ductwork Cabinet...

Страница 7: ...per drainage Make sure that the outlet of the trap is at least 1 in 25 mm lower than the drain pan condensate connection to prevent the pan from overflowing See Fig 8 When using a gravel apron make sure it slopes away from the unit Connect a drain tube using a minimum of 3 4 in PVC or 3 4 in copper pipe all field supplied at the outlet end of the 2 in 51 mm trap Do not undersize the tube Pitch the...

Страница 8: ...ces Adhere to the following criteria when selecting sizing and installing the duct system 1 Units are shipped for side shot installation 2 Select and size ductwork supply air registers and return air grilles according to American Society of Heating Refrigeration and Air Conditioning Engineers ASHRAE recommendations 3 Use flexible transition between rigid ductwork and unit to prevent transmission o...

Страница 9: ...ed more than 100 ft 30 5 m from the unit as measured along the control voltage wires use no 16 AWG color coded insulated 35 C minimum wires Standard Connection Locate the seven eight for 3 phase low voltage thermostat leads in 24 volt splice box A gray wire is standard on 3 phase units for connection to an economizer See Fig 10 for connection diagram Run the low voltage leads from the thermostat t...

Страница 10: ...tions If the electric heater 24V wires do not have a matching plug cut the 24V wires from the unit receptacle strip the ends and wire nut together to match the schematic connections Factory wires are provided for electric heat staging W1 and W2 W2 and W3 on IFB If room thermostat has only one stage of supplemental heat connect white and violet wires shown in Fig 10 to second stage heat field wire ...

Страница 11: ... 6 INDOOR BLOWER Nominal Cooling Airflow Cfm Size in Size mm Motor HP RPM 750 10x10 254x254 1 2 1050 950 10x10 254x254 1 2 1050 1150 11x10 279 4x254 1 2 1000 1350 11x10 279 4x254 3 4 1075 1600 11x10 279 4x254 1 0 1075 1750 11x10 279 4x254 1 0 1040 HIGH PRESSURE SWITCH psig Cut out Reset Auto 650 15 420 25 LOSS OF CHARGE LOW PRESSURE SWITCH psig cut out Reset auto N A RETURN AIR FILTERS Throwaway S...

Страница 12: ...start Observe that compressor and outdoor fan shut down when control setting is satisfied and that indoor blower shuts down after 90 second fan time delay expires IMPORTANT Three phase scroll compressors are direction oriented Unit must be checked to ensure proper compressor 3 phase power lead orientation If not corrected within 5 minutes the internal protector will shut off the compressor The 3 p...

Страница 13: ... coding on the indoor fan motor leads see Table 3 The additional 4 speed tap wires are shipped loose with vinyl caps and are located in the control box near the interface fan board IFB See Fig 11 Single Cooling Fan Speed Set up Dehumidification feature not used To change cooling speed 1 Remove the vinyl cap off of the desired speed tap wire Refer to Table 3 for color coding Add the wet coil pressu...

Страница 14: ...and G These completed circuits through the thermostat connect contactor coil C through unit wire Y and time delay relay TDR through unit wire G across the 24 V secondary of transformer TRAN The normally open contacts of energized contactor C close and complete the circuit through compressor motor COMP to condenser outdoor fan motor OFM Both motors start instantly A set of normally open contacts on...

Страница 15: ... 0 11 0 11 0 11 Med Low Pink CFM 817 744 673 597 516 431 325 190 BHP 0 14 0 15 0 15 0 16 0 17 0 17 0 18 0 18 Medium Red CFM 1159 1104 1045 990 937 878 821 759 693 618 BHP 0 31 0 32 0 33 0 33 0 34 0 35 0 36 0 37 0 37 0 38 Med High Orange CFM 1201 1147 1095 1037 987 934 877 818 755 671 BHP 0 34 0 35 0 36 0 37 0 37 0 38 0 39 0 40 0 41 0 40 High Black CFM 1291 1236 1181 1131 1080 1033 978 909 792 661 ...

Страница 16: ...06 0 06 0 07 0 07 0 08 0 08 0 09 Med Low Pink CFM 1437 1395 1351 1307 1265 1221 1176 1132 1084 1039 BHP 0 29 0 30 0 31 0 32 0 33 0 34 0 35 0 36 0 37 0 38 Medium Red CFM 1771 1735 1699 1664 1627 1592 1557 1522 1486 1450 BHP 0 51 0 52 0 53 0 55 0 56 0 57 0 58 0 59 0 61 0 62 Med High Orange CFM 1928 1897 1862 1830 1796 1764 1732 1698 1620 1512 BHP 0 64 0 65 0 67 0 68 0 69 0 71 0 72 0 73 0 71 0 66 Hig...

Страница 17: ...CFM 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 600 1400CFM 12x20x1 12x20x1 305x508x25 305x508x25 2 0 2 5 0 03 0 05 0 06 0 08 0 10 0 11 0 13 0 14 0 16 1200 1800 CFM 16x24x1 14x24x1 406x610x25 356x610x25 3 5 0 07 0 08 0 09 0 09 0 10 0 11 0 12 1100 2200 CFM 16x24x1 18x24x1 406x610x25 457x610x25 3 0 4 0 5 0 0 02 0 02 0 03 0 03 0 04 0 06 0 08 0 10 0 11 0 13 0 14 0 ...

Страница 18: ... K Installation Instructions Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations 18 A221589 Fig 12 Connection Wiring Diagram 208 230 1 60 ...

Страница 19: ...7C K Installation Instructions Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations 19 A221590 Fig 13 Ladder Wiring Diagram 208 230 1 60 ...

Страница 20: ... K Installation Instructions Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations 20 A221587 Fig 14 Connection Wiring Diagram 208 230 3 60 ...

Страница 21: ...7C K Installation Instructions Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations 21 A221588 Fig 15 Ladder Wiring Diagram 208 230 3 60 ...

Страница 22: ...7C K Installation Instructions Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations 22 A221585 Fig 16 Connection Wiring Diagram 460 3 60 ...

Страница 23: ...707C K Installation Instructions Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations 23 A221586 Fig 17 Ladder Wiring Diagram 460 3 60 ...

Страница 24: ...ations 24 Superheat charging table is derived from optimum performance point 95_F 35_C outdoor ambient and 80_F 27_C dry bulb 67_F 19_C wet bulb indoor condition Where a dash appears do not attempt to check charge or charge unit under these conditions using the superheat method Weigh in method should be used A150625 Fig 18 Cooling Charging Chart ...

Страница 25: ...on in blower compartment d Ensure proper reassembly by marking blower wheel and motor in relation to blower housing before disassembly e Loosen setscrew s that secures wheel to motor shaft remove screws that secure motor mount brackets to housing and slide motor and motor mount out of housing 2 Remove and clean blower wheel as follows a Ensure proper reassembly by marking wheel orientation b Lift ...

Страница 26: ...h a plumbers snake or similar probe device Outdoor Fan 1 Remove 6 screws holding condenser grille and motor to top cover 2 Turn motor grille assembly upside down on top cover to expose the fan blade 3 Inspect the fan blades for cracks or bends 4 If fan needs to be removed loosen the setscrew and slide the fan off the motor shaft 5 When replacing fan blade position blade as shown in Fig 19 6 Ensure...

Страница 27: ... switch 3 Apply ohmmeter leads across switch You should have continuity on a good switch Compressor Puron R 410A Refrigerant The compressor used in this product is specifically designed to operate with Puron R 410A refrigerant and cannot be interchanged The compressor is an electrical as well as mechanical device Exercise extreme caution when working near compressors Power should be shut off if po...

Страница 28: ...ont of the unit service panel with a terry cloth shop towel to absorb lubricant spills prevent run offs and protect drop cloth from tears caused by tools or components 3 Place terry cloth shop towel inside unit immediately under component s to be serviced and prevent lubricant run offs through the louvered openings in the unit base 4 Perform required service 5 Remove and dispose of any oil contami...

Страница 29: ...gerant evacuate system and recharge to capacities shown on rating plate Defective compressor Replace and determine cause Insufficient line voltage Determine cause and correct Blocked outdoor coil Determine cause and correct Defective run start capacitor overload or start relay Determine cause and replace Faulty outdoor fan motor or capacitor Replace Restriction in refrigerant system Locate restric...

Страница 30: ...ETS PER INSTALLATION INSTRUCTIONS CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESS CHECK THAT INDOOR EVAPORATOR AIR FILTER IS CLEAN AND IN PLACE VERIFY THAT UNIT INSTALLATION IS LEVEL CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING ORIFICE AND SETSCREW TIGHTNESS INSPECT TUBING III START UP ELECTRICAL SUPPLY VOLTAGE_______________________________________ COMPRESSOR AMPS __________...

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