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REQUIRED CLEARANCES TO COMBUSTIBLE MATERIAL — in. (mm)
Unit Top . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 (356)
Duct Side of Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 (51)
Side Opposite Ducts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 (356)
Bottom of Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
Vertical Discharge First 12 in. (305) of Supply Duct . . . . . . . . . . . 1 (25)
NECESSARY REQUIRED CLEARANCES — in. (mm)
Between Units, Control Box Side . . . . . . . . . . . . . . . . . . . . . 42 (1067)
Unit and Ungrounded Surfaces, Control Box Side . . . . . . . . . . . 36 (914)
Unit and Block or Concrete Walls and Other Grounded

Surfaces, Control Box Side . . . . . . . . . . . . . . . . . . . . . . . . . 42 (1067)

REQUIRED CLEARANCES FOR SERVICING — in. (mm)
Evaporator Coil Access Side . . . . . . . . . . . . . . . . . . . . . . . . . 30 (762)
Control Box Access Side . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 (762)

(Except for Necessary Requirements)

Unit Top . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 (914)
Side Opposite Ducts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 (762)

NOTES:
1. Clearances must be maintained to prevent recirculation of air from outdoor-

fan discharge.

2. Dimensions in (

) are in millimeters.

LEGEND

CG

— Center of Gravity

NEC

— National Electrical Code

COND — Condenser

REQ’D — Required

MAT’L — Material

UNIT

50SX

ELECTRICAL

CHARACTERISTICS

UNIT WT

CORNER WT (Lb/Kg)

Lb

Kg

A

B

C

D

042

208/230-1-60, 208/230-3-60, 460-3-60

309

140

84/38

59/27

119/54

47/21

048

208/230-1-60, 208/230-3-60, 460-3-60

340

155

84/38

70/32

133/60

53/24

060

208/230-1-60, 208/230-3-60

359

163

65/30

99/45

120/55

75/34

UNIT

50SX

CENTER OF GRAVITY (in./mm)

X

Y

Z

042

21.0/533

20.1/510

15.4/390

048

21.8/553

19.7/499

15.4/390

060

22.2/565

19.8/503

13.4/340

Fig. 8 — Dimensions; Units 50SX042-060 Without Base Rail (cont)

9

Содержание 50SS018

Страница 1: ...re left with the unit after installation SAFETY CONSIDERATIONS Installation and servicing of air conditioning equipment can be hazardous due to system pressure and electrical com ponents Only trained...

Страница 2: ...030 22 1 561 20 3 516 10 0 253 036 21 2 538 19 9 506 9 9 251 042 21 3 540 19 9 506 11 3 286 LEGEND CG Center of Gravity NEC National Electrical Code COND Condenser REQ D Required MAT L Material NOTES...

Страница 3: ...21 8 554 20 4 519 12 3 312 036 21 0 533 20 1 509 12 2 310 042 21 0 532 20 1 510 13 6 344 LEGEND CG Center of Gravity NEC National Electrical Code COND Condenser REQ D Required MAT L Material NOTES 1 C...

Страница 4: ...de 30 762 Except for Necessary Requirements Unit Top 36 914 Side Opposite Ducts 30 762 UNIT 50SS CENTER OF GRAVITY in mm X Y Z 048 21 9 555 19 6 498 13 4 341 060 22 2 565 19 8 503 13 4 340 LEGEND CG C...

Страница 5: ...30 762 Except for Necessary Requirements Unit Top 36 914 Side Opposite Ducts 30 762 UNIT 50SS CENTER OF GRAVITY in mm X Y Z 048 21 7 550 19 7 501 15 7 400 060 22 0 560 19 9 506 15 7 399 LEGEND CG Cent...

Страница 6: ...ry Requirements Unit Top 36 914 Side Opposite Ducts 30 762 NOTES 1 Clearances must be maintained to prevent recirculation of air from outdoor fan discharge 2 Dimensions in are in millimeters UNIT 50SX...

Страница 7: ...equirements Unit Top 36 914 Side Opposite Ducts 30 762 NOTES 1 Clearances must be maintained to prevent recirculation of air from outdoor fan discharge 2 Dimensions in are in millimeters LEGEND CG Cen...

Страница 8: ...Fig 8 Dimensions Units 50SX042 060 Without Base Rail 8...

Страница 9: ...Top 36 914 Side Opposite Ducts 30 762 NOTES 1 Clearances must be maintained to prevent recirculation of air from outdoor fan discharge 2 Dimensions in are in millimeters LEGEND CG Center of Gravity NE...

Страница 10: ...Fig 9 Dimensions Units 50SX042 060 With Optional Base Rail 10...

Страница 11: ...36 914 Side Opposite Ducts 30 762 NOTES 1 Clearances must be maintained to prevent recirculation of air from outdoor fan discharge 2 Dimensions in are in millimeters UNIT 50SX CENTER OF GRAVITY in mm...

Страница 12: ...alled 2 Seal strip must be applied as required for unit being installed 3 Dimensions in are in millimeters 4 Roof curb is made of 16 gage steel 5 Attach ductwork to curb flanges of duct rest on curb 6...

Страница 13: ...in above the unit top The maximum horizontal extension of a partial over hang must not exceed 48 inches Do not restrict condenser airflow An air restriction at either the outdoor air inlet or the fan...

Страница 14: ...412 341 8 867 NOTICE TO RIGGERS Hook rigging shackles through holes in lifting brackets as shown in Detail A lifting brackets to be centered around the unit center of gravity Use wood top skid when ri...

Страница 15: ...20x20 20x20 20x24 20x24 24x24 24x30 24x30 Recommended field supplied filters are 1 in thick Table 2 Physical Data Unit 50SX UNIT 50SX 024 030 036 042 048 060 REFRIGERANT R 22 Metering Device Acutrol S...

Страница 16: ...listed in Table 3 Heater limit switches may trip at air quan tities below those recommended Insulate and weatherproof all external ductwork Insulate and cover with a vapor barrier all ductwork passing...

Страница 17: ...l opening be secured to the basepan with aluminum tape to prevent the insulation from tearing or bunching up when the blower housing is installed in the vertical discharge position 12 Orient blower ho...

Страница 18: ...er Fig 16 4 Using a straight edge and sharp knife cut and remove the insulation around the perimeter of the cover Re move the screws securing the cover to the basepan and slide out the cover Discard t...

Страница 19: ...ceway on top of unit until blower housing is installed 13 Orient blower housing for vertical airflow blower mo tor adjacent to horizontal duct opening See Fig 25 Reconnect the plug assemblies Slide bl...

Страница 20: ...apron in ground level installations Install a field supplied conden sate trap at end of condensate connection to ensure proper drainage Make sure that the outlet of the trap is at least 1 in lower tha...

Страница 21: ...for electrical data The field supplied disconnect may be mounted on the unit over the high voltage inlet hole See Fig 2 9 If the unit has an electric heater a second disconnect may be required Consult...

Страница 22: ...0 1 1 3 2 16 8 25 12 100 LEGEND AWG American Wire Gage BRKR Breaker CUL Canadian Underwriters Laboratories FLA Full Load Amps HACR Heating Air Conditioning and Refrigeration LRA Locked Rotor Amps MCA...

Страница 23: ...vercurrent Protection NEC National Electrical Code RLA Rated Load Amps Fuse or HACR Breaker Carrier Scroll Compressor Copeland Scroll Compressor NOTES 1 In compliance with NEC requirements for multimo...

Страница 24: ...move the wirenut from the terminal on the end of the red transformer primary lead 3 Save the wirenut 4 Connect the red lead to the contactor terminal from which the orange lead was disconnected 5 Usin...

Страница 25: ...n On PL Plug TRAN Transformer Field Splice Terminal Marked Fig 33 Units 50SX048 060 208 230 1 60 Integrated Control Motor Wiring Schematic Fig 32 Easy Select Interface Board LEGEND Terminal Unmarked T...

Страница 26: ...follow instructions on all WARNING CAU TION and INFORMATION labels attached to or shipped with unit Make the following inspections a Inspect for shipping and handling damages such as bro ken lines loo...

Страница 27: ...an automatic changeover room thermostat place both SYSTEM and FAN switches in AUTO posi tions Observe that unit operates in Cooling mode when temperature control is set to call for cooling below room...

Страница 28: ...2 8 8 9 5 10 2 13 6 17 0 20 1 23 1 23 9 24 1 25 4 26 1 85 SPH 6 1 6 2 6 5 6 6 10 0 13 5 17 3 21 1 22 6 24 1 25 6 27 1 90 SPH 5 0 8 1 11 4 15 2 19 0 20 5 22 0 23 5 25 0 95 SPH 6 2 9 4 13 2 17 0 18 5 2...

Страница 29: ...74 76 65 SPH 8 4 8 4 8 4 8 4 12 5 16 7 18 7 20 7 22 0 23 4 24 8 26 1 70 SPH 5 0 5 0 5 0 5 0 9 0 13 1 15 9 18 6 20 0 21 3 22 7 24 0 75 SPH 5 4 9 6 13 1 16 6 17 9 19 3 20 6 22 0 80 SPH 6 0 10 3 14 5 15...

Страница 30: ...8 6 70 SPH 15 4 15 4 15 4 15 4 18 1 20 8 22 5 24 1 25 1 26 1 27 1 28 1 75 SPH 11 9 11 9 11 9 11 9 14 6 17 2 18 9 20 6 22 3 24 0 25 8 27 5 80 SPH 8 4 8 4 8 4 8 4 11 0 13 7 15 4 17 0 19 5 22 0 24 5 27 0...

Страница 31: ...7 5 28 3 29 1 30 0 30 0 30 0 75 SPH 15 0 15 4 15 7 16 1 19 2 22 3 25 4 26 7 28 1 29 4 28 7 28 0 80 SPH 9 2 9 5 9 7 9 9 14 4 18 9 23 3 24 7 26 0 27 3 27 4 27 4 85 SPH 9 6 15 5 21 3 22 6 24 0 25 3 26 1...

Страница 32: ...6 21 3 21 5 21 7 21 8 21 8 21 8 85 SPH 12 7 12 7 12 7 12 7 15 6 18 4 21 3 21 3 21 3 21 3 21 3 21 3 90 SPH 9 2 9 2 9 2 9 2 12 0 14 9 17 8 18 7 19 7 20 8 20 8 20 8 95 SPH 5 6 5 6 5 6 5 6 8 5 11 3 14 2 1...

Страница 33: ...ng Wet Bulb SPH Superheat at Compressor F Do not attempt to charge system under these conditions refrigerant slugging may occur Table 7 Required Suction Tube Temperature F SUPERHEAT TEMP F SUCTION PRE...

Страница 34: ...UX HEAT RANGE VIO NOTE If no heater is installed this step can be omitted The airflow for electric heat is selected with theAUX HEAT RANGE terminals Refer to Table 3 and the installation in structions...

Страница 35: ...ers are staged then the thermostat closes a second set of contacts W2 when second stage is required When thermo stat is satisfied contacts open deenergizing the heater relay and the IFR SEQUENCE OF OP...

Страница 36: ...95 550 520 500 470 425 Cfm 1540 1440 1325 1220 1110 1000 800 042 Low Watts 730 700 680 645 615 580 535 490 430 Cfm 1620 1590 1550 1510 1460 1390 1310 1210 1050 High Watts 850 800 750 700 650 610 Cfm 1...

Страница 37: ...750 Cfm 2480 2370 2250 2120 2000 1850 1690 Table 10 Dry Coil Air Delivery Horizontal Discharge Deduct 10 for 208 V Unit 50SX UNIT 50SX MOTOR SPEED AIR DELIVERY 230 AND 460 VOLT HORIZONTAL DISCHARGE Ex...

Страница 38: ...0 High Watts 1050 1000 930 870 810 740 665 Cfm 2000 1940 1850 1750 1635 1500 1300 Air delivery values are based on operating voltage of 230 v or 460 v dry coil without filter or electric heater Deduct...

Страница 39: ...0 1200 1400 1600 1800 2000 2200 5 20 0 030 0 033 0 037 0 042 0 047 0 052 0 060 0 067 0 075 Table 15 Filter Pressure Drop in wg UNIT SIZE 50SS FILTER SIZE in CFM 500 600 700 800 900 1000 1100 1200 1300...

Страница 40: ...emoval of the unit top be sure to perform all of the routine maintenance procedures that re quire top removal including coil inspection and cleaning and condensate drain pan inspection and cleaning On...

Страница 41: ...moved loosen the setscrew and slide the fan off the motor shaft 4 When replacing fan blade position blade so that lead ing edge is 2 in back from condenser inlet grille or 1 2 in maximum from fan deck...

Страница 42: ...ficient line voltage Determine cause and correct Blocked condenser Determine cause and correct Defective run start capacitor overload or start relay Determine cause and replace Defective thermostat Re...

Страница 43: ...Motor programmed with a delay profile Allow a few minutes for motor to shut off With thermostat in OFF the voltage on G Y1 Y Y2 W with respect to common should be less than 1 2 of actual low voltage...

Страница 44: ......

Страница 45: ......

Страница 46: ...rograms include a video cassette and or slides and a companion booklet Use these for self teaching or to conduct full training sessions For a free Service Training Material Catalog STM call 1 800 962...

Страница 47: ......

Страница 48: ...OR LOCATION IN HOUSING ORIFICE AND SETSCREW TIGHTNESS III START UP ELECTRICAL SUPPLY VOLTAGE L1 L2 L2 L3 L3 L1 COMPRESSOR AMPS L1 L2 L3 INDOOR FAN AMPS TEMPERATURES OUTDOOR AIR TEMPERATURE DB RETURN A...

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