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Table 3—Electrical Data—50SD

UNIT

SIZE

V-PH-HZ

VOLTAGE

RANGE

COMPRESSOR

OFM

IFM

ELECTRIC HEAT

(SINGLE POINT CONNECTION)

POWER SUPPLY

Min

Max

RLA

LRA

FLA

FLA

Nominal Kw

*

FLA

MCA

Max Fuse

or

Ckt Bkr

MOCP

024

208/230–1–60

187

253

10.9

54.0

0.9

2.0

-/-

3.8/5.0

7.5/10.0

5.4/7.2

-/-

18.1/20.8
36.1/41.7
26.0/30.0

16.5/16.5
25.1/28.5
47.6/54.6
35.0/40.0

20/20
30/30
50/60
35/40




030

208/230–1–60

187

253

14.0

72.5

0.9

2.0

-/-

3.8/5.0

7.5/10.0

11.3/15.0

5.4/7.2

-/-

18.1/20.8
36.1/41.7
54.2/62.5
26.0/30.0

20.4/20.4
25.1/28.5
47.6/54.6
70.2/80.6
35.0/40.0

25/25
25/30
50/60

35/40



80/90

036

208/230–1–60

187

253

16.0

88.0

0.9

3.1

-/-

3.8/5.0

7.5/10.0

11.3/15.0

5.4/7.2

-/-

18.1/20.8
36.1/41.7
54.2/62.5
26.0/30.0

24.0/24.0
26.4/29.9
49.0/56.0
71.6/82.0
36.4/41.4

30/30
30/30
50/60

40/45



80/90

042

208/230–1–60

187

253

18.4

104.0

0.9

4.1

-/-

3.8/5.0

7.5/10.0

11.3/15.0
15.0/20.0

5.4/7.2

-/-

18.1/20.8
36.1/41.7
54.2/62.5
72.2/83.3
26.0/30.0

28.0/28.0
28.0/31.2
50.3/57.2
72.8/83.3

95.4/109.3

37.6/42.6

35/35
35/35
60/60


40/45



80/90

100/110

048

208/230–1–60

187

253

18.3

109.0

1.5

4.1

-/-

3.8/5.0

7.5/10.0

11.3/15.0
15.0/20.0

5.4/7.2

-/-

18.1/20.8
36.1/41.7
54.2/62.5
72.2/83.3
26.0/30.0

28.5/28.5
28.5/31.2
50.3/57.2
72.8/83.3

95.4/109.3

37.6/42.6

35/35
35/35
60/60


40/45



80/90

100/110

060

208/230–1–60

187

253

25.0

148.0

1.5

6.2

-/-

3.8/5.0

7.5/10.0

11.3/15.0
15.0/20.0

5.4/7.2

-/-

18.1/20.8
36.1/41.7
54.2/62.5
72.2/83.3
26.0/30.0

39.0/39.0
39.0/39.0
52.9/59.8
75.4/85.9

98.0/111.9

40.2/45.3

50/50
50/50
60/60


50/50



80/90

100/125

(See legend following Electrical Data charts)

A05108

LEGEND

FLA

— Full Load Amps

LRA

— Locked Rotor Amps

MCA

— Minimum Circuit Amps

MOCP — Maximum Overcurrent Protection
RLA

— Rated Load Amps

NOTES:
1. In compliance with NEC (National Electrical Code) requirements

for multimotor and combination load equipment (refer to NEC
Articles 430 and 440), the overcurrent protective device for the
unit shall be Power   Supply   fuse . The CGA (Canadian Gas
Association) units may be fuse or circuit breaker.

2. Minimum wire size is based on 60 C copper wire. If other than

60 C wire is used, or if length exceeds wire length in table,
determine size from NEC.

®

Fig. 10—High- and Control-Voltage Connections

C99010

POWER
SUPPLY

FIELD-SUPPLIED
FUSED DISCONNECT

HIGH VOLTAGE
POWER LEADS
(SEE UNIT WIRING
LABEL)

GND

CONTROL BOX

SPLICE BOX

LOW-VOLTAGE
POWER LEADS
(SEE UNIT
WIRING LABEL)

Y

G

R

C

YEL(Y)

GRN(G)

RED(R)

BRN(C)

THERMOSTAT
(TYPICAL)

LEGEND

Field Control-Voltage Wiring
Field High-Voltage Wiring

NOTE: Use blue wire for 3-phase units only.

10

Содержание 50SD

Страница 1: ...RING 16 REFRIGERANT CIRCUIT 16 EVAPORATOR AIRFLOW 17 METERING DEVICE ACCURATER 17 TROUBLESHOOTING 17 START UP CHECKLIST 17 NOTE TO INSTALLER Before the installation READ THESE INSTRUCTIONS CAREFULLY A...

Страница 2: ...esult in air leaks and poor unit performance Curb should be level to within 1 4 in See Fig 5A This is necessary for unit drain to function properly Refer to accessory roof curb installation instructio...

Страница 3: ...TS UNIT TOP 48 00 1219 2 SIDE OPPOSITE DUCTS 36 00 914 0 DUCT PANEL 12 00 304 8 MINIMUM DISTANCES IF UNIT IS PLACED LESS THAN 304 8 12 00 FROM WALL SYSTEM THEN SYSTEM PERFORMANCE MAYBE COMPROMISE REQU...

Страница 4: ...230 1 60 460 209 46 98 1193 21 0 533 20 5 520 17 1 434 50SD048 208 230 1 60 480 218 46 98 1193 21 0 533 20 0 508 17 4 442 50SD060 208 230 1 60 492 223 46 98 1193 21 0 533 20 0 508 17 6 447 A05126 REQ...

Страница 5: ...6 1022 41 15 16 1065 44 7 16 1129 46 1 16 1169 CPRFCURB009A00 14 356 16 3 16 411 17 3 8 441 40 5 16 1022 41 15 16 1065 44 7 16 1129 46 1 16 1169 NOTES 1 Dimensions in are in millimeters 2 Roof curb is...

Страница 6: ...See Fig 7 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 tra...

Страница 7: ...mmer Push louver down to break rear and left side tabs Fig 8 9 4 If unit ductwork is to be attached to vertical opening flanges on the unit composite base jackstand applications only do so at this tim...

Страница 8: ...Contractors National Association SMACNA and Air Conditioning Contractors of America ACCA minimum installation standards for heating and air conditioning systems Secure all ducts to building structure...

Страница 9: ...correction of improper voltage HIGH VOLTAGE CONNECTIONS The unit must have a separate electrical service with a field supplied waterproof disconnect switch mounted at or within sight from the unit Re...

Страница 10: ...0 28 5 28 5 28 5 31 2 50 3 57 2 72 8 83 3 95 4 109 3 37 6 42 6 35 35 35 35 60 60 40 45 80 90 100 110 060 208 230 1 60 187 253 25 0 148 0 1 5 6 2 3 8 5 0 7 5 10 0 11 3 15 0 15 0 20 0 5 4 7 2 18 1 20 8...

Страница 11: ...ake the following inspections a Inspect for shipping and handling damages such as broken lines loose parts disconnected wires etc b Inspect for oil at all refrigerant tubing connections and on unit ba...

Страница 12: ...Fig 12 Wiring Diagram 208 230 60 1 A05112 12...

Страница 13: ...rvice fitting c Suction low side pressure psig 5 Using Cooling Charging Charts compare outdoor air tem perature F db with the suction line pressure psig to determine desired system operating suction l...

Страница 14: ...son To troubleshoot heating or cooling of units refer to tables at the back of the book NOTE TO EQUIPMENT OWNER Consult your local dealer about the availability of a maintenance contract FIRE EXPLOSIO...

Страница 15: ...crews that secure motor mount brackets to hous ing 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 L...

Страница 16: ...8 1457 1362 1271 High Watts 798 772 738 700 Cfm 1720 1648 1540 1414 048 Low Watts 627 617 607 584 567 548 528 503 Cfm 1550 1530 1493 1461 1414 1361 1320 1250 Med Watts 771 755 734 711 690 665 639 607...

Страница 17: ...s publication as an aid in determining proper control operation REFRIGERANT CIRCUIT Inspect all refrigerant tubing connections and the unit base for oil accumulations annually Detecting oil generally...

Страница 18: ...tion in refrigerant system Locate restriction and remove Compressor operates continuously Dirty air filter Replace filter Unit undersized for load Decrease load or increase unit size Thermostat set to...

Страница 19: ...lation is level ____ Check fan wheel propeller for location in housing and setscrew tightness III START UP Supply Voltage L1 L2 C S __________ Compressor Amps L1 C __________ Indoor Evaporator Fan Amp...

Страница 20: ...ianapolis IN 46231 Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 1 6 Tab 6 8 PC 101 Printed in U...

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