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FIG. 4 - UNIT DIMENSIONS AND CLEARANCES

CLEARANCES

Overhead (Top)

1

120"

Front
(Piping and Access Panels)

30"

Left Side

24"

Right Side

24"

Rear

24"

Bottom

2

0"

1Units must be installed outdoors. Overhanging structures
or
  shrubs should not obstruct condenser air discharge.

2

Adequate snow clearance must be provided if winter

F R O N T

1 6

3 9   -   7 / 8

B A C K

( C O I L   E N D )

A P P R O X I M A T E

C E N T E R   O F   G R A V I T Y

3 2

7 6   -   7 / 8

A I R

O U T

A I R

O U T

A I R

I N

O

O

O

5 - 3 / 4

4 4 - 9 / 3 2

F A N   M O T O R

  A C C E S S

C O M P R E S S O R   A N D

F A N   M O T O R   A C C E S S

E X T E R N A L   P R E S S U R E  

G A U G E   F I T T I N G S

C O N T R O L   B O X

A C C E S S

9 - 1 / 3 2

7 6 - 7 / 8

7 - 1 / 3 2

3 9   -   7 / 8

1 3 - 1 / 4

3 0 - 3 / 4

2 4 - 1 / 2

1 2 - 1 / 8

C

D

F

E

F

E

F

A

B

All dimensions are in inches. They are sub-
ject to change without notice. Certified di-
mensions will be provided upon request.

D

B

C

A

FIG. 5 - POINT LOADS

UNIT

4 - POINT LOAD (LBS)

TOTAL

A

B

C

D

180
240

930
990

325
346

218
232

155
165

232
247

Connection

Entry

Connection Size

15 Ton

20 Ton

Suction Line

A

1-5/8 ID

2-1/8 ID

Liquid Line

B

5/8 OD

5/8 OD

Power Wiring

C

2-1/8  KO

2-1/8KO

Control Wiring

D

7/8 KO

7/8 KO

Accessory Wiring

E

7/8 KO

7/8 KO

Accessory Wiring

F

1-3/8 KO

1-3/8 KO

NOTE:  Suction line connection is a belled  
    

fitting.

550.23-N6Y

6

Unitary Products Group

Summary of Contents for H3CE180

Page 1: ...f the evaporator blower units refer to instruction Form 550 23 N4Y All accessories come with a separate Installation Manual Refer to Parts Manual for complete listing of replacement parts on this equi...

Page 2: ...Secure Owner s Approval 12 Maintenance 12 Cleaning Condenser Surface 13 Lubrication 12 Compressor Replacement 12 TABLES No Description Page 1 Unit Application Data 3 2 Physical Data 4 3 Electrical Dat...

Page 3: ...4 Footers under the slab that extend below the frost line are recom mended Anystrainontherefrigerantlinesmaycausearefrigerant leak Theslabshouldnotbetiedtothebuildingfoundationbecause noise and vibra...

Page 4: ...r general installation procedure Refer to Figure 3 for typical field wiring COMPRESSOR CRANKCASE HEATER The compressor is equipped with a crankcase heater to prevent refrigerant from mixing with crank...

Page 5: ...R S H 3 C E 1 8 0 K 1 E U 1 8 0 H 3 C E 2 4 0 L 3 E U 2 4 0 3 P H A S E L I N E V O L T A G E P O W E R S U P P L Y 3 P H A S E L I N E V O L T A G E P O W E R S U P P L Y 3 P H A S E L I N E V O L T...

Page 6: ...A C C E S S E X T E R N A L P R E S S U R E G A U G E F I T T I N G S C O N T R O L B O X A C C E S S 9 1 3 2 7 6 7 8 7 1 3 2 3 9 7 8 1 3 1 4 3 0 3 4 2 4 1 2 1 2 1 8 C D F E F E F A B All dimensions a...

Page 7: ...on line must be sized for both pressure drop and for oil return For certain piping arrangements different suction line sizes may have to be used The velocity of the suction gas must always be great en...

Page 8: ...oor system performance but could also damage the expansion valve TABLE 5 LIQUID LINES Liquid Line2 Inches O D 5 8 0 113 lb ft 7 8 0 237 lb ft Suction Line2 Inches O D 1 5 8 0 018 lb ft 2 1 8 0 031 lb...

Page 9: ...rom the access port on the liquid line service valve of the condensing unit to the hole through the suction disc on the evaporator coil 3 Unbraze the coil s liquid line disc while maintaining a flow o...

Page 10: ...f the refrigerant for the total system by adding the required charge for the outdoor unit the indoor unit and the refrigerant lines using information in Tables 2 Physical Data and 6 Refrigerant Line C...

Page 11: ...F Ambient 95 F Ambient 85 F Ambient 75 F Ambient Charging Curve H CE240 200 250 300 350 400 57 62 67 72 77 82 87 92 97 Suction Pressure Discharge Pressure 115 F Ambient 105 F Ambient 95 F Ambient 85...

Page 12: ...rgized locking out cooling operation until the call for cooling has been removed When Y1 is returned to 0 volts the LOR coil is no longer energized closing the LOR 1 contacts and removing the lock out...

Page 13: ...ration to 0 F SAFETY FEATURES 1 The compressor is protected against over current and excessive temperature as described in the Sequence of Operation 2 The compressor is equipped with a crankcase heate...

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