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6

Unitary Products Group

035-16192-001-A-1001

All dimensions are in inches. They are
subject to change without notice. Certified
dimensions will be provided upon request.

CLEARANCES

Overhead (Top)

1

120"

Front
(Piping and Access Panels)

30"

Left Side

24"

Right Side

24"

Rear

24"

Bottom

2

0"

1

Units must be installed outdoors. Overhanging structures or

shrubs should not obstruct condenser air discharge.

2

Adequate snow clearance must be provided if winter operation

is expected.

Connection

Entry

Connection Size

15 Ton

20 Ton

Suction Line

A

1-1/8 ID

1-3/8 ID

Liquid Line

B

5/8 ID

5/8 ID

Power Wiring

C

2-1/8  KO

2-1/8KO

Control Wiring

D

7/8 KO

7/8 KO

Unit

Dim. (in.)

A

B

15 Ton

16

38

20 Ton

16

38

CENTER OF GRAVITY

FIG. 4 - UNIT DIMENSIONS AND CLEARANCES

Summary of Contents for E1FB180

Page 1: ...cycle plus a check valve to provide the proper flow of refrigerant through the unit during both the cooling and heating cycles All controls are located in the front of the unit and are readily access...

Page 2: ...g Operation 11 Heating Operation 12 Defrost Cycle 12 Operation Below 0 F 13 Emergency Heat Operation 13 START UP CRANKCASE HEATER 10 Ton Unit Only 14 PRE START CHECK 14 INITIAL START UP 14 SAFETY FEAT...

Page 3: ...on re quirements GROUND LEVEL LOCATIONS The units must be installed on a substantial base that will not settle Any strain on the refrigerant lines may cause a refriger ant leak Aone piece concrete sla...

Page 4: ...he dis connect switch and the unit Refer to Figure 4 for the location of the power wire access opening through the front of the unit This opening will re quire a field supplied conduit fitting The fie...

Page 5: ...1 System 2 Power Supply Power Supply Maximum Fuse Size 1 Minimum Wire Size AWG 2 Maximum Wire Length feet 3 Minimum Disconnect Amps E1FB180A25 208 230 3 60 32 1 195 0 32 1 195 0 208 230 1 60 1 4 7 1...

Page 6: ...Bottom2 0 1 Units must be installed outdoors Overhanging structures or shrubs should not obstruct condenser air discharge 2 Adequate snow clearance must be provided if winter operation is expected Co...

Page 7: ...t be designed for the pressure drop due to both friction loss and vertical rise If the total pressure drop exceeds 40 psi some refrigerant may flash before it reaches the thermal expansion valve This...

Page 8: ...left on these surfaces may lead to a future system malfunction NOTE Use only copper tubing that has been especially cleaned and dehydrated for refrigerant use If the tub ing has been open for an exte...

Page 9: ...d EXTENDING THE SERVICE PORTS Refer to Fig 5 1 Loosen the screws that secure the service ports in shipping position 2 Push the service ports through the corner post 3 Tighten the screws to secure the...

Page 10: ...or the outdoor unit the indoor unit and the refrig erant lines using information in Tables 2 Physi cal Data and 6 Refrigerant Line Charge Using the charging procedures outlined above weigh the require...

Page 11: ...diagram COOLING OPERATION 1 The following controls will be energized through terminal O on the thermostat to put the system in the cooling mode Relays RY3 RY4 RY5 and RY6 2 If the fan switch on the t...

Page 12: ...hermostat will cycle the unit to satisfy the heating re quirements of the conditioned space 5 After the unit has shutdown from a heating cycle or a power interruption the anti short cycle feature of t...

Page 13: ...the room thermostat same as described under Item 8 of HEATING OPERA TION 2 The indoor section blower operation will be controlled by the first stage heating TH1 of the room thermostat if the fan switc...

Page 14: ...Check for any abnormal noises and or vibrations and make the necessary adjustments to correct e g fan blade touching shroud refrigerant lines hitting on sheet metal etc 8 After the unit has been oper...

Page 15: ...0 Suction Pressure psig Discharge Pressure psig 115 F 105 F 95 F 85 F 75 F ODDB 150 200 250 300 350 400 450 50 60 70 80 90 Suction Pressure psig Discharge Pressure psig 115 F 105 F 95 F 85 F 75 F ODDB...

Page 16: ...180A 50 100 150 200 250 300 350 400 30 40 50 60 70 80 90 Suction Pressure psig Discharge Pressure psig 80 F 70 F 60 F IDDB FIG 10 HEATING MODE CHARGING CHART AT 6000 CFM EFB180A 50 100 150 200 250 300...

Page 17: ...B180A 50 100 150 200 250 300 350 400 30 40 50 60 70 80 90 Suction Pressure psig Discharge Pressure psig 80 F 70 F 60 F IDDB FIG 12 HEATING MODE CHARGING CHART AT 6400 CFM EFB240A 50 100 150 200 250 30...

Page 18: ...EFB240A 50 100 150 200 250 300 350 30 40 50 60 70 80 90 Suction Pressure psig Discharge Pressure psig 80 F 70 F 60 F IDDB FIG 14 HEATING MODE CHARGING CHART AT 7600 CFM EFB240A 50 100 150 200 250 300...

Page 19: ...NOTES Unitary Products Group 19 035 16192 001 A 1001...

Page 20: ...up 5005 York Drive Norman Oklahoma 73069 Subject to change without notice Printed in U S A Copyright by York International Corporation 2001 All Rights Reserved Code SBY 035 16192 001 A 1001 Supersedes...

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