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OPERATING LIMITS
Maximum Cooling Outdoor
Minimum Outdoor Ambient
Minimum Return-Air
Temperature
Maximum Return-Air
Temperature
Normal Acceptable Saturation
Suction Temperature Range
Maximum Discharge
Temperature
Minimum Discharge Superheat
NOTES:
1. Select air handler at no less than 300 cfm/ton (nominal condens-
ing unit capacity).
2. Total combined draw of the field-supplied liquid line solenoid valve
and air handler fan contactor must not exceed 22 va. If the speci-
fied va must be exceeded, use a remote relay to control the load.
1. LIQUID LINE — For applications with liquid lift greater than
20 ft, use
1
/
-in. liquid line where
2
liquid line where
1
/
in. is shown. The maximum liquid lift is
2
60 ft.
MAXIMUM REFRIGERANT CHARGE
UNIT
SIZE
072
569D
090
120
576C
120
569F
120
2. REFRIGERANT PIPING — It is recommended that the
refrigerant piping for all commercial split systems include a
liquid line solenoid valve, a liquid line filter drier, and a sight
glass.
For refrigerant lines longer than 75 lineal ft, a liquid line
solenoid valve and a suction accumulator are required.
Refer to the Refrigerant Specialties table.
LIQUID LINE
UNIT
SIZE (in.)
569D072
3
/
8
3
/
8
569D090
1
/
2
569D120
1
/
2
1
/
2
576C120
3
/
8
*Bushings required.
APPLICATION DATA — 569D072-120, 576C090-120, 569F120
115 F
See Minimum Outdoor-Air
Operating Temperature
table at right.
55 F
95 F
25 to 55 F
275 F
60 F
3
/
in. is shown; use
5
8
R-22 (lb)
17.3
34.2
34.2
34.2
(2) 17.1
REFRIGERANT SPECIALTIES PART NUMBERS
LIQUID LINE
SOLENOID VALVE (LLSV)
200RB5T3M
200RB5T3M
200RB5T4M
200RB6T4M
200RB6T4M
200RB5T3M Qty 2
MINIMUM OUTDOOR-AIR OPERATING
UNIT
SIZE
072
569D
090
120
576C
120*
569F
120
*Unit has one step of unloading.
REFRIGERANT PIPING SIZES
0-25
UNIT
SIZE
L
/
-in.
8
072
3
/
8
569D
090
3
/
8
120
1
/
2
576C 120
1
/
2
569F 120 (2)
/
(2) 1
3
8
LEGEND
L — Liquid Line
NOTES:
1. Pipe sizes are based on a 2° F loss for liquid and suction lines.
2. Pipe sizes are based on the maximum linear length, shown for
each column, plus a 50% allowance for fittings.
3. Charge units with R-22 in accordance with unit installation
instructions.
LLSV
SIGHT
COIL
GLASS
AMG/24V
AMI-1TT3
AMG/24V
AMI-1TT3
AMG/24V
AMI-1TT4
AMG/24V
AMI-1TT4
AMG/24V
AMI-1TT4
AMG/24V Qty 2
AMI-1TT3 Qty 2
27
TEMPERATURE
OUTDOOR TEMP
COND
COMPR
TEMP
CAPACITY
(F)
Std
100%
90
35
100%
90
35
100%
90
35
100%
90
35
67%
80
35
100%
90
35
LINEAR LENGTH OF PIPING — FT
25-50
50-75
Line Size (in. OD)
S
L
S
L
S
1
1
/
3
/
1
1
/
3
/
1
1
8
8
8
8
1
1
/
1
/
1
1
/
1
/
1
1
8
2
8
2
1
3
/
1
/
1
3
/
1
/
1
3
8
2
8
2
1
3
/
1
/
1
3
/
1
/
1
3
8
2
8
2
/
(2)
/
(2) 1
/
(2)
/
(2) 1
1
3
1
3
8
8
8
8
S — Suction Line
FILTER
DRIER
ACCUMULATOR
P502-8304S*
P502-8304S*
P502-8304S
P502-8307S*
P502-8307S*
P502-8304S* Qty 2
MINIMUM
(F)
With
Motormaster
®
Control
–20
75-100
L
S
/
3
/
1
1
/
8
8
8
/
1
/
1
1
/
8
2
8
/
1
/
1
3
/
8
2
8
/
1
/
1
3
/
8
2
8
/
(2)
/
(2) 1
/
1
3
1
8
8
8
SUCTION LINE
S-7063S*
S-7063S*
S-7063S*
S-7063
S-7063
S-7061 Qty 2
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