Low Suction Cutout
Suction pressure fell below safe operating level.
Compressor locked out. Auto‑resets when suction rises above the cut‑in threshold.
ACY Mobile
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Refrigerant
R410A
R22
R32
R454B
R407C
R134a
System Tonnage
1.5 ton
2 ton
2.5 ton
3 ton
3.5 ton
4 ton
5 ton
CFM per Ton
350 CFM/ton
400 CFM/ton
450 CFM/ton
Target SC (°F)
6
8
10
12
14
16
18
20
°F
°C
Motor
ECM CFM
ECM Torque
PSC
ΔT:
--
°F
•
Supply Air: --°F
Suction
Evap Sat:
--
°F
--
--
--
Liquid
Cond Sat:
--
°F
--
--
--
Outdoor (°F)
−
85
+
Indoor Return (°F)
−
74
+
Blower CFM (actual)
−
1200
+
Charge (%)
−
100
+
TXV Mode
Auto
Manual
TXV:
50%
More Closed
More Open
AIR FILTER
Clean
Very Dirty
EVAPORATOR COIL
Clean
Very Dirty
CONDENSER COIL
Clean
Very Dirty
Alarms
Starved Coil
Compressor Flood Back Risk
Charge
System Off. No Demand.
Low Suction
High Head
Low ΔT
High ΔT
Freeze Risk
ICE BUILDUP
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