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Emerson Climate Technologies
94
EX Valves & Controls
EX3 Electronic Expansion Valve
Ordering Example
Step 1: Sizing the Valve
Nominalcoolingcapacity:Tons
EX3-2000 EX3-3000 EX3-4000 EX3-5000 EX3-6000 EX3-7000 EX3-8000 EX3-9000
R-404A 0.25 0.53 0.86 1.39 2.25 2.85 3.17 4.06
R-134a 0.29 0.60 0.97 1.57 2.54 3.22 3.59 4.59
R-22 0.40 0.84 1.34 2.18 3.53 4.47 4.98 6.36
R-407F 0.38 0.79 1.27 2.06 3.34 4.23 4.71 6.02
R-507 0.25 0.52 0.83 1.35 2.18 2.77 3.08 3.94
ThenominalcapacityisbaseduponthefollowingstandardconditionsperARI:
Evaporating Temperature Condensing Temperature
40°F(4.4°C) 100°F(38°C)
Selectthe
appropriatevalve
PCN Model Description
098252 EX3-2000 ValveassemblywithPin#2,Orice#1
098253 EX3-3000 ValveassemblywithPin#3,Orice#1
098254 EX3-4000 ValveassemblywithPin#4,Orice#1
098255 EX3-5000 ValveassemblywithPin#5,Orice#1
098256 EX3-6000 ValveassemblywithPin#6,Orice#2
098257 EX3-7000 ValveassemblywithPin#7,Orice#2
098258 EX3-8000 ValveassemblywithPin#8,Orice#2
098259 EX3-9000 ValveassemblywithPin#9,Orice#2
Step 2: Order Stepper Motor
PCN Model Description
098263 EX3-S012

1pcSteppermotorstator
1pcO-ring(Ø23.4mm)
Step 3: Choose A Cable
PCN Model Description
098250 EX3-M300 M12plugtostator(3MLength)

098251 EX3-M600 M12plugtostator(6MLength)
Step 4: Choose Solenoid Coil
PCN Model Description
098260 EX3-C230 SolenoidCoil,220-230VAC50/60Hz,
1pcScrew-cap,
1pcO-ring(Ø10.5mm)
1pcO-ring(Ø23.4mm)
098261 EX3-C120 SolenoidCoil,110-120VAC50/60Hz,
1pcScrew-cap,
1pcO-ring(Ø10.5mm)
1pcO-ring(Ø23.4mm)
098262 EX3-C024 SolenoidCoil,24VAC50/60Hz,
1pcScrew-cap,
1pcO-ring(Ø10.5mm)
1pcO-ring(Ø23.4mm)
Step 5: Choose plug to solenoid coil
PCN Model Description
098276 EX3-PL67 Connector(Solenoid),IP67

TIE
TIE
TIE
TIE
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