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Emerson Climate Technologies
16
Electronic Valves & Controls
Emerson Climate Technologies
Parts Required for Electronic Valves when used as TXV and Driven by Superheat
Description Type PCN Notes
Electronic
Valves
EX4 097719 Select one valve based on
capacity requirements of
system
EX5 097720
EX6 097721
EX7 097722
EX8 097723
Valve Cable
Connector
EXV-M60 097741
Cable used to connect
valve to controller EXD-
U00
Universal
Superheat
Controller
EC3-33 097707 Basic SH controller
EC3-32 097708
Basic with option to con-
nect to PC
Terminal Kit K03-X32 097711
Needed for EC3 to con-
nect wires
Pressure
Transducer
PT5-07M 097748
Use with R22, R134a,
R507, R404A, R407C,
R124
PT5-18M 097749 Use with R410A systems
PT5-30M 097753 Use with R744 systems
Pressure
Transducer
Cable
PT4-M60 097717
This is required always
when transducer ordered
Temperature
Sensor
ECN-N60 097714
This is a required item
Display/Key-
board Unit
ECD-002 097712
Must be used with EC3-33
but is an option with EC3-
32. Used to set param-
eters of system
Ethernet Cable ECC-N30 097713
Used for both ECD-002
and connection to PC thru
router
Transformer T2 097724
Transformer has primary
120/208/240V AC, second-
ary 24V AC. This is only
for customer who cannot
obtain 24V AC to run this
system.
EC3-32 and EC3-33 Systems
DIRECTIONS
FOR
MOUNTING
VALVE CABLE
ELECTRONIC VALVE
VALVE CABLE/
CONNECTOR
CUSTOMERS
CONTROLS
TERMINAL KIT
DISPLAY/
KEYBOARD
UNIT
ETHERNET CABLE
OUTPUT TO CUSTOMERS
CONTROL IF NEEDED
TEMPERATURE SENSOR
TRANFORMER
(IF NEEDED)
PRESSURE TRANSDUCER
CABLE/CONNECTOR
PRESSURE
TRANSDUCER
Temperature/Resistance
Conversion
Temperature Resistance
°C °F KW
25 77 10,0
10 50 19,9
5 41 25,4
0 32 32,7
-10 14 55,3
-20 -4 97,0
-30 -22 176,7
-40 -40 335,7
-45 -49 470,6
Temperature Sensor ECN-N60
- Technical 1
- Help Guide 1
- Introduction 3
- Table of Contents 4
- Thermal Expansion 5
- Thermal Expansion Valves 6
- Internal Equalizer 6
- Factory Settings of TXVs 7
- External Equalizer 7
- Superheat 9
- Approximate Methods 9
- Superheat Adjustment 9
- TXV Selection 10
- Application Tips 11
- Remote Bulb Well 11
- Remote Bulb Location 11
- Operation at Reduced Capacity 12
- Gas & Gas Cross-Charges 14
- Which Charge to Use? 14
- Adsorption Charges 14
- Liquid Cross-Charges 14
- Other TXV Considerations 15
- Refrigerant Code Names 16
- Emerson MOP 16
- TXV Charge Code Selector 17
- Electronic Valves 18
- & Controls 18
- Electronic Valve Applications 19
- Emerson Climate Technologies 20
- EC3-32 and EC3-33 Systems 20
- Temperature Sensor ECN-N60 20
- Pressure Transmitter – PT4 21
- TXV Controller – EC3-X32 21
- TXV Controller – EC3-X33 22
- Universal Driver – EXD-U00 22
- XEV22 Superheat Controller 22
- Electrical Control Valve – EX 23
- Third Party Controller 23
- Electronic Valves Programming 24
- Solenoid Valves 25
- What Are Solenoid Valves? 26
- 2. Pilot Operated Valve 27
- Types of Solenoids 27
- 2-Way Valves 27
- Solenoid Valve Selection 28
- Application Overview 29
- System Protectors 30
- Absorption vs. Adsorption 32
- Types of Filter driers 32
- Dirt, Waxes, Acid 32
- Sightglass 33
- Suction Filter Driers 34
- Internal Design 35
- Compressor Burnout 36
- Filter Driers for Heat Pumps 37
- Removing Contaminants 37
- One-Way Flow, Both Directions 37
- Simplifying While Servicing 38
- Emerson System Protectors 38
- Regulators 39
- EVAPORATOR 40
- INTERMEDIATE 40
- Figure 3: EPRB(S) Brass Body 41
- (Emerson EPRB) 42
- HeadMaster HP Operation 43
- solenoid VAlVe 46
- Figure 8 47
- Adjusting the Set Point 48
- Oil Controls 49
- Emerson Oil Controls 50
- Temperature 51
- Pressure Controls 51
- Temperature Pressure Controls 52
- TS1 Introduction 52
- Housing Variants 52
- Temperature Sensing 52
- Setpoints 53
- Electrical Contacts 53
- Contact Function 53
- PSC Pressure Switch 56
- PSC Introduction 56
- FSX Introduction 57
- Basic Rules of 58
- Good Practice 58
- Basic Rules of Good Practice 59
- Troubleshooting 61
- SYSTEM TROUBLESHOOTING GUIDE 62
- No Superheat At Start Up Only 63
- Superheat Is Erratic Or Hunts 63
- Troubleshooting Ball Valves 68
- Troubleshooting Regulators 69
- R404A/R507A 70
- Wholesaler/Contractor Support 72
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