Emerson EC3-X33 Superheat Controller

Emerson EC3-X33 Superheat Controller

Emerson EC3-X33 Superheat Controller

Description
EC3-X33 is a universal superheat controller used in conjunction with Emerson Electrical Control Valves EX4...EX8.

Emerson EC3-X33 Superheat Controller

Safety Instructions
• Read installation instructions thoroughly. Failure to comply can result in device failure, system damage or personal injury.
• The product is intended for use by persons having the appropriate knowledge and skills.
• Disconnect all voltages from system before installation.
• Do not operate system before all cable connections are completed.
• Comply with local electrical regulations when wiring.
Note: The EC3-X33 series contains a lead, acid gel rechargeable battery. The battery must NOT be disposed of with other commercial waste. Instead, it is the user’s responsibility to pass it
to a designated collection point for the safe recycling of batteries (harmonized directive 98/101/EEC). For further information contact your local environmental recycling center.

Emerson EC3-X33 Superheat Controller

Technical data

Power supply	24VAC ±10%; 50/60Hz; 1A
Power consumption	25VA max. including EX4 … EX8
Plug-in connector	Removable screw terminals wire size 12-20 AWG
Grounding	1/4 in spade earth connector
Protection class	IP20
Connection to ECD-002	ECC-Nxx or CAT5 cable with RJ45 connectors
Digital Inputs	0/24VAC/DC for stop/start function
NTC input	Emerson temperature sensor ECN-N60
4-20 mA Analog input	Emerson PT4-07M / PT4-18M / PT4-30M
4-20 mA Analog output	For connection to any 3rd party controller with 12/24VDC power supply and appropriate burden
Output alarm relay                          Activated:                          Deactivated:	SPDT contacts 24V AC/DC, 2 Amp inductive load During normal operation (no alarm condition)  During alarm condition or power supply is OFF
Stepper motor output for EX4…EX8	Maximum current 0.8A with nominal 24VDC operating voltage

Emerson EC3-X33 Superheat Controller