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Installation guide
Injection Controller
Type EKE 110 1V (PV01)
Introduction
Injection controller EKE 110 1V can be used for:
Vapor or wet injection mode (VI/WI): Where controller will manage stepper motor valve in injection of
superheated vapor to compressor injection port and automatically switch to wet injection to avoid high
discharge gas temperature control (DGT) depending on the running conditions. This enables improved
compressor performance on an extended running envelope.
Liquid Injection mode (LI): Where controller will manage stepper motor valve in liquid injection to avoid
too high discharge gas temperature control (DGT) depending on the running conditions. This enables
compressor to run safe in an extended running envelope. This controller is typically used in light com-
mercial, commercial and industrial low ambient heat pump application.
Compatible valves: ETS 6 / ETS 5M Bipolar / ETS 8M Bipolar / ETS Colibri / ETS 175-500L / CCMT L / CCMT /
CCM / CTR
Basic application
Liquid injection mode (LI):
Wet and Vapor injection mode (VI/WI):
Condenser
T
P
Injection valve
Expansion
valve
Evaporator
© Danfoss | Climate solutions | 2024.10
Condenser
Expansion
valve
Evaporator
Upstream
Valve A
DGT
DGT
Valve A
DGT
Injection valve
Condenser
T
P
Injection
PeA
valve
S2A
Expansion
valve
Evaporator
DGT
Downstream
DGT
AN500837700728en-000102 | 1
Valve A
DGT
PeA
S2A
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Summary of Contents for Danfoss EKE 110 1V
- Page 1 Type EKE 110 1V (PV01) Introduction Injection controller EKE 110 1V can be used for: Vapor or wet injection mode (VI/WI): Where controller will manage stepper motor valve in injection of superheated vapor to compressor injection port and automatically switch to wet injection to avoid high discharge gas temperature control (DGT) depending on the running conditions.
- Page 2 If not using DI for start stop function then physically short the terminal with COM. ***** By default, DO is con gured for communicating alarm for compressor stop. It can be used for other alarms if activated in the con guration. © Danfoss | Climate solutions | 2024.10 AN500837700728en-000102 | 2...
- Page 3 To avoid potential malfunctions or damage to the EKE 110, connect all peripheral components only to the designated ports. Connecting components to unassigned ports may lead to operational issues. Dimensions 70 mm Height: 49 mm © Danfoss | Climate solutions | 2024.10 AN500837700728en-000102 | 3...
- Page 4 It is demounted by gently pulling the stirrup located in the base of the housing. Mounting : “Click” Demounting : Step 1: Step 2: Unplug above shown male connector Pull stirrup using screwdriver and remove EKE from rail © Danfoss | Climate solutions | 2024.10 AN500837700728en-000102 | 4...
- Page 5 • Physical sharing is not allowed. • Modbus sharing is allowed with more than 1 controller. Temperature sensor sharing • Physical sharing is not allowed. • Modbus sharing is allowed with more than 1 controller. © Danfoss | Climate solutions | 2024.10 AN500837700728en-000102 | 5...
- Page 6 • The stepper motor is connected to the “Stepper Valve” terminals (see terminal assign ment) with a standard M12 connection cable. • To con gure stepper motor valves other than Danfoss stepper motor valves, the correct valve parameters must be set as described in the Valve con guration section by selecting user de ned valve.
- Page 7 • Period of electric stress across insulating parts: long - Suitable for using in a normal pollution environment • Category of resistance to heat and re: D • Immunity against voltage surges: category II • Software class and structure: class A © Danfoss | Climate solutions | 2024.10 AN500837700728en-000102 | 7...
- Page 8 • Battery backup - the voltage will close the stepper motor valves if the controller loses its supply voltage. • Do not connect an external power supply to the digital input DI terminals to avoid damaging the controller. © Danfoss | Climate solutions | 2024.10 AN500837700728en-000102 | 8...
- Page 9 EKE 2U energy storage device for EKE is compatible with Danfoss stepper M12 Angle cable to connect motor valves i.e Danfoss ETS 6, ETS, KVS, Danfoss stepper motor valve and emergency valve shutdown during ETS Colibri®, KVS colibri®, CTR, CCMT, EKE controller power outage.
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