CAREL EVD evo twin (Bluon)

CAREL · Expansion Valve Driver · EVD evolution twin

Manufacturer: CAREL
Product: Expansion Valve Driver
Model: EVD evolution twin
Protocol: Modbus
Package: Light duty electrical (SU2204)
Updated: 2026-05-28
Driver ID: 58

Notes

EVD  evolution  twin  is  a  controller  featuring  two  drivers  for  double  pole  stepper   motors   that   independently   manages   two   electronic   expansion   valves.

ezeio D0 -> EVD Network -
ezeio D1 -> EVD Network +
ezeio GND -> EVD gnd

Registers 30

#	Name	Unit
1	A - S1 Reading	`psi`
2	A - S2 Reading	`°F`
3	A - S3 Reading	`psi`
4	A - S4 Reading	`°F`
5	A - Suction Temp	`°F`
6	A - Evap temp	`°F`
7	A - Evap press	`psi`
8	A - Superheat	`°F`
9	A - Cond press	`psi`
10	A - Cond temp	`°F`
11	A - Hot gas bypass press	`psi`
12	A - Valve Opening	`%`
13	A - Ctrl set point	`°F`
14	A - Low SH	`°F`
15	A - LOP	`°F`
16	A - MOP	`°F`
17	A - Subcool	`°F`
18	B - Suction Temp	`°F`
19	B - Evap temp	`°F`
20	B - Evap press	`psi`
21	B - Superheat	`°F`
22	B - Hot gas bypass press	`psi`
23	B - Valve Opening	`%`
24	B - Ctrl set point	`°F`
25	B - Low SH	`°F`
26	B - LOP	`°F`
27	B - MOP	`°F`
28	Firmware Ver.
29	Digital in 1
30	Digital in 2

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