ESPHome component for Rego 1000 heat pump controller, found in:

• IVT Greenline HE/HC/HA
• IVT Premiumline A Plus
• IVT Premiumline EQ
• IVT Premiumline HQ

Features

• Poll any variable from heat pump (temperature sensors, timers, PID control values..)
• Read any passive data on the heat pump CAN bus (used for i.e. compressor on/off state)
• Set indoor setpoint using the Home assistant climate integration
• Act as an IVT indoor sensor using the tempeature from a home assistant integrated temperature sensor
• Set any heat pump variable, e.g. hysterisis, admin access, hot water eco/comfort mode

Installation

Make changes to secrets and CAN bus pins in rego1000.yaml, then install it on the ESP32 using

esphome run rego1000-<version>.yaml

Connection

Colour	Function	Pint No.
Black	Ground	35
Green	can L	36
Yellow	can H	37
Red	+12v	38