🏡 Whole-Home Heating & Hot Water Floorplan
Click any room to focus thermostat
🎛️ Heatmiser UH1 Wiring Centre Status
RS485 Slave Nodes 01..05
ZONE 1
Bedroom 1 (UFH)
ACTUATOR OPEN
ZONE 2
Bedroom 2 (UFH)
IDLE
ZONE 3
Bathroom (UFH)
ACTUATOR OPEN
ZONE 4
Kitchen/Living (UFH)
ACTUATOR OPEN
ZONE 5
Hot Water Cylinder
VALVE OPEN
Boiler Call Relay: ENERGIZED (Heat Required)
UFH Manifold Pump: RUNNING (Circulating)
RS485 Bus: 4800 Baud / 8N1 OK
🍓 Home Assistant Climate Entities (Lovelace Cards)
Integration: heatmiserv3
climate.bedroom_1
heating
Bedroom 1
19.5°C
20.0°C
climate.bedroom_2
idle
Bedroom 2
20.0°C
19.0°C
climate.bathroom
heating
Bathroom
21.5°C
23.0°C
climate.kitchen_living
heating
Kitchen / Living
19.2°C
21.0°C
water_heater.hot_water
boost
Hot Water Cylinder
55.0°C
Active Thermostat: Bedroom 1 (PRT-1)
RS485 ADDR: 01
HEATMISER
PRT-1 (v3.9)
19.5°C
SET 20.0°C
Multi-Button Chords
Single-Mouse Helper
Heatmiser hardware requires pressing multiple tactile buttons simultaneously or long-pressing switches. Because a single mouse cursor cannot physically click two buttons at once, use these dedicated shortcuts:
LCD Backlight:
⚡ RS485 Bus Traffic Sniffer (/dev/ttyUSB0)