From e99970528604e62f49dc66e9eaab9f9c91c74914 Mon Sep 17 00:00:00 2001
From: Jean-Marc Collin <jean-marc.collin-extern@renault.com>
Date: Tue, 2 Jul 2024 05:17:14 +0000
Subject: [PATCH] Issue 474 - TPI in AC mode is wrong

---
 custom_components/versatile_thermostat/prop_algorithm.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/custom_components/versatile_thermostat/prop_algorithm.py b/custom_components/versatile_thermostat/prop_algorithm.py
index 3cd4aee..c129262 100644
--- a/custom_components/versatile_thermostat/prop_algorithm.py
+++ b/custom_components/versatile_thermostat/prop_algorithm.py
@@ -70,9 +70,9 @@ class PropAlgorithm:
             if hvac_mode == HVACMode.COOL:
                 delta_temp = current_temp - target_temp
                 delta_ext_temp = (
-                    ext_current_temp
+                    ext_current_temp - target_temp
                     if ext_current_temp is not None
-                    else 0 - target_temp
+                    else 0
                 )
             else:
                 delta_temp = target_temp - current_temp