The purpose of this thread is Technical, to understand the components in the Hybrid Climate Control System, and how they function as a system.
my car is a late 2016 30KwH SV I have read through the Using the Heater Efficiently thread.
From that, I picked up some ideas that may or may not be correct about the Climate Control System,
what it is composed of, and how it may work.
What I think is true:
The heater is composed of 2 parts 1. A Heat Pump.. basically a Freon compressor/evaporator that can Heat or Cool.
2. A Resistance Type Heating Coil ( someone referred to as PTC heater ??)
essentially the same as the only heater in 11-12 and S models.
My understanding is:
A) The heat pump uses waste heat from the liquid cooled motor controller and DC-DC inverter to augment or provide heating/cooling.
Energy consumption appears to be about 500 watts 1/2 Kw. for the Heat Pump.
B. The Resistance Heater is also used at times during the heating or defrosting cycle. and Draws 1500 to 3000 watts
1.5 to 3 Kw.
C. The Auto Mode controls the above, plus vents and recirc air .
D. Both Resistance and Heat Pump work simultaneously at some times.
Q #1. Is any of the above incorrect.
Q #2. How do I prevent the Resistance Heater from coming on while driving ?
Q#3. Is defrosting possible without the resistance heater ?
Q#5. How does the system switch between Resistance, Heat Pump and combined Heat/AC operation..
and most important what controls or over-rides do I have ?
As an aside.. I was shocked when I saw the heater/defroster drawing 1500 watts and dumbfounded when I saw 3Kw !
of course this was when the car was stone cold. Foolish me.. I had no idea the car still had a resistance heater !
Spent big money over the S-30 just to ditch that !
anyway.. I would really like to understand the components in the system.. and how they are programmed to
function ( by Nissan) and how I can control them... with out the hot water bottle and lap blanket anecdotes.