Hi guys.

I am new to this forum, this is my first post.
I live in cold Norway and my 2 litre diesel uses a long time to get warm and therefor I am freezing for a long time every morning. I had a Eberspacher diesel powered heater laying around in my garage.

So this Christmas i decided to fit it to the car.
The heater produses 3,3 kW (3000 watts) so it makes a lot of heat.

My problem is this: The heater fires up when i start it, right after i have started the engine. The heater is located between the upper radiator hose and the coolant valves/auxiliary coolant pump. Since the coolant valves/auxiliary coolant pump is closed / not running until the engine is about 40 degrees Celcius (if i have understand the system correct) the heater have a small volume of water to heat.
When the heater reaches about 75 degrees Celcius it turns it self off.
So i am thinking, if i could get the coolant valves/auxiliary coolant pump to start before, the coolant would circulate and then the heater would run for a longer time, thus giving more heat to the coolant.

Can anyone help me with thinking out a solution to get the coolant circulating more?
Thanks for any input!