Friday, December 10, 2010

Hydronic D4 (Ram Application) Installation, Troubleshooting & Repair Manual

10:14 PM by onesecond ·
Espar’s Hydronic D4 heater offers an affordable heating solution for small trucks, particularly for Dodge Ram users. Its com- pact size enables a simple installation and eliminates the need for electrical plug-ins. The heater is quality engineered to provide a dependable means of heating and is capable of putting out between 5,500 to 13,700 BTU’s/hr. It features automatic heat regulation while being fuel and power efficient.
The heater pumps coolant from the engine, heats it and returns it to the engine. By routing the hot coolant through the vehicles heat exchanger it is also possible to heat the interior of the vehicle.
Since the heater runs on diesel fuel using 12 volt power, it is able to operate completely independent of the vehicle engine. A temperature regulating switch in the unit regulates the coolant temperature between a low of 65°C (149°F) and a high of 80°C (176°F) by automatically cycling the heater.
The Hydronic D4 is controlled from the vehicle cab by a timer which can be set to come on from up to 7 days in advance.
A flame sensor, temperature regulating and overheat switch are among the safety features which make the Hydronic D4 a safe and dependable heating system. Espar’s 7 day timer is capable of setting up to 3 preset start times within 24 hrs. or 1 start time within 7 days. It also has other functions such as a current time display and diagnostic capabilities. Refer to instructions provided with timer for setting options.
Note: For ease of install, please follow instructions in sequence. All circled numbers indicate preparation steps.

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