Furnace – general information Back    Home
The furnace performs the tasks listed below.
Note: It must be turned on to perform one or all of the tasks.
  • Interior heating - Supplies hot water to your fan units.
  • Domestic water – Heats the domestic water.

• Engine pre-heat (optional) – Pre-heats the engine coolant.
 
Additional system functions.
  • Engine waste heat – When traveling the engine coolant is circulated through an exchanger to heat the coolant in the furnace.

System Controls
Remote switch – This switch is located inside the coach and will turn the furnace on and off.

Fan switch – There may be several of these switches located throughout the coach. They turn the fan units on and off and control the fan speed.

Thermostats – There is a thermostat for each heating zone in your coach. You set these to the desired temperature in each heating zone.

Engine waste heat switch – This activates the system pump to circulate the coolant in the furnace. It is normally located near the dashboard.

Engine pre-heat switch (optional) – This switch would be located inside the coach. It activates a circulation pump to pre-heat the engine coolant.

Service switch – This switch is located on the side of the main control board near the furnace. It must be “on” for the furnace to operate. It is used to troubleshoot the furnace.