Section 7, Plumbing the System
International Thermal Research
7-7
Prior to operating the engine pre-heat pump, the engine coolant loop
must be connected to the Oasis
®
Zephyr and the coolant lines
purged of air. Failure to purge the engine coolant loop prior to
operating the circulation pump, will damage the pump.
Figure 7-5 Engine Heat / Pre-heat System Plumbing
7.6 Procedure for Filling/Purging the
Oasis
®
Zephyr Heating System
1 Do not operate the Oasis
®
Zephyr until the entire circulation
system has been filled with the proper heat transfer fluid
solution and all trapped air has been bled from the system. An
inadequate mixture may cause system circulation problems and
potential system damage and/or personal injury.
Use only a non-toxic, propylene glycol-based coolant with
additives recognized as safe “GRAS” by the FDA. Refer to the
anti-freeze/heat transfer fluid manufacturers recommendations
and instructions for your application.
WARNING
