Figure 7-5 Engine Heat / Pre-Heat System Plumbing - ITR Hurricane Zephyr HW Installation And Operating Manual

Section 7, Plumbing the System
WARNING
International Thermal Research
Prior to operating the engine pre-heat pump, the engine coolant loop
must be connected to the Hurricane
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
Hurricane
1 Do not operate the Hurricane
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.
®
Zephyr and the coolant lines
Zephyr Heating System
®
®
Zephyr until the entire
7-7