Oasis Concepts Diesel and AC Heating System for Recreational Vehicles and Yachts - Manual (Page 69)

Section 9, Installing the Distribution Module
Figure 9-7: Connecting two Heating loops.
Use only a non-toxic propylene glycol based coolant with
additives generally recognized as safe ”GRAS” by the FDA in the
coolant side of the Distribution Module. Refer to the anti-freeze
manufacturer recommendations for instructions for your
particular application.
! DANGER
Do not operate the Oasis™ Heating Module and Distribution
Module, DM12 (Optional) until coolant is in the Oasis™ Heating
Module and Distribution Module and all trapped air has been
bled.
WARNING NOTICE
NOTICE
All plumbing lines must be run and secured so as to prevent
damage, chafing and kinking.
9.5 Filling/Purging the heating system
The Distribution module contains two valves with ½”NPT
connections to be used for filling the heating loop. To initially fill
up and bleed the air out of the system, do the following:
1. Connect a hose to the outlet of a diaphragm pump and to the
“fill inlet valve” on the distribution module. Attach a hose to the
International Thermal Research 9-7