OPERATION
ALL MODELS
1.
Connection:
a.
Connect one line from isolated trunk line to pump outlet;
b.
Connect second circulation line to the inlet of the tub.
2.
Filling unit with glycol
a.
Remove top deck / cover from the unit;
b.
Fill the bath with 50/50 glycol and water solution up to 1” from the bath
top;
c.
Replace top deck / cover unit;
d.
Make sure all re-circulation lines are properly connected and turn the
pump motor on.
e.
Liquid level will drop until circulation lines are full;
f.
Refill with water approximately 1” from cover.
g.
Temperature will slowly drop to 30°F. on thermostat/outlet gauge;
For MM-033:
h.
Temperature will slowly drop to 34°F. on inlet temperature gauge;
i.
Temperature on return line (inlet gauge) should be no more than 3° or 4°F
more than outlet gauge, if installation was done properly and quality trunk
line is used. If trunk housing is inside a PVC chase where there is water
present, it will cause large temperature differentials between the gauges;