Friedrich MR24DY3JMA Manuel D'installation page 20

Installation
Attention
1. Possible drain-head height is up to 27 9/16
inch(700mm). So, it must be installed below
27 9/16 inch(700mm).
2. Keep the drain hose downward up to
1/50~1/100 inclination.
Prevent any upward flow or reverse flow in
any part.
3. 3/16 inch(5mm) or thicker formed thermal
insulator is provided for the drain pipe.
4. Upward routing is not allowed.
5. Be sure to check the drain pump for normal
operation and abnormal noise when electri-
cal wiring is complete.
20
Unit
Elbow
Drain pump
1/50~1/100
MAX 27 9/16 inch
(700mm)
Thermal insulator
(Local supply)
Drain pipe
(Local supply)
Wall
Drain hose