Use and Care Manual

Page 19
Installation Diagram
mrcool.com
Number of units that can be
used together
Connected units 1-5 units
Unit: feet (meters)
When installing multiple indoor units with a single outdoor unit, ensure that the length of the
refrigerant pipe and the drop height between the indoor and outdoor units meet the requirements
illustrated in Fig. 4.2 below:
18K
2-Zone
Condenser
27K
3-Zone
Condenser
Max. combined line set
length for all rooms
123 ft
(37.5 m)
172.2 ft
(52.5 m)
Max. line set length
for one indoor unit
73.8 ft
(22.5 m)
73.8 ft
(22.5 m)
Max. height difference
between indoor & outdoor unit
32.8 ft
(10 m)
32.8 ft
(10 m)
Max. height difference
between indoor units
33 ft
(10 m)
33 ft
(10 m)
36K
4-Zone
Condenser
48K
5-Zone
Condenser
221.5 ft
(67.5 m)
73.8 ft
(22.5 m)
73.8 ft
(22.5 m)
221.5 ft
(67.5 m)
32.8 ft
(10 m)
49.2 ft
(15 m)
33 ft
(10 m)
33 ft
(10 m)
Line Set Length Specifications
33 ft (10 m)
Indoor unit
Indoor unit
Indoor unit Outdoor unit
18K-36K
Condenser
32.81 ft (10 m)
48K
Condenser
49.21 ft (15 m)
18K-36K
Condenser
32.81 ft (10 m)
48K
Condenser
49.21 ft (15 m)
Maximum Height
Difference
Fig. 4.2