45MUAAQ: Owner’s Manual
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
3
FOR CLASS B DIGITAL DEVICE
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try t o correct the
interference by one or more of the following measures:
• Reorient or relocate the receiving antenna
• Increase the distance between the equipment and the receiver
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for assistance.
MODIFICATION: Any changes or modifications not expressly approved by the grantee of this device could void the user’s authority to operate this
device.
Minimum Room Area Requirements
Refer to the Installation Manual for Amin Table.
AIRFLOW INFORMATION
When the unit detects a refrigerant leak, the minimum airflow of the unit is as follows:
Table 3 — Airflow
ROOM SIZE RESTRICTIONS
The appliances are connected via an air duct system to one or more rooms. The bottom of the air outlet of the air duct in the room should be at a height
of >7.3ft/2.2m from the floor. In UL/CSA 60335-2-40, the R454B refrigerant belongs to mildly flammable refrigerants, which will limit the room area
of the system service. Similarly, the total amount of refrigerant in the system should be less than or equal to the maximum allowable refrigerant charge,
which depends on the room area serviced by the system.
Table 1 – Compatibility Tables
37MUHAQ Model Compatibility
Model Indoor Outdoor
18k 45MUAAQ18XX3 37MUHAQ18AA3
24k 45MUAAQ24XX3 37MUHAQ24AA3
30k 45MUAAQ30XX3 37MUHAQ30AA3
36k 45MUAAQ36XX3 37MUHAQ36AA3
48k 45MUAAQ48XX3 37MUHAQ48AA3
60k 45MUAAQ60XX3 37MUHAQ60AA3
37MURAQ Model Compatibility
Model Indoor Outdoor
18k 45MUAAQ18XX3 37MURAQ18AA3
24k 45MUAAQ24XX3 37MURAQ24AA3
30k 45MUAAQ30XX3 37MURAQ30AA3
36k 45MUAAQ36XX3 37MURAQ36AA3
48k 45MUAAQ48XX3 37MURAQ48AA3
60k 45MUAAQ60XX3 37MURAQ60AA3
Model 18K 24K 30K 36K 48K 60K
Nominal Air Volume
400CFM (680m3/h) 400CFM (680m3/h) 447CFM (760m3/h) 541CFM (920m3/h) 706CFM (1200m3/h) 795CFM (1350m3/h)
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