MID-STATIC DUCTED UNIT
Part 1: General
1.1 Description
A. The mid-static ducted indoor unit completes the system when connected to the matching outdoor unit and field-
supplied piping and wiring.
1.2 Warranty
A. The mid-static ducted indoor unit shall be covered by a manufacture parts warranty. See appendix for full
warranty detail.
1.3 Sound Pressure Rating
USYM09UCDSA
USYM12UCDSA
USYM18UCDSA
Part 2: Installation Requirements
2.1 Condensate
A. The mid-static ducted indoor unit shall ship with an insulated drain tube adapter that is sized for 3/4-inch PVC
on one end.
B. The mid-static ducted indoor unit shall have a gravity drain port on one side of the unit.
2.2 Clearances
A. The installer must follow the minimum clearances illustrated in the installation manual when installing the indoor unit.
2.3 Mounting
A. The mid-static ducted indoor unit shall have 4 hanging brackets that are sized for 3/8 threaded rod.
B. The installer must use 3/8 threaded rod to suspend the mid-static ducted indoor unit from the building structure.
C. The installer must install the unit upright and level in all directions.
Part 3: Electrical Requirements
3.1 Electrical Disconnect
A. Connecting wire must be continuous, without break, unless local code requires power disconnect next to indoor unit.
B. If a disconnect is required by local code, it must be a 3-pole, single-throw type.
31-5000585 Rev. 0
Model
Blower Pressure Sound Rating dB(A) (turbo/high/medium/low/quiet)
Model
USYM09UCDSA
USYM12UCDSA
USYM18UCDSA
44/41/38/35/32
47/44/41/38/35
48/45/42/39/36
Fan Motor Rating (HP)
0.18
0.18
0.27
17