15671-1
SECTION 15671
DUCTLESS SPLIT SYSTEM HEAT PUMP UNITS
PART 1 - GENERAL
1.1 DESCRIPTION
A. Work Included: Furnish and install ductless split system heat pump systems of the
size and capacities as shown on the drawings. Each unit shall include an outdoor
condensing unit, high wall mounted direct expansion fan coil unit, refrigeration
specialties, refrigerant charge and wired remote control.
B. Related Work Specified Elsewhere.
1. "HVAC - General" is specified in this Division.
12 QUALITY ASSURANCE
A. Each system shall be rated and certified in accordance with ARI Standards 210/240
and 270. Components shall be listed in the ARI directory as matched sets (systems).
B. Unit construction shall comply with ANSI/ASHRAE 15, latest revision, the NEC and
be constructed in accordance with UL standards and shall carry the UL label of
approval.
PART 2 - PRODUCTS
2.1 MATERIALS
A. Condensing Unit
1. Unit Cabinet:
a. The casing shall be constructed from galvanized steel plate, finished with
an electrostatically applied, thermally fused acrylic or polyester powder
coating for corrosion protection and have a Munsell 3Y 7.8/1.1 finish.
b. Mounting feet shall be provided and shall be welded to the base of the
cabinet and be of sufficient size to afford reliable equipment mount and
stability.
c. Easy access shall be afforded to all serviceable parts by means of
removable panel sections.
d. The fan grill shall be of ABS plastic.
2. Fans:
a. The fan blades shall be of aerodynamic design for quiet operation, and the
fan motor bearings shall be permanently lubricated.
b. Theunit shall have horizontal discharge airflow. The fan shall be mounted
in front of the coil, pulling air across it from the rear and dispelling it
through the front. The fan shall be provided with a raised guard to prevent
external contact with moving parts
3. | Compressor:
a. The compressor shall be a DC twin-rotor rotary compressor with variable
speed inverter drive.
13089K
