Specifications - State of Delaware

SECTION 238126 - SPLIT-SYSTEM AIR-CONDITIONING UNITS: continued
C. Refrigerant Coil: Copper tube, with mechanically bonded aluminum fins, complying with
ARI 210/240, and with liquid subcooler. Provide with manufacturer's optional coil coating for
coastal areas.
D. Fan: Aluminum-propeller type, directly connected to motor.
E. Motor: Permanently lubricated, with integral thermal-overload protection.
F. Low Ambient Kit.
G. Mounting Base: Polyethylene.
2.05 ACCESSORIES:
A. Control equipment is specified in SECTION 230900 - HVAC INSTRUMENTATION AND
CONTROLS.
B. Provide wall mounted controller for each evaporator unit to control compressor and evaporator
fan. Provide with Bacnet compatible system gateway for connection to the building DDC
System. DDC system shall receive alarms, temperature and on/off status; and shall control
on/off operation and temperature setpoints.
C. Automatic-reset timer to prevent rapid cycling of compressor.
D. Refrigerant Line Kits: Soft-annealed copper suction and liquid lines factory cleaned, dried,
pressurized, and sealed; factory-insulated suction line with flared fittings at both ends.
2.06 FAN COIL UNIT CONDENSATE PUMP:
A. Basis of Design: Little Giant Model #VCMA-15 ULS or approved equal.
B. 1/2 gallon, ABS plastic condensate pump unit shall include vertical-type pump with stainless
steel motor shaft, galvanized steel tank cover and integral float/switch assembly. Thermally
protected motor shall be UL-listed. Pump shall feature a safety switch that can be wired to a
DDC alarm to warn of possible tank overflow. Provide with check valve on pump outlet. Shut
off head shall be minimum 15 feet.
PART 3 - EXECUTION
3.01 INSTALLATION:
A. Install units level and plumb.
B. Install evaporator-fan components using manufacturer's standard mounting devices securely
fastened to building structure.
C. Install ground-mounting, compressor-condenser components on polyethylene mounting base.
D. Install seismic restraints. Refer to SECTION 230548 - MECHANICAL VIBRATION AND
SEISMIC CONTROL.
E. Install compressor-condenser components on restrained, spring isolators with a minimum static
deflection of 1 inch. Refer to SECTION 230548 - MECHANICAL VIBRATION AND
SEISMIC CONTROL.
F. Install and connect precharged refrigerant tubing to component's quick-connect fittings. Install
tubing to allow access to unit.
3.02 CONNECTIONS:
A. Piping installation requirements are specified in other DIVISION 23 Sections. Drawings
indicate general arrangement of piping, fittings, and specialties.
B. Install piping adjacent to unit to allow service and maintenance.
C. Ground equipment according to DIVISION 26.
D. Electrical Connections: Comply with requirements in DIVISION 26 for power wiring,
switches, and motor controls.
DEAN238126.DOC 238126-3