SECTION 15782

PACKAGED TERMINAL AIR CONDITIONING UNITS

PART 1 GENERAL

SECTION INCLUDES

Packaged terminal air conditioning units.

Packaged terminal heat pump units.

Wall sleeves and louvers.

Controls.

PRODUCTS FURNISHED BUT NOT INSTALLED UNDER THIS SECTION

Section [_____ - __________:] Installation of wall sleeves in finished wall assembly.

Section 15952 - Controls and Instrumentation: Installation of thermostats and other control components.

****** [OR] ******

Section 16180 - Equipment Wiring Systems: Installation of thermostats and other control components.

RELATED SECTIONS

Section 15952 - Controls and Instrumentation.

Section 16180 - Equipment Wiring Systems: Electrical supply to units.

REFERENCES

ARI 210 - Unitary Air-Conditioning Equipment.

ARI 240 - Air Source Unitary Heat Pump Equipment.

ARI 270 - Sound Rating of Outdoor Unitary Equipment.

MIL-H-22547B - Heat Pump, Heating and Cooling (Unitary).

MOCKUP

Provide mockup of installation of one unit under provisions of Section [01400.] [01405.]

Approved mockup may [not] remain as part of the Work.

SUBMITTALS

Submit [shop drawings and] product data under provisions

of Section [01300.] [01340.]

Submit [shop drawings and] product data for manufactured products and assemblies required for this project.

Indicate water, drain, and electrical rough-in connections on [shop drawings or] product data.

Submit samples under provisions of Section [01300.] [01340.]

Submit [one] [_____] sample of [wall louver.] [finished cabinet.] [wall mounted control panel.]

Submit manufacturer's installation instructions under provisions of Section [01300.] [01340.]

OPERATION AND MAINTENANCE DATA

Submit operation and maintenance data under provisions of Section [01700.] [01730.]

Include manufacturer's descriptive literature, operating instructions, installation instructions, and maintenance and repair data.

DELIVERY, STORAGE, AND HANDLING

Deliver products to site under provisions of Section [01600.] [01610.]

Store and protect products under provisions of Section [01600.] [01620.]

Protect finished cabinets from physical damage by leaving factory packing cases in place before installation and providing temporary covers after installation.

WARRANTY

Provide [five] [_____] year [manufacturer's] warranty under provisions of Section [01700.] [01740.]

Warranty: Include coverage of [refrigeration compressors.] [________________.]

PART 2 PRODUCTS

MANUFACTURERS

[____________________________________________.]

[____________________________________________.]

[____________________________________________.]

Substitutions: Under provisions of Section [01600.] [01630.]

MANUFACTURED UNITS

Provide packaged, self-contained, through-the-wall [air] [water] cooled terminal [air conditioning] [heat pump] units, with [wall sleeve,] room cabinet, electric regrigeration system, [electric] [hot water] heating, [outside air louvers,] [built-in] [remote] temperature controls.

CABINET

Cabinet: [Wall mounted] [Floor mounted] [Sub-base mounted] of 18 gage (1.20 mm) galvanized steel with [epoxy coated] [baked enamel] finish, removable front panel with concealed latches, [_____] color[.] [as selected.]

Discharge Grill and Access Door: [Removable] [Integral] [punched louver] [extruded aluminum] discharge grills[,] [allowing 4-way discharge air pattern,] with hinged door in top of cabinet for access to controls.

WALL SLEEVES AND LOUVERS

Wall Sleeves: [_____] inches ([_____] mm) deep, 16 gage (1.50 mm) galvanized steel with protective mastic coating.

Louvers: [Flush] [Companion flanged] anodized aluminum, [_____] color[.] [as selected.]

CHASSIS

Refrigeration System:

Direct expansion cooling coil.

Hermetically sealed compressor with internal spring isolation, external isolation, permanent split capacitor motor and overload protection.

Accumulator.

Condenser coil and fan.

Coaxial tube in tube condenser with water regulating valve.

Capillary restrictor[.] [and constant pressure expansion valve.]

Reversing valve.

Air System: Centrifugal forward curved evaporator fans with [two speed] permanent split capacitor motor, permanent washable filters, positive pressure ventilation damper with concealed manual operator.

Heating Coil: [Electric.] [Hot water.]

Condensate Drain: Drain pan to direct condensate to condenser coil for re-evaporation.

Condenser Fan: [Centrifugal, forward curved] [Propeller] type [with separate permanent split capacitor motor.] [driven by evaporator fan motor.]

CONTROLS

Control Module: [Unit] [Remote] mounted adjustable thermostat with heat anticipator, [heat-cool-off] [off-heat-auto-cool] switch, [high-low] fan switch.

Low Ambient Lockout Control: Below 35 degrees F (2 degrees C), outdoor thermostat shall [prevent compressor operation.] [switch to reverse cycle heating on cooling mode and on heat mode.]

PERFORMANCE

Air Cooled Units:

Total cooling capacity of [_____] Btu/hr ([_____] W) with maximum EER of [_____] Btu/hr/Watt, at ARI 210 test conditions.

Electric resistance heating capacity of [_____] Btu/hr ([_____] W).

Reverse cycle heating capacity of [_____] Btu/hr ([_____] W) with COP of [_____,] at ARI 240 [high] [low] temperature new test conditions.

Unit Sound Number [_____] in accordance with ARI 270.

Water Cooled Units:

Total cooling capacity of [_____] Btu/hr ([_____] W) with maximum EER of [_____] Btu/hr/Watt at ARI 210 test conditions.

Electric resistance heating capacity of [_____] Btu/hr ([_____] W).

Reverse cycle heating capacity of [_____] Btu/hr ([_____] W) with COP of [_____,] [_____] gpm ([_____] L/sec) condenser water entering at [_____] degrees F ([_____] degrees C), at ARI 240 test conditions.

Unit Sound Number [_____] in accordance with ARI 270.

PART 3 EXECUTION

INSTALLATION

Install in accordance with manufacturers' instructions.

Coordinate installation of units with architectural, [mechanical,] and electrical work.

Supply units fully charged with refrigerant and filled with oil.

Scheduled performance is based on [ARI 210] [ARI 240] test conditions. [Scheduled sound rating is based on ARI 270.]

SCHEDULE

Drawing_Code	PTAC-1	PTAC-2

Location

Manufacturer

Model Number

Total Cooling Capacity

Cooling EER

Electric Resistance Heating Capacity

Reverse Cycle Heating Capacity

Reverse Cycle COP

Condenser Water Flow

Condenser Water Temperature

END OF SECTION