Bryant manual GUIDE SPECIFICATIONS - 548J*04-09, Rooftop Packaged Heat Pump

548J

GUIDE SPECIFICATIONS - 548J*04-09

Note about this specification:

Bryant created this specification in “Masterformat” as published by the Construction Specification Institute. Please feel free to copy this specification directly into your building specifications.

Rooftop Packaged Heat Pump

HVAC Guide Specifications

Size Range: 3 to 8.5 Nominal Tons

This product has been designed and manufactured to meet Energy Star® criteria for energy efficiency. However, proper refrigerant charge and proper air flow are critical to achieve rated capacity and efficiency. Installation of this product should follow all manufacturer’s refrigerant charging and air flow

instructions. Failure to confirm proper charge and air flow may reduce energy efficiency and shorten equipment life.

Section Description

23 06 80 Schedules for Decentralized HVAC Equipment

23 06 80.13 Decentralized Unitary HVAC Equipment Schedule

23 06 80.13.A. Rooftop unit schedule

1.Schedule is per the project specification requirements.

23 07 16 HVAC Equipment Insulation

23 07 16.13 Decentralized, Rooftop Units:

23 07 16.13.A. Evaporator fan compartment:

1.Interior cabinet surfaces shall be insulated with a minimum 1/2-in. thick, minimum 1 1/2 lb density, flexible fiberglass insulation bonded with a phenolic binder, neoprene coated on the air side.

2.Insulation and adhesive shall meet NFPA 90A requirements for flame spread and smoke generation.

23 07 16.13.B. Electric heat compartment:

1.Aluminum foil-faced fiberglass insulation shall be used.

2.Insulation and adhesive shall meet NFPA 90A requirements for flame spread and smoke generation.

23 09 13 Instrumentation and Control Devices for HVAC

23 09 13.23 Sensors and Transmitters

23 09 13.23.A. Thermostats

1.Thermostat must

a.have capability to energize 2 different stages of cooling, and 2 different stages of heating.

b.include capability for occupancy scheduling.

23 09 23 Direct-digital Control system for HVAC

23 09 23.13 Decentralized, Rooftop Units:

23 09 23.13.A. N/A

23 09 23.13.B. Multi-protocol, direct digital controller:

1.Shall be ASHRAE 62-2001 compliant.

2.Shall accept 18-30VAC, 50-60Hz, and consumer 15VA or less power.

3.Shall have an operating temperature range from -40_F (-40_C) to 130_F (54_C), 10% - 90% RH (non-condens- ing).

4.Shall include built-in protocol for BACNET (MS/TP and PTP modes), Modbus (RTU and ASCII), Johnson N2 and LonWorks. LonWorks Echelon processor required for all Lon applications shall be contained in separate com- munication board.

5.Shall allow access of up to 62 network variables (SNVT). Shall be compatible with all open controllers

6.Baud rate Controller shall be selectable using a dipswitch.

68