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GUIDE SPECIFICATIONS -- 558J*04--07
Note about this specification:
Bryant wrote this specification in the 2004 version of the “Masterformat” as published by the Construction Specification
Institute. Please feel free to copy this specification directly into your building spec.
HVAC Guide Specifications
Size Range: 3 to 6 N ominal Tons
the environmentally sound refrigerant
Thisproducthasbeen designedandmanufacturedto
meetEnergyStar®criteriaforenergyefficiency.
However,proper refrigerantchargeandproperair flow
arecriticaltoachieveratedcapacityandefficiency.
Installationofthisproductshouldfollowall
manufacturer’srefrigerantchargingandairflow
instructions.Failuretoconfirmproperchargeand
airflowmayreduceenergyefficiencyandshorten
equipmentli f e.
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 proj ect specification re quirements.
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 flam e spread and smoke generation.
23 07 16.13.B. Electric heat c ompartment:
1. Aluminum foil--faced fiberglass insulation shall be used.
2. Insulation and adhesive shall meet NFPA 90A requirements for flam e 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. energize both “W” and “G” when calling for heat.
b. have capability to energize 2 different stages of cooling, and 2 different stages of heating.
c. must 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. Open 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 t emperature range from --40_F(--40_C) to 130_F(54_C), 10% -- 90% RH (non--con-
densing).
4. Shall include built--in protocol for BACNET (MS/TP and PTP modes), Modbus (RT U and ASCII), Johnson
N2 and LonWorks. LonWorks Echelon processor required for all Lon applications shall be contained i n separ-
ate communication 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.
558J