237219FIXED_PLATE_AIR_A02.pdf

Co-Located Sitka Office Renovation Sitka, Alaska Construction Documents July 7, 2014

SECTION 237219 – FIXED PLATE AIR TO AIR ENERGY EXCHANGERS

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes fixed plate air to air energy recovery ventilators and accessories.

1.2 ACTION SUBMITTALS

A. Product Data: Include rated capacities, operating characteristics, furnished specialties, and accessories.

B. Shop Drawings: Detail equipment assemblies and indicate dimensions, weights, loads, required clearances, method of field assembly, components, and location and size of each field connection.

1.3 CLOSEOUT SUBMITTALS

A. Operation and maintenance data.

1.4 QUALITY ASSURANCE

A. ASHRAE Compliance: Applicable requirements in ASHRAE 62.1, Section 5 - "Systems and Equipment" and Section 7 - "Construction and Startup."

B. ASHRAE/IESNA 90.1 Compliance: Applicable requirements in ASHRAE/IESNA 90.1, Section 6

- "Heating, Ventilating, and Air-Conditioning."

PART 2 - PRODUCTS

2.1 AIR TO AIR ENERGY EXCHANGER CORE (ERV-1)

A. Manufacturers:

1. Building Performance Equipment, Inc.

2. Or approved equal.

B. Description: Factory-packaged and tested units rated according to ARI 1060, and

ANSI/UL 1995.

C. Efficiency: Comply with scheduled efficiencies (better than 80% sensible heat transfer efficiency and better than 11% latent transfer efficiency) Note: This is NOT apparent sensible effectiveness). When combined with fans achieve maximum 1.5 CFM/Watt and provide heat exchange core with maximum 0.3”SP drop at scheduled air flows.

FIXED PLATE AIR TO AIR ENERGY EXCHANGERS 237219 - 1

AG-0116-S-14-0021

Amendment 002

Co-Located Sitka Office Renovation Sitka, Alaska Construction Documents July 7, 2014

2.2 PACKAGED AIR TO AIR ENERGY RECOVERY VENTILATOR (ERV-2)

A. Manufacturers:

1. Lossnay

2. Or approved equal.

B. Description: Factory-packaged and tested units rated according to ARI 1060, and

ANSI/UL 1995.

C. Efficiency: Comply with scheduled efficiencies (better than 66% sensible heat transfer efficiency and better than 11% latent transfer efficiency) Note: This is NOT apparent sensible effectiveness). Total fan power shall be 1.0 CFM/Watt

PART 3 - EXECUTION

3.1 INSTALLATION

A. Install units to comply with NFPA 90A.

B. Suspend units from structure with elastomeric hangers. Vibration isolators are specified in Division 23 Section "Vibration and Seismic Controls for HVAC Piping and Equipment."

C. Install new filters for each unit within two weeks after Substantial Completion.

D. Connect supply, return, outside air, and exhaust ducts to units with flexible duct connectors specified in Division 23 Section "Air Duct Accessories." Comply with safety requirements in UL 1995 for duct connections.

E. Units shall be stored and handled per manufacturer’s recommendations.

3.2 WARRANTY

A. Provide warranty for parts and labor that units are free from defects in materials and workmanship under normal use and service for 18 months after substantial completion.

B. Provide warranty for parts only for 20 years that units shall not become unusable for providing breathable air due to rust, rot, or corrosion due to exposure to liquid water.

END OF SECTION 237219

FIXED PLATE AIR TO AIR ENERGY EXCHANGERS 237219 - 2

AG-0116-S-14-0021

Amendment 002