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Table Of Contents
- PART 1 - GENERAL
- 1.1 SECTION INCLUDES
- 1.3 REFERENCES
- C. Department of Energy (DOE), units rated to
- D. ISO 9001, units manufactured to quality standard
- 1.4 PERFORMANCE REQUIREMENTS
- 1.5 SUBMITTALS
- A. General: Submit listed submittals in accordance with Conditions of the Contract and Division 01 Submittal Procedures.
- B. Product Data: Submit product data for specified products.
- C. Shop Drawings:
- 1. Submit shop drawings in accordance with Section [01 33 00 - Submittal Procedures]
- 2. Indicate:
- a. Equipment, piping and connections, together with valves, strainers, control assemblies, thermostatic controls, auxiliaries and hardware, and recommended ancillaries that are mounted, wired and piped ready for final connection to building system, it...
- b. Piping, valves and fittings shipped loose showing final location in assembly
- c. Control equipment shipped loose, showing final location in assembly
- d. Field wiring diagrams
- e. Dimensions, internal and external construction details, installation clearances, recommended method of installation, sizes and location of mounting bolt holes.
- f. Detailed composite wiring diagrams for control systems showing factory installed wiring and equipment on split systems or required for controlling devices or ancillaries, accessories, controllers.
- D. Quality Assurance:
- 1. Test Reports: Certified test reports showing compliance with specified performance characteristics and physical properties
- 2. Certificates: Product certificates signed by manufacturer certifying materials comply with specified performance characteristics and criteria and physical requirements
- 3. Manufacturer’s Instructions: Manufacturer’s installation instructions
- E. Manufacturer’s Field Reports: Manufacturer’s field reports specified
- F. Closeout Submittals: Submit the following:
- 1. Warranty: Warranty documents specified
- 2. Operation and Maintenance Data: Operation and maintenance data for installed products in accordance with Division 1 Closeout Submittals (Maintenance Data and Operation Data) Section. Include methods for maintaining installed products and precaution...
- 3. Provide brief description of unit, with details of function, operation, control and component service
- 4. Commissioning Report: Submit commissioning reports, report forms and schematics in accordance with Section [01 91 00 - Commissioning]
- 1.6 QUALITY ASSURANCE
- 1.7 DELIVERY, STORAGE & HANDLING
- A. General: Comply with Section [01 61 00 - Common Product Requirements]
- B. Ordering: Comply with manufacturer’s ordering instructions and lead time requirements to avoid construction delays
- C. Packing, Shipping, Handling and Delivery:
- D. Storage and Protection:
- E. Waste Management and Disposal:
- 1. Separate waste materials for [Reuse] [And] [Recycling] [_____] in accordance with Section [01 74 19 - Construction Waste Management and Disposal] [_____].
- 2. Remove from site and dispose of packaging materials at appropriate recycling facilities.
- 3. Collect and separate for disposal [Paper] [Plastic] [Polystyrene] [Corrugated cardboard] [_____] packaging material [In appropriate onsite bins] [_____] for recycling.
- 1.8 WARRANTY
- A. Project Warranty: Refer to Conditions of the Contract for project warranty provisions
- B. Manufacturer’s Warranty: Submit, for Owner’s acceptance, manufacturer’s standard warranty document executed by authorized company official. Manufacturer’s warranty is in addition to, and not a limitation of, other rights Owner may have under Contra...
- C. Warranty: Commencing on Date of Installation
- PART 2 - PRODUCTS
- 2.2 HEAT PUMP OUTDOOR UNITS/SPLIT SYSTEM UNITS
- A. Manufacturer: Lennox Industries.
- B. Proprietary Products/Systems: ML14XP1TP, MERITT-Class Split System Units, including the following equipment:
- 1. Cabinet:
- 2. Compressor:
- a. Scroll type
- b. Resiliently mounted on rubber mounts for vibration isolation
- c. Internal excessive current and temperature protection
- d. Crankcase heater
- e. [Accessories:]
- 1) [Low Ambient Cut-Off: nonadjustable switch to prevent compressor operation at outdoor temperatures below 35 degrees F (2 degrees C)]
- 2) [Compressor Sound Cover: Reinforced vinyl cover containing 1 1/2 inches (38 mm) thick fiberglass insulation batt]
- 3) [Compressor Timed-Off Control: kit prevents short cycling]
- 3. Refrigerant System:
- a. Refrigerant: R410-A
- b. Outdoor Coil Fan:
- a. Fan service access by removal of top panel
- c. Copper Tube/FinQuantum Coil:
- 1) Lennox designed and fabricated coil
- 2) Superior corrosion resistance
- 3) Ripple-edge aluminum fins
- 4) Aluminum tub construction
- 5) Lanced fins for maximum fin surface exposure
- 6) Fin collars grip tubing for maximum contact area
- 7) Flared shoulder tubing connections
- 8) Factory tested under high pressure
- 9) Entire coil is accessible for cleaning
- a. Copper tube with flared shoulder connections and silver solder construction
- a. Lanced, ripple-edged aluminum fins
- a. PVC coated steel wire coil guard
- a. Coil is leak tested at factory
- a. Entire coil is accessible for cleaning
- d. Factory installed and piped outdoor unit expansion valve
- e. High Capacity Liquid Line Drier
- f. Factory installed, 4-way interchange reversing valve
- g. [High Pressure Switch Kit: manual reset for system protection from high pressure conditions resulting from fan failure or blocked/dirty coil]
- h. [Loss of Charge Kit : SPST, normally closed switch and automatic reset switch mounted on suction line]
- i. [Accessories:]
- 4. Controls:
- a. Defrost Control:
- b. [Options:]
- 1) [L-Connection® Commercial Building Automation System]
- 1) [Freezestat: senses suction line temperature and cycles compressor off when suction line temperature falls below 29 degrees F (-2 degrees C) and cycles back on at 58 degrees F (14 degrees C)]
- 2) [Low Ambient Control: Available in 2 options based on ambient temperature; for field installation]
- 3) [Mild Weather Kit: for field installation to allow heating operation above 75 degrees F (24 degrees C)]
- 4) [Monitor Kit with ambient compensating thermistor and service light thermostat]
- 5) [Outdoor Thermostat Kit: to lock out some electric heating elements on indoor units where 2-stage control is applicable]
- 1) [Thermostat]
- 6) [Time Delay Relay Kit: delays indoor blower-off time during cooling cycle]
- 5. Refrigerant Line Connections, Electrical Inlets, Service Valves:
- 2.2 PRODUCT SUBSTITUTIONS
- 2.2 HEAT PUMP OUTDOOR UNITS/SPLIT SYSTEM UNITS
- PART 3 - EXECUTION
Air-Source Unitary Heat Pumps
2
AIR-SOURCE UNITARY HEAT PUMPS
SECTION 23 81 43
PART 1 - GENERAL
1.1 SECTION INCLUDES
A. Outdoor Heat Pumps, including:
1. Cabinets
2. Compressors
3. Refrigerant systems
4. Controls
5. Refrigerant line connectors, electrical inlets and service valves
Specifier Note: Revise paragraph below to suit project requirements. Add section numbers and titles per
CSI MasterFormat and specifier’s practice.
1.2 RELATED SECTIONS
Specifier Note: Article below may be omitted when specifying manufacturer’s proprietary products and
recommended installation. Retain Reference Article when specifying products and installation by an
industry reference standard. If retained, list standard(s) referenced in this section. Indicate issuing
authority name, acronym, standard designation and title. Establish policy for indicating edition date of
standard referenced. Conditions of the Contract or Division 01 References Section may establish the
edition date of standards. This article does not require compliance with standard, but is merely a listing
of references used. Article below should list only those industry standards referenced in this section.
Retain only those reference standards to be used within the text of this Section. Add and delete as
required for specific project.
1.3 REFERENCES
A. Air-Conditioning and Refrigeration Institute (ARI):
1. ARI 210/240 – 2008, Unitary Air-Conditioning and Air-Source Heat Pump Equipment
2. ARI 270-2008/370-2001, Sound Rating of Outdoor Unitary Equipment
B. Servicing Standards and Codes:
1. National Electric Code (NEC)
2. Underwriter’s Laboratories (UL)
3. Canadian Electric Code(CEC)
4. Underwriters Laboratories of Canada® (ULC)