Ductless Mini - Split Installations Belknap County

2026-11-03

2 . Equipment to be Installed Conference Room System  ( 2 ) Mitsubishi Hyper Heat Condensing Units Model : MXZ - 3C24NAHZ4 - U1  ( 4 ) Mitsubishi 2 ' x 2 ' 4 - Way Ceiling Cassette Units with Grilles Model : SLZ - AF12NL  ( 1 ) 18 ” Fixed Stand for Condenser mounting Server Room System  ( 1 ) Mitsubishi P - Series Condensing Unit ( Cooling Only ) Model : PUY - AH30NL  ( 1 ) Mitsubishi Wall - Mounted Indoor Unit Model : PKA - AK30NL 3 . General Scope Requirements The Contractor shall :  Verify all existing site conditions prior to bidding . SITE VISITATION MANDATORY .  Furnish all materials , accessories , and appurtenances required for a complete installation . 4 . Mechanical Installation Requirements 4 . 1 Refrigeration Systems  Install all refrigerant piping per manufacturer specifications .  Pressure test , evacuate , and charge systems in accordance with industry standards .  Provide line hide , insulation , and UV protection for all exterior piping .  Ensure proper oil return and line sizing .  Insulate all piping . 4 . 2 Indoor Units  Install ceiling cassette units in Conference Room ceiling grid .  Coordinate exact locations with Owner prior to installation .  Provide condensate pumps ( if required ) and properly route all drain lines to approved discharge locations .  Install wall - mounted unit in Server Room with proper clearances and access . 4 . 3 Outdoor Units  Install condensers on furnished 18 ” stand or equivalent approved support system .  Secure units to meet wind and snow load requirements applicable to New Hampshire .  Maintain manufacturer - recommended clearances .  Provide vibration isolation . 5 . Electrical Scope The Contractor shall provide all electrical work required for a complete and operational system , including :  Circuit breakers sized per manufacturer requirements .  Electrical disconnects within line of sight of each condenser .  Low - voltage communication wiring between indoor and outdoor units .  Control wiring and interconnections .  Coordination with existing building electrical capacity .  Labeling of all new circuits and equipment . 6 . Roof Penetrations and Weatherproofing  Provide all required roof penetrations for refrigerant piping , electrical conduit , and condensate lines .  All penetrations shall be : o Properly flashed and sealed o Installed in accordance with roofing manufacturer standards  Contractor shall be responsible for maintaining roof integrity and preventing leaks .  Any damage to the roof system shall be repaired at Contractor ’ s expense .

New Hampshire

2026-04-28