AboveAir Technologies MissionCritical MC-2x2 Engineering Manual

Vertical floor mounted a/c's single circuit dx & cw, 1 to 3 tons, compact 24" w x 24" d "footprint"

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Engineering Manual

Compact 24"W x 24"D

AboveAir

AboveAir Technologies

(MC22-L12)

1 to 3 Tons

"Footprint"

™

floor mounted precision air conditioners

From 1 to 3 Tons

MC-2x2

MissionCritical

Vertical Floor Mounted A/C's

(Single Circuit DX & CW)

Features & Benefits

• 1 to 3 Ton Capacities

Precision Applications

•

- Computer Rooms

- Telecom Rooms

- Server Closets

• Compact Vertical Floor Mounted

Upflow & Downflow Configurations

• DX Air, Water & Glycol Cooled,

Chilled Water Systems

• Total Temp & Humidity Control

- Steam Humidifier

- Reheat/Heat via Electric, Hot

Gas, Hot Water or Steam

• Microprocessor Controls & More!

AboveAir

™

(MC22-L12)

MissionCritical

A/C's

™

Table of Contents

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Summary of Contents for AboveAir Technologies MissionCritical MC-2x2

Page 1 - Reheat/Heat via Electric, Hot Gas, Hot Water or Steam • Microprocessor Controls & More! 1 to 3 Tons Compact 24”W x 24”D “Footprint” AboveAir ™ floor mounted precision air conditioners (MC22-L12) AboveAir MissionCritical A/C’s AboveAir Technologies ™ ™ (MC22-L12)
Page 2: Table Of Contents
Features and Benefits .......3 Pump Packages Performance Data ........4-8 Chilled Water Systems Electrical Data ........9-11 VCC-( ) Chilled Water Air Handling Units Guide Specifications ......12-16 Dimensional Data .......18-21 Approximate Unit Weights (lbs) .....23 Introduction AboveAir MissionCritical A/C’s AboveAir Technologies ™ ™ (MC22-L12)
Page 3: Features And Benefits
2 & 3-way 150 psig or 350 psig Water/ • Glycol Pump Packages & Drycoolers Glycol Cooled Regulating Valves • ... and more! • Hot Gas Bypass • Top or Bottom Piping Connections MEA229-06-E Features & Benefits AboveAir AboveAir Technologies MissionCritical A/C’s ™ ™ (MC22-L12)
Page 4: Performance Data
DX Split Air Handling Units & Indoor, Centrifugal Blower Remote Air Cooled Condensing Units - (VCH & CCU models) Liquid Line OD IN (1) 3/8 (1) 3/8 (1) 3/8 (1) 3/8 (1) 3/8 Suction Line OD IN (1) 3/4 (1) 3/4 (1) 3/4 (1) 3/4 (1) 7/8 Performance Data AboveAir MissionCritical A/C’s AboveAir Technologies ™ ™ (MC22-L12)
Page 5 DX - Split Air Hanlding Unit with Air Cooled Condenser Remote Outdoor Air Cooled Remote Indoor Air Cooled (compressor located in evaporator) Condensing Unit Condensing Unit (compressor located in condensing unit) (compressor located in condensing unit) Performance Data AboveAir AboveAir Technologies MissionCritical A/C’s ™ ™ (MC22-L12)
Page 6 Water Reg. Valve 2-Way, 150 psig - factory installed, (3-way & High Pressure Valves are Optional) Connection Sizes Water IN/OUT OD IN Condensate Drain FPT IN Humidifier Inlet FLARE IN Performance Data AboveAir MissionCritical A/C’s AboveAir Technologies ™ ™ (MC22-L12)
Page 7 Glycol Reg. Valve 2-Way, 150 psig - factory installed, (3-way & High Pressure Valves are Optional) Connection Sizes Glycol IN/OUT OD IN Condensate Drain FPT IN Humidifier Inlet FLARE IN Performance Data AboveAir AboveAir Technologies MissionCritical A/C’s ™ ™ (MC22-L12)
Page 8: Performance Data
(1) 20 x 20 x 2 (1) 20 x 20 x 2 (1) 20 x 20 x 2 Connection Sizes Chilled Water In/Out OD IN Condensate Drain FPT IN Humidifier Inlet FLARE IN Performance Data AboveAir MissionCritical A/C’s AboveAir Technologies ™ ™ (MC22-L12)
Page 9: Electrical Data
1) FLA = Full Load Amps; MCA = Min Circuit Amps; MOP = Max Overcurrent Protection (Max Fuse Size) 2) 277/1/60 systems may require factory provided field installed step-down transformer. 3) - - - - Consult local AboveAir Sales Representative for non-cataloged system power supply information. Electrical Data AboveAir AboveAir Technologies MissionCritical A/C’s ™ ™...
Page 10 1) FLA = Full Load Amps; MCA = Min Circuit Amps; MOP = Max Overcurrent Protection (Max Fuse Size) 2) 277/1/60 systems may require factory provided field installed step-down transformer. 3) - - - - Consult local AboveAir Sales Representative for non-cataloged system power supply information. Electrical Data AboveAir MissionCritical A/C’s AboveAir Technologies ™ ™ (MC22-L12)
Page 11: Electrical Data
1) FLA = Full Load Amps; MCA = Min Circuit Amps; MOP = Max Overcurrent Protection (Max Fuse Size) 2) 277/1/60 systems may require factory provided field installed step-down transformer. 3) - - - - Consult local AboveAir Sales Representative for non-cataloged system power supply information. Electrical Data AboveAir AboveAir Technologies MissionCritical A/C’s ™ ™...
Page 12: Guide Specifications
Electrical Data; Guide Speci- electrically interlocked by a field wired 24 fications; and Dimensional Drawings. volt control signal. Guide Specifications AboveAir MissionCritical A/C’s AboveAir Technologies ™ ™ (MC22-L12)
Page 13 Each refrigeration circuit shall be pre- ing water temperature and 95°F leaving heat of rejection at 95°F ambient and be piped with type “L” refrigerant copper water temperature. Source water shall Guide Specifications AboveAir AboveAir Technologies MissionCritical A/C’s ™ ™ (MC22-L12)
Page 14 Phase, _____ Hertz main power supply. tube-in-tube coaxial condenser and fac- A flooded condenser system shall be (Note: See AboveAir Technologies’ Fluid- tory installed head pressure controlling provided to allow for low ambient con- Cool™ indoor & outdoor glycol drycooler and 2-way glycol regulating valve rated for PumpAll™...
Page 15 3-way heat reclaim • Sensor Failure • Sensor Failure control valve and liquid refrigerant stor- • Summary Failure • Loss of age receiver. The hot gas reheat coil Power Guide Specifications AboveAir AboveAir Technologies MissionCritical A/C’s ™ ™ (MC22-L12)
Page 16: Guide Specifications
The disconnect shall be (discharge) bypass valve. The hot gas NEMA rated for indoor or outdoor instal- bypass valve shall be designed to supply lation as required. Guide Specifications AboveAir MissionCritical A/C’s AboveAir Technologies ™ ™ (MC22-L12)
Page 17: Dimensional Data
Remote Indoor & Outdoor Water/Glycol Cooled Remote Water/Glycol Cooled Glycol Drycoolers and Condensing Unit Pump Packages (compressor located in condensing unit) Chilled Water Systems VCC Models Chilled Water Air Handling Systems Dimensional Data AboveAir AboveAir Technologies MissionCritical A/C’s ™ ™ (MC22-L12)
Page 18 REAR / LEFT / TOP Return Air Inlet Grille 22.81" 22.88" (Base) 24.0" (Base) 24.0" (Overall) * Floor Stands Available - (Overall) see page 19 FRONT / LEFT / TOP Dimensional Data AboveAir MissionCritical A/C’s AboveAir Technologies ™ ™ (MC22-L12)
Page 19 PLAN VIEW " " " " " Note: Turning Vanes, Seismic Rated and " " " ) . j Custom Height Floor Stands are optionally avail- " " " ) . j able. AboveAir AboveAir Technologies MissionCritical A/C’s ™ ™ (MC22-L12)
Page 20 Condenser Connections Hanger Holes Air Outlet Main Electric Condenser Box / Utility Optional Condenser Air Inlet Connections Air Outlet Locations Front / Right / Top Rear / Left / Bottom Dimensional Data AboveAir MissionCritical A/C’s AboveAir Technologies ™ ™ (MC22-L12)
Page 21 Hangers) 20.0" 25.0" 6.0" 22.88" Main Electric Box / Utility Water/Glycol Cooled Connections Condenser Connections 4 x 3/4" Hanger Holes Front / Right / Top Rear / Left / Bottom Dimensional Data AboveAir AboveAir Technologies MissionCritical A/C’s ™ ™ (MC22-L12)
Page 22 Notes Supplemental Data - Notes: ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ Nomenclature / Ship Wts AboveAir MissionCritical A/C’s AboveAir Technologies ™ ™ (MC22-L12)
Page 23: Approximate Unit Weights (Lbs)
- No Humidifier - Electrode Canister Humidifier UF - Up-Flow Air Pattern DF - Down-Flow Air Pattern Approximate Unit Ship Weights (lbs.) MODEL TYPE UNIT VCW & CWU & SIZE Nomenclature / Ship Wts AboveAir AboveAir Technologies MissionCritical A/C’s ™ ™ (MC22-L12)
Page 24 (1 to 180 Tons of THR) (1/2 to 50 HP) 5179 Mountville Road Copyright 03/19 Form: MC22-L12 Frederick, Maryland 21703, U.S.A. aboveair Specifications are subject to Phone: 301-874-1130, www. .com change without notice. AboveAir MissionCritical A/C’s ™ AboveAir Technologies ™ (MC22-L12) Email: sales@aboveair.com...