AboveAir Technologies MissionCritical MC-2x2 Installation and operation manual

AboveAir™MissionCritical™A/C’sAboveAir Technologies (MC22-L12) 1
AboveAir™oor mounted precision air conditioners (MC22-L12)
Engineering Manual
1 to 3 Tons
Compact 24”W x 24”D
“Footprint”
Features & Benets
• 1 to 3 Ton Capacities
• Precision Applications
- Computer Rooms
- Telecom Rooms
- Server Closets
• Compact Vertical Floor Mounted
Upow & Downow Congurations
• DX Air, Water & Glycol Cooled,
Chilled Water Systems
• Total Temp & Humidity Control
- Steam Humidier
- Reheat/Heat via Electric, Hot
Gas, Hot Water or Steam
• Microprocessor Controls & More!
From 1 to 3 Tons
MC-2x2™
MissionCritical
Vertical Floor Mounted A/C’s
(Single Circuit DX & CW)

AboveAir™MissionCritical™A/C’s AboveAir Technologies (MC22-L12)
2Introduction
INTRODUCTION
AboveAir™MissionCritical™ver-
tical oor mounted precision air
conditioners are the reliable envi-
ronmental control solution to your
precision cooling needs. Available
in a wide variety of cooling methods
and cabinet congurations including
a full range of options, AboveAir™
Air Conditioners are a step above!
100% Front-Access cabinet design
Total Temperature & Humidity Control
Up-Flow & Down-Flow air patterns
Variety of cooling methods
Self-contained & split systems
Flexible options and accessories
R410a Refrigerant
 Energyefcientoperation
Contents
Introduction ................................................2
Model Congurations ....................... 2 & 17
Features and Benets ...............................3
Performance Data ...................................4-8
Electrical Data .......................................9-11
Guide Specications ..........................12-16
Dimensional Data ...............................18-21
Approximate Unit Weights (lbs) .............23
VCH & XPU-( )
DX - Air Cooled Split with Propeller Fan, Outdoor Remote Condensing Unit
VCE & XP1-( )
DX - Air Cooled Split with Propeller Fan, Outdoor Remote Condenser
VCW & VCG-( )
DX - Water/Glycol Cooled Self-Contained Plus Glycol Drycoolers &
Pump Packages
VCC-( )
Chilled Water Air Handling Units
DX - Air Cooled
DX - Water/Glycol Cooled
Chilled Water Systems
VCH/E & CCU/CCX & XCU/XCX -( )
DX - Air Cooled Split with Centrifugal Blower, indoor Remote
Condensing Unit & Condensers
FC_ & PA_ Models
Remote Indoor & Outdoor
Glycol Drycoolers and
Pump Packages

AboveAir™MissionCritical™A/C’sAboveAir Technologies (MC22-L12) 3
Features & Benets
FEATURES & BENEFITS
AboveAir™ VK-MissionCritical™ precision A/C’s are designed to meet your unique ap-
plication dependent requirements. Select from a wide range of options and congurations:
Standard & Optional Features:
• MC-2000, Advanced Microprocessor Controls
• Electrode Steam Canister Humidier
• Dehumidication Mode with Electric, Hot
Gas, Hot Water or Steam Reheat
• Single Scroll Compressor
• Low Sound Direct-Drive Centrifugal Blowers
• High E󰀩ciency Air Filtration
• Low Ambient Head Pressure Control
• 2 & 3-way 150 psig or 350 psig Water/
Glycol Cooled Regulating Valves
• Hot Gas Bypass
• Top or Bottom Piping Connections
Variety of Standard & Optional Features
Accessories:
• 2 or 3-Way Plenum Discharge Boxes
• Floor Stands & Turning Vanes
• Condensate Pumps - Factory Installed
• Main Power Electrical Disconnects
• Firestats
• Smoke Detectors
• Remote Water-Leak Detectors
• Compressor Sound Jackets
• Glycol Pump Packages & Drycoolers
• ... and more!
1 to 3 Tons
Single Circuit DX &
Chilled Water
Compact 24”W x 24”D
Footprint!
MEA229-06-E
Up-Flow Air Pattern Down-Flow Air Pattern

AboveAir™MissionCritical™A/C’s AboveAir Technologies (MC22-L12)
4Performance Data
Performance Data (MC™ 2x2) - DX - Air Cooled (1-3 Tons)
Nominal Size 1.0 Tons 1.5 Tons 2.0 Tons 2.5 Tons 3.0 Tons
DX - Air Cooled Model VCE & VCH-012 VCE & VCH-018 VCE & VCH-024 VCE & VCH-030 VCE & VCH-036
AIR
COOLED
DX
75°F DB / 62.5°F WB, 50% RH
Total BTUH 16,100 21,100 27,700 33,100 40,500
Sensible BTUH 11,800 16,000 22,700 27,500 34,300
72°F DB / 60°F WB, 50% RH
Total BTUH 15,300 20,100 26,400 31,500 38,700
Sensible BTUH 11,600 15,800 22,500 27,100 34,000
70°F DB / 58.5°F WB, 50% RH
Total BTUH 14,800 19,500 25,700 30,100 37,600
Sensible BTUH 11,400 15,500 22,100 26,400 33,300
75°F DB / 61°F WB, 45% RH
Total BTUH 15,600 20,500 27,300 32,600 39,700
Sensible BTUH 12,500 17,000 25,200 30,800 38,800
72°F DB / 58.5°F WB, 45% RH
Total BTUH 14,900 19,600 26,100 30,500 37,400
Sensible BTUH 12,300 17,000 25,300 30,500 35,400
70°F DB / 57°F WB, 45% RH
Total BTUH 14,400 19,000 25,300 29,600 36,600
Sensible BTUH 12,100 16,800 24,800 29,600 36,500
COMPONENT DATA
AIR
COOLED
DX
Reheat / Heat - (Standard)
Electric Reheat / Heat - BTUH includes evaporator motor heat, (Standard)
Capacity BTUH (KW) 17,670 (5.2) 18,245 (5.3) 18,245 (5.3) 18,820 (5.5) 18,820 (5.5)
Hot Gas Reheat - (Optional)
Capacity BTUH 12,320 15,680 19,350 22,160 25,620
Hot Water Heating Coil - (Optional) @ 180°F EWT / 160°F LWT, 70°F DB EAT
Capacity BTUH 21,760 28,080 40,540 46,910 54,640
Flow Rate / PD GPM / FT 2.3 / (0.7) 2.9 / (1.0) 4.2 / (0.1) 4.9 / (0.2) 5.7 / (0.2)
Standard Valve TXT 2-way - field installed (3-way valves are optional)
Steam Canister Humidifier - (Standard)
Steam Canister LBS/HR 55555
Evaporator Blower / Motor - Direct-Drive, Backward Inclined Variable Speed EC Impeller
Airflow Rate CFM 500 750 1,000 1,250 1,600
Motor KW KW 1.0 1.0 1.0 1.0 1.0
E.S.P. IN WG 0.3 0.3 0.3 0.3 0.3
Motor Type TXT EC BI Impeller EC BI Impeller EC BI Impeller EC BI Impeller EC BI Impeller
Evaporator Coil - Aluminum Fin, Copper Tube
Rows/Face Area NO / FT
2
3 / 3.23 3 / 3.23 3 / 3.23 3 / 3.23 3 / 3.23
Filters - 2", Merv-8 Efficient - (Down-Flow Unit Filters = (1) 20 x 20 x 2)
Up-Flow Filters (NO) IN (1) 18 x 24 x 2 (1) 18 x 24 x 2 (1) 18 x 24 x 2 (1) 18 x 24 x 2 (1) 18 x 24 x 2
Compressor - Heat Pump Duty, SCROLL
Qty., Nom. Tons (NO) Tons (1) 1.33 (1) 1.5 (1) 2.0 (1) 2.5 (1) 3.0
Connection Sizes
Condensate Drain FP T IN 3/4 3/4 3/4 3/4 3/4
Humidifier Inlet FLARE IN 1/4 1/4 1/4 1/4 1/4
DX Split Evaporators & Indoor Remote Centrifugal Air Cooled Condensers - (VCE & CCX/XCX models)
Liquid Line OD IN (1) 3/8 (1) 3/8 (1) 3/8 (1) 3/8 (1) 3/8
Hot Gas Line OD IN (1) 1/2 (1) 1/2 (1) 1/2 (1) 1/2 (1) 1/2
Outdoor, Propeller Fan Remote Air Cooled Condensers & Condensing Units - (XP1 w/ Liq. & Hot Gas Lines and XPU w/ Liq. & Suction Lines)
Liquid Line OD IN (1) 3/8 (1) 3/8 (1) 3/8 (1) 3/8 (1) 3/8
Suct. or HG Line OD IN (1) 3/4 (1) 3/4 (1) 3/4 (1) 7/8 (1) 7/8
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 Li ne OD IN (1) 3/4 (1) 3/4 (1) 3/4 (1) 3/4 (1) 7/8

AboveAir™MissionCritical™A/C’sAboveAir Technologies (MC22-L12) 5
Performance Data
Performance Data (MC™ 2x2) - DX - Air Cooled (1-3 Tons)
Heat Rejection Data
Nominal Size 1.0 Ton 1.5 Tons 2.0 Tons 2.5 Tons 3.0 Tons
Model Size VCH or VCE-012 VCH or VCE-018 VCH or VCE-024 VCH or VCE-030 VCH or VCE-036
95°F AMBIENT, DX - AIR COOLED CONDENSING UNIT & CONDENSER DATA
AIR
COOLED
DX
Outdoor, Remote Propeller Fan Air Cooled Condensing Units & Condensers - (XPU & XP1 models)
Remote Condensing Unit Model XPU-012 XPU-018 XPU-024 XPU-030 XPU-036
Remote Condenser Model XP1-012 XP1-018 XP1-024 XP1-030 XP1-036
Summer Amb. Design °F DB 95 95 95 95 95
Winter Amb. Design °F DB 0, -20 or -30 0, -20 or -30 0, -20 or -30 0, -20 or -30 0, -20 or -30
Airflow Rate CFM 1,792 2,218 2,218 2,954 3,167
IN ESP Free Discharge Free Discharge Free Discharge Free Discharge Free Discharge
Fan Motor (NO) HP (1) 1/12 (1) 1/10 (1) 1/10 (1) 1/4 (1) 1/5
Fan Type DD - Propeller DD - Propeller DD - Propeller DD - Propeller DD - Propeller
Coil Face Area FT28.4 8.4 9.8 13.13 17.25
Rows NO 11111
Indoor, Remote Centrifugal Blower Air Cooled Condenser & Condensing Unit Data - (CCU/XCU & CCX/XCX Models)
Remote Condensing Unit Model CCU-012 CCU-018 CCU-024 CCU-030 XCU-036
Remote Condenser Model CCX-012 CCX-018 CCX-024 CCX-030 XCX-036
Summer Amb. Design °F DB 95 95 95 95 95
Winter Amb. Design °F DB 0, -20 or -30 0, -20 or -30 0, -20 or -30 0, -20 or -30 0, -20 or -30
Airflow Rate CFM 1,000 1,200 1,500 2,000 2,200
IN ESP 0.3 0.3 0.3 0.3 0.75
Blower Motor HP 1/2 3/4 3/4 3/4 3/4
Blower Type DD - Centrifugal DD - Centrifugal DD - Centrifugal DD - Centrifugal BD - Centrifugal
Coil Face Area FT22.5 2.5 2.5 2.5 4.1
Rows NO 44444
DX - Air Cooled
VCE & XP1 Models
DX - Split with Remote Outdoor
Air Cooled Condenser
(compressor located in evaporator)
VCH & XPU Models
DX - Split Air Handling Unit with
Remote Outdoor Air Cooled
Condensing Unit
(compressor located in condensing unit)
VCH & CCU or XCU Models
DX - Split Air Hanlding Unit with
Remote Indoor Air Cooled
Condensing Unit
(compressor located in condensing unit)

AboveAir™MissionCritical™A/C’s AboveAir Technologies (MC22-L12)
6Performance Data
Performance Data (MC™ 2x2) - DX - Water Cooled (1-3 Tons)
Nominal Size 1.0 Tons 1.5 Tons 2.0 Tons 2.5 Tons 3.0 Tons
DX - Water Cooled Model VCW-012 VCW-018 VCW-024 VCW-030 VCW-036
WATE R
COOLED
DX
75°F DB / 62.5°F WB, 50% RH
Total BTUH 16,900 22,100 29,100 34,700 42,600
Sensible BTUH 12,200 16,500 23,300 28,000 34,800
72°F DB / 60°F WB, 50% RH
Total BTUH 16,100 21,100 27,700 33,200 40,000
Sensible BTUH 12,000 16,300 22,900 27,700 34,100
70°F DB / 58.5°F WB, 50% RH
Total BTUH 15,600 20,500 27,000 32,300 39,600
Sensible BTUH 11,700 16,000 22,500 27,200 34,000
75°F DB / 61°F WB, 45% RH
Total BTUH 16,400 21,600 28,200 34,200 41,800
Sensible BTUH 12,900 17,600 25,300 31,000 39,000
72°F DB / 58.5°F WB, 45% RH
Total BTUH 15,600 20,500 27,400 32,700 40,000
Sensible BTUH 12,700 17,300 25,400 31,100 39,400
70°F DB / 57°F WB, 45% RH
Total BTUH 15,100 20,000 26,700 31,800 38,900
Sensible BTUH 12,400 17,000 25,100 30,800 38,900
COMPONENT DATA
WATE R
COOLED
DX
Reheat / Heat - (Standard)
Electric Reheat / Heat - BTUH includes evaporator motor heat, (Standard)
Capacity BTUH (KW) 17,670 (5.2) 18,245 (5.3) 18,245 (5.3) 18,820 (5.5) 18,820 (5.5)
Hot Gas Reheat - (Optional)
Capacity
BTUH
10,300 13,070 22,920 26,240 30,330
Hot Water Heating Coil - (Optional) @ 180°F EWT / 160°F LWT, 70°F DB EAT
Capacity BTUH 21,760 28,080 40,540 46,910 54,640
Flow Rate / PD GPM / FT 2.3 / (0.7) 2.9 / (1.0) 4.2 / (0.1) 4.9 / (0.2) 5.7 / (0.2)
Standard Valve TXT 2-way - field installed (3-way valves are optional)
Steam Canister Humidifier - (Standard)
Steam Canister LBS/HR 55555
Evaporator Blower / Motor - Direct-Drive, Backward Inclined Variable Speed EC Impeller
Airflow Rate CFM 500 750 1,000 1,250 1,600
Motor KW KW 1.0 1.0 1.0 1.0 1.0
E.S.P. IN WG 0.3 0.3 0.3 0.3 0.3
Motor Type TXT EC BI Impeller EC BI Impeller EC BI Impeller EC BI Impeller EC BI Impeller
Evaporator Coil - Aluminum Fin, Copper Tube
Rows/Face Area NO / FT
2
3 / 3.23 3 / 3.23 3 / 3.23 3 / 3.23 3 / 3.23
Filters - 2", 30% Dust Spot Efficient
Up-Flow Filters (NO) IN (1) 18 x 24 x 2 (1) 18 x 24 x 2 (1) 18 x 24 x 2 (1) 18 x 24 x 2 (1) 18 x 24 x 2
Down-Flow Filters (NO) IN (1) 20 x 20 x 2 (1) 20 x 20 x 2 (1) 20 x 20 x 2 (1) 20 x 20 x 2 (1) 20 x 20 x 2
Compressor - Heat Pump Duty, SCROLL
Qty., Nom. Tons (NO) Tons (1) 1.33 (1) 1.5 (1) 2.0 (1) 2.5 (1) 3.0
Water Cooled Condenser Data - 85°F EWT / 95°F LWT, 0% Glycol Solution (rated at 75°F DB/62.5°F WB EAT Cooling Performance)
Total Heat of Rej. BTUH 21,470 27,585 35,525 42,635 52,655
Flow 85°F EWT GPM 4.3 5.5 7.1 8.5 10.5
Pressure Drop FT WG 7.8 10.5 12.5 14.5 16.5
Condenser Type Coaxial Coaxial Coaxial Coaxial Coaxial
Water Reg. Valve 2-Way, 150 psig - factory installed, (3-way & High Pressure Valves are Optional)
Connection Sizes
Water IN/OUT OD IN 5/8 5/8 5/8 7/8 7/8
Condensate Drain FP T IN 3/4 3/4 3/4 3/4 3/4
Humidifier Inlet FLARE IN 1/4 1/4 1/4 1/4 1/4

AboveAir™MissionCritical™A/C’sAboveAir Technologies (MC22-L12) 7
Performance Data
Performance Data (MC™ 2x2) - DX - Glycol Cooled (1-3 Tons)
Nominal Size 1.0 Tons 1.5 Tons 2.0 Tons 2.5 Tons 3.0 Tons
DX - Glycol Cooled Model VCG-012 VCG-018 VCG-024 VCG-030 VCG-036
GLYCOL
COOLED
DX
75°F DB / 62.5°F WB, 50% RH
Total BTUH 15,100 19,900 26,200 31,300 38,100
Sensible BTUH 11,400 15,500 22,300 27,000 33,500
72°F DB / 60°F WB, 50% RH
Total BTUH 14,400 18,900 24,800 29,800 36,400
Sensible BTUH 11,200 15,200 21,800 26,700 33,400
70°F DB / 58.5°F WB, 50% RH
Total BTUH 13,900 18,300 23,700 29,000 35,400
Sensible BTUH 11,000 14,900 21,300 26,200 32,800
75°F DB / 61°F WB, 45% RH
Total BTUH 14,700 19,400 25,200 29,900 37,100
Sensible BTUH 12,100 16,800 24,600 29,200 36,100
72°F DB / 58.5°F WB, 45% RH
Total BTUH 14,000 18,500 24,400 29,200 35,400
Sensible BTUH 11,900 17,000 23,700 29,000 35,400
70°F DB / 57°F WB, 45% RH
Total BTUH 13,600 18,000 23,800 28,300 34,500
Sensible BTUH 11,700 16,800 23,700 28,300 34,500
COMPONENT DATA
GLYCOL
COOLED
DX
Reheat / Heat - (Standard)
Electric Reheat / Heat - BTUH includes evaporator motor heat, (Standard)
Capacity
BTUH (KW)
17,670 (5.2) 18,245 (5.3) 18,245 (5.3) 18,820 (5.5) 18,820 (5.5)
Hot Gas Reheat - (Optional)
Capacity
BTUH
13,190 16,800 24,210 27,700 32,000
Hot Water Heating Coil - (Optional) @ 180°F EWT / 160°F LWT, 70°F DB EAT
Capacity BTUH 21,760 28,080 40,540 46,910 54,640
Flow Rate / PD GPM / FT 2.3 / (0.7) 2.9 / (1.0) 4.2 / (0.1) 4.9 / (0.2) 5.7 / (0.2)
Standard Valve TXT 2-way - field installed (3-way valves are optional)
Steam Canister Humidifier - (Standard)
Steam Canister LBS/HR 55555
Evaporator Blower / Motor - Direct-Drive, Backward Inclined Variable Speed EC Impeller
Airflow Rate CFM 500 750 1,000 1,250 1,600
Motor KW KW 1.0 1.0 1.0 1.0 1.0
E.S.P. IN WG 0.3 0.3 0.3 0.3 0.3
Motor Type TXT EC BI Impeller EC BI Impeller EC BI Impeller EC BI Impeller EC BI Impeller
Evaporator Coil - Aluminum Fin, Copper Tube
Rows/Face Area NO / FT
2
3 / 3.23 3 / 3.23 3 / 3.23 3 / 3.23 3 / 3.23
Filters - 2", 30% Dust Spot Efficient
Up-Flow Filters (NO) IN (1) 18 x 24 x 2 (1) 18 x 24 x 2 (1) 18 x 24 x 2 (1) 18 x 24 x 2 (1) 18 x 24 x 2
Down-Flow Filters (NO) IN (1) 20 x 20 x 2 (1) 20 x 20 x 2 (1) 20 x 20 x 2 (1) 20 x 20 x 2 (1) 20 x 20 x 2
Compressor - Heat Pump Duty, SCROLL
Qty., Nom. Tons (NO) Tons (1) 1.33 (1) 1.5 (1) 2.0 (1) 2.5 (1) 3.0
Glycol Cooled Condenser Data - 110°F EGT / 120°F LGT, 40% Ethylene Glycol Solution (rated at 75°F DB/62.5°F WB EAT Cooling Performance)
Total Heat of Rej. BTUH 20,935 26,905 34,390 41,325 50,700
Flow 110°F EGT GPM 4.6 6.0 7.6 9.1 11.2
Pressure Drop FT WG 8.0 11.5 11.8 15.4 17.2
Condenser Type Coaxial Coaxial Coaxial Coaxial Coaxial
Glycol Reg. Valve 2-Way, 150 psig - factory installed, (3-way & High Pressure Valves are Optional)
Connection Sizes
Glycol IN/OUT OD IN 5/8 5/8 5/8 7/8 7/8
Condensate Drain FP T IN 3/4 3/4 3/4 3/4 3/4
Humidifier Inlet FLARE IN 1/4 1/4 1/4 1/4 1/4

AboveAir™MissionCritical™A/C’s AboveAir Technologies (MC22-L12)
8Performance Data
Performance Data (MC™ 2x2) - Chilled Water Systems (1-3 Tons)
Nominal Size 1.0 Tons 1.5 Tons 2.0 Tons 2.5 Tons 3.0 Tons
Chilled Water System Model VCC-012 VCC-018 VCC-024 VCC-030 VCC-036
CHILLED
WATE R
SYSTEMS
45°F EWT
55°F LWT
50% RH
75°F DB / 62.5°F WB, 50% RH
Total / Sensible MBH 17.0 / 13.1 23.4 / 18.5 29.0 / 23.5 34.1 / 28.3 40.6 / 34.6
Flow Rate, (Coil PD) GPM / FT WG 3.4 / 3.2 4.7 / 5.8 5.8 / 8.6 6.8 / 11.4 8.1 / 15.7
72°F DB / 60°F WB, 50% RH
Total / Sensible MBH 12.5 / 11.2 18.8 / 16.7 23.4 / 21.3 27.6 / 25.7 33.1 / 31.5
Flow Rate, (Coil PD) GPM / FT WG 2.5 / 1.9 3.8 / 4.0 4.7 / 5.8 5.5 / 7.8 6.6 / 10.8
70°F DB / 58.5°F WB, 50% RH
Total / Sensible MBH 10.8 / 10.4 16.4 / 15.5 20.4 / 19.8 24.3 / 24 29.1 / 29.1
Flow Rate, (Coil PD) GPM / FT WG 2.2 / 1.5 3.3 / 3.1 4.1 / 4.6 4.9 / 6.3 5.8 / 8.6
CHILLED
WATE R
SYSTEMS
45°F EWT
55°F LWT
45% RH
75°F DB / 61°F WB, 45% RH
Total / Sensible MBH 15.2 / 13.3 21.0 / 18.9 26.4 / 24.3 31.1 / 29.3 37.4 / 36.1
Flow Rate, (Coil PD) GPM / FT WG 3.1 / 2.7 4.2 / 4.8 5.3 / 7.3 6.2 / 9.7 7.5 / 13.7
72°F DB / 58.5°F WB, 45% RH
Total / Sensible MBH 11.5 / 11.5 17.3 / 17.3 21.8 / 21.8 26.0 / 26.0 31.5 / 31.5
Flow Rate, (Coil PD) GPM / FT WG 2.3 / 1.6 3.5 / 3.4 4.4 / 5.2 5.2 / 7.0 6.3 / 9.9
70°F DB / 57°F WB, 45% RH
Total / Sensible MBH 10.2 / 10.2 15.4 / 15.4 19.4 / 19.4 23.3 / 23.3 28.3 / 28.3
Flow Rate, (Coil PD) GPM / FT WG 2.1 / 1.4 3.1 / 2.7 3.9 / 4.2 4.7 / 5.8 5.7 / 8.3
COMPONENT DATA
CHILLED
WATE R
SYSTEMS
Reheat / Heat - (Standard)
Electric Reheat / Heat - BTUH includes evaporator motor heat, (Standard)
Capacity BTUH (KW) 17,670 (5.2) 18,245 (5.3) 18,245 (5.3) 18,820 (5.5) 18,820 (5.5)
Hot Water Heating Coil - (Optional) @ 180°F EWT / 160°F LWT, 70°F DB EAT
Capacity BTUH 21,760 28,080 40,540 46,910 54,640
Flow Rate / PD GPM / FT 2.3 / (0.7) 2.9 / (1.0) 4.2 / (0.1) 4.9 / (0.2) 5.7 / (0.2)
Standard Valve TXT 2-way - field installed (3-way valves are optional)
Steam Canister Humidifier - (Standard)
Steam Canister LBS/HR 55555
Evaporator Blower / Motor - Direct-Drive, Backward Inclined Variable Speed EC Impeller
Airflow Rate CFM 500 750 1,000 1,250 1,600
Motor KW KW 1.0 1.0 1.0 1.0 1.0
E.S.P. IN WG 0.3 0.3 0.3 0.3 0.3
Motor Type TXT EC BI Impeller EC BI Impeller EC BI Impeller EC BI Impeller EC BI Impeller
Chilled Water Coil - Aluminum Fin, Copper Tube
Rows/Face Area NO / FT
2
4 / 3.23 4 / 3.23 4 / 3.23 4 / 3.23 4 / 3.23
Control Valve
Standard Valve 2-Way 2-Way 2-Way 2-Way 2-Way
Valve Size, (Cv) IN 1/2, (4.0) 1/2, (4.0) 1/2, (4.0) 3/4, (5.0) 3/4, (5.0)
Optional Valve 2-Way 2-Way 2-Way 2-Way 2-Way
Valve Size, (Cv) IN 1/2, (4.0) 1/2, (4.0) 1/2, (4.0) 3/4, (5.0) 3/4, (5.0)
Filters - 2", 30% Dust Spot Efficient
Up-Flow Filters (NO) IN (1) 18 x 24 x 2 (1) 18 x 24 x 2 (1) 18 x 24 x 2 (1) 18 x 24 x 2 (1) 18 x 24 x 2
Down-Flow Filters (NO) IN (1) 20 x 20 x 2 (1) 20 x 20 x 2 (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 7/8 7/8 7/8 7/8 7/8
Condensate Drain FPT IN 3/4 3/4 3/4 3/4 3/4
Humidifier Inlet FLARE IN 1/4 1/4 1/4 1/4 1/4

AboveAir™MissionCritical™A/C’sAboveAir Technologies (MC22-L12) 9
Electrical Data
Electrical Data (MC™ 2x2) - DX Evaps & CW Air Handlers
DX Split and Chilled Water - Air Handling Units
DX - Water/Glycol Cooled Self-Contained & DX Split Evap
Notes:
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 eld installed step-down transformer.
3) - - - - Consult local AboveAir Sales Representative for non-cataloged system power supply information.
MODEL VCE, VCW & VCG-012 VCE, VCW & VCG-018 VCE, VCW & VCG-024 VCE, VCW & VCG-030 VCE, VCW & VCG-036
Power Supply 208/1/60 277/1/60 208/1/60 277/1/60 208/1/60 277/1/60 208/3/60 460/3/60 208/1/60 277/1/60 208/3/60 460/3/60 208/1/60 277/1/60 208/3/60 460/3/60
Cooling Only (or Cooling with Hot Gas Reheat, Hot Water or Steam Reheat/Heat)
FLA 11.8 9.0 15.8 12.1 19.0 14.0 11.8 6.1 19.0 15.3 12.4 7.6 22.9 17.9 14.5 8.2
MCA 13.2 10.2 18.2 14.0 22.2 16.4 13.7 7.0 22.2 18.0 14.5 8.9 27.0 21.2 17.2 9.7
MOP 15 15 25 20 35 25 20 15 35 25 20 15 40 30 25 15
with Electric Heat (No Electric Reheat or Humidifier)
FLA 30.3 22.5 30.3 22.5 30.3 22.5 18.0 8.8 30.3 22.5 18.0 8.8 30.3 22.5 18.0 8.8
MCA 37.9 28.1 37.9 28.1 37.9 28.1 22.5 11.0 37.9 28.1 22.5 11.0 37.9 28.1 22.5 11.0
MOP 40 30 40 30 40 30 25 15 40 30 25 15 40 30 25 15
with Electric Reheat/Heat (No Humidifier)
FLA 35.9 27.1 39.9 30.2 43.1 32.1 25.7 12.4 43.1 33.4 26.3 13.9 47.0 35.9 28.5 14.5
MCA 43.3 32.8 48.3 36.6 52.3 39.0 31.1 14.8 52.3 40.6 31.9 16.8 57.1 43.8 34.5 17.6
MOP 45 35 50 40 60 40 35 15 60 45 35 20 60 50 40 20
with Humidifier with or without Hot Gas Reheat, Hot Water/Steam Reheat/Heat (No Electric Reheat/Heat)
FLA 20.0 15.2 24.0 18.3 27.2 20.2 20.0 9.8 27.2 21.5 20.6 11.3 31.1 24.1 22.7 11.9
MCA 21.4 16.4 26.4 20.2 30.4 22.6 21.9 10.7 30.4 24.2 22.7 12.6 35.2 27.4 25.4 13.4
MOP 25 20 35 25 40 30 25 15 40 35 30 15 50 40 35 15
with Electric Heat (No Electric Reheat) & Humidifier
FLA 38.5 28.7 38.5 28.7 38.5 28.7 26.2 12.5 38.5 28.7 26.2 12.5 38.5 28.7 26.2 12.5
MCA 46.1 34.3 46.1 34.3 46.1 34.3 30.7 14.7 46.1 34.3 30.7 14.7 46.1 34.3 30.7 14.7
MOP 50 35 50 35 50 35 35 15 50 35 35 15 50 40 35 15
with Electric Reheat/Heat & Humidifier
FLA 38.5 28.7 39.9 30.2 43.1 32.1 26.2 12.5 43.1 33.4 26.3 13.9 47.0 35.9 28.5 14.5
MCA 46.1 34.3 48.3 36.6 52.3 39.0 31.1 14.8 52.3 40.6 31.9 16.8 57.1 43.8 34.5 17.6
MOP 50 35 50 40 60 40 35 15 60 45 35 20 60 50 40 20
MODEL VCC & VCH-012, 018, 024, 030 & 036
Power Supply 208/1/60 277/1/60 208/3/60 460/3/60
Cooling Only
(or Cooling with Hot Water or Steam Reheat/Heat)
FLA 6.2 4.4 4.1 2.5
MCA 7.8 5.5 5.1 3.1
MOP 15 15 15 15
with Electric Heat or Reheat/Heat (No Humidifier)
FLA 30.3 22.5 18.0 8.8
MCA 37.9 28.1 22.5 11.0
MOP 40 30 25 15
with Electric Reheat/Heat (No Humidification)
FLA 30.3 22.5 18.0 8.8
MCA 37.9 28.1 22.5 11.0
MOP 40 30 25 15
with Humidifier with or without Hot Water/Steam Reheat/Heat (No Electric Reheat/Heat)
FLA 14.4 10.6 12.3 6.2
MCA 16.0 11.7 13.3 6.8
MOP 20 15 15 15
with Electric Heat (No Electric Reheat) & Humidifier
FLA 38.5 28.7 26.2 12.5
MCA 46.1 34.3 30.7 14.7
MOP 50 35 35 15
with Electric Heat or Electric Reheat/Heat & Humidifier
FLA 38.5 28.7 26.2 12.5
MCA 46.1 34.3 30.7 14.7
MOP 50 35 35 15

AboveAir™MissionCritical™A/C’s AboveAir Technologies (MC22-L12)
10 Electrical Data
Electrical Data (MC™ 2x2) - DX Air Cooled, Remote Cond Units & Conds
Outdoor, Pad Mtd - DX - Air Cooled, Remote Condensing Units & Condensers
XPU - Outdoor Propeller Fan
Air Cooled Remote Condensing Units
XP1 - Outdoor Propeller Fan
Air Cooled Remote Condensers
Power Supply 208/1/60 277/1/60 208/3/60 460/3/60 Power Supply 208/1/60 277/1/60 460/1/60
XPU-012 XP1-012
FLA 9.5 7.1
- - - - - - - -
FLA 0.5 0.4 0.6
MCA 11.8 8.8 MCA 0.6 0.5 0.8
MOP 20 15 MOP 15 15 15
XPU-018 XP1-018
FLA 10.4 7.8
- - - - - - - -
FLA 0.8 0.6 0.6
MCA 17.6 13.2 MCA 1.0 0.8 0.8
MOP 30 20 MOP 15 15 15
XPU-024 XP1-024
FLA 13.6 10.2 9.1 5.2 FLA 0.8 0.6 0.7
MCA 16.8 12.6 11.2 6.3 MCA 1.0 0.8 0.9
MOP 25 20 20 15 MOP 15 15 15
XPU-030 XP1-030
FLA 15.5 11.6 11.9 6.3 FLA 1.4 1.1 0.7
MCA 19.0 14.3 14.5 7.7 MCA 1.8 1.3 0.9
MOP 30 25 20 15 MOP 15 15 15
XPU-036 XP1-036
FLA 19.0 14.3 14.6 6.6 FLA 1.1 0.8 0.6
MCA 23.5 17.6 18.0 8.1 MCA 1.4 1.0 0.8
MOP 40 30 30 15 MOP 15 15 15
Indoor, Ceiling Mtd - DX - Air Cooled, Remote Condensing Units & Condensers
CCU - Indoor (Ceiling Mtd), Centrifugal Blower
Air Cooled Remote Condensing Units
CCX - Indoor (Ceiling Mtd), Centrifugal Blower
Air Cooled Remote Condensers
Power Supply 208/1/60 277/1/60 208/3/60 460/3/60 Power Supply 208/1/60 277/1/60 208/3/60 460/1/60 460/3/60
CCU-012 CCX-012
FLA 13.0 10.3
- - - - - - - -
FLA 4.0 3.2
- - - -
1.8
- - - -
MCA 15.3 12.1 MCA 5.0 4.0 2.3
MOP 20 15 MOP 15 15 15
CCU-018 CCX-018
FLA 13.6 10.9
- - - - - - - -
FLA 4.0 3.2
- - - -
1.8
- - - -
MCA 16.0 12.8 MCA 5.0 4.0 2.3
MOP 25 20 MOP 15 15 15
CCU-024 CCX-024
FLA 18.2 14.8 13.7 7.3 FLA 5.4 3.9
- - - -
2.2
- - - -
MCA 21.4 17.5 15.8 8.6 MCA 6.8 4.9 2.8
MOP 30 25 20 15 MOP 15 15 15
CCU-030 XCX-030
FLA 19.5 16.1 14.4 7.8 FLA 5.4 3.9
- - - - - - - -
2.2
MCA 23.0 19.2 16.7 9.2 MCA 6.8 4.9 2.8
MOP 35 30 25 15 MOP 15 15 15
XCU-036 XCX-036
FLA 24.6 21.0 17.3 7.9 FLA 6.7 5.4 3.8
- - - -
1.9
MCA 29.1 25.0 20.7 9.4 MCA 8.4 6.8 4.8 2.4
MOP 45 40 30 15 MOP 15 15 15 15
Notes:
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 eld installed step-down transformer.
3) - - - - Consult local AboveAir Sales Representative for non-cataloged system power supply information.