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AIO Vertical Stack XL

AIO Vertical Stack XL is the higher capacity version of the Vertical Stack.

The AIO Vertical Stack XL is the higher-capacity version of the Vertical Stack, designed to fit the same space as a VTAC. Its compact 23″ x 24″ footprint saves floor space and delivers up to 0.6″ WC static pressure for direct venting or ducting. A unique feature: it installs on a corridor wall for full servicing without entering the room. A bathroom exhaust connects to the dedicated stale-air outlet on either side. Available with or without integrated ERV, venting outside or through ductwork.

Key Features

  • Compact unit
  • Easy to install
  • High ESP for internal and external ducting
  • Extraordinary flexible ducting
  • Bathroom exhaust connection
  • Auto-restart
  • Washable filters

Options

  • Optional 900 or 1,800W electric heat
  • With With or without ERV
  • 230V
  • Hardwire or LCDI cord
  • R32
  • MERV 13 filtration on return air

Operation

  • Cool, heat, dehumidify, and auto
  • Selectable fan speeds, low, med, high, and auto
  • Fresh air ERV - field configurable amount of fresh air (with optional ERV Module)

Mounting

  • Vertical

Airflow

  • 22" x 31" external vent
  • Available 0.7" WC for external ducting, adapters, and louvers
  • Available 0.6" WC for internal ducting and louvers

Included controls

  • Onboard touch controller for diagnostics and programing

Optional controllers

  • WiFi app for Android and iPhoneWiFi app for Android and iPhone
  • Wall Mounted Advanced touchscreen with a 7-day program
  • Wall Mounted Basic touch controller
  • Third party thermostat interface
  • BACnet/Modbus interface

Extraordinarily Flexible Ducting

Vertical Stack XL’s powerful backward centrifugal ECM fan facilitates efficient condenser air movement through ductwork, enabling flexible placement within a room or apartment. Unlike traditional VTACs, it doesn’t require an outside wall. The design allows air supply from the top or both sides, with flexible condenser intake options (left, right, or rear). Flexible ducting choices with 0.7“ in. WC (174 Pa) make Vertical Stack XL versatile for installation without restrictions in any dwelling area.

fan coil xl 1
fan coil xl 2
fan coil xl 3
fan coil xl 4
fan coil xl 5
fan coil xl 6
fan coil xl 7
fan coil xl 8
condenser xl 1
condenser xl 2
condenser xl 3
condenser xl 4
condenser xl 5
condenser xl 6
condenser xl 7
condenser xl 8
condenser xl 9
fan coil 10
fan coil 11
fan coil 12
fan coil 13
fan coil 14
fan coil 15
fan coil 16
fan coil 17
condenser 1
condenser 2
condenser 3
condenser 4
condenser 5
condenser 6
condenser 7
condenser 8
condenser 9

No Access Required

The versatile design of AIO makes the system extremely reliable and inexpensive to maintain. If a repair is needed, a single unit can be taken off-line without affecting the entire system. It’s possible to install AIO Vertical stack XL on the corridor wall of each apartment/hotel room so that all maintenance can be achieved from a common area – at any time, which means no maintenance personnel needs to enter the unit.

Installation

Supply upper wall - return lower on both sides of the unit
Shown with plenum adapter for simplified ducting

What's Inside

Key Specifications

Cooling

Heat Pump only

Capacity

  • Maximum (kBtu/h)
  • Recommended (kBtu/h)*
  • Nominal (kBtu/h)
  • Minimum(kBtu/h)

Power Input

  • Maximum (kW)
  • Recommended (kW)*
  • Nominal (kW)
  • Minimum (kW)

Efficiency

  • Maximum
  • Recommended
  • Nominal
  • SEER2***

Moisture removal (Pts/h)

 

95°F 1

 

  • 24.0
  • 22.0 
  • 20.3
  • 4.5

 

  • 2.35
  • 2.05
  • 1.74
  • 0.34

 

  • 10.23
  • 10.76
  • 11.65
  • 13.91

1.9

 

105°F 2

 

  • 22.0
  • 20.5 
  • 18.3
  • 4.5

 

  • 2.32
  • 2.25
  • 1.96
  • 0.36

 

  • 9.48
  • 9.11
  • 9.36
  • -

2.1

 

115°F 3

 

  • 21.0
  • 18.5 
  • 17.5
  • 3.1

 

  • 2.36
  • 2.31
  • 2.15
  • 0.36

 

  • 8.91
  • 8.01
  • 8.15
  • -

2.31

  • 1
  • 2
  • 3
  • 95°F
  • 105°F
  • 115°F
  • ID: 80°F, W.B. 67°F;
  • ID: 80°F, W.B. 67°F;
  • ID: 80°F, W.B. 67°F;
  • OD: 95°F, W.B. 75°F
  • OD: 105°F, W.B. 75°F
  • OD: 115°F, W.B. 75°F
  • * This is the recommended capacity for sizing the unit to the space
  • ***SEER2 does not apply to PTHP-type units and is shown solely to enable comparison with similar heat pump systems. Values are for reference and comparison purposes only.

Heating

Heat Pump only**

Capacity

  • Maximum (kBtu/h)
  • Recommended (kBtu/h)*
  • Nominal (kBtu/h)
  • Minimum(kBtu/h)

Power Input

  • Maximum (kW)
  • Recommended (kW)*
  • Nominal (kW)
  • Minimum (kW)

Efficiency

  • Maximum
  • Recommended
  • Nominal
  • Minimum
  • HSPF2

 

47°F 1

 

  • 24.0
  • 20.0 
  • 17.3
  • 5.0

 

  • 2.34
  • 1.80
  • 1.42
  • 0.32

 

  • 3.01
  • 3.3
  • 3.56
  • 4.58
  • 9.12

 

17°F 2

 

  • 17.5
  • 11.6 
  • 10.4
  • 4.15

 

  • 2.28
  • 1.48
  • 1.29
  • 0.35

 

  • 2.25
  • 2.3
  • 2.37
  • 3.53
  • -

 

5°F 3

 

  • 12.5
  • 9.3 
  • 8.3
  • 3.85

 

  • 2.21
  • 1.39
  • 1.21
  • 0.34

 

  • 1.66
  • 1.96
  • 2.01
  • 3.28
  • -

 

0°F 4

 

  • 9.5
  • 8.3 
  • 7.4
  • 3.85

 

  • 2.38
  • 1.40
  • 1.22
  • 0.37

 

  • 1.2
  • 1.74
  • 1.79
  • 3.07
  • -

 

-5°F 5

 

  • 8.2
  • 7.6 
  • 6.8
  • 3.85

 

  • 2.38
  • 1.23
  • 1.06
  • 0.40

 

  • 1.0
  • 1.81
  • 1.88
  • 2.8
  • -
  • 1
  • 2
  • 3
  • 4
  • 5
  • 47°F
  • 17°F
  • 5°F
  • 0°F
  • -5°F
  • ID: 70°F, W.B. 60°F;
  • ID: 70°F, W.B. 60°F;
  • ID: 70°F, W.B. 60°F;
  • ID: 70°F, W.B. 60°F;
  • ID: 70°F, W.B. 60°F;
  • OD: 47°F, W.B. 43°F
  • OD: 17°F, W.B. 13°F
  • OD: 5°F, W.B. 3°F
  • OD: 0°F
  • OD: -5°F
  • * This is the recommended capacity for sizing the unit to the space.
  • ** The tables show Heat Pump performance only. An electric heating element can be added to provide an additional output of 3.1 or 6.1 kBtu/h.
  • ***SEER2 does not apply to PTHP-type units and is shown solely to enable comparison with similar heat pump systems. Values are for reference and comparison purposes only.

Cooling

Heat Pump only

Capacity

  • Maximum (kBtu/h)
  • Recommended (kBtu/h)*
  • Nominal (kBtu/h)
  • Minimum(kBtu/h)

Power Input

  • Maximum (kW)
  • Recommended (kW)*
  • Nominal (kW)
  • Minimum (kW)

Efficiency

  • Maximum
  • Recommended
  • Nominal
  • SEER2***

Moisture removal (Pts/h)

 

95°F 1

 

  • 24.0
  • 22.0 
  • 11.6
  • 4.5

 

  • 2.35
  • 2.05
  • 1.74
  • 0.34

 

  • 10.23
  • 10.76
  • 11.65
  • 15.4

1.9

 

105°F 2

 

  • 22.0
  • 20.5 
  • 18.3
  • 4.5

 

  • 2.32
  • 2.25
  • 1.96
  • 0.36

 

  • 9.48
  • 9.11
  • 9.36
  • -

2.1

 

115°F 3

 

  • 21.0
  • 185.5 
  • 17.5
  • 3.1

 

  • 2.36
  • 2.31
  • 2.15
  • 0.36

 

  • 8.91
  • 8.01
  • 8.15
  • -

2.31

  • 1
  • 2
  • 3
  • 95°F
  • 105°F
  • 115°F
  • ID: 80°F, W.B. 67°F;
  • ID: 80°F, W.B. 67°F;
  • ID: 80°F, W.B. 67°F;
  • OD: 95°F, W.B. 75°F
  • OD: 105°F, W.B. 75°F
  • OD: 115°F, W.B. 75°F
  • * This is the recommended capacity for sizing the unit to the space
  • ***SEER2 does not apply to PTHP-type units and is shown solely to enable comparison with similar heat pump systems. Values are for reference and comparison purposes only.

Heating

Heat Pump only**

Capacity

  • Maximum (kBtu/h)
  • Recommended (kBtu/h)*
  • Nominal (kBtu/h)
  • Minimum(kBtu/h)

Power Input

  • Maximum (kW)
  • Recommended (kW)*
  • Nominal (kW)
  • Minimum (kW)

Efficiency

  • Maximum
  • Recommended
  • Nominal
  • Minimum
  • HSPF2

 

47°F 1

 

  • 24.0
  • 20.0 
  • 14.2
  • 25.0

 

  • 2.34
  • 1.80
  • 1.42
  • 0.32

 

  • 3.01
  • 3.3
  • 3.56
  • 4.58
  • 9.15

 

17°F 2

 

  • 17.5
  • 11.4 
  • 10.4
  • 4.15

 

  • 2.58
  • 1.45
  • 1.29
  • 0.35

 

  • 2.25
  • 2.3
  • 2.37
  • 3.53
  • -

 

5°F 3

 

  • 12.5
  • 9.2 
  • 8.3
  • 3.85

 

  • 2.38
  • 1.40
  • 1.22
  • 0.37

 

  • 1.2
  • 1.72
  • 1.79
  • 3.07
  • -

 

0°F 4

 

  • 9.5
  • 8.3 
  • 7.4
  • 3.85

 

  • 2.38
  • 1.40
  • 1.22
  • 0.37

 

  • 1.2
  • 1.74
  • 1.79
  • 3.07
  • -

 

-5°F 5

 

  • 8.2
  • 7.6 
  • 6.8
  • 3.85

 

  • 2.38
  • 1.23
  • 1.06
  • 0.40

 

  • 1.0
  • 1.81
  • 1.88
  • 2.8
  • -
  • 1
  • 2
  • 3
  • 4
  • 5
  • 47°F
  • 17°F
  • 5°F
  • 0°F
  • -5°F
  • ID: 70°F, W.B. 60°F;
  • ID: 70°F, W.B. 60°F;
  • ID: 70°F, W.B. 60°F;
  • ID: 70°F, W.B. 60°F;
  • ID: 70°F, W.B. 60°F;
  • OD: 47°F, W.B. 43°F
  • OD: 17°F, W.B. 13°F
  • OD: 5°F, W.B. 3°F
  • OD: 0°F
  • OD: -5°F
  • * This is the recommended capacity for sizing the unit to the space.
  • ** The tables show Heat Pump performance only. An electric heating element can be added to provide an additional output of 3.1 or 6.1 kBtu/h.
  • ***SEER2 does not apply to PTHP-type units and is shown solely to enable comparison with similar heat pump systems. Values are for reference and comparison purposes only.

Cooling

Heat Pump only

Capacity

  • Maximum (kW)
  • Recommended (kW)*
  • Nominal (kW)
  • Minimum(kW)

Power Input

  • Maximum (kW)
  • Recommended (kW)*
  • Nominal (kW)
  • Minimum (kW)

Efficiency

  • Maximum
  • Recommended
  • Nominal
  • SEER2***

Moisture removal (L/h)

 

35°C 1

 

  • 7.0
  • 6.4 
  • 5.9
  • 1.3

 

  • 2.35
  • 2.05
  • 1.74
  • 0.34

 

  • 10.23
  • 10.76
  • 9.2
  • 13.91

0.9

 

41°C 2

 

  • 6.4
  • 6.0 
  • 5.4
  • 1.3

 

  • 2.32
  • 2.25
  • 1.96
  • 0.36

 

  • 9.48
  • 9.11
  • 9.36
  • -

1.0

 

46°C 3

 

  • 5.9
  • 5.4 
  • 5.1
  • 1.3

 

  • 2.36
  • 2.31
  • 2.15
  • 0.36

 

  • 8.91
  • 8.01
  • 8.15
  • -

1.1

  • 1
  • 2
  • 3
  • 35°C
  • 41°C
  • 48°C
  • ID: 26.7°C, W.B. 19.4°C;
  • ID: 26.7°C, W.B. 19.4°C;
  • ID: 26.7°C, W.B. 19.4°C;
  • OD: 35°C, W.B. 23.9°C
  • OD: 40.6°C, W.B. 23.9°C
  • OD: 46.1°C, W.B. 23.9°C
  • * This is the recommended capacity for sizing the unit to the space
  • ***SEER2 does not apply to PTHP-type units and is shown solely to enable comparison with similar heat pump systems. Values are for reference and comparison purposes only.

Heating

Heat Pump only**

Capacity

  • Maximum (kW)
  • Recommended (kW)*
  • Nominal (kW)
  • Minimum(kW)

Power Input

  • Maximum (kW)
  • Recommended (kW)*
  • Nominal (kW)
  • Minimum (kW)

Efficiency

  • Maximum
  • Recommended
  • Nominal
  • Minimum
  • HSPF2***

 

8°C 1

 

  • 7.0
  • 5.9 
  • 5.1
  • 1.5

 

  • 2.34
  • 1.80
  • 1.42
  • 0.32

 

  • 3.01
  • 3.3
  • 3.56
  • 4.58
  • 9.12

 

-8°C 2

 

  • 5.1
  • 3.4 
  • 3.0
  • 1.2

 

  • 2.28
  • 1.48
  • 1.29
  • 0.35

 

  • 2.25
  • 2.3
  • 2.37
  • 3.53
  • -

 

-15°C 3

 

  • 3.7
  • 2.7 
  • 2.4
  • 1.1

 

  • 2.21
  • 1.39
  • 1.21
  • 0.34

 

  • 1.66
  • 1.96
  • 2.01
  • 3.28
  • -

 

-17°C 4

 

  • 2.8
  • 2.4 
  • 2.2
  • 1.1

 

  • 2.38
  • 1.40
  • 1.22
  • 0.37

 

  • 1.2
  • 1.74
  • 1.79
  • 3.07
  • -

 

-20°C 5

 

  • 2.4
  • 2.2 
  • 2.0
  • 1.1

 

  • 2.38
  • 1.23
  • 1.06
  • 0.40

 

  • 1.0
  • 1.81
  • 1.88
  • 2.8
  • -
  • 1
  • 2
  • 3
  • 4
  • 5
  • 8°C
  • -8°C
  • -15°C
  • -17°C
  • -20°C
  • ID: 21.1°C, W.B. 15.6°C;
  • ID: 21.1°C, W.B. 15.6°C;
  • ID: 21.1°C, W.B. 15.6°C;
  • ID: 21.1°C, W.B. 15.6°C;
  • ID: 21.1°C, W.B. 15.6°C;
  • OD: 8.3°C, W.B. 6.1°C
  • OD: -8.3°C, W.B. 1-10.6°C
  • OD: -15°C, W.B. -16.1°C
  • OD: -17.8°C
  • OD:-20.6°C
  • * This is the recommended capacity for sizing the unit to the space.
  • ** The tables show Heat Pump performance only. An electric heating element can be added to provide an additional output of 3.1 or 6.1 kBtu/h.
  • ***SEER2 does not apply to PTHP-type units and is shown solely to enable comparison with similar heat pump systems. Values are for reference and comparison purposes only.

Cooling

Heat Pump only

Capacity

  • Maximum (kW)
  • Recommended (kW)*
  • Nominal (kW)
  • Minimum(kW)

Power Input

  • Maximum (kW)
  • Recommended (kW)*
  • Nominal (kW)
  • Minimum (kW)

Efficiency

  • Maximum
  • Recommended
  • Nominal
  • SEER2***

Moisture removal (L/h)

 

35°C 1

 

  • 7.0
  • 2.4 
  • 3.4
  • 1.3

 

  • 2.35
  • 2.05
  • 1.74
  • 0.34

 

  • 10.23
  • 10.76
  • 11.65
  • 15.4

0.9

 

41°C 2

 

  • 6.4
  • 6.0 
  • 5.4
  • 1.3

 

  • 2.32
  • 2.25
  • 1.96
  • 0.36

 

  • 9.48
  • 9.11
  • 9.36
  • -

1.0

 

46°C 3

 

  • 5.9
  • 5.4 
  • 5.1
  • 1.3

 

  • 2.36
  • 2.31
  • 2.15
  • 0.36

 

  • 8.91
  • 8.01
  • 8.15
  • -

1.1

  • 1
  • 2
  • 3
  • 35°C
  • 41°C
  • 48°C
  • ID: 26.7°C, W.B. 19.4°C;
  • ID: 26.7°C, W.B. 19.4°C;
  • ID: 26.7°C, W.B. 19.4°C;
  • OD: 35°C, W.B. 23.9°C
  • OD: 40.6°C, W.B. 23.9°C
  • OD: 46.1°C, W.B. 23.9°C
  • * This is the recommended capacity for sizing the unit to the space
  • ***SEER2 does not apply to PTHP-type units and is shown solely to enable comparison with similar heat pump systems. Values are for reference and comparison purposes only.

Heating

Heat Pump only**

Capacity

  • Maximum (kW)
  • Recommended (kW)*
  • Nominal (kW)
  • Minimum(kW)

Power Input

  • Maximum (kW)
  • Recommended (kW)*
  • Nominal (kW)
  • Minimum (kW)

Efficiency

  • Maximum
  • Recommended
  • Nominal
  • Minimum
  • HSPF2***

 

8°C 1

 

  • 7.0
  • 5.9 
  • 4.2
  • 1.5

 

  • 2.64
  • 1.80
  • 1.42
  • 0.32

 

  • 3.01
  • 3.3
  • 3.56
  • 4.58
  • 9.15

 

-8°C 2

 

  • 5.1
  • 3.3 
  • 3.0
  • 1.2

 

  • 2.28
  • 1.45
  • 1.29
  • 0.35

 

  • 2.25
  • 2.3
  • 2.37
  • 3.53
  • -

 

-15°C 3

 

  • 3.7
  • 2.7 
  • 2.4
  • 1.1

 

  • 2.21
  • 1.20
  • 1.21
  • 0.34

 

  • 1.66
  • 2.25
  • 2.01
  • 3.28
  • -

 

-17°C 4

 

  • 2.8
  • 2.4 
  • 2.2
  • 1.1

 

  • 2.38
  • 1.40
  • 1.22
  • 0.37

 

  • 1.2
  • 1.74
  • 1.79
  • 3.07
  • -

 

-20°C 5

 

  • 2.4
  • 2.2 
  • 2.0
  • 1.1

 

  • 2.38
  • 1.23
  • 1.06
  • 0.40

 

  • 1.0
  • 1.81
  • 1.88
  • 2.8
  • -
  • 1
  • 2
  • 3
  • 4
  • 5
  • 8°C
  • -8°C
  • -15°C
  • -17°C
  • -20°C
  • ID: 21.1°C, W.B. 15.6°C;
  • ID: 21.1°C, W.B. 15.6°C;
  • ID: 21.1°C, W.B. 15.6°C;
  • ID: 21.1°C, W.B. 15.6°C;
  • ID: 21.1°C, W.B. 15.6°C;
  • OD: 8.3°C, W.B. 6.1°C
  • OD: -8.3°C, W.B. 1-10.6°C
  • OD: -15°C, W.B. -16.1°C
  • OD: -17.8°C
  • OD:-20.6°C
  • * This is the recommended capacity for sizing the unit to the space.
  • ** The tables show Heat Pump performance only. An electric heating element can be added to provide an additional output of 3.1 or 6.1 kBtu/h.
  • ***SEER2 does not apply to PTHP-type units and is shown solely to enable comparison with similar heat pump systems. Values are for reference and comparison purposes only.
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Documentation

Without ERV

Data Sheet

Installation

With ERV

Data Sheet

Installation

BIM