Lennox VMDD012S6-5P VRF Medium Static Ducted

Submittal Data

General Information

  • Compatible with R-32 VRF air, water, and mini systems.
  • The indoor unit features an integral condensate pump with a maximum 29" lift from the bottom of the unit, including a check valve and float switch that disables the indoor unit in the event of condensate overflow.
  • The indoor unit includes a built-in Wi-Fi adapter as standard, enabling control and monitoring via the Samsung SmartThings app.

Construction

Constructed from insulated, galvanized steel.

Refrigerant System

  • The heat exchanger features a mechanically bonded aluminum fin to copper tube design.
  • Refrigerant flow is controlled by an electronic expansion valve at the indoor unit.
  • The indoor unit includes an R32 alarm output plug for simple notification or interlock of third-party equipment upon R32 leak detection (VSTAT10P-1 accessory required).

Indoor Fan

  • Features Smart pressure control that adjusts fan speed based on ESP, delivering consistent heating and cooling power.
  • Includes a smart-tuning function for optimized comfort, allowing users to adjust the fan CFM curve to increase or decrease airflow.
  • Equipped with automatic air volume scanning for simple setup and optimized comfort settings for the occupant.

Controls

  • Control wiring utilizes 2 X 16 AWG wire.
  • The unit is operated via a wired remote controller, model VSTAT04P-1 (purchased separately).
  • Supports dual set temperature when connected to supported controllers.
  • Wired or wireless controllers must be purchased separately.

External Heat Control

  • Provides external heat control functionality for configuring fan operation during auxiliary heat, defrost, and emergency heat modes (VSTAT10P-1 accessory required).
  • Configuration settings include outside ambient external heat lockout, outside ambient compressor lockout, and time delay options (VSTAT10P-1 accessory required).
  • Emergency heat functionality ensures the system continues controlling the external heat source even when system errors prevent the heat pump from operating (VSTAT10P-1 accessory required).

Convenience

  • Features an Emergency Temperature Output (ETO) function: when the indoor unit is in an error status or when room temperature exceeds a configurable level, the system outputs a signal to an external source (e.g., backup system, building management system, alert device like a status light, warning lamp, or buzzer).

Specifications

SpecificationValue
ModelVMDD012S6-5P
Indoor Unit Model NumberVMDD012S6-5P
Nominal Capacity Cooling (Btu/h)12,000
Nominal Capacity Heating (Btu/h)13,500
Voltage1/208-230/60 Hz
Operating Current (max.) Cooling (A)0.30
Operating Current (max.) Heating (A)0.30
MCA (A)0.91
MOP (A)15
Evaporator Fan TypeBLDC (1) With Sirocco Fan (2)
Evaporator Fan Consumption (Watts)153
Evaporator Fan External Static Pressure Standard ("WC)0.04
Evaporator Fan External Static Pressure Min. / Max. ("WC)0 / 0.59
Airflow Air Volume (L/M/H/Turbo) Cooling (CFM)300 / 353 / 424
Airflow Air Volume (L/M/H/Turbo) Heating (CFM)300 / 353 / 424
Refrigerant TypeR-32
Refrigerant A2L Leak DetectionIntegral
Pipe Connections High side1/4
Pipe Connections Low side1/2
Condensate Pipe Connection1 1/4 in. OD, 1 in. ID
Dimensions W X H X D (In.)33 7/16 X 9 13/16 X 27 9/16
Weight (lbs.)59.50
Duct Connections Supply (in.)32 3/16 X 8 11/16
Duct Connections Return (ID, in.)32 3/16 X 8 11/16
Sound Pressure Level Low / Med. / High (dB(A))25 / 27 / 29
Safety CertificationsUL 60335-2-40

Accessories

Accessory TypeModel Number
Filter boxV1FBX01-4P
Wired controller (Advanced)VSTAT04P-1
Wired controller (Touchscreen)VSTAT02P-1
Thermostat adapter (for connection to standard 24VAC thermostats)VSTAT09P-1
Wireless signal receiverVCTRL10P-1
Wireless signal controlVSTAT01P-1
Wireless controllerVCTRL11P-1
External temperature sensorVSTAT10P-1
External contact control interface moduleVSTAT10P-1
CN83 Pigtail (for 12VDC VENT output)JV DB39-01263A CN83 Pigtail

Dimensional Drawing

The unit dimensions are provided in inches. The overall dimensions are approximately 33-7/16 inches in width, 9-15/16 inches in height, and 27-9/16 inches in depth.

Key connection points and features are indicated:

  • Liquid pipe connection: 1/4 inch (Item 1)
  • Gas pipe connection: 1/2 inch (Item 2)
  • Gravity Drain Connection (Item 3)
  • Drain Connection (Item 4)
  • Opening for Power and Communication Wire Conduit (Item 5)
  • Supply Air Outlet Flange (Item 6)
  • Return Air inlet (Item 7)
  • Suspension Bolt Anchor Points (Item 8)

Duct connections are specified as 32-3/16 inches wide by 8-11/16 inches high for both supply and return.

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