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OSMO Recessed Wall unit set into a wall

OSMO Recessed Wall

OSMO Recessed Wall unit render

Concealed frame, clean finish

The OSMO Recessed Wall fan coil offers a high level of fit and finish for a low wall fan coil. Recessed into the wall, only the front panel is visible, providing a clean and slim design with a paintable all-metal cabinet. DC inverter technology keeps operation super quiet and efficient, reaching and holding the desired temperature through continuous automatic fan modulation. Available in two heights: standard at 23.5" and low at 15".

Compatible with low-temperature generators such as heat pumps, condensing boilers, and solar-integrated systems.

Key Features

  • Easy to install
  • Paintable all-metal cabinet
  • Always-on back-lit LED dims after 15 seconds of inactivity
  • Auto-restart
  • Washable filters

Versions

  • S - Standard (23.5 inches tall)
  • Easy to install - Low (15 inches tall)

Options

  • Legs
  • UVC Sterilizer Lamp
  • Support Legs
  • Back cover panel
  • Motorized return air louver
  • LCDI power cord
  • Custom factory colors

Operation

  • Cool, heat, dehumidify, and auto
  • Selectable fan speeds, low, med, high, and auto

Connection

  • 2‑pipe
  • 4‑pipe
  • Can connect to low temperature 4 pipe systems with optional 6‑way valve
  • Available in 1/2 or 3/4 connections

Mounting

  • Recessed low wall mount

Airflow

  • Supply air angled up (front)
  • Return air is on lower front

Controller Options

  • WiFi app for Android and iPhone
  • Centralized control
  • Wall Mounted Basic touch controller
  • Third party thermostat interface
  • BACnet/Modbus interface

Dimensions

OSMO Recessed Wall standard-version dimensioned drawing
Standard Version
ModelRW4SRW8SRW10SRW12SRW14S
L (in)13.922.730.638.546.3
ModelRW4SRW8SRW10SRW12SRW14S
L (mm)3535777779781176
OSMO Recessed Wall low-version dimensioned drawing
Low Version
ModelRW2LRW4LRW6LRW8LRW10L
L (in)14.922.730.638.546.4
ModelRW2LRW4LRW6LRW8LRW10L
L (mm)3785777779781179

Available in Two Heights

OSMO Recessed Wall standard aesthetic panel drawing
Standard Version
ModelRW4SRW8SRW10SRW12SRW14S
L (in)20.628.536.444.352.2
Aesthetic panel (in)30.438.346.15461.9
ModelRW4SRW8SRW10SRW12SRW14S
L (mm)52372492511251326
Aesthetic panel (mm)772973117113721572
OSMO Recessed Wall low aesthetic panel drawing
Low Version
ModelRW2LRW4LRW6LRW8LRW10L
L (in)20.628.536.444.352.2
Aesthetic panel (in)30.438.346.15461.9
ModelRW2LRW4LRW6LRW8LRW10L
L (mm)52372492511251326
Aesthetic panel (mm)772973117113721572

Technical Specifications

Cooling
Standard VersionRW4SRW8SRW10SRW12SRW14S
Total (MBh)3.17.29.611.312.7
Sensible (MBh)2.55.97.29.29.9
Water flow (GPM)41.596.4127.6150.0168.5
Pressure (Ft H2O)4.02.75.76.07.1
Low VersionRW2LRW4LRW6LRW8LRW10L
Total (MBh)1.74.15.57.28.9
Sensible (MBh)1.53.44.96.88.0
Water flow (GPM)23.254.973.796.4118.1
Pressure (Ft H2O)1.43.71.71.82.4
Heating
Standard VersionRW4SRW8SRW10SRW12SRW14S
Capacity (MBh)3.57.510.313.014.7
Water flow (GPM)46.2100.4137.1173.0196.3
Pressure (Ft H2O)3.03.16.47.17.8
Low VersionRW2LRW4LRW6LRW8LRW10L
Capacity (MBh)2.15.26.98.910.6
Water flow (GPM)27.768.792.2119.1141.3
Pressure (Ft H2O)1.75.42.42.73.4
Airflow
Standard VersionRW4SRW8SRW10SRW12SRW14S
High (CFM)86173258334390
Medium (CFM)53124187241282
Low (CFM)2969106145154
Static pressure (In W.C.)0.040.040.050.050.05
Low VersionRW2LRW4LRW6LRW8LRW10L
High (CFM)67134195259288
Medium (CFM)3791135167202
Low (CFM)2149738198
Static pressure (In W.C.)0.040.040.040.040.04
Cooling
Standard VersionRW4SRW8SRW10SRW12SRW14S
Total (kW)0.92.12.83.33.7
Sensible (kW)0.71.72.12.72.9
Water flow (L)157.1364.9483.0567.8637.8
Pressure (kPa)12.08.117.017.921.2
Low VersionRW2LRW4LRW6LRW8LRW10L
Total (kW)0.51.21.62.12.6
Sensible (kW)0.41.01.42.02.3
Water flow (L)87.8207.8279.0364.9447.1
Pressure (kPa)4.211.15.15.47.2
Heating
Standard VersionRW4SRW8SRW10SRW12SRW14S
Capacity (kW)1.02.23.03.84.3
Water flow (L)174.9380.1519.0654.9743.1
Pressure (kPa)9.09.319.121.223.3
Low VersionRW2LRW4LRW6LRW8LRW10L
Capacity (kW)0.61.52.02.63.1
Water flow (L)104.9260.1349.0450.8534.9
Pressure (kPa)5.116.17.28.110.2
Airflow
Standard VersionRW4SRW8SRW10SRW12SRW14S
High (m³/h)146294438567663
Medium (m³/h)90211318409479
Low (m³/h)49117180246262
Static pressure (Pa)1010121212
Low VersionRW2LRW4LRW6LRW8LRW10L
High (m³/h)114228331440489
Medium (m³/h)63155229284343
Low (m³/h)3683124138167
Static pressure (Pa)1010101010
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