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OSMO Recessed WallPlaster Frame

Concealed fit, architect-grade finish

The OSMO Recessed Wall Plaster Frame fan coil offers the highest level of fit and finish for a low wall fan coil. The concealed frame ensures only the front panel is visible, providing a clean, slim, paintable design ideal for discerning clients and demanding architects. It achieves and maintains temperature swiftly and silently, and is 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

Fully recessed in the wall
Paintable all-metal front panel
Auto-restart
Washable filters

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

Options

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

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

How It Works

OSMO Recessed Wall Plaster Frame cutaway showing the aesthetic panel and steel casing

AAesthetic panel
The panel is designed for perfect coupling with the recessed frame of the same size. It consists of a front panel, a removable grille for cleaning the air filters. The central part of the panel is easily removable for quick and complete maintenance of the unit. The aesthetic finishes are of a high standard for perfect integration in the environment. The standard color is white RAL 9003. The cover can be painted.
BSteel casing
Galvanized steel casing designed to be inserted into walls to house the fan coil. Equipped with the necessary cutouts for the passage of plumbing pipes and electrical cables.

Dimensions

OSMO Recessed Wall Plaster Frame standard-version dimensioned drawing — Standard Version

Model	RW4S	RW8S	RW10S	RW12S	RW14S
L (in)	13.9	22.7	30.6	38.5	46.3

Model	RW4S	RW8S	RW10S	RW12S	RW14S
L (mm)	353	577	777	978	1176

OSMO Recessed Wall Plaster Frame low-version dimensioned drawing — Low Version

Model	RW2L	RW4L	RW6L	RW8L	RW10L
L (in)	14.9	22.7	30.6	38.5	46.4

Model	RW2L	RW4L	RW6L	RW8L	RW10L
L (mm)	378	577	777	978	1179

Available in Two Heights

OSMO Recessed Wall Plaster Frame aesthetic panel drawing

Model	RWP4S	RWP8S	RWP10S	RWP12S	RWP14S
L (in)	14.9	22.7	30.6	38.5	46.4

Model	RWP4S	RWP8S	RWP10S	RWP12S	RWP14S
L (mm)	378	577	777	978	1179

Technical Specifications

Cooling

Standard Version	RW4S	RW8S	RW10S	RW12S	RW14S
Total (MBh)	3.1	7.2	9.6	11.3	12.7
Sensible (MBh)	2.5	5.9	7.2	9.2	9.9
Water flow (GPM)	41.5	96.4	127.6	150.0	168.5
Pressure (Ft H2O)	4.0	2.7	5.7	6.0	7.1

Low Version	RW2L	RW4L	RW6L	RW8L	RW10L
Total (MBh)	1.7	4.1	5.5	7.2	8.9
Sensible (MBh)	1.5	3.4	4.9	6.8	8.0
Water flow (GPM)	23.2	54.9	73.7	96.4	118.1
Pressure (Ft H2O)	1.4	3.7	1.7	1.8	2.4

Heating

Standard Version	RW4S	RW8S	RW10S	RW12S	RW14S
Capacity (MBh)	3.5	7.5	10.3	13.0	14.7
Water flow (GPM)	46.2	100.4	137.1	173.0	196.3
Pressure (Ft H2O)	3.0	3.1	6.4	7.1	7.8

Low Version	RW2L	RW4L	RW6L	RW8L	RW10L
Capacity (MBh)	2.1	5.2	6.9	8.9	10.6
Water flow (GPM)	27.7	68.7	92.2	119.1	141.3
Pressure (Ft H2O)	1.7	5.4	2.4	2.7	3.4

Airflow

Standard Version	RW4S	RW8S	RW10S	RW12S	RW14S
High (CFM)	86	173	258	334	390
Medium (CFM)	53	124	187	241	282
Low (CFM)	29	69	106	145	154
Static pressure (In W.C.)	0.04	0.04	0.05	0.05	0.05

Low Version	RW2L	RW4L	RW6L	RW8L	RW10L
High (CFM)	67	134	195	259	288
Medium (CFM)	37	91	135	167	202
Low (CFM)	21	49	73	81	98
Static pressure (In W.C.)	0.04	0.04	0.04	0.04	0.04

Cooling

Standard Version	RW4S	RW8S	RW10S	RW12S	RW14S
Total (kW)	0.9	2.1	2.8	3.3	3.7
Sensible (kW)	0.7	1.7	2.1	2.7	2.9
Water flow (L)	157.1	364.9	483.0	567.8	637.8
Pressure (kPa)	12.0	8.1	17.0	17.9	21.2

Low Version	RW2L	RW4L	RW6L	RW8L	RW10L
Total (kW)	0.5	1.2	1.6	2.1	2.6
Sensible (kW)	0.4	1.0	1.4	2.0	2.3
Water flow (L)	87.8	207.8	279.0	364.9	447.1
Pressure (kPa)	4.2	11.1	5.1	5.4	7.2

Heating

Standard Version	RW4S	RW8S	RW10S	RW12S	RW14S
Capacity (kW)	1.0	2.2	3.0	3.8	4.3
Water flow (L)	174.9	380.1	519.0	654.9	743.1
Pressure (kPa)	9.0	9.3	19.1	21.2	23.3

Low Version	RW2L	RW4L	RW6L	RW8L	RW10L
Capacity (kW)	0.6	1.5	2.0	2.6	3.1
Water flow (L)	104.9	260.1	349.0	450.8	534.9
Pressure (kPa)	5.1	16.1	7.2	8.1	10.2

Airflow

Standard Version	RW4S	RW8S	RW10S	RW12S	RW14S
High (m³/h)	146	294	438	567	663
Medium (m³/h)	90	211	318	409	479
Low (m³/h)	49	117	180	246	262
Static pressure (Pa)	10	10	12	12	12

Low Version	RW2L	RW4L	RW6L	RW8L	RW10L
High (m³/h)	114	228	331	440	489
Medium (m³/h)	63	155	229	284	343
Low (m³/h)	36	83	124	138	167
Static pressure (Pa)	10	10	10	10	10

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