Ceiling-mounted hot-water steam air curtain

Models designed for use with suspended ceiling systems are installed flush, with only the unit’s front panel visible above the ceiling. The large panel size effectively conceals the gap between the cabinet and the ceiling; the panel can be removed for maintenance. The panel is made of carbon steel with a white electrostatic powder coating, and custom colors or stainless steel options are available. Operating conditions require ambient temperatures above 5°C; during the heating season, continuous heat supply is necessary to prevent freezing and cracking of the internal heat exchanger. Machine length does not include inlet and outlet water pipes; when selecting a model, account for the space occupied by piping and associated fittings. Hot‑water models require water at temperatures of 60°C or higher, while steam‑type models require steam at pressures below 0.4 MPa. Options include remote‑controlled and non‑controlled versions; the non‑controlled version is intended solely for centralized control in engineering applications.

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Top-blowing hot steam type air curtain

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Description

Model Name
RM16 (20, 23) LQR-S(Q) Embedded Series

Main uses
It is recessed and installed on a suspended ceiling no higher than 3.2 meters, preventing outdoor air from entering while providing supplemental heating indoors.

Place of Use
The machine needs to be embedded and installed in a location mounted on the overhead canopy.

Product Overview
This model is designed for use with decorative suspended ceilings; it is installed flush, with only the unit’s front panel visible above the ceiling.
The panel is large, effectively concealing the gap between the enclosure and the suspended ceiling; it can be removed for maintenance.
The panel is made of carbon steel with an electrostatic white powder coating; custom panel colors or stainless steel options are available.
The ambient temperature must be maintained above 5°C, and continuous heating is required during the heating season to prevent freezing and cracking of the internal heat exchanger.
The machine’s length does not include the inlet and outlet water pipes; when selecting the model, account for the space occupied by the pipes and associated piping accessories.
The hot-water type requires water at temperatures above 60°C, while the steam type requires steam at pressures below 0.4 MPa.
They are available in remote‑control and non‑control versions; the non‑control version is intended solely for centralized control in engineering applications.
Classification by fan model:
RM16LQR-S(Q): Low noise, suitable for small venues with low suspended ceilings and quiet environments;
RM20LQR-S(Q): Balances noise reduction and blocking performance, suitable for medium to large, quiet venues.
RM23LQR-S(Q): Excellent blocking performance, suitable for large venues with high ceilings and heavy foot traffic.
Compared with concealed‑mount models:
Easy installation: The panel is larger than the enclosure, effectively concealing the gap between the enclosure and the suspended ceiling.
Easy maintenance: The panel can be removed for servicing, and the ceiling canopy remains intact even when the unit is disassembled.
High efficiency and energy savings: Hot air beneath the suspended ceiling serves as the supply air, delivering a higher outlet air temperature at the same heating capacity.

Main Parameters
Hot-water type

Installation Height m	Model number	Power supply V	Panel length mm	Motor Total power W	Air volume m ³/h	Wind speed m/s	Enter and exit Pipe diameter	Supply and return water temperatures: 70/60°C	Supply and return water temperatures: 80/65°C	Supply and return water temperatures: 90/70°C
Installation Height m	Model number	Power supply V	Panel length mm	Motor Total power W	Air volume m ³/h	Wind speed m/s	Enter and exit Pipe diameter	Heating capacity kW	Heating capacity kW	Heating capacity kW
2.4-2.6	RM1609LQR-S	220	930	200	1700	9	DN32	15	20	24
	RM1612LQR-S		1230	300	2550	10		22	29	34
	RM1615LQR-S		1530	400	3400	10		28	37	44
	RM1618LQR-S		1830	400	3400	9		30	40	48
	RM1620LQR-S		2030	500	4250	10		39	52	60
2.5-3	RM2009LQR-S	380	930	250	1600	8	DN40	17	23	27
	RM2012LQR-S		1230	440	2600	9		25	33	39
	RM2015LQR-S		1530	500	3200	9		32	43	50
	RM2018LQR-S		1830	500	3200	8		36	48	56
	RM2020LQR-S		2030	750	4800	9		45	60	70
2.8-3.2	RM2309LQR-S	380	930	370	2000	9	DN50	20	26	31
	RM2312LQR-S		1230	640	3400	10		28	38	44
	RM2315LQR-S		1530	740	4000	10		37	49	58
	RM2318LQR-S		1830	740	4000	9		41	55	64
	RM2320LQR-S		2030	1110	6000	10		51	69	80

Steam type

Installation Height m	Model number	Power supply V	Panel length mm	Motor Total power W	Air volume m ³/h	Wind speed m/s	Enter and exit Pipe diameter	Steam pressure 0.1 MPa	Steam pressure 0.2 MPa	Steam pressure 0.3 MPa
Installation Height m	Model number	Power supply V	Panel length mm	Motor Total power W	Air volume m ³/h	Wind speed m/s	Enter and exit Pipe diameter	Heating capacity kW	Heating capacity kW	Heating capacity kW
2.4-2.6	RM1609LQR-Q	220	930	200	1700	9	DN25	17	22	25
	RM1612LQR-Q		1230	300	2550	10		23	31	35
	RM1615LQR-Q		1530	400	3400	10		30	39	45
	RM1618LQR-Q		1830	400	3400	9		34	44	50
	RM1620LQR-Q		2030	500	4250	10		40	53	61
2.5-3	RM2009LQR-Q	380	930	250	1600	8	DN32	19	25	29
	RM2012LQR-Q		1230	440	2600	9		26	35	40
	RM2015LQR-Q		1530	500	3200	9		34	44	51
	RM2018LQR-Q		1830	500	3200	8		37	49	56
	RM2020LQR-Q		2030	750	4800	9		46	60	70
2.8-3.2	RM2309LQR-Q	380	930	370	2000	9	DN40	24	32	36
	RM2312LQR-Q		1030	640	3400	10		33	44	50
	RM2315LQR-Q		1530	740	4000	10		42	56	64
	RM2318LQR-Q		1830	740	4000	9		46	61	70
	RM2320LQR-Q		2030	1110	6000	10		57	76	87

Precautions
The machine model is designed to match the project specifications and can be custom‑made according to the drawing‑specified length and parameters.

Ceiling-mounted hot-water steam air curtain

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