We provide the extra function of Constant Temperature and Humidity and make this series due to some industrial and commercial facilities need to provide an ideal environment for the well-being of certain products and for the comfort of customers and visitors. by installing a good quality Constant Temperature and Humidity Dehumidifier into your facility, you can control not only the humidity in RH% but also the temperature on freely. We have 3 types of Thermostat dehumidifier for your choice: GMHW-7F, GMHW-10F, GMHW-15F and GMHW-20F. and to provide sustainable and creative service, we are still innovated other types. Except for the standard ones, we also accept customized thermostat dehumidifier units in accordance with your specific requirement. 

Principle of Constant Temperature and

the whole process contains 3 main connected systems: Refrigerant recycling system, Air recycling system and Electrical automatic control system.

Refrigerant cycling system: 

the liquid refrigerant absorbs the heat in the air and starts to evaporate, thus making the relative temperature difference between the refrigerant and the air. When the liquid refrigerant comes into gaseous form, it is inhaled and condensed in the compressor. Then the gaseous refrigerant absorbs heat in the condenser (air cool/water cool) into liquid. through the throttling process of the expansion valve, it finally becomes liquid refrigerant with low temperature and low pressure. that is the recycling system of refrigerant.

Air recycling system: the air is sucked up into air outlet by the fan. It is transferred into the room where users needed through evaporator (Cooling and dehumidify), humidifier and electric heater (Heating). Then the transferred air mix with the air within the room comes back to the air outlet. that makes the recycling of air.

Electrical automatic control system: this system is made us of voltage and automatic control system separately. Voltage, in simple terms, supply electricity to the compressor, fan, electric heater. Automatic control system can be divided into temperature control, humidity control and malfunction protection. 

Application of Constant Temperature and Humidity Dehumidifier

National defense engineering, Civil air defense works,  precision instrument room, Tobacco, Petrochemical industry, Subway station, Aerospace, Purification Project, Laboratory, Computer room, Archives, Food workshops, Pharmaceutical or firm workshops, Special Glass Production, Wood and other occasions needs the control of humidity and temperature.

Greeme's Constant Temperature and Humidity Dehumidifier

Properties	Model		GMHW-7F	GMHW-10F	GMHW-15F	GMHW-20F
	Control scope of Air Temperature		16-35	15-35	13-35	13-35
	Control scope of Air Humidity	%RH	35%--95%	35%--95%	35%--95%	35%--95%
	Cooling Load	kw	9.5	15	2X9.5	2X15
	Heating Load	kw	10.45	16.5	20.9	33
	Circulating Air Flow	m3/h	1800	2500	3800	5000
	Noise	dB(A)	50	55	60	65
	Voltage	V/HZ	380V/50HZ	380V/50HZ	380V/50HZ	380V/50HZ
Refrigeration and Heating System	Compressor Type		Rotating Type	Totally enclosed flexible scroll type	Totally enclosed flexible scroll type	Totally enclosed flexible scroll type
	Surplus Pressure of the Unit	PA	70-120	100-150	100-150	150-200
	Maximum input Power	kw	4.5	6.85	7.5	12
	Maximum input current	A	9	12.4	15	24
	Compressor input Power	kw	2.93	4.3	2X2.93	2X4.3
	Compressor input Current	A	5.1	7.5	2X5.1	2X7.5
	Refrigerant		R22   1800g	R22   2200g	R22   2X3800 g	R22   2X3800 g
	Evaporator		Copper tube with aluminum fin	Copper tube with aluminum fin	Copper tube with aluminum fin	Copper tube with aluminum fin
	Condenser		Copper tube with aluminum fin	Copper tube with aluminum fin	Copper tube with aluminum fin	Copper tube with aluminum fin
Dehumidifying System	Dehumidify Capacity	Kg/h	7	10	15	20
	Mode		Water cooling	Water cooling	Water cooling	Water cooling
	Dehumidification Power	kw	4	5	7	9
	Mode		Air cooling	Air cooling	Air cooling	Air cooling
Humidifying System	Humidify Capacity	Kg/h	3	6	9	12
	Mode		Ultrasonic	Ultrasonic	Ultrasonic	Ultrasonic
	Humidification Power	kw	0.3	0.6	0.9	1.2
Heating System	Mode		PTC	PTC	PTC	PTC
	Heating Power	KW	2	4	8	12
Supply System	Fan mode		Low noise centrifrugal	Low noise centrifrugal	Low noise centrifrugal	Low noise centrifrugal
	Fan amount		1	1	2	2
	Driving mode		Motor drive	Motor drive	Motor drive	Motor drive
	Power of Motor	kw	0.1	0.25	0.45	0.9
	Air in / Out Method		Front in, Top out	Front in, Top out	Front in, Top out	Front in, Top out
	Filter		Plate type pre-filter	Plate type pre-filter	Plate type pre-filter	Plate type pre-filter
Control Method			Mechanical intelligent control	Mechanical intelligent control	Mechanical intelligent control	Mechanical intelligent control
Dimension of indoor units			800*500*1680	800*500*1680	1170*655*1800mm	1170*655*1800mm
Weight of indoor units			200 kg	200 kg	300 kg	300 kg
Dimension of outdoor units			900X330X800	970*410*1260mm	900X330X800	970*410*1260mm
Weight of outdoor units			128kg	128kg	150 kg	150 kg
Model and Amount of out door units			SW3N*1	SW5N*1	SW3N*2	SW5N*2