Unit Model			RBH_-WFAA
			12M	16S	16M	18M	18M
Nominal heating	Heating capacity	kW	370.2	609.5	739.4	1109.6	1109.6
		kCal/h	318372	524170	635884	834200	954256
	Input Power	kW	130.3	212.3	255.0	382.5	382.5
Compressor	compressor		SRH-12M	SRH-16S	SRH-16M	SRH-18M	SRH-18M
	Power supply		3P-380V-50Hz
	Way/scope of capacity control		Stepless adjustment: 10%-100%
	Start method		Y/∆
	Refrigerant		R717
Water-side Heat Exchanger	Type		Plate-and- shell type
	Water flow rate	m3/h	39.2	65.0	79.4	119.1	160.6
	Water pressure drop	kPa	18.2	9.1	19.6	20.0	29.0
	water inlet and outlet pipes	mm	80	125	125	150	200
Operation-side Heat Exchanger	Type		Plate-and-shell type
	Water inlet and outlet temperature	C	45/90
	Water flow rate	m3/h	7.1	11.8	14.3	21.5	28.8
	Water pressure drop	kPa	17.9	18.5	19.0	20.3	31.2
	Water inlet and outlet pipes	mm	40	50	65	65	80
Outline dimension	Length	mm	3800	4400	4600	4700	4900
	Width	mm	2000	2200	2300	2400	2600
	Height	mm	2400	2400	2750	2800	3100

1. The above parameters are calculated based on the following conditions: Evaporation/condensation temperature: 17 /93
2. Due to the technology improvement, the parameters and dimensions the unit may be different, and subject to the actual design
3. The above model is standard model, and maybe changed due to product improvement. The delivery drawing and product nameplate parameteres provided bye te company will prevail finally. The user may put foward the special design according to the needs.
   The “_” in the unit name indicates the compressor model, such as RBH12M-WFAA.

Based on the well-know SRMTEC open-type screw compressors, Snowman Co., Ltd has optimized the design and launched a full series of standard open-type screw water source high temperature heat pumps unit. The water source high-temperature heat pump is a king of unit using water as the heat source, and can be used for heading according to the operating conditions. The refrigerant ammonia is ideal for enviromental protection, high efficiency and energy conservation, thus reducing carbon emissions. Due to computer-based intelligent control, the unit is easy to operate and has high degree of automation. The unit is equipped with: compressor, open-type motor, control center, oil separator, oil cooling condenser, evaporator, (economizer), large-capacity filter, pre-lubrication oil pump,automatic control componet, etc.

Medium: R717;
Effluent temperature: 90 C
Nominal conditions of the unit: 17 C/93 C

The unit is applicable to low- grade heat sources such as the ground, surface, water source, water ring type source, embedded pipe type water source and sewage source.

The output temperature is up to 90 C. The unit can be widely applied in the fields of regional heating, domestic hot water, waste heat recovery, etc.

Heating mode	Water-source heat pump unit	UHT heat pump unit	Pipeline gas boiler	Oil fired boiler	Electric boiler
Energy type	Electricity	Power	Gas	Diesel	Power
Heating capacity	KCal/kWh	kCal/kg	kCal/m³	kCal/kg	kCal/kWh
	860	10800	4000	10200	860
Energy efficiency ratio	290%	80%	80%	65%	95%
Energy consumption	45000 (290%x860) = 18.0kWh	45000 / (80%x10800) = 5.2kg	45000 / (80%x4000) = 14.1m³	45000 / (65%x10200) = 6.8kg	45000 / (95%x860) = 55.1kWh
Unit price of energy	RMB/kWh	RMB/kg	RMB/m³	RMB/kg	RMB/kWh
	1.00	6.25	2.20	6.00	1.00
costs	18	32.2	31.0	40.7	55.1

Description: the figures in the above table is based on heating 1t water from 45°C to 95°C and the local energy price. The data are only for reference in calculation.

Operating condition: Evaporation temperature 17°C; condensation temperature 93°C.

• SRM patent profile optimal 6+8 tooth mesh combination, excellent compression performance under high pressure, and maximum speed of 6000rpm. The standalone refrigeration capacity is increased by 48%.
• Stepless capacity control from 10% to 100%, accurate positioning with the intelligent controller, and rapid response.
• VI (interior volume specific ratio) adjustment, ensuring efficiency operation under various conditions.
• The rotor is made of high-quality forged steel, and has good comprehensive physical properties, high strength and wear resistance.
• Rolling bearing of high precision and wear resistance, with a design life of 100,000h.
• The shaft seal has a double-layer corrugated structure, and is able to bear high pressure, thus ensuring the sealing performance.
• The housing is made of special cast steel of low expansion coefficient and high strength, and the working pressure is up to 6.3MPa

• The oil separator is a four-stage oil separation system. The oil separation efficiency is 3-5ppm because of centrifugal separation, gravity separation, filler separation and separation with the high-efficiency molecular sieve, thus effectively reducing the lubrication oil in the refrigeration system and improving the operating efficiency of the system
• Efficient oil cooler, the cooling method can either be water cooling or refrigerant cooling.
• Pre-lubricating with a small oil pump and supplying oil by differential pressure after stable operation, which is reliable and power saving.
• With multi-point oil spray cooling system, the compressor may be kept efficient and reliable operation.

• Optimized heat exchange design and compact structure, ensuring efficient heat exchange.
• High fouling factor, cleaning after long-time running not necessary.

• The unit is equipped with the open-type asynchronous motor, with high efficiency and low noise.
  The permanent magnet synchronous motor is optional.
• The unit is equipped with the 380V low-voltage-motor. The 6kV, 10kV and other special motors are optional.

The optimal structural design, highly integrated unit, small space occupation, convenient for transportation and installation, short engineering installation period

User-friendly interface, startup with the press of a button, easy operation and intelligent control.

Real-time monitoring of the unit, touch panel capable of displaying system pressure, power capacity control position, running time, operational mode, operating condition, etc., in real time and capable of storing historical information.

The center is equipped with a preventive safety system which allows unattended operation to be safe and reliable.

Automatic capacity control allows the unit to operate effectively under different conditions.

Automatic water temperature control, providing the temperature range required by the customer.

Automatic management of oil temperature limits the oil temperature in a certain range, ensuring the efficient and stable operation of the unit

Automatic control of pressure ensuring the discharge pressure and suction pressure is controlled within the setting range.

Remove operation, local operation and other operation modes are available for the system to turn on and turn off the equipment..

To ensure the cleanness of the system, the unit is equipped with large capacity precise oil filter, suction filter to stop foreign matters which might be introduced during installation or operation and keep unit running efficiently and stable. Filters are easy to use and maintain and can be removed for cleaning.

All the elements in the system are produced by well-known manufacturers and of high reliability and quality assurance.

Flexible couplings are used to connect the compressor and motor.

The adapter is installed between motor and compressor. It integrates the motor and the compressor with good centerline alignment and makes the operation more stable.

Heat Pump Unit (125°C)

Heating mode	UHT heat pump unit	LPG boiler	Pipeline gas boiler	Oil fired boiler	Electric boiler
Energy type	Power	LPG	Gas	Diesel	Power
Heating capacity	KCal/kWh	kCal/kg	kCal/m³	kCal/kg	kCal/kWh
	860	10800	4000	10200	860
Energy efficiency ratio	230%	80%	80%	65%	95%
Energy consumption	45000 / (230%x860) = 22.8k Wh	45000 / (80%x10800) = 5.2kg	45000 / (80%x4000) = 14.1 m	45000 / (65%x10200) = 6.8kg	45000 / (95%x860) = 55.1kWh
Unit price of energy	RMB/kWh	RMB/kg	RMB/m³	RMB/kg	RMB/kWh
	1.00	6.25	2.20	6.00	1.00
costs	22.8	32.5	31.0	40.8	55.1

Description: The calculation in the above table is based on heating of 1t wáter from 80°C to 125°C and the local energy price. The data are only for reference in calculation.

Working condition: the hot wáter temperatura on the application side is 125°C. The inlet wáter temperatura on the heat source side is 75°C.

Unit Model			RBH_-WFAA
			12M	16S	16M	20S
Nominal heating	Heating capacity	kW	145.0	297.0	375.0	586.0
	Heating capacity	kCal/h	124700	155420	322500	503960
	Rated Power	kW	62.5	123.0	154.0	240.0
Compressor	Power supply		3P-380V-50Hz
	Way/scope of capacity control		Stepless adjustment: 10%-100%
	Start method		Y/∆
	Refrigerant		R245fa
Heat source side heat exchanger	Type		Plate-and- shell type
	Water flow rate	m3/h	8.9	18.0	23.0	36.5
	Water pressure drop	kPa	4.3	4.8	5.6	6.2
	water inlet and outlet pipes	mm	DN50	DN50	DN50	DN65
Side heat exchanger	Type		High- efficiency plate heat exchanger
	Water flow rate	m3/h	3.9	7.9	10.0	15.8
	Water pressure drop	kPa	4.3	4.8	5.6	6.5
	Water inlet and outlet pipes	mm	DN32	DN32	DN40	DN40
Outline dimension	Length	mm	3800	4100	4500	5000
	Width	mm	2300	2300	2300	2300
	Height	mm	2500	2500	2500	2300
Unit weight	Net weight	kg	2900	3000	3500	4000
	Operational weight	kg	3100	3200	3700	4200

1. The above parameters are calculated base don the following conditions: the hot water temperatura on the application side is 125°C. The inlet water temperatura on the heat source side is 75°C.
2. Due to the technology improvement, the paremeters, dimensions and weight of the unit may be different, and subject to the actual design.
3. The above model is the standard model, and may be changed due to product improvement. The delivery drawing and product nameplate parameters provided by the Company will prevail. The user may put forward a special design according to their needs.
4. “_” in the unit name indicates the compressor model, such as RBH16S-WFZA.

Co., Ltd has optimized the desing and launched the standard open-type UHT heat pump unit. The hot wáter temperatura is up to 125°C. The open-type single-stage compressor in applied in the unit. Energy can be adjusted automatically.
Due to the enviromentally friendly refrigerant, the high-efficiency unit is enviromental preotection and energy conservation, reducing carbón emissions: With the intelligent control center, the unit is easy beatunes operated and has high degree of automation. The unit includes: compressor, open-type motor, evaporator, condenser, oil separator, oil cooler, liquid accumulator large-capacity filter, gas-liquid separator, control center, automatic control component, etc.

The unit can be applied as a substitute of the high- temperature steam boiler for- temperature steam treatment of medical waste, dust removal with high-temperature steam, soil sterilizations, waste heat recovery of industrial waste water, oil well wax removal in the petroleum industry, etc.

• SRMTEC open-type single-stage screw compressor of Snowman.
• SRM “i” type patented molded line with 5+7 best gear ratio combo, of high efficiency and steady operation.
• VI regulation function for efficient operation under various conditions.
• Rotor manufactured with quiality forged steel and is of high strenght and wear resistance.
• Precise and highly wear-resistance Rolling bearing with a design service life of 100, 000h.
• Innovative shaft seal structure with high seal and wear-ressistant performance, applicable to speed up to 10, 000 rpm.
• High-strenght ductile iron housing, with the operating pressure up to 2.8MPa.
• Optimized runner design, facilitating air circulation and reducing the energy consumption.

• Oil separator adopts the 4-stage oil separation system, that is, collision, gravity, packing and efficient molecular sieve, the oil separation efficiency is increased to 3-5ppm, effectively preventing lubrication oil from flowing back to the refrigeration system and improving system running efficiency.
• Efficient oil cooler, the cooling method can can either be hydro cooling or refrigerant cooling.
• Adopt small oil pump for pre-lubrication of the compressor, and use diferential pressure to supply oil in the stable operation, which is safe and reliable.
• Cool the compressor by multi-point oil spraying.
  Ensure the efficient and reliable operation of the unit.

The unit is equipped with the high-efficiency plate-and-shell evaporator and condenser, and has the advantages of the fin heat exchanger and Shell-and-tube heat exchanger. With the innovative metal plate design, the flow rate is distributed uniformly and no dead zone of flow rate exists, thus avoiding corrosion arising from dirt accumulation, incrasing the utilization rate of the heat exchange área, and realizing the highest heat exchange efficiency with the mínimum area.

• The unit is equipped with the open-type asynchronous motor/variable-frequency motor, with high efficiency and low noise. The permanent magnet synchronous motor is optional.
• The unis is equipped with the 380V low-voltage-motor.
  The 6kV, 10kV and other special motors are optional.

• User-friendly interface, startup with the press of a button, easy operation and intelligent control.
• Real-time monitoring of the unit, touch panel capable of displaying system pressure, power capacity control position, running time, operational mode, operating condition, etc., in real time and capable of storing historical information.
• The center is equipped with a preventive safety device system which allows unattended operation to be safe and reliable.
  Automatic energy regulation allows the unit to opérate effectively under different conditions.
• Automatic wáter temperatura control, providing the temperatura range required by the customer.
• Automatic management of oil temperatura limits the oil temperatura in a certain range, ensuring the efficient and stable operation of the unit.
• Automatic control of pressure ensuring the discharge pressure and suction pressure are controled with the settings range.
• Remote operation, local operation and other operation modes are available for the system to turn on and turn off the equipment.

To ensure cleanness of system, the unit is equipped with large capacity precise oil filter, suction filter to stop foreign matters which might occur in operation or installation and keep unit running efficiently and stably. The filter can be operated and maintained easily. It can also be dismantled for cleaning and replacement.

All the parts in the system are produces by well-known manufacturers and high realiability and quiality assurance.

The optimal structural design, highly integrated unit, convenient transportation and short engineering installation period.

The enviromental-friendly refrigerant is used, avoiding enviromental pollution.

Thw unit runs stably and has high reliability and long service life. It is equipped with multiple sensors.
Measurment and automatic control: the unit load is adjusted automatically between 10% and 100% according to load demands, ensuring the heating temperature accuracy and heating steam continuity.