Tianchi Series

Large-scale commercial ultra-low temperature fixed-frequency heating equipment

Copeland ZW air jet reheating dedicated compressor

Ultra-low temperature air jet reheating, powerful, strong and wear-resistant

High-precision electronic expansion valve to improve energy efficiency

Precisely control the refrigerant flow, nano-high gold plating coating technology for efficient heat exchange

Ultra low temperature stable operation

Efficient heating

Efficient electronic expansion valve

Grain Wheel ZW Compressor

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Having 19 professional testing laboratories

5G cloud remote intelligent control

Commercial cooling and heating solutions

Tianxiang B Series

Large commercial ultra-low temperature fixed frequency heating equipment

The Tianxiang series adopts the top flagship second-generation 630 ultra-low temperature compressor from Yinghuate

dc inverter

Efficient and energy-saving

Accurate temperature control

Stable operation

Remote control

Intelligent defrosting

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5G cloud remote control installation is worry free and comfortable to use

Product Testing Laboratory

Advantages of heat pumps

Selected quality accessories

Tianxing Pro+Second Generation

Huatiancheng Air Energy
Ultra-low temperature full DC variable frequency heating machine
Using Panasonic/Hitachi internationally renowned brands
Special compressor for heat pump

Supercooling ice unloading structure

Full DC frequency conversion technology

Panasonic/Hitachi heat pump dedicated compressor

National Level 1 Energy Efficiency

PTC heat backup to resist cold current

Standard 5G cloud remote intelligent control

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4 original leading technologies

Integrated industry-leading configuration

Accessories

The initiator of 10-year free repair for the whole machine

Tianzun Series

Huatian Chengquan DC Variable Frequency Tianyuan Second Generation
High end underfloor heating unit

Super dual core power, can be used in both North and South Poles

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Selected quality accessories

Meet diverse needs

Ultra low temperature strong heating

Upgrade the feeling of health and comfort again

Household cooling and heating solution

Fully intelligent control, worry free and more secure

Tianyue Series

Huatian Chengquan DC Variable Frequency Tianyuan Second Generation
High end underfloor heating unit

Super dual core power, can be used in both North and South Poles
Specially designed for extreme cold heating

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Japanese style cooling and heating solution plan

Fully intelligent control, worry free and more reassuring

Leading technology escorts quality

Upgrade the feeling of health and comfort again

Ultra low temperature full DC variable frequency unit

Tianyuan Third Generation

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Innovative high-tech core

Fully intelligent control, worry free and more reassuring

Whole house underfloor heating ensures long-lasting beauty and constant temperature

High end underfloor heating system with precise matching and efficient heating solution

Fixed frequency heating and cooling heat pump
Model number				Tianchi Series
				WBC-170.0H-A-S(VE-L1)
Heating condition A 7°C/ 6°C W40-45°C	Heating Capacity		kW	160.00
	Energy efficiency ratio		COP	3.42
	Input power		kW	46.78
	Input Current		A	83.67
Heating condition A-12°C /-13.5°C W 36-41°C	Heating Capacity		kW	102.16
	Energy efficiency ratio		COPh	2.52
	Input power		kW	40.59
	Input Current		A	73.85
Refrigeration conditions A35°C/24°C W12-7°C	Refrigeration capacity		kW	131.00
	Energy efficiency ratio		COPc	2.72
	Input power		kW	48.16
	Input Current		A	86.14
Heating condition A -20°C/ ---°C W 36-41°C	Heating Capacity		kW	85.00
	Energy efficiency ratio		COPdh	2.10
	Input power		kW	40.47
	Input Current		A	72.38
Heating section load performance coefficient			IPLV（H）	3.05
Maximum Input Power			kW	70.06
Maximum input current			A	118.34
Power supply			V~Hz	380V 3N~ 50HZ
Ambient temperature			°C	-35°C~45°C
Circulating water volume (temperature difference of 5 degrees)			m³/h	27.5
Water side pressure loss			kPa	80
Rated hot water temperature/cold water temperature			°C	45/7
Maximum outlet temperature/minimum outlet temperature			°C	60/5
Air conditioning side water pipe interface			inch	DN80
Number of compressors			台	2
Number of fans			台	2
External machine noise			dB(A)	70
External machine size		L / W / H	mm	260012802550
Outer packaging size		L / W / H	mm	268513402700
Total mass of external unit			kg	1016

Fixed frequency heating and cooling heat pump
Model number				Tianxiang B Series
				WBC-80.0H-A-S(XE-LB)	WBC-160.0H-A-S(XE-LB)
Heating condition A 7°C/ 6°C W40-45°C	Heating Capacity		kW	76.00	152.00
	Energy efficiency ratio		COP	3.23	3.25
	Input power		kW	23.53	46.77
	Input Current		A	42.09	83.65
Heating condition A-12°C /-13.5°CW 36-41°C	Heating Capacity		kW	49.25	98.50
	Energy efficiency ratio		COPh	2.42	2.40
	Input power		kW	20.35	41.04
	Input Current		A	36.41	73.40
Refrigeration conditions A35°C/24°CW12-7°C	Refrigeration capacity		kW	60.00	120.00
	Energy efficiency ratio		COPc	2.70	2.70
	Input power		kW	22.22	44.44
	Input Current		A	39.75	79.49
Heating section load performance coefficient			IPLV（H）	2.73	2.73
Refrigeration partial load performance coefficient			IPLV（C）	3.01	3.01
Maximum Input Power			kW	35.29	70.15
Maximum input current			A	63.14	125.50
Power supply			V~Hz	380V 3N~ 50HZ
Ambient temperature			°C	-35°C~45°C
Circulating water volume (temperature difference of 5 degrees)			m³/h	13.1	26.1
Water side pressure loss			kPa	60	80
Rated hot water temperature/cold water temperature			°C	45/7
Maximum outlet temperature/minimum outlet temperature			°C	60/5
Air conditioning side water pipe interface			inch	DN50	DN65
Number of compressors			台	1	2
Number of fans			台	1	2
External machine noise			dB(A)	67	69
External machine size		L / W / H	mm	110011001870	265012652325
Outer packaging size		L / W / H	mm	112011201990	265513002455
Net weight of external unit			kg	585	991
Total mass of external unit			kg	665	1016

Wotech-Tianxing Pro+ second generation side-outlet full DC variable frequency ultra-low temperature air energy heat pump unit
model				WBC-11.5HP-B (BB-L2M)-Pro+	WBC-22.0HP-B (BB-L2M)-Pro+	WBC-22.0HP-B-S (BB-L2M)-Pro+	WBC-25.0HP-B (BB-L2M)-Pro+	WBC-25.0HP-B-S (BB-L2M)-Pro+	WBC-35.0HP-B-S (BB-L2M)-Pro+	WBC-45.0HP-B-S (BB-L2M)-Pro+
Heating conditions A 7°C/ 6°CW40-45°C	Heating capacity		kW	11.05(7.18~12.71)	21.23（13.80~24.41）	21.18（13.76~24.36）	24.75（16.09~28.46）	24.60（15.99~28.29）	33.80（21.97~38.87）	44.97(29.23~51.72)
	Energy efficiency ratio		COP	3.41(3.07~3.75)	3.21（2.89~3.53）	3.33（2.75~3.36）	3.35（3.01~3.68）	3.54（3.18~3.89）	3.68（3.31~4.05）	3.40（3.06~3.74）
	Input Power		kW	3.24	6.61	6.36	7.39	6.95	9.18	13.23
	Input Current		A	15.49	31.64	11.38	35.35	12.43	16.43	23.67
Heating conditions A-12°C /-13.5°CW36-41°C	Heating capacity		kW	6.98(4.54~8.03)	13.00（8.45~14.95）	13.19（8.57~15.17）	15.08（9.8~17.34）	15.12（9.6~17.1）	21.80（14.17~25.07）	28.71（18.66~33.02）
	Energy efficiency ratio		COPh	2.58(2.32~2.84)	2.44（2.19~2.68）	2.53（2.22~2.72）	2.56（2.30~2.82）	2.66（2.39~2.92）	2.69（2.42~2.96）	2.51（2.26~2.76）
	Input Power		kW	2.71	5.33	5.21	5.89	5.68	8.10	11.44
	Input Current		A	12.97	25.50	9.32	28.18	10.16	13.52	20.47
Refrigeration conditions A35°C/24°CW12-7°C	Cooling capacity		kW	5.43(3.53~6.24)	12.67（8.23~14.57）	12.12（7.88~13.94）	14.65（9.52~16.85）	14.80（9.62~17.02）	16.80（10.92~19.32）	21.73（14.12~25.0）
	Energy efficiency ratio		COPc	2.50(2.25~2.75)	2.59（2.33~2.85）	2.55（2.34~2.86）	2.51（2.26~2.76）	2.53（2.28~2.78）	2.62（2.36~2.88）	2.50（2.25~2.75）
	Input Power		kW	2.17	4.89	4.75	5.84	5.85	6.41	8.69
	Input Current		A	10.39	23.41	8.50	27.93	10.46	11.47	15.55
Heating conditions A-20°C/---W 36-41°C	Heating capacity		kW	5.62(3.65~6.46)	10.88（7.07~12.51）	10.77（7.0~12.38）	12.26（7.97~14.10）	12.30（7.80~14.15）	18.50（12.02~21.27）	24.06（15.64~27.67）
	Energy efficiency ratio		COPdh	2.21(1.99~2.43)	2.17（1.95~2.39）	2.19（1.97~2.41）	2.30（2.07~2.53）	2.30（2.07~2.53）	2.36（2.12~2.60）	2.13（1.92~2.34）
	Input Power		kW	2.54	5.01	4.92	5.33	5.35	7.84	11.30
	Input Current		A	12.17	23.99	8.80	25.50	9.57	14.02	20.21
Heating conditions A -35°C/--W36-41°C	Heating capacity		kW	4.21(2.74~4.84)	8.16（5.30~9.38）	8.08（5.25~9.29）	9.20（5.98~10.58）	9.23（6.0~10.61）	13.87（9.01~15.95）	18.05（11.73~20.76）
	Energy efficiency ratio		COP	1.82(1.64~2.0)	1.83（1.65~2.0）	1.83（1.65~2.0）	1.84(1.66~2.02)	1.85（1.67~2.04）	1.85（1.67~2.04）	1.85（1.67~2.04）
	Input Power		kW	2.31	4.46	4.42	5.00	4.99	7.50	9.76
	Input Current		A	11.07	21.34	7.90	23.92	8.93	13.41	17.46
Energy consumption efficiency during heating season			HSPF	3.20	3.20	3.25	3.40	3.43	3.46	3.36
Annual energy consumption efficiency			APF	3.21	3.21	3.26	3.41	3.44	3.47	3.37
Heating Part Load COP			IPLV（H）	3.22	3.22	3.27	3.42	3.45	3.48	3.38
Refrigeration Part Load COP			IPLV（C）	3.56	3.56	3.58	3.58	3.58	3.56	3.56
PTC Power			kW	3.00	3.00	3.00	3.00	3.00	6.00	6.00
Maximum input power			kW	7.60	10.50	10.50	10.80	10.80	19.00	23.00
Maximum input current			A	36.36	50.24	18.78	51.67	19.32	33.99	41.14
power supply			V~HZ	220V ~ 50HZ	220V ~ 50HZ	380V 3N~ 50HZ	220V ~ 50HZ	380V 3N~ 50HZ	380V 3N~ 50HZ	380V 3N~ 50HZ
Ambient temperature			°C	-35°C~45°C
Circulating water volume (temperature difference 5 degrees)			m³/h	1.98	3.78	3.78	4.30	4.30	6.02	7.74
Water side pressure loss			kPa	40	40	40	40	40	60	60
Rated hot water outlet temperature/cold water outlet temperature			°C	41/7
Maximum water outlet temperature/Minimum water outlet temperature			°C	60/5
Water pipe interface			inch	G1"(DN25)	G1.25"(DN32)	G1.25"(DN32)	G1.25"(DN32)	G1.25"(DN32)	G1.5"(DN40)	G1.5"(DN40)
Number of pumps			台	0	0	0	0	0	0	0
Number of compressors			台	1	1	1	1	1	1	1
Number of fans			台	1	2	2	2	2	2	2
noise			dB(A)	40~50	43~53	43~53	44~54	44~54	46~56	48~58
Host size		L / W / H	mm	11254101050	11254101390	11254101390	11254101390	11254101390	12354301600	12354301600
Packing size		L / W / H	mm	12054571195	12054571535	12054571535	12054571535	12054571535	13034771735	13034771735
Net weight			kg	90	159	161	168	170	222	234

Wotech-Tianyuan side air outlet full DC variable frequency ultra-low temperature high-end underfloor heating machine
Model number				WBC-11.8HP-B(BB-L8M)	WBC-15.8HP-B(BB-L8M)	WBC-15.8HP-B-S(BB-L8M)	WBC-19.8HP-B(BB-L8M)	WBC-19.8HP-B-S(BB-L8M)	WBC-23.8HP-B(BB-L8M)	WBC-23.8HP-B-S(BB-L8M)	WBC-33.8HP-B-S(BB-L8M)	WBC-43.8HP-B-S(BB-L8M)
Heating condition A7°C/6°CW 40-45°C	Heating Capacity		kW	11.25(7.31~12.94)	15.68（10.20~18.03）	15.78（10.25~18.15）	19.56（12.71~22.49）	19.69（12.77~22.64）	23.47（15.26~27.00）	23.65（16.0~28.34）	33.36（21.68~38.36）	43.50（28.28~50.0）
	Energy efficiency ratio		COP	3.21(2.89~3.53)	3.13（2.82~3.44）	3.15（2.84~3.47）	3.26（2.93~3.59）	3.27（2.94~3.60）	3.25（2.93~3.58）	3.31（2.98~3.64）	3.25（2.93~3.58）	3.30（2.97~3.63）
	Input power		kW	3.50	5.01	4.98	6.00	6.02	7.22	7.15	10.23	13.20
	Input Current		A	16.77	23.97	8.91	28.71	10.77	34.55	12.78	18.31	23.61
Heating condition A-12°C /13.5°C W 30-35°C	Heating Capacity		kW	7.01(4.56~8.06)	9.70（6.31~11.16）	9.84（6.43~11.39）	12.56（8.16~14.44）	12.68（8.24~14.58）	15.17（9.86~17.45）	15.18（9.87~17.46）	22.08（14.35~25.39）	28.65（18.62~32.95）
	Energy efficiency ratio		COPh	2.58(2.32~3.61)	2.62（2.36~2.88）	2.66（2.14~2.62）	2.69（2.42~2.96）	2.87（2.58~3.16）	2.71（2.44~2.98）	2.72（2.45~2.99）	2.72（2.45~2.99）	2.82（2.54~3.10）
	Input power		kW	2.72	3.70	3.70	4.67	4.42	5.60	5.58	8.12	10.16
	Input Current		A	13.00	17.71	6.62	22.34	7.91	26.78	9.98	14.52	18.17
Heating condition A-20°C/-- W30-35°C	Heating Capacity		kW	5.52(3.59~6.35)	8.01（5.21~9.21）	8.22（5.34~9.45）	10.30（6.70~11.85）	10.44（6.78~12.01）	12.31（8.0~14.16）	12.41（8.36~14.79）	18.23（11.85~20.96）	24.38（15.85~28.04）
	Energy efficiency ratio		COPdh	2.35(2.12~2.59)	2.36（2.12~2.60）	2.31（2.08~2.54）	2.42（2.18~2.66）	2.47（2.22~2.72）	2.35（2.12~2.59）	2.34（2.01~2.46）	2.35（2.12~2.59）	2.46（2.21~2.71）
	Input power		kW	2.35	3.39	3.56	4.26	4.23	5.24	5.30	7.76	9.91
	Input Current		A	11.24	16.22	6.37	20.36	7.57	25.06	9.49	13.88	17.73
Heating condition A -35°C/---W 3035°C	Heating Capacity		kW	4.11(2.67~4.73)	5.92（3.85~6.81）	6.17（4.01~7.10）	7.82（5.08~8.99）	7.83（5.09~9.0）	9.25（6.01~10.64）	9.31（6.05~10.71）	13.70（8.91~15.76）	18.23（11.85~20.96）
	Energy efficiency ratio		COP	1.92(1.73~2.11)	1.92(1.73~2.11)	1.93（1.74~2.12）	1.93（1.74~2.12）	1.93（1.74~2.12）	1.94(1.75~2.13)	1.95（1.76~2.15）	1.93（1.74~2.12）	1.95（1.76~2.15）
	Input power		kW	2.14	3.08	3.20	4.05	4.06	4.77	4.77	7.10	9.35
	Input Current		A	10.24	14.75	5.72	19.39	7.26	22.81	8.54	12.70	16.72
Energy consumption efficiency during heating season			HSPF	3.20	3.20	3.20	3.20	3.22	3.21	3.25	3.20	3.39
Annual performance factor			APF	3.21	3.21	3.21	3.22	3.23	3.23	3.26	3.23	3.40
Heating section load performance coefficient			IPLV（H）	3.62	3.72	3.96	3.55	3.56	3.87	3.92	3.66	3.71
PTC power			kW	3.00	3.00	3.00	3.00	3.00	3.00	3.00	6.00	6.00
Maximum Input Power			kW	7.50	8.50	8.50	9.50	9.50	10.50	10.50	18.00	22.00
Maximum input current			A	35.71	40.67	15.21	45.45	16.99	50.24	18.78	32.20	39.36
Power supply			V~HZ	220V ~ 50HZ	220V ~ 50HZ	380V 3N~ 50HZ	220V ~ 50HZ	380V 3N~ 50HZ	220V ~ 50HZ	380V 3N~ 50HZ	380V 3N~ 50HZ	380V 3N~ 50HZ
Ambient temperature			°C	-45°C~45°C
Circulating water volume (temperature difference of 5 degrees)			m³/h	1.98	2.75	2.75	3.44	3.44	4.13	4.13	5.85	7.74
Water side pressure loss			kPa	40	40	40	40	40	40	40	60	80
Rated hot water temperature			°C	35
Maximum outlet temperature			°C	60
Water pipe interface			inch	G1"(DN25)	G1"(DN25)	G1"(DN25)	G1.25"(DN32)	G1.25"(DN32)	G1.25"(DN32)	G1.25"(DN32)	G1.5"(DN40)	G1.5"(DN40)
Number of water pumps			tower	0	0	0	0	0	0	0	0	0
Number of compressors			tower	1	1	1	1	1	1	1	1	1
Number of fans			tower	1	1	1	1	1	2	2	2	2
Noise			dB(A)	42~52	42~52	42~52	43~53	43~53	44~54	44~54	45~55	46~56
Host size		L / W / H	mm	1080410800	1145425900	1145425900	11254101050	11254101050	11254101390	11254101390	12354301600	12354301600
Package size		L / W / H	mm	1120450935	12254751035	12254751035	12054601190	12054601190	12054571530	11704301530	13054801735	13054801735
Net weight			kg	87	97	98	119	117	144	142	183	211

Wotech-Tianyuan side air outlet full DC variable frequency ultra-low temperature high-end underfloor heating machine
Model number				WBC-11.8HP-B(BB-L8M)	WBC-15.8HP-B(BB-L8M)	WBC-15.8HP-B-S(BB-L8M)	WBC-19.8HP-B(BB-L8M)	WBC-19.8HP-B-S(BB-L8M)	WBC-23.8HP-B(BB-L8M)	WBC-23.8HP-B-S(BB-L8M)	WBC-33.8HP-B-S(BB-L8M)	WBC-43.8HP-B-S(BB-L8M)
Heating condition A7°C/6°CW 40-45°C	Heating Capacity		kW	11.25(7.31~12.94)	15.68（10.20~18.03）	15.78（10.25~18.15）	19.56（12.71~22.49）	19.69（12.77~22.64）	23.47（15.26~27.00）	23.65（16.0~28.34）	33.36（21.68~38.36）	43.50（28.28~50.0）
	Energy efficiency ratio		COP	3.21(2.89~3.53)	3.13（2.82~3.44）	3.15（2.84~3.47）	3.26（2.93~3.59）	3.27（2.94~3.60）	3.25（2.93~3.58）	3.31（2.98~3.64）	3.25（2.93~3.58）	3.30（2.97~3.63）
	Input power		kW	3.50	5.01	4.98	6.00	6.02	7.22	7.15	10.23	13.20
	Input Current		A	16.77	23.97	8.91	28.71	10.77	34.55	12.78	18.31	23.61
Heating condition A-12°C /13.5°C W 30-35°C	Heating Capacity		kW	7.01(4.56~8.06)	9.70（6.31~11.16）	9.84（6.43~11.39）	12.56（8.16~14.44）	12.68（8.24~14.58）	15.17（9.86~17.45）	15.18（9.87~17.46）	22.08（14.35~25.39）	28.65（18.62~32.95）
	Energy efficiency ratio		COPh	2.58(2.32~3.61)	2.62（2.36~2.88）	2.66（2.14~2.62）	2.69（2.42~2.96）	2.87（2.58~3.16）	2.71（2.44~2.98）	2.72（2.45~2.99）	2.72（2.45~2.99）	2.82（2.54~3.10）
	Input power		kW	2.72	3.70	3.70	4.67	4.42	5.60	5.58	8.12	10.16
	Input Current		A	13.00	17.71	6.62	22.34	7.91	26.78	9.98	14.52	18.17
Heating condition A-20°C/-- W30-35°C	Heating Capacity		kW	5.52(3.59~6.35)	8.01（5.21~9.21）	8.22（5.34~9.45）	10.30（6.70~11.85）	10.44（6.78~12.01）	12.31（8.0~14.16）	12.41（8.36~14.79）	18.23（11.85~20.96）	24.38（15.85~28.04）
	Energy efficiency ratio		COPdh	2.35(2.12~2.59)	2.36（2.12~2.60）	2.31（2.08~2.54）	2.42（2.18~2.66）	2.47（2.22~2.72）	2.35（2.12~2.59）	2.34（2.01~2.46）	2.35（2.12~2.59）	2.46（2.21~2.71）
	Input power		kW	2.35	3.39	3.56	4.26	4.23	5.24	5.30	7.76	9.91
	Input Current		A	11.24	16.22	6.37	20.36	7.57	25.06	9.49	13.88	17.73
Heating condition A -35°C/---W 3035°C	Heating Capacity		kW	4.11(2.67~4.73)	5.92（3.85~6.81）	6.17（4.01~7.10）	7.82（5.08~8.99）	7.83（5.09~9.0）	9.25（6.01~10.64）	9.31（6.05~10.71）	13.70（8.91~15.76）	18.23（11.85~20.96）
	Energy efficiency ratio		COP	1.92(1.73~2.11)	1.92(1.73~2.11)	1.93（1.74~2.12）	1.93（1.74~2.12）	1.93（1.74~2.12）	1.94(1.75~2.13)	1.95（1.76~2.15）	1.93（1.74~2.12）	1.95（1.76~2.15）
	Input power		kW	2.14	3.08	3.20	4.05	4.06	4.77	4.77	7.10	9.35
	Input Current		A	10.24	14.75	5.72	19.39	7.26	22.81	8.54	12.70	16.72
Energy consumption efficiency during heating season			HSPF	3.20	3.20	3.20	3.20	3.22	3.21	3.25	3.20	3.39
Annual performance factor			APF	3.21	3.21	3.21	3.22	3.23	3.23	3.26	3.23	3.40
Heating section load performance coefficient			IPLV（H）	3.62	3.72	3.96	3.55	3.56	3.87	3.92	3.66	3.71
PTC power			kW	3.00	3.00	3.00	3.00	3.00	3.00	3.00	6.00	6.00
Maximum Input Power			kW	7.50	8.50	8.50	9.50	9.50	10.50	10.50	18.00	22.00
Maximum input current			A	35.71	40.67	15.21	45.45	16.99	50.24	18.78	32.20	39.36
Power supply			V~HZ	220V ~ 50HZ	220V ~ 50HZ	380V 3N~ 50HZ	220V ~ 50HZ	380V 3N~ 50HZ	220V ~ 50HZ	380V 3N~ 50HZ	380V 3N~ 50HZ	380V 3N~ 50HZ
Ambient temperature			°C	-45°C~45°C
Circulating water volume (temperature difference of 5 degrees)			m³/h	1.98	2.75	2.75	3.44	3.44	4.13	4.13	5.85	7.74
Water side pressure loss			kPa	40	40	40	40	40	40	40	60	80
Rated hot water temperature			°C	35
Maximum outlet temperature			°C	60
Water pipe interface			inch	G1"(DN25)	G1"(DN25)	G1"(DN25)	G1.25"(DN32)	G1.25"(DN32)	G1.25"(DN32)	G1.25"(DN32)	G1.5"(DN40)	G1.5"(DN40)
Number of water pumps			tower	0	0	0	0	0	0	0	0	0
Number of compressors			tower	1	1	1	1	1	1	1	1	1
Number of fans			tower	1	1	1	1	1	2	2	2	2
Noise			dB(A)	42~52	42~52	42~52	43~53	43~53	44~54	44~54	45~55	46~56
Host size		L / W / H	mm	1080410800	1145425900	1145425900	11254101050	11254101050	11254101390	11254101390	12354301600	12354301600
Package size		L / W / H	mm	1120450935	12254751035	12254751035	12054601190	12054601190	12054571530	11704301530	13054801735	13054801735
Net weight			kg	87	97	98	119	117	144	142	183	211

Wotech-Tianyuan side air outlet full DC variable frequency ultra-low temperature high-end underfloor heating machine
Model number				WBC-11.8HP-B(BB-L8M)	WBC-15.8HP-B(BB-L8M)	WBC-15.8HP-B-S(BB-L8M)	WBC-19.8HP-B(BB-L8M)	WBC-19.8HP-B-S(BB-L8M)	WBC-23.8HP-B(BB-L8M)	WBC-23.8HP-B-S(BB-L8M)	WBC-33.8HP-B-S(BB-L8M)	WBC-43.8HP-B-S(BB-L8M)
Heating condition A7°C/6°CW 40-45°C	Heating Capacity		kW	11.25(7.31~12.94)	15.68（10.20~18.03）	15.78（10.25~18.15）	19.56（12.71~22.49）	19.69（12.77~22.64）	23.47（15.26~27.00）	23.65（16.0~28.34）	33.36（21.68~38.36）	43.50（28.28~50.0）
	Energy efficiency ratio		COP	3.21(2.89~3.53)	3.13（2.82~3.44）	3.15（2.84~3.47）	3.26（2.93~3.59）	3.27（2.94~3.60）	3.25（2.93~3.58）	3.31（2.98~3.64）	3.25（2.93~3.58）	3.30（2.97~3.63）
	Input power		kW	3.50	5.01	4.98	6.00	6.02	7.22	7.15	10.23	13.20
	Input Current		A	16.77	23.97	8.91	28.71	10.77	34.55	12.78	18.31	23.61
Heating condition A-12°C /13.5°C W 30-35°C	Heating Capacity		kW	7.01(4.56~8.06)	9.70（6.31~11.16）	9.84（6.43~11.39）	12.56（8.16~14.44）	12.68（8.24~14.58）	15.17（9.86~17.45）	15.18（9.87~17.46）	22.08（14.35~25.39）	28.65（18.62~32.95）
	Energy efficiency ratio		COPh	2.58(2.32~3.61)	2.62（2.36~2.88）	2.66（2.14~2.62）	2.69（2.42~2.96）	2.87（2.58~3.16）	2.71（2.44~2.98）	2.72（2.45~2.99）	2.72（2.45~2.99）	2.82（2.54~3.10）
	Input power		kW	2.72	3.70	3.70	4.67	4.42	5.60	5.58	8.12	10.16
	Input Current		A	13.00	17.71	6.62	22.34	7.91	26.78	9.98	14.52	18.17
Heating condition A-20°C/-- W30-35°C	Heating Capacity		kW	5.52(3.59~6.35)	8.01（5.21~9.21）	8.22（5.34~9.45）	10.30（6.70~11.85）	10.44（6.78~12.01）	12.31（8.0~14.16）	12.41（8.36~14.79）	18.23（11.85~20.96）	24.38（15.85~28.04）
	Energy efficiency ratio		COPdh	2.35(2.12~2.59)	2.36（2.12~2.60）	2.31（2.08~2.54）	2.42（2.18~2.66）	2.47（2.22~2.72）	2.35（2.12~2.59）	2.34（2.01~2.46）	2.35（2.12~2.59）	2.46（2.21~2.71）
	Input power		kW	2.35	3.39	3.56	4.26	4.23	5.24	5.30	7.76	9.91
	Input Current		A	11.24	16.22	6.37	20.36	7.57	25.06	9.49	13.88	17.73
Heating condition A -35°C/---W 3035°C	Heating Capacity		kW	4.11(2.67~4.73)	5.92（3.85~6.81）	6.17（4.01~7.10）	7.82（5.08~8.99）	7.83（5.09~9.0）	9.25（6.01~10.64）	9.31（6.05~10.71）	13.70（8.91~15.76）	18.23（11.85~20.96）
	Energy efficiency ratio		COP	1.92(1.73~2.11)	1.92(1.73~2.11)	1.93（1.74~2.12）	1.93（1.74~2.12）	1.93（1.74~2.12）	1.94(1.75~2.13)	1.95（1.76~2.15）	1.93（1.74~2.12）	1.95（1.76~2.15）
	Input power		kW	2.14	3.08	3.20	4.05	4.06	4.77	4.77	7.10	9.35
	Input Current		A	10.24	14.75	5.72	19.39	7.26	22.81	8.54	12.70	16.72
Energy consumption efficiency during heating season			HSPF	3.20	3.20	3.20	3.20	3.22	3.21	3.25	3.20	3.39
Annual performance factor			APF	3.21	3.21	3.21	3.22	3.23	3.23	3.26	3.23	3.40
Heating section load performance coefficient			IPLV（H）	3.62	3.72	3.96	3.55	3.56	3.87	3.92	3.66	3.71
PTC power			kW	3.00	3.00	3.00	3.00	3.00	3.00	3.00	6.00	6.00
Maximum Input Power			kW	7.50	8.50	8.50	9.50	9.50	10.50	10.50	18.00	22.00
Maximum input current			A	35.71	40.67	15.21	45.45	16.99	50.24	18.78	32.20	39.36
Power supply			V~HZ	220V ~ 50HZ	220V ~ 50HZ	380V 3N~ 50HZ	220V ~ 50HZ	380V 3N~ 50HZ	220V ~ 50HZ	380V 3N~ 50HZ	380V 3N~ 50HZ	380V 3N~ 50HZ
Ambient temperature			°C	-45°C~45°C
Circulating water volume (temperature difference of 5 degrees)			m³/h	1.98	2.75	2.75	3.44	3.44	4.13	4.13	5.85	7.74
Water side pressure loss			kPa	40	40	40	40	40	40	40	60	80
Rated hot water temperature			°C	35
Maximum outlet temperature			°C	60
Water pipe interface			inch	G1"(DN25)	G1"(DN25)	G1"(DN25)	G1.25"(DN32)	G1.25"(DN32)	G1.25"(DN32)	G1.25"(DN32)	G1.5"(DN40)	G1.5"(DN40)
Number of water pumps			tower	0	0	0	0	0	0	0	0	0
Number of compressors			tower	1	1	1	1	1	1	1	1	1
Number of fans			tower	1	1	1	1	1	2	2	2	2
Noise			dB(A)	42~52	42~52	42~52	43~53	43~53	44~54	44~54	45~55	46~56
Host size		L / W / H	mm	1080410800	1145425900	1145425900	11254101050	11254101050	11254101390	11254101390	12354301600	12354301600
Package size		L / W / H	mm	1120450935	12254751035	12254751035	12054601190	12054601190	12054571530	11704301530	13054801735	13054801735
Net weight			kg	87	97	98	119	117	144	142	183	211