Danfoss Termix One Solar Fact sheet

Fact sheet

Termix One Solar

Domestic hot water module for flats, single-family houses and apartment buildings with up to 10 apartments

Application

The Termix One Solar is an instantaneous water heater, featuring superb heat extraction and high performance. The Termix One Solar is applicable

for heating systems with buffer accumulators, solar systems or for other heat sources, where a very low return temperature is preferred. The water heater is available in three sizes, either for 1 apartment, for 1-4 apartments or for 5 up to 10 apartments. The large heat exchanger cools out the water in the primary return line very efficiently, thereby creating a very good operation economy. A flow switch in cold water mains is controlling the primary heating pump. An optional circulation pump together with a thermostat can maintain the circulating temperature at a desired temperature.

Domestic hot water (DHW)

The domestic hot water is prepared in the heat exchanger and the temperature is regulated with a thermostatic control valve. The patented sensor accelerator accelerates the closing of the thermostatic control valve and protects the heat exchanger against

overheating and lime scale formation. The sensor accelerator and the thermostatic control valve also works as a bypass keeping the heat exchanger and supply line warm. This shortens the waiting periods. The sensor accelerator helps to ensure a stable hot water temperature by varying loads, flow temperatures and differential pressure without the need for readjusting the valve. There is no additional pressure loss on the secondary side of the DHW heat exchanger with a thermostatic control. Therefore this type of regulation can be used by low pressure in the cold water mains.

Options

The water heater can be supplied with built in non-return valve and safety valve mounted in the cold water supply.

Construction

All pipes are made of stainless steel. The connections are made by nuts and gaskets. The Termix One Solar is delivered with an attractive steel grey cover in modern design, emphasising the high level of quality and comfort which characterises this product.

FEATURES AND BENEFITS

•Domestic hot water module

•DHW regulation with an accelerated thermostatic control

•Capacity: Up to 90 kW on DHW

•DHW in sufficient quantity

•Operates independent of differential pressure and flow temperature

•Minimum space required for installation

•Pipes and plate heat exchanger made of stainless steel

•Minimized risk of lime scale and bacteria formation

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CIRCUIT DIAGRAM - EXAMPLE

	BT	DHW
	supply
	BT	DCW
	return

	BT	DHW
	supply
		Cirk.
	BT	DCW
	return

Termix One Solar
O	Termix Sensor Accelerator	39	Connection closed
B	Plate heat exchanger DHW 45		Flow switch
1	Ball valve	48	Air vent, manual
2	Single check valve	63	Sieve
7	Thermostatic valve
13	Charging pump

35Ball valve / non-return valve

Termix One Solar

– with circulation

O	Termix Sensor Accelerator	24	Delivered
B	Plate heat exchanger DHW		loose with unit
1	Ball valve	35	Ball valve
2	Single check valve		/ non-return valve
4	Safety valve	39	Connection closed
7	Thermostatic valve	45	Flow switch
11	Circulation pump DHW	48	Air vent, manual
13	Charging pump	63	Sieve

Technical parameters:			Connections:
Nominal pressure:	PN 16		1	Domestic cold water (DCW)
DH supply temperature:	Tmax	= 120 °C	2	Domestic hot water (DHW)
DCW static pressure:	pmin	= 0,5 bar	3	Buffer tank (BT) supply
Brazing material (HEX):	Copper		4	Buffer tank (BT) return
			5	Circulation

Connections sizes:
All connections:	G ¾” (int. thread)
Options:

Circulation set for Termix One Solar

	Weight incl. cover:	20 kg
		(incl. packing)	Wall
	Cover:	Grey-lacquered steel
		sheet
	Dimensions (mm):
	Without cover:	H 770 × B 300 × T 160
	With cover:	H 770 × B 315 × T 165
	With circulation:
	Without cover:	H 960 × B 400 × T 190
	With cover:	H 960 × B 400 × T 190	Seen from above

DHW: CAPACITY EXAMPLES, 10°C / 50°C

		DHW	Supply	Return	Pressure	Flow		DHW	Supply	Return	Pressure	Flow
			flow	flow	loss	rate			flow	flow	loss	rate
	Substation type	Capacity					Substation type	Capacity
			Primary	Primary	Primary	Secondary			Primary	Primary	Primary	Secondary
		[kW]						[kW]
			[°C]	[°C]	[kPa]	[l/h]			[°C]	[°C]	[kPa]	[l/h]
	Type 1	29,3	60	23,0	20	630	Type 2	34,7	60	24,4	20	744
		38,2	60	25,2	45	822		47,1	60	26,8	45	1014
	w/AVTB 15						w/AVTB 20
		37,8	70	20,0	20	816		45,1	70	21,3	20	972
	1 household						up to 4 households
		52,3	70	22,4	45	1128		65,6	70	23,8	45	1410
	Type 3	60	60	23,0	35	1280		–	–	–	–	–
		66	60	24,0	45	1426		–	–	–	–	–
	w/AVTB 20						–
		80	70	20,3	35	1730		–	–	–	–	–
	5 to 10* households
		90	70	21,0	45	1940		–	–	–	–	–

* Capacity for 10 households at 70 °C DH flow temperature

© Danfoss | DCS-SGDPT/ PL | 2021 . 08

AM194586466360en-020601