BWT Rondomat Duo II

Soft water systems for building and industrial technology

RONDOMAT DUO 2 TYPE 

• Thermal insulation: Avoidance of condensation and undue heating of the drinking water
• Integrated touch display: Read system data and control operating parameters, checklists and assistants provide assistance with operation
• Hygienic safety thanks to the integrated germ protection device, as well as the special resin bed cleaning using IoClean CT cleaning tablets
• Safety against water damage: Integrated leakage protection through AQA Safe valve, AQA Watch function and optional AQA Guard floor sensor
• BWT Best Water Home APP: Easily read system parameters via the BWT APP
• Perfectly designed design: Ergonomic shape, compact dimensions, state-of-the-art controls

Product description

• Duplex soft water system
• completely thermally insulated
• volume controlled
• Hydraulic duplex central control valve made of cast metal
• Cast metal connection piece with water meter for fully softened water and integrated manual intersection

Furnishing:

• Complete system
• Hardness tester
• Regenerant container

Installation requirements:

• Nominal pressure 10 bar
• Operating pressure 2.5 - 8.0 bar
• Mains connection 230/50 - 50 V/Hz
• Protection class IP 44
• Water temperature max. 25°C
• Ambient temperature min. 5°C - max. 40°C

Technical data

	Type	Duo 2.2	Duo 3.2	Duo 5.2	Duo 6.2	Duo 10.2
Nominal connection width	DN	32	32	50	50	50
Connection type		1 1/4 male	1 1/4 male	2 female	2 female	2 female
Nominal capacities in accordance with DIN EN 14743	mol (m³x°dH)	2x8 (2x45)	2x17 (2x93)	2x32 (2x178)	2x45 (2x250)	2x74 (2x416)
Capacity / kg of regenerative salt in accordance with DIN EN 14743	mol	4.1	4.6	5.6	5.7	5.6
Nominal flow in accordance with DIN EN 14743	m³/h	3	3	7.5	6.8	10
Equipment requirement, water per °dH/m3	l	2	1.2	2	1.2	1.1
Equipment requirement, salt per °dH/m3	kg	0,045	0,038	0,035	0,032	0,032
Flushing water consumption per 100% regeneration at 4 bar, approx.	l	90	113	355	300	450
Flushing water flow rate, max.	l/h	350	350	1000	1000	1100
Regeneration time per 100% regeneration at 4 bar, approx.	min	32	39	46	50	58
Regenerative consumption per 100% regeneration, approx.	kg	2.0	3.7	6.0	8.0	13.5
Ion exchange material	l	2 x 18	2 x 32	2 x 75	2 x 100	2 x 150
Regenerative storage capacity	kg	100	100	200	200	375
Nominal pressure (PN)	bar	10	10	10	10	10
Operating pressure, min. – max.	bar	2.5 – 8	2.5 – 8	2.5 – 8	2.5 – 8	2.5 – 8
Floating signal contacts for CIC	DC V / A	24 / 0.5	24 / 0.5	24 / 0.5	24 / 0.5	24 / 0.5
Water temperature min. – max.	°C	5–25	5–25	5–25	5–25	5–25
Ambient temperature, min. – max.	°C	5–40	5–40	5–40	5–40	5–40
Humidity		Non-condensing	Non-condensing	Non-condensing	Non-condensing	Non-condensing
Power supply	V / Hz	100–240 V / 50–60 Hz	100–240 V / 50–60 Hz	100–240 V / 50–60 Hz	100–240 V / 50–60 Hz	100–240 V / 50–60 Hz
Unit operating voltage	DC V	24	24	24	24	24
Protection class	IP	IP44	IP44	IP44	IP44	IP44
Power during operation	W	4.9	4.9	4.9	4.9	4.9
Power during regeneration	W	40	40	75	75	120
Order number		11551	11552	11555	11553	11554

Dimensions

	Type	Duo 2.2	Duo 3.2	Duo 5.2	Duo 6.2	Duo 10.2
Dimensions with insulation (A x B x C)	mm	877 x 662 x 533	1398 x 662 x 533	1599 x 1212 x 610	1599 x 1212 x 610	1282 x 1272 x 610
Water inlet connection height (D)	mm	610	1131	1356	1356	1356
Water outlet connection height (E)	mm	677	1198	1464	1464	1137
Overflow connection height (F)	mm	400	400	400	400	550
Clearance to allow the device cover to be opened (G)	mm	300	300	300	300	300
Regenerative container height (H)	mm	810	810	860	860	1200
Diameter of regenerative container (I)	mm	470	470	650	650	750
Min. sewage system connection	DN	50	50	50	50	50
Operating weight without brine tank, approx.	kg	100	135	600	650	785
Operating weight, approx.	kg	200	280	800	850	1200

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