KTS water heater (M/L) PRO, copper-soldered, figure 915 20/30

Product Features

as a central domestic hot water heater according to the continuous flow principle
copper soldered stainless steel plate heat exchanger
includes thermal disinfection option according to DVGW W 551
integrated pump for primary side (heating)
pulse train controlled pump
materials suitable for drinking and heating water
lime scale protection due to patented tilted position of plate heat exchanger
to control hot water heating and reloading of buffer tank
integrated MASTER/SLAVE method for cascade rotation
for hygienic supply of hot water and hot water circulation according to latest standards
wetted parts on the drinking water side made of gunmetal, stainless steel and drinking water approved plastics
wetted parts on the heating side made of gunmetal, stainless steel, cast grey iron and brass
plate heat exchanger made of stainless steel grade 1.4401/1.4404
includes option to compensate for offset in walls
insulating shell made of EPP with separated hot and cold areas to avoid heat loads on the cold water and protect the controller and pump electronics from high temperatures
with patented chimney effect to make efficient use of the pump life
Adaptive controller for high control quality
includes two temperature sensors with 7 metres pipe length for mounting on the buffer tank
Up to 8 devices possible
standard BMS compatibility via RS485 interface (Modbus-RTU)
with patented measuring track to detect volume flow from 1.6 l/min
includes two vortex flow sensors with integrated 2-wire Pt1000
includes 10 bar pressure relief valve installed at factory
sample valve can be retrofitted
includes four DN 32 quarter turn stop valves with insulation shells
flush point can be integrated to avoid stagnation in the cold-water pipe in the case of interruptions in operation
Connection to power supply with type F safety plug
includes 32 GB data logger to fulfil operator’s obligations
includes commissioning wizard
includes optimisation function with suggestion for reducing the flow temperature to save energy
includes sensor for detecting the return temperature
control range for 60°C drinking water from 2 K overtemperature
additional sensors can be connected for detecting the cold water and circulation entry temperature
adjustable hot water temperature for pipework contents < 3 l up to 30°C optional
with the option of BACNet connection
Access to digital services as part of the KEMPER PRO functionalities

Standards & approvals

according to accepted materials list from German environmental agency
building material class B2 according to DIN 4102
CE marking
VDE declaration of conformity
RoHS approval

Technical data

adjustable temperature range for PWH 30°C to 70°C
adjustable temperature range for thermal disinfection 70°C to 90°C
max. operating temperature primary side 95 °C
max. operating temperature secondary side 80 °C
max. working pressure 1 MPa
given abstraction rates at PWH = 60°C with PWC = 10°C and water temperature in buffer tank = 80°C
Water content per fresh water station (drinking water side) Appliance M = 2.48 litres, appliance L = 3.53 litres
Water content per fresh water station (heating side) Device M = 2.23 litres, Device L = 3.28 litres

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Part no.	cascade	min. abstraction rate (l/min)	max. abstraction rate (l/min)	capacity (KW)	A1	H1 (mm)	H2 (mm)	L1 (mm)	L2 (mm)	L3 (mm)	L4 (mm)	L5 (mm)	T1 (mm)	T2 (mm)	electr. capacity consumption (W)	kv-value primary circle	flow coefficient value secondary circle	kg
9152010100	single unit M	1.6	75	262	G 1 1/2	749	687	550	320	71	215	94	388	83	145	7.1	7	56.00
9152000200	2-stage cascade M	1.6	150	524	G 1 1/2	749	687	550	320	71	215	94	388	83	290	14.2	14	112.00
9152000300	3-stage cascade M	1.6	225	786	G 1 1/2	749	687	550	320	71	215	94	388	83	435	21.3	21	168.00
9152000400	4-stage cascade M	1.6	300	1048	G 1 1/2	749	687	550	320	71	215	94	388	83	580	28.4	28	224.00
9152000500	5-stage cascade M	1.6	375	1310	G 1 1/2	749	687	550	320	71	215	94	388	83	725	35.5	35	300.00
9153010100	single unit L	1.6	120	418	G 1 1/2	749	687	550	320	71	215	94	388	83	194	10.2	9.4	62.00
9153000200	2-stage cascade	1.6	240	836	G 1 1/2	749	687	550	320	71	215	94	388	83	388	20.4	18.8	124.00
9153000300	3-stage cascade	1.6	360	1254	G 1 1/2	749	687	550	320	71	215	94	388	83	582	30.6	28.2	186.00
9153000400	4-stage cascade	1.6	480	1672	G 1 1/2	749	687	550	320	71	215	94	388	83	776	40.8	37.6	248.00
9153000500	5-stage cascade	1.6	600	2090	G 1 1/2	749	687	550	320	71	215	94	388	83	970	51	47	330.00

CAD models

Part no.	CAD model
9152010100	Show 3D data
9152000200	Show 3D data
9152000300	Show 3D data
9152000400	Show 3D data
9152000500	Show 3D data
9153010100	Show 3D data
9153000200	Show 3D data
9153000300	Show 3D data
9153000400	Show 3D data
9153000500	Show 3D data