KTS Water Heater, single station and cascade, stainless steel

figure 925

  • as a central domestic hot water heater according to the continuous flow principle
  • welded stainless steel plate heat exchanger

Product Features

  • as a central domestic hot water heater according to the continuous flow principle
  • welded stainless steel plate heat exchanger
  • 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
  • plate heat exchanger made of stainless steel grade 1.4401/1.4404
  • 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
  • wetted parts on the heating side made of gunmetal, stainless steel, cast grey iron and brass
  • 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

Standards and 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
figure 925
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
9252010100 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
9252000200 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
9252000300 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
9252000400 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
9252000500 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
9253010100 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
9253000200 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
9253000300 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
9253000400 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
9253000500 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
9252010100 Show 3D data
9252000200 Show 3D data
9252000300 Show 3D data
9252000400 Show 3D data
9252000500 Show 3D data
9253010100 Show 3D data
9253000200 Show 3D data
9253000300 Show 3D data
9253000400 Show 3D data
9253000500 Show 3D data

Downloads

Data sheet
File type
Product datasheet
pdf
Brochures
File type
Building technology valves and systems
pdf (20.6 MB)
Brochure KTS central hot water heating
pdf (4.8 MB)
Instructions
File type
installation and operating instructions for KTS Water Heater
pdf (13.6 MB)
Technical information
File type
E-plan macros
zip (44 KB)