4
A.B.
C.
Type EHPE: ECOTHERM High capacity water heater for heating water operation. Microprocessor controlled external plate heat exchanger, 50 - 500 kW
Type EHPE Microprocessor control
with operating condition
and achievement control.Design
● Pressure resistant storage vessel and external plate heat ex -changer made of high class and noncorroding stainless steel. The plants are in accordance to the DVGW-guidance in order to re -duc
e the risk of a laminella-infection at large systems. Manufac -ture through a technical control board certified welding specialized company HP-0 and ISO 3834-2, with SVGW, ÖVGW and DVGW authorization so as certified according to ISO 9001-2008.
● Optimal hygiene because of short stockage time of the hot water, less stand-by-loss and little space requirement of the compact plant through high achievement of the heat exchanger at a small tank capacity.
● Tank insulation made of fibre fleece with robust PP-outer coating RAL7037, patented aluminium closure strip and selffixing muffle caps for fast and easy mounting, insulation strengh up to 1000 litres 80 mm and above 100 mm. 100 % resyclable, fire protection class B2 (B1 on request).
● Constant hot water temperature during the loading process be -cause of flow control of the primary circuit through primary sided engine control valve and with it highest comfort in the hot wa-ter supply. Heating water pump and hot water pump so as engi -ne control valve ex factory completely mounted and wired.
● Safed plant operation without danger on creeping loss of po -wer due to microporocessor controlled tank control by surveil -lance of the differential pressure of the plate heat exchanger. The i
nternal respectively optianl the external cold water flushing after finishing the loading operation, minimises effectively the polluti -on through the rapidly cooling down of the heat exchanger.
● Microprocessor control with touch panel for clear and easy hand -ling. Possible remote monitoring and remote control of the plant throught ethernet interface. Recording and control of the achie -vement data of the plant and the particular components.
● Easy insertion and short mouting time because of pre-mounted units.
● Max. operating / test pressure: secondary 6 / 9 bar; primary 10 / 15 bar
Delivery
Heat exchanger unit, process water tank and tank insulation. DAP (delivered free) Germany+Austria+Suisse, without insertion and without mounting.
Packing A. Industrial water tank mounted on a throw-away pallet. Tank insulation at tank sizes up to 1000
litres pre-mounted.
B. At tank sizes over 1000 litres the tankinsulati -on is packed separately.
C. Heat exchanger unit.
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Functional schematic Type EHPE Delivery content 1 Stainless steel industrial water tank
2 Stainless steel plate heat exchanger
3 Shut-off valve
4 Engine-3-way-control valve
5 Safety valve 10bar
6 Automatic exhaust fan
7 Non-return valve
8 Differential pressure sensor
T1 Temperature sensor loading ON
Beginning of the loading operation, start of the heating water circuit (primary)
T2 Temperature sensor loading OFF
Finishing of the loading operation, activation standstill function and stand-by controlls.
T3 Temperature sensor heat exchanger BW-entry (loading temperature- and flushing sensor)
Temperature control of the industrial water at the heat exchanger exit, control of the energy which is supplied to the heat exchanger from the heating water circuit via the engine-3-way-control valve T4 Temperature sensor heating water flow
Control of the heating water circuit (primary) on operation temperature, afterwards approval of the industrial water circuit (secondary).
T5 Outershell sensor heating water return flow (optional) even applicable as recirculation limiter at district heating operation
P p Primary pump (Heating water pump) P s Secondary pump (Industrial water pump)
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