Description; Technical Data - eta FWM-E Operating Instructions Manual

Description

4 Description
4.1

Technical data

Connections and components
1 Bleed screw
2 Return temperature sensor for hot water circuit
3 3/4" flow connector from buffer
4 Admixing pump as calcification protection
5 Flow temperature sensor for hot water circuit
6 Buffer pump for hot water circuit
7 Flow sensor with temperature sensor for hot water
8 3/4" return connection to buffer
9 3/4" cold water connection
10 3/4" hot water connection
11 Optional circulation pump with safety valve
(10 bar)
12 Circuit board [EM-C2]
Dimensions
Technical data
Tap output
33 litres/minute with 45 °C hot water at a buffer
temperature of 60 °C.
Pressure loss (drinking water side)
15 litres/minute = 150 mbar (1,5 mws)
33 litres/minute = 580 mbar (5,8 mws)
Connections (drinking water side)
DN20 (3/4") internal thread; according to DIN
DVGW or ÖNORM B5014-4
Connections (hot water side)
DN20 (3/4") internal thread
Purging connections
DN15 (1/2")
Pumps
Two speed-regulated highly efficient pumps for
hot water preparation and calcification
protection (admixing pump)
Standards
Corresponds to DIN DVGW or ÖNORM B5014-
4
Technical data
7