46
10.4 Accessories
1 Sub-shell
2
KFE tap for flushing the system
3
Return flow shut-off device with
thermometer (blue)
4 Safety
valve
5 Pressure
gauge
6
Forward flow shut-off device with
thermometer (red)
7 Pump
8 Flow
counter
9
Insulation shell (cover)
10 Supply pipe: KFE tap for filling the
system
11 Expansion tank connection pipe
12 Run-off: KFE tap for emptying the
system
13 Holder / Expansion tank connection
EW-Z technical data
●
Upper connections
¾” IG
●
Lower connections
¾” IG
●
Pump
Wilo ST 15/6 eco 3
●
Nominal current for pump
max. 5 A
●
Connection
¾"
expansion tank
(with supplied T-piece)
●
Dimensions
420 x 250 x 246 mm
(H x W x D)
●
Operating temperature
max. 110 °C
●
Operating pressure
max. 1.5 to 2 bar
●
Safety valve
max. 3 bar
triggering pressure
●
Components made of
Steel, brass,
EPP insulation material
●
Sealing
PTFE (teflon) asbestos-free
material
EPDM fibre sealing
●
Expansion tank volume
12 l
●
Expansion tank pressure
1 bar
