Wilo COHe, Installation And Operating Instructions Manual

Page: 17 / 28

p. 17 4227862 ed.04
5 Product data
5.1 Type key
COHe - 2 MHI 2 04 - CE - T - 10
COHe = Boosting system with horizontal pumps
Operating mode of the boosting system :
2 = 2 pumps in cascade
3 = 3 pumps in cascade
Pump type :
MHI : Horizontal pump
Nominal flow per pump (m3/h)
Quantity of stages
Automatism :
CE : Electronic control
Power supply :
T : AC 3 phase 400V
Maximum working pressure :
10 : PN10 bars
5.2 Technical data

Maximum operating pressure : 10 bars

Maximum water temperature : +70°C

Maximum ambient temperature : +40°C

Three-phase voltage : 50 Hz 230/400V
5.3 Scope of delivery
-
Booster
-
Control box or cabinet (separate from the booster set according to the type and power)
-
Installation instructions: booster, pump and automatism.
5.4 Accessories (compulsory).
- Diaphragm pressure tank must be sized according to installation
- Dry running sensor:
-
On a collection tank > float switch.
-
On public water mains > pressure switch.