Wilo Rexa UNI Series User Manual

en-US Installation and electrical connection
14 WILO SE 2017-03
d
A
2
A
1
Fig.3: Minimum distances
d Diameter of the hydraulics housing
A
1
Minimum distance from the wall:
- alternating operation: min. 0.3×d
- parallel operation: min. 1×d
A
2
Distance discharge pipes
- alternating operation: min. 1.5×d
- parallel operation: min. 2×d
6.4.2 Instruction for combination flange DN50/65
The Rexa UNIV06... is fitted with a combination flange
DN50/65. The nuts on the combination flange are fac-
tory-set to the flange DN65. To use on a flange DN50,
adjust the nuts on the flange. The flange can be reset
at any time to DN65!
Fig.4: Adjust combination flange
‡ No accessories mounted on flange.
‡ Nut is freely available.
1. Press nut inwards onto the small hole circle using a
screw driver.
▶ Flange connection converted to DN50.
6.4.3 Maintenance work
After a storage period of more than 6months check the
oil in the sealing chamber before installation:
1
Fig.5: Check oil
1 Sealing chamber screw plug
‡ Pump is not built-in.
‡ Pump is not connected to the power supply.
‡ Protective equipment has been put on!
1. Position the pump horizontally on a firm surface. The
screw plug is facing upwards. WARNING!Danger of
crushing hands. Make sure that the pump cannot fall
over or slip!
2. Unscrew screw plug.
3. Place a suitable tank to collect the operating fluid.
4. Drain operating fluid: Rotate the pump until the hole
points downwards.
5. Check operating fluid:
⇒ When the operating fluid is clear, re-use the oper-
ating fluid.
⇒ If the operating fluid is contaminated (black), pour
in new operating fluid. Dispose of operating fluids
according to the local regulations!
⇒ If there are metal chips in the operating fluid, in-
form customer service!
6. Pour in operating fluid: Rotate the pump until the hole
points upwards. Pour operating fluid into the hole.
⇒ Adhere to the information for operating fluid type
and quantity! When re-using operating fluid, the
quantity must also be checked and adjusted, if
necessary!
7. Clean the screw plug, replace the seal ring, and screw it
back in. Max. tightening torque: 8Nm!

Wilo Rexa UNI Series Specifications

General

Brand	Wilo
Model	Rexa UNI Series
Category	Water Pump
Language	English