Description And Function - Wilo stratos para/-Z Betriebsanleitung

English
NOTE: If glycol is added, the delivery data of the pump must be corrected according to the
higher viscosity, depending on the mixing ratio percentage (max. mixing ratio for water/
glycol mixture 1:1).
Changing, refilling and replenishing fluids
When changing, refilling or replenishing the fluid with additives, the entire pump is to be
dismantled.
CAUTION! Risk of material damage!
When changing, refilling or replenishing the fluid with additives, there is a risk of
material damage caused by chemical reactions (e.g. the bearings can seize). The pump
is to be flushed separately for a sufficient amount of time to ensure the old fluid has
been completely removed from the interior of the pump.
5.3 Scope of delivery
Pump assembly
• Mains and optional control cable connected to the pump at the factory
• Installation and operating instructions
5.4 Accessories
Accessories must be ordered separately:
• Two-piece thermal insulation shell
• Material:
• Thermal conductivity:
• Flammability:
• "Cooling-Shell" cold water insulation for pump
See catalogue for a detailed description.

6 Description and function

6.1 Description of the pump
The high-efficiency Wilo-Stratos PARA/-Z pumps are glandless pumps with integrated
differential pressure control and ECM technology (Electronic Commutated Motor).
Depending on the equipment variant "T..." (see following table), the pump can either be
supplied with the "Red button" operating element (Fig. 1a), or without an operating ele-
ment in the case of external control (Fig. 1b).
Equipment variants:
Type no. Combination of equipment / functions
T1 "Red button" operating element
∆p-c, differential pressure constant
∆p-v, differential pressure variable
Control input "Analogue In 0 ... 10 V" with cable break detection
Collective fault signal SSM
T2 "Red button" operating element
∆p-c, differential pressure constant
∆p-v, differential pressure variable
Control input "Analogue In 0 ... 10 V" without cable break detection
Collective fault signal SSM
T3 "Red button" operating element
∆p-c, differential pressure constant
∆p-v, differential pressure variable
If the red button is set in the vertical "Ext. In" position, the pump runs at the minimum speed
30
EPP, polypropylene foam
0.04 W/m as per DIN 52612
B2 class as per DIN 4102, FMVSS 302
WILO SE 02/2015