Technical Data - Wilo -CronoLine IL 250 series Einbau- Und Betriebsanleitung

1 General
Installation and service by qualified personnel only
1.1 Fields of applications
Series IL ( Inline) glanded pumps are used for circulating duties in mechanical
building services to serve:
– Central hot water heating systems,
– Chilled and cooling water systems,
– Industrial circulating systems.
1.2 Product data
1.2.1 Serial codes
IL = Inline-pump
Pump connection size [mm]
Nominal impeller diameter [mm]
Rated motor power [kW]
4-pole motor

1.2.2 Technical data

Motor speed: IL
Nominal width DN:
Permissible temperature min./max. - 20°C bis + 140°C
Maximum permissible ambient
temperature
Maximum permissible working
pressure
Insulation class
Enclosure rating
Pipe- and gauge connections
Permissable fluids
Electrical connection
Thermal resistor sensor
Variable speed control
Special motor designs
(on request)
Standard design;
Installation and operating instructions
Wilo-CronoLine IL 250...
50 Hz model: 1450 1/min
60 Hz model: 1740 1/min
(see rating plate – Fig. 5, pos. 2)
IL 250
40°C
16 bar
F
IP 55
Flanges PN 16 acc. to DIN EN 1092-2
with gauge tappings
Heating water acc. to VDI 2035
Service water
Chilled-/Cold water
Water/Glycol-mixture up to 40 % glycol content
Glycol up to maximum 40 °C
other media according to demand
3 ~ 400 V, 50 Hz
3 ~ 380 V, 60 Hz
other voltages / frequencies on request
Automatic control gear (Wilo-CR-System)
Pole change multi-speed motors
Special voltage/-frequency
Explosion-proof (EEx e, EEx de)
Special design or additional equpiment at extra cost
22
IL 250 / 420 – 110 / 4
/ " BSP
1
8
WILO AG 08/2006
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