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Information About The Appliance; Product Description; Standard Delivery; Correct Use - Buderus Logalux PR 750 Installations- Und Wartungsanleitung

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Information about the appliance

2
Information about the
appliance
2.1

Product description

The buffer cylinder vessel is delivered fully assembled.
The thermal insulation and temperature sensors have to
be fitted.
There are two types of buffer cylinder
(
Fig. 4, page 64).
• Buffer cylinder
– Logalux PR 500/750/1000-80
– Logalux PR 500/750/1000-120
• Solar buffer cylinder
– Logalux PNR 500/750/1000-80 E(W)
– Logalux PNR 500/750/1000-120 E(W)
Both types of cylinder are available with 80 mm PU
flexible foam thermal insulation or 120 mm polyester
fleece thermal insulation.
The buffer cylinder is made from steel and equipped with
a temperature-sensitive return feed.
A back boiler or solid fuel boiler can be integrated via the
connections for the boiler and heating circuits.
The Logalux PNR solar buffer cylinder additionally has a
connection for a solar thermal system and an electrical
immersion heater (
Fig. 4, page 64).
2.2

Standard delivery

Buffer cylinder, general
• Cylinder
• Technical documentation
• Thermal insulation
• Cylinder cover
• Upper and lower thermal insulation discs
• Flexible clamps for temperature sensors.
Buffer cylinder with 80 mm thermal insulation
• Thermal insulation for immersion heater connection
(only PNR 500/750/1000-80 E(W))
• Connection covers
Buffer cylinder with 120 mm thermal insulation
• Thermal insulation for immersion heater connection
(only PNR 500/750/1000-120 E(W))
• Connection covers
2.3

Correct use

Due to their large volume, the Logalux PR buffer cylinders
and Logalux PNR solar buffer cylinders are designed for
central heating backup.
28
These buffer cylinders may only be filled with heating
water and used in sealed heating systems. The cylinders
are not suitable for use with potable water.
The buffer cylinders can be used for indirect DHW
heating via a freshwater station.
2.4
Tools, materials and auxiliary
equipment
A pallet truck, forklift truck or crane is required for
transportation.
2.5

Specification

2.5.1
Logalux PR buffer cylinder dimensions and
connections
Maximum permissible values Logalux PR500/750/1000
Maximum operating pressure
Maximum operating temperature, heating
water
Table 31 PR maximum permissible values
Dimensions and
surface load
Height when
mm
tilted
Total weight
kg
when filled
Weight load
kg
per foot
Table 32 Logalux PR specification
2.5.2
Logalux PNR solar buffer cylinder
dimensions and connections
Maximum permissible values Logalux PNR500/750/1000
Maximum operating pressure, solar indirect
1)
coil
Maximum operating pressure, heating water
Maximum operating temperature, solar
indirect coil
Maximum operating temperature, heating
water
Table 33 PNR maximum permissible values
1) Subject to the way the appliance is integrated into the solar
thermal system, individual protection may be required (safety
valve, expansion vessel).
bar
°C
PR 500
PR 750
PR 1000
1780
1740
1740
630
897
1176
210
299
392
bar
bar
°C
°C
Logalux – 6 720 648 089 (2011/10)
3
110
8
3
160
110

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