Buderus 21 Gebrauchsanweisung
For Buderus Panel Radiator models:
- Model 21
- Model 22
Applications Manual
Panel Radiators
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Panel Radiator
Applications Manual
Panel Radiator Applications Manual | 03.2019
Technical specifi cations are subject to change without prior notice
Applications manual
| 3
Panel Radiator
Applications Manual
Panel Radiator Applications Manual | 03.2019 Technical specifi cations are subject to change without prior notice
Table of Contents
1 General Info 4
2 Safety 5
3 Product Description 6
4 Mounting Guidelines 13
5 Radiator Output Ratings 15
6 Radiator Selection Procedure 17
7 Piping Arrangements 18
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Panel Radiator
Applications Manual
Panel Radiator Applications Manual | 03.2019
Technical specifi cations are subject to change without prior notice
1. General information
1.1. This manual
This application manual is intended for engineers,
architects, contractors, and installers. It provides
specifi cation on panel radiator and towel rack models,
sizing information, and system layout assistance for
hydronic heating systems with panel radiators.
This manual describes the basic operation of the
Buderus panel radiators, thermostatic controls and piping
accessories. It also provides rough in dimensions and
installation procedures.
Radiator heating capacities are listed by model, height
and length and are based on diff erent supply water
temperatures.
For added savings, it is recommended to run panel
radiator systems at reduced temperatures. When using a
condensing boiler, the system should be designed so that
the return water temperature makes the boiler condense
except on the coldest days of the year.
Dew point fl ue gases:
• Natural Gas: 130°F (55°C)
• #2 Fuel Oil: 118°F (48°C)
General guide lines are discussed with respect to sizing
and radiator selection. The design and radiator selection
process for one and two pipe heat distribution systems
are provided including examples. Quick and easy “rules
of thumb” for trouble free installation and operation are
presented.
1.2. Standards, regulations and directives
It is the responsibility of the installer to ensure that the
system corresponds to all federal, state and local
regulations and rules.
Applications manual
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Panel Radiator
Applications Manual
Panel Radiator Applications Manual | 03.2019 Technical specifi cations are subject to change without prior notice
2. Safety
2.1. Explanation of symbols
Warnings
Warnings in this document are identified by a
warning triangle printed against a grey
background.
Keywords at the start of a warning indicate
the type and seriousness of the ensuing risk if
measures to prevent the risk are not taken.
The following keywords are defined and can be used in this docu-
ment:
DANGER indicates a hazardous situation which, if not
avoided, will result in death or serious injury.
WARNING indicates a hazardous situation which, if not
avoided, could result in death or serious injury.
CAUTION indicates a hazardous situation which, if not
avoided, could result in minor to moderate injury.
NOTICE is used to address practices not related to personal
injury.
Important information
Important information in cases where there is no
risk of personal injury or material losses is identified
by the symbol shown on the left. It is bordered by
horizontal lines above and below the text.
2.2. Please follow these instructions
Only use original Buderus spare parts.
Damage caused by the use of spare parts other than
original Buderus spare parts is not covered by the product
warranty.
2.3. Tools, materials and accessories
For the installation of panel radiators, you will need
standard tools used for central heating, boiler and DHW
water systems.
2.4. Disposal
● Dispose of the packaging in an environmentally
responsible manner.
— Dispose of defunct components through an
authorized agent in an environmentally responsible
manner.
2.5. Disclaimer
Improper installation, setup, modifi cation,
operation or maintenance of the heating system can
cause personal injury and property damage. Follow
each appliances‘ instructions precisely. For assistance
or further information, contact a trained and certifi ed
installer, service provider, or the gas supply company.
Application drawings in this manual are conceptual
only and do not purport to address all design,
installation, code, or safety considerations. The
diagrams in this manual are for reference use by code
offi cials, designers and licensed installers. It is
expected that installers have adequate knowledge of
national and local codes, as well as accepted industry
practices, and are trained on equipment, procedures,
and applications involved. Drawings are not to scale.
Refer to the boiler, control and module installer
manuals for additional detailed
information!
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Panel Radiator
Applications Manual
Panel Radiator Applications Manual | 03.2019
Technical specifi cations are subject to change without prior notice
3. Product Description
A line of Buderus panel radiators off ers a real alternative
to conventional baseboard heating. For decades
Europeans have enjoyed the unsurpassed comfort and
versatility of radiant heat that is more fl exible, effi cient,
and a cleaner alternative to baseboard heating. Unlike
conventional baseboard heat that provides only
convection heat, the high performance hydronic steel
panel radiators provide the perfect combination of both
convective and radiant heat while off ering signifi cant
savings from lower water temperatures.
Radiant Heat vs. Convection Heat:
Forced hot air or baseboard systems with fi n tubes
produce heat that warms the air by convection, which
requires high water temperatures to eff ectively output
BTU. This results in large temperature diff erentials in the
room, can cause drafty conditions, and in many cases
results in hot air collecting at the ceiling and cooler air at
fl oor level.
Radiant heat, like the sun, warms objects rather than just
the air, creating a greater sense of warmth while requiring
lower room temperatures. The added radiant component
from panel radiators may permit return water
temperatures below 130°F (55°C) for natural gas and
118°F (48°C) for oil fi red appliances, allowing a
condensing boiler to condense and take advantage of its
added effi ciency.
Because Buderus radiators don’t turn “on and off ”
randomly in the way traditional baseboards do, they are
virtually silent — eliminating the noise associated with
other heating systems.
The fl exibility of Buderus panel radiators off ers builders,
designers, and homeowners a variety of sizes for any
heating and design requirement. These space-saving
panel radiators require between a third to a quarter of the
space of baseboard heating and are a perfect solution
where design fl exibility is important. The radiator’s unique
wall-mounted and optional fl oor-mounted styling also
minimizes areas where dust and dirt can collect and
allows for greater fl exibility in furniture placement.
Buderus Panel radiators are stocked in several heights
and lengths, and in two widths.
Buderus panel radiators come in a multi-layered, powder
coat enamel white fi nish that is durable, easy to clean
and ideal for most existing color schemes. Custom
painting to a desired color can be done in the fi eld and is
the responsibility of the installer.
Each panel radiator includes side panels, front and back
grill covers, and a fl owsetter valve. This feature enables
the system installer to quickly and easily regulate the
water fl ow through the radiator room by room. The result
is a consistent, even heat throughout all panel units in the
house — no more feeling warm in one room and chilly in
another.
Applications manual
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Panel Radiator
Applications Manual
Panel Radiator Applications Manual | 03.2019 Technical specifi cations are subject to change without prior notice
Buderus Panel Radiators
Buderus panel radiators are manufactured from 18
Gauge (0.049”/0.125mm) steel panels. They consist of
water fi lled welded steel panels with convector channels
mounted on the back. These layers are combined and
arranged into two basic models:
model # 21 (width 2.5"), model # 22 (width 4.0").
Standard equipment with each radiator include wall
mounting brackets, bottom piping connections, built in
manual air vents, a drain plug and a fl ow setter valve with
a protective cover over it.
All stocking models have the fl ow setter (control) valve
and piping on the same side, and can be mounted facing
left or right.
Available Models
Model 21 Table 1
Part
Number
Dimensions Weight Water
volume
H X L X W
(inches)
H X L X W
(mm) lbs kg gal liters
7-750-100-306 12 x 24 x 2.5 300 x 600 x 66 19.98 9.06 0.66 2.52
7-750-100-309 12 x 36 x 2.5 300 x 900 x 66 29.97 13.59 0.99 3.78
7-750-100-312 12 x 48 x 2.5 300 x 1200 x 66 39.96 18.12 1.33 5.04
7-750-100-315 12 x 59 x 2.5 300 x 1500 x 66 49.95 22.66 1.66 6.30
7-750-100-318 12 x 71 x 2.5 300 x 1800 x 66 59.93 27.18 1.99 7.56
7-750-102-306 20 x 24 x 2.5 500 x 600 x 66 31.49 14.28 0.97 3.68
7-750-102-309 20 x 36 x 2.5 500 x 900 x 66 47.24 21.43 1.45 5.52
7-750-102-312 20 x 48 x 2.5 500 x 1200 x 66 62.98 28.57 1.94 7.36
7-750-102-315 20 x 59 x 2.5 500 x 1500 x 66 78.73 35.71 2.42 9.20
7-750-102-318 20 x 71 x 2.5 500 x 1800 x 66 94.46 42.85 2.91 11.04
7-750-103-306 24 x 24 x 2.5 600 x 600 x 66 37.97 17.22 1.12 4.26
7-750-103-309 24 x 36 x 2.5 600 x 900 x 66 56.96 25.84 1.68 6.39
7-750-103-312 24 x 48 x 2.5 600 x 1200 x 66 75.95 34.45 2.25 8.52
7-750-103-315 24 x 59 x 2.5 600 x 1500 x 66 94.93 43.06 2.81 10.65
7-750-103-318 24 x 71 x 2.5 600 x 1800 x 66 113.91 51.67 3.37 12.78
Model 22 Table 2
Part
Number
Dimensions Weight Water
volume
H X L X W
(inches)
H X L X W
(mm) lbs kg gal liters
7-750-100-604 12 x 16 x 4 300 x 400 x 102 15.08 6.84 0.44 1.68
7-750-100-606 12 x 24 x 4 300 x 600 x 102 22.63 10.26 0.67 2.52
7-750-100-609 12 x 36 x 4 300 x 900 x 102 33.94 15.39 1.00 3.78
7-750-100-612 12 x 48 x 4 300 x 1200 x 102 45.25 20.53 1.33 5.04
7-750-100-615 12 x 59 x 4 300 x 1500 x 102 56.56 25.66 1.66 6.30
7-750-100-618 12 x 71 x 4 300 x 1800 x 102 67.87 30.79 2.00 7.56
7-750-102-604 20 x 16 x 4 500 x 400 x 102 25.23 11.44 0.65 2.45
7-750-102-606 20 x 24 x 4 500 x 600 x 102 37.84 17.16 0.97 3.68
7-750-102-609 20 x 36 x 4 500 x 900 x 102 56.76 25.75 1.46 5.52
7-750-102-612 20 x 48 x 4 500 x 1200 x 102 75.68 34.33 1.94 7.36
7-750-102-615 20 x 59 x 4 500 x 1500 x 102 100.91 45.77 2.59 9.81
7-750-102-618 20 x 71 x 4 500 x 1800 x 102 113.51 51.49 2.92 11.04
7-750-103-604 24 x 16 x 4 600 x 400 x 102 29.90 13.56 0.75 2.84
7-750-103-606 24 x 24 x 4 600 x 600 x 102 44.85 20.35 1.13 4.26
7-750-103-609 24 x 36 x 4 600 x 900 x 102 67.28 30.52 1.69 6.39
7-750-103-612 24 x 48 x 4 600 x 1200 x 102 89.71 40.69 2.25 8.52
7-750-103-615 24 x 59 x 4 600 x 1500 x 102 119.61 54.25 3.00 11.36
7-750-103-618 24 x 71 x 4 600 x 1800 x 102 134.55 61.03 3.38 12.78
7-750-105-604 36 x 16 x 4 900 x 400 x 102 45.07 20.45 1.07 4.04
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Panel Radiator
Applications Manual
Panel Radiator Applications Manual | 03.2019
Technical specifi cations are subject to change without prior notice
Chapter 5 has detailed radiator output ratings in table and
graphical form.
Radiator Accessories
A variety of accessories are available for installation and
control of the radiators for diff erent piping arrangements.
Mounting Brackets
Buderus panel radiators include wall mounting brackets.
Rough in instructions and mounting guidelines are
presented in chapter 5.
Piping Connections
Each stocking radiator has 20 mm (approx. 3/4) metric
male tappings on the bottom on one side. The radiator
can be mounted with these connections facing left or
right. Figure 9 shows supply and return connections
which cannot be reversed. .
Compression fi ttings are available in sets of two (see
Table 3). These fi ttings are normally secured to the piping
connection on the radiator. When diverter or shutoff
valves are used, the compression fi ttings mount on the
valve.
Compression fi ttings for panel radiators Table 3
Pipe size and style Part #
½" Copper 6198924
3/8” PEX (13 x 2 mm) 1016870
1/2” PEX (16 x 2 mm) 80007132
3/4" PEX (22 x 2 mm) 7738000789
5/8” PEX (20 x 2 mm) 1646851
Applications manual
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Panel Radiator
Applications Manual
Panel Radiator Applications Manual | 03.2019 Technical specifi cations are subject to change without prior notice
Additional accessories are available that help with the
installation of the panel radiator as well as the application
in which it is installed.
Part no. 83689060
Straight Diverter Valve
w/ isolation valves for
panel radiators
Part no. 80007512
Straight Crossover
Valve w/ isolation
valves for panel
radiators
Part no. 013G5002
Manual Adjuster
for panel padiators
Part no. 83689052
Angled Diverter
Valve w/ adjustable
bypass and isolation
valves for panel
radiators
Part no. 7738317847
Angled Valve w/
isolation valves for
panel radiators
Part no. 7738317846
Straight Valve
w/ isolation valves
for panel radiators
Part no. 7738006264
Danfoss
Thermostatic Head
for panel radiators
Part no. 82911060
Drain Valve w/
hose bib for panel
radiators
Fig. 1 Panel radiators valve/accessories (inches)
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Panel Radiator
Applications Manual
Panel Radiator Applications Manual | 03.2019
Technical specifi cations are subject to change without prior notice
Panel radiator accessories Table 4
Floor Brackets Part Number
Optional covers for brackets 81606400
Escutions HRDA50
Flow Setter Valve:
Each radiator is equipped with a fl ow setter valve
mounted on the same side as the water connections of
the panel radiator. This valve consists of two part integral
components for temperature control and fl ow balancing.
Flow Balancing:
Flow balancing is done by adjustment of the ring marked
1-7 and N on the fl ow setter valve, lining the desired
setting up with the dimple in the fi rst ring. Turning of the
ring adjusts the diameter available for water fl ow. The N
marking indicates a fully open setting; the 1 marking
indicates nearly full restriction. The diagram on page 13
shows the pressure drop across the radiator as a function
of the fl ow rate and setting of the fl ow setter.
Fig. 3 Flow setter valve adjustment
Air Vent and Drain Plug
Each radiator is equipped with a manual air vent (1/2")
and removable drain plug (1/2") for draining the radiator.
A fl at head screw driver is needed to open the air vent.
Andere Handbücher für 21
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1
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