636484

Junkers MKB 320-3 A Manual

2
Zoom out
Zoom in
Previous page
1/116
Next page
Contents
6 720 645 817 (2010/09)
2
Contents
1 System schemes . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1 System scheme 1: unmixed heating
circuit, low loss header . . . . . . . . . . . . . . 4
1.2 System scheme 2: unmixed underfloor
heating circuit, low loss header . . . . . . . 6
1.3 System scheme 3: mixed heating
circuit, DHW circuit, low loss header . . . 8
1.4 System scheme 4: one unmixed heating
circuit, one mixed heating circuit,
low loss header . . . . . . . . . . . . . . . . . . . 10
1.5 System scheme 5: two mixed
heating circuits, one DHW circuit,
low loss header . . . . . . . . . . . . . . . . . . . 12
1.6 System scheme 6: one unmixed heating
circuit, two mixed heating circuits,
low loss header . . . . . . . . . . . . . . . . . . . 14
1.7 System scheme 7: one unmixed heating
circuit, three mixed heating circuits,
low loss header . . . . . . . . . . . . . . . . . . . 16
1.8 System scheme 8: two mixed
heating circuits, two DHW circuits,
low loss header . . . . . . . . . . . . . . . . . . . 18
1.9 System scheme 9: one unmixed
heating circuit, one DHW circuit,
low loss header, cascade . . . . . . . . . . . 20
2 Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.1 Appliance parameters . . . . . . . . . . . . . . 22
2.1.1 Single appliance Suprapur KBR ... . . . . . 22
2.1.2 Factory-prepared cascade
Suprapur MKB ... . . . . . . . . . . . . . . . . . . 23
2.2 Dimensions and minimum clearances . . 24
2.2.1 Single appliance Suprapur KBR ... . . . . . 24
2.2.2 Factory-prepared 2-boiler
cascade MKB ... . . . . . . . . . . . . . . . . . . . 25
2.3 Installed dimensions . . . . . . . . . . . . . . . 27
2.3.1 Single appliance Suprapur KBR ... . . . . . 27
2.3.2 Factory-prepared cascade MKB ... . . . . . 28
2.4 Pressure drop, water side . . . . . . . . . . . 29
2.5 Boiler efficiency . . . . . . . . . . . . . . . . . . . 30
2.6 Standby loss . . . . . . . . . . . . . . . . . . . . . . 30
2.7 Flue gas temperature . . . . . . . . . . . . . . . 31
2.8 Conversion factor for alternative
system temperatures . . . . . . . . . . . . . . 31
3 Appliance layout . . . . . . . . . . . . . . . . . . . . . . . . 32
4 Product description . . . . . . . . . . . . . . . . . . . . . 33
4.1 Gas condensing boiler with
aluminium heat exchanger . . . . . . . . . . . 33
4.1.1 Types and output . . . . . . . . . . . . . . . . . . 33
4.1.2 Possible applications . . . . . . . . . . . . . . . 33
4.1.3 Benefits in brief . . . . . . . . . . . . . . . . . . . 33
4.1.4 Characteristics and special features . . . 34
4.2 Gas burner . . . . . . . . . . . . . . . . . . . . . . . 34
4.2.1 Burner and burner control unit . . . . . . . . 34
4.2.2 Burner function . . . . . . . . . . . . . . . . . . . . 35
4.3 Delivery method . . . . . . . . . . . . . . . . . . . 35
5 Engineering information and sizing
the heat source . . . . . . . . . . . . . . . . . . . . . . . . . 36
5.1 Operating conditions . . . . . . . . . . . . . . . 36
5.2 Water quality . . . . . . . . . . . . . . . . . . . . . 36
5.3 Important hydraulic system
components . . . . . . . . . . . . . . . . . . . . . . 39
5.3.1 Hydraulics for maximum utilisation
of the condensing effect . . . . . . . . . . . . 39
5.3.2 Underfloor heating system . . . . . . . . . . . 39
5.3.3 Diaphragm expansion vessel . . . . . . . . . 39
5.4 Condensate drainage . . . . . . . . . . . . . . . 41
5.4.1 Condensate drain from the
condensing boiler and the flue . . . . . . . 42
5.4.2 Condensate drain from a
moisture-resistant chimney . . . . . . . . . . 42
6 Regulations and operating conditions . . . . . . . 43
6.1 Extracts from regulations . . . . . . . . . . . . 43
6.2 Fuels . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
6.3 Operating conditions . . . . . . . . . . . . . . . 43
6.4 Combustion air . . . . . . . . . . . . . . . . . . . . 44
6.5 Combustion air supply . . . . . . . . . . . . . . 44
6.6 Siting combustion equipment . . . . . . . . 45
6.7 Sound insulation . . . . . . . . . . . . . . . . . . . 45
6.8 Antifreeze . . . . . . . . . . . . . . . . . . . . . . . . 45
2 …


Need help? Post your question in this forum.

Forumrules


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for Junkers MKB 320-3 A at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of Junkers MKB 320-3 A in the language / languages: English as an attachment in your email.

The manual is 15,83 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info