Selection Aid For Connection Accessories Logamax Plus Gb162-50/65/80/100 - Buderus Logamax plus GB162 Technical Manual

8 Installation
8.3

Selection aid for connection accessories Logamax plus GB162-50/65/80/100

Connection accessories
Possible hydraulic connections
Accessories, pump connection assembly
Pump connection assembly GB162-50/65/80/100
Accessories, external differential pressure-dependent heating circuit pump (any installation location, max. 250 W)
Pump Wilo Stratos 25/1-8
Pump Grundfos Magna 25-100
Grundfos Magna 25-60
Grundfos UPM 25-70
Accessories, connection with a low loss header
Single unit with low loss header
Low loss header 120/80 up to 8000 l/h, alternative to the single unit
Insulation for low loss header 120/80
Accessories, heating and gas (any installation location)
HKA DN32 – Heating circuit connection set
GA-BS – Straight-through gas tap
Safety assembly 3 bar
MAG 50/80 - External MAG, white
Accessories, DHW - external cylinder primary pump
Pump Logafix BU 25/6
Accessories, DHW - 3-way valve
G-SU 1¼ ", DN32 – 3-way valve, K
Accessories for external DWH cylinders
AS E – Cylinder connection set
Accessories; optional
Safety valve 4 bar
Accessories for neutralisation
NE 0.1 – Neutralising system
NE 1.1 – Neutralising system with lifting pump
Table 34 Selection aid for connection accessories Logamax plus GB162-50/65/80/100
1) Available pump pressure for the heating circuit at 4000 l/h = 150–170 mbar
2) G-SU 1¼ ", pressure drop at 4000 l/h = 50 mbar, K
3) Select appropriate pump
4) Grundfos Magna 25-60, suitable only for GB162-50 and GB152-65
5) Grundfos UPM 25-70 suitable only for GB162-50
6) Only one header can be used
7) Only required when the Sinus 120/80 low loss header is used
8) Determine the required diaphragm expansion vessel to suit the specific system
Required
Optional
– Cannot be used
94
2)
50 l
8)
80 l
3
= 18 m /h
VS
= 18 m
VS
Product no.
without
cylinder
RC35
1)
7 114 040
7 747 213 536 –
7 747 204 602 –
7 747 204 601 –
7 746 901 079 –
6)
7 114 060
6)
8 452 214
7)
8 245 303 8
7 095 692 –
7 114 760 –
8 161 011 0 –
8 043 204 6
8 043 204 8
8 055 006 4 –
7 095 583 –
5 991 387 –
7 095 595
6 303 589 9
8 133 352
3
/h
Boiler with pump connection assembly and low loss
header
DHW heating via 3-way valve
External pump, no DHW heating
6 720 645 821 (2010/09) – Logamax plus GB162
GB162-50/65/80/100
any cylinder without DHW via 3-way
location cylinder
1) 2)
≤ 250 W
6 720 642 463-69.1il
Installation on finished walls
–
3)
–
3)
–
4)
–
5)
–
6)
–
6)
–
7)
–
–
–
–
–
– –
–
valve
–
3)
3)
4)
5)
–
–
–
–