Buderus GB162-65, GB162-80, GB162-100 Installation Instructions Manual
Installation instructions
Pump group
Logamax plus
GB162-65/80/100
7217 5100 (03/2010) GB
For heating engineers
Please read thoroughly
before starting installation
pump group Logamax plus GB162-65/80/100 - Subject to modifications resulting from technical improvements!
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1 Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 About these instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.3 Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 Items supplied with pump group . . . . . . . . . . . . . . . . . . . . . . 5
4 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
5.1 Making the gas connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
5.2 Removing the non-return valve (if necessary) . . . . . . . . . . . . . . . . . . . . . 8
5.3 Installing the heating flow and return . . . . . . . . . . . . . . . . . . . . . . . . . .10
5.4 Rotating the pressure relief valve . . . . . . . . . . . . . . . . . . . . . . . . . . .12
5.5 Installing the syphon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
5.6 Connecting the condensate drain pipe . . . . . . . . . . . . . . . . . . . . . . . . .14
5.7 Connecting the expansion vessel (accessory) . . . . . . . . . . . . . . . . . . . . .14
5.8 Making the electrical connections to the pump . . . . . . . . . . . . . . . . . . . . .15
5.9 Installing the insulation cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
6 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7 Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Regulations 1
pump group Logamax plus GB162-65/80/100 - Subject to modifications resulting from technical improvements!
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1 Regulations
1.1 About these instructions
These installation instructions contain important
information about the safe and proper installation of the
Logamax plus GB162-65/80/100 pump group.
These installation instructions are for competent heating
engineers (e.g. Gas Safe registered) who, due to their
professional training and experience, are experts at
dealing with heating systems and gas installations.
1.2 Intended use
The pump group must only be installed on the Logamax
plus GB162-65/80/100 heating boiler.
1.3 Regulations
Please ensure that you comply to all regulations at the
time of installation.
NOTE
The country-specific standards and
guidelines and the technical documents
pertaining to the boiler must be observed
for the installation and operation of the
heating system!
Safety2
pump group Logamax plus GB162-65/80/100 - Subject to modifications resulting from technical improvements!
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2 Safety
Please observe these instructions for your own safety.
You can find a detailed explanation of the format of
these instructions in the Installation and Servicing
Instructions of the Logamax plus GB162-65/80/100.
Observe the following instructions when installing and
operating the pump group:
DANGER OF FATAL ACCIDENT
by unprofessional repair.
Do not repair parts with safety functions.
DANGER OF FATAL ACCIDENT
due to electric shock.
Before opening the boiler: Switch off the
power supply to the boiler by pulling the
mains plug from the socket.
DANGER OF FATAL ACCIDENT
from explosive fumes.
If you smell gas, there is a danger of
explosion.
No naked lights. No smoking.
Do not use lighters!
DO NOT operate any device that is likely
to produce sparks.
Do not operate any electrical switches,
including telephones, plugs or doorbells.
Shut off the main gas supply!
Open doors and windows.
Warn the residents but do not sound the
doorbells!
Contact the gas supplier from a tele-
phone located outside the building!
If you can hear gas leaking, evacuate the
building immediately, prevent other
people from entering, and notify the
police and fire service immediately (from
a telephone OUTSIDE the building).
Items supplied with pump group 3
pump group Logamax plus GB162-65/80/100 - Subject to modifications resulting from technical improvements!
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3 Items supplied with pump group
Check that the packaging is intact upon delivery.
Check that all items have been supplied with the unit.
fig. 1 Items supplied with Logamax plus GB162-65/80/100
pump group
Item 1: Isolating valve, red (CH boiler flow) with drain cock,
pressure gauge, thermometer (for pump
UPER 25-80) and 4-bar safety valve
Item 2: Isolating valve, blue (CH boiler return) with pump,
drain cock and non-return valve (removable)
Item 3: Connecting bracket
Item 4: Gas valve, yellow (GAS)
Item 5: Flat rubber seal 1½’’ (2×)
Item 6: Insulation cover
Item 7: Technical documents
1
6
4
7
5
2
3
NOTE
Please contact your supplier if anything
is damaged or missing.
Dimensions4
pump group Logamax plus GB162-65/80/100 - Subject to modifications resulting from technical improvements!
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4 Dimensions
AIC
FGC
AIC
FGC
CDO
CDO
Gas P
Gas P
Gas B
Gas B
CHF/CHR
CHRCHF
PF/PR
PF PR
CS
fig. 2 Dimensions and connections (dimensions in mm)
1
DO NOT remove the cap CS (not used in UK)
2
The pump group is accessory and can be ordered separately.
This figure shows a pump group, that isn’t ment for DHW supply, but ONLY for central heating hot water supply. There is also a pump group with
3-way valve (accessory) available, which is ment for DHW supply.
CS = Cap (DO NOT remove)
FGC/AIC = Flue gas/air intake connection Ø 100/150
CDO = Condensate drain outlet Ø 24 mm O/D
GAS P = Gas connection to pump group; Rp1’’ female thread
GAS B = Gas connection to boiler; Rp1’’ female thread
CHF = Boiler flow; G1½’’ union nut with female thread
CHR = Boiler return; G1½’’ union nut with female thread
PF = Pump group flow; G1½’’ male thread, flat seal
PR = Pump group return; G1½’’ male thread, flat seal
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