General; General Information; Layout Of This Document - Buderus Logamax plus GB162-80 kW Service Instructions Manual

1

General

section 4

General information

About these instructions
These servicing instructions contain important information for
the safe and professional servicing of the boiler with boiler input
rating of 80 kW and 100 kW.
The name of the boiler is made up of the following components:
– Logamax plus: heating boiler typical
– GB162: single boiler without domestic hot water supply
– 80 kW/100 kW: maximum heating capacity is 80 or 100 kW.
GB162 Natural Gas
80 kW 290,000 btu/hr
100 kW 333,000 btu/hr
Table 1 max. input rate
These servicing instructions are intended for professional
installers, who have the necessary training and experience for
working on heating and gas systems.
Cascade installation
Special cascade units (accessories) have been developed to
enable this boiler to be installed in a cascade system. Every
cascade unit includes an installation frame, horizontal headers,
connection pipes for the boiler, main gas pipe and a vertical low
loss header.
Cascade units are available for installing the boilers inline or
back-to-back. These cascade units make installing a cascade
system easier and less labor intensive.
Please contact Buderus for further information about cascade
systems.
Updating of documentation
The following technical documentation is available for the
Logamax plus GB162-80 kW/100 kW:
– Installation Instructions
– User's Manual
– Service Instructions.
Please contact us if you have any suggestions for improvement
or corrections.
Subject to technical modifications
Slight changes may be made without prior notice to the illustra-
tions, process steps and technical data as a result of our policy
of continuous improvement.
Logamax plus GB162-80 kW/100 kW - Subject to modifications resulting from technical improvements!
section 5
This document consists of various sections. They have been
divided into subsections.
Every subsection is marked with a grey frame. An ID number is
always provided in the top left-hand corner. References in the
document are based on these ID numbers.
In addition, a subsection may be divided into various numbered
operating steps. Reference to a certain operating step is
always made within the same subsection. If an operating step
involves the taking of a yes/no decision, the right-hand side of
the table indicates which operating step or subsection you
should proceed with (cross-reference).
Propane Gas
270,000 btu/hr
315,000 btu/hr

Layout of this document

Section
Subsection with ID number
4 Operation
section 22 Normal Operation menu
Step 1 Display reading: Currently measured heating system flow temperature in °C.
See also section 30 "Display readings", page 22.
Step 2 Continue in Normal Operation menu?
Step 3 Press the " " button.
Step 4 Display reading: Currently measured heating system water pressure in bar.
See also section 30 "Display readings", page 22.
Step 5 Press the " " button.
Step 6 Random operating code. In this case: Operating code: The boiler is in heating mode.
See also section 32 "Display codes and other symptoms", page 22, and further.
Step 7 Have at least 5 seconds passed without a button being pressed and/or has the mains voltage been interrupted ?
Step 8 Press the " " button.
section 23 Flue Gas Test menu
Step 1 Display reading: Currently measured heating system flow temperature in °C.
See also section 30 "Display readings", page 22.
Step 2 Activate flue gas test?
Step 3 To activate the flue gas test:
Press and hold the " " button for more than 2 but not longer than 5 seconds.
Step 4 Display reading: Current heating system flow temperature in °C.
As soon as a non - flashing dot is shown in the bottom right-hand corner of the display, the flue gas test has been
activated. This means that the boiler is in heating mode at a capacity of 100 % for a maximum period of 30 minutes.
The maximum heating system flow temperature set on the BC10 basic controller now applies. DHW mode is not
possible during the flue gas test.
Step 5 Press the " " button.
Step 6 Display reading: Currently measured heating system water pressure in bar.
See also section 30 "Display readings", page 22.
Step 7 Press the " " button.
Step 8 Operating code: A flue gas test is being carried out or the boiler is in service mode.
Flue gas test: The boiler is in heating mode at a capacity of 100 % for a maximum of 30 minutes.
The maximum heating system flow temperature set on the BC10 basic controller now applies.
Service mode: The boiler is in heating mode at a reduced capacity for a period of 30 minutes.
The maximum heating system flow temperature set on the BC10 basic controller now applies.
DHW mode is not possible during the flue gas test or during service mode.
See also section 32 "Display codes and other symptoms", page 22, and further.
Step 9 Press the " " button.
Step 10 Display reading: Currently measured heating system flow temperature in °C.
See also section 30 "Display readings", page 22.
Step 11 Have 30 minutes passed or has the mains voltage been interrupted?
Step 12 Deactivate flue gas test?
Step 13 To deactivate the flue gas test:
Press and hold the " " button for more than 2 seconds until the dot disappears.
14 Logamax plus GB162-80 kW/100 kW - Subject to modifications resulting from technical improvements!
Operating step with number
General 1
Yes: Step 3
No: Step 1
Yes: Step 1
No: Step 8
Step 1
Yes: Step 3
No: Step 1
Yes: Step 1
No: Step 12
Yes: Step 13
No: Step 5
Step 1
Cross-reference to
subsection or
operating step
5