Test The Ignition Safety Shut Off Device; Boiler Settings; Set The Heating Capacity; Set The Space Heating Water Temperature - Buderus Logamax plus GB162-L.B. 80 kW Installation Instructions Manual

Condensing gas boiler
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9
Start-up procedure
▶ If the result is not as it should be ( § 9.9, page 38) or check the
ionization electrode ( § 12.3.4, page 45).
▶ Press and hold the "Chimney sweep"
(approx. 2 seconds), until the dot in the right-hand bottom corner of
the display ( fig. 69, [9]) appears ( table 12, page 31).
▶ Switch OFF the appliance by pressing the main switch of the BC10
basic controller ( fig. 69, [1]).
▶ Remove the multi meter and reconnect the monitoring cable.
▶ Switch ON the appliance by pressing the main switch of the BC10
basic controller ( fig. 69, [1]).
▶ Check that the boiler performance is still at the required value
( table 13, page 31).
9.12

Test the Ignition Safety shut off device

▶ Switch OFF the appliance by pressing the main switch of the BC10
basic controller ( fig. 69, [1]).
▶ Disconnect the plug and socket connection of the monitoring cable.
▶ Switch ON the appliance by pressing the main switch of the BC10
basic controller ( fig. 69, [1]).
d
▶ Press the "Chimney Sweep"
2 seconds), until the display shows the decimal point.
▶ Check if the boiler does 1 start-up attempt and 3 restart attempts.
After each start-up attempt the boiler will signal a start-up failure.
A "6A" code can be seen in the display.
After the last start-up attempt, the boiler will lock out. The "6A" code is
blinking in the display.
▶ Connect the plug and socket connection of the monitoring cable.
▶ Press the "Reset" button.
▶ Check if the boiler starts-up.
d
▶ Press the "Chimney Sweep"
conditions.
9.13

Boiler settings

9.13.1 Set the heating capacity

▶ Set the required heating capacity on the BC10 according to the
"Settings" menu. See table 18, when making these settings.
Rated heating capacity (±5%), based on natural gas
Display
GB162-L.B. 80 kW
indication
[%]
kW
btu/h
L30
L40
32.9
104,400
L50
41.5
130,500
L60
50.1
156,600
L70
58.7
182,700
L80
67.3
208,800
L90
75.9
234,900
L--
84.5
261,000
Table 18 Heating capacity (as a percentage) low BTU (4,001-
10,200 ft.)

9.13.2 Set the space heating water temperature

▶ Set the upper space heating water temperature limit for heating
mode with the "space heating water temperature" knob ( fig. 72,
[8]) ( table 19). This limitation does not apply to DHW
preparation.
40
d
button ( fig. 69, [3])
button and hold it (for approx.
button return to normal operating
(sea level)
GB162-L.B. 100 kW
kW
btu/h
29.9
97,900
39.9
130,500
49.8
163,200
59.8
195,800
69.7
228,400
79.6
261,000
89.6
293,700
99.5
326,300
Knob
position
Explanation
0
No supply to appliance (e.g. only DHW mode)
86-190
The temperature (in °F) set on the BC10 cannot be
changed with a room controller. The supply temperature
does not rise above this set temperature. (maximum
supply temperature set point 180 °F (82 °C)).
Aut
The temperature is determined automatically on the basis
of the heating curve. If no room controller is connected,
the maximum supply temperature is 180 °F (82 °C).
Table 19 Setting of the "space heating water temperature"
10
110
100
120
90
130
140
11
1
1
2
Fig. 72 BC10 basic controller

9.13.3 Set the pump run-over time

▶ Set the pump run-over time according to the "Settings" menu
( table 15, page 32).
If the heating system is room temperature controlled, and not controlled
parts of the heating system risk freeze damage (e.g. radiators in the
garage), set the pump run-over time to 24 hours.

9.13.4 Switch DHW mode ON/OFF

▶ Set the DHW mode according to the "Settings" menu ( table 15,
page 32).
When DHW-mode is switched OFF ([c/\/0|), the freeze protection for the
hot water cylinder (if present) is switched OFF.

9.13.5 Set the DHW temperature

▶ Set the DHW temperature knob ( fig. 72, [10]) to the required
temperature of the hot water in the hot water cylinder ( table 20).
Knob
position
Explanation
0
DHW mode is OFF (only heating mode)
ECO
Economy mode. The DHW will only be reheated to 140 °F
(60 °C), if the temperature has significantly fallen. This
reduces the number of burner starts and saves energy.
As a result the water may be a bit colder initially.
86-140
The temperature set on the BC10 is a temperature that
cannot be changed using a RC thermostat.
Aut
The temperature is set on the thermostat (e. g. RC35).
If no thermostat is connected, the maximum DHW
temperature is 140 °F (60 °C).
Table 20 Setting of the "DHW temperature"
Logamax plus GB162-L.B. 80 kW / 100 kW – 6720645916 (2014/10)
9
8
130
110
150
90
170
190
7
3
4
5
6
6720645916-47.1N

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