7
Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
7.1
7.2
7.3
7.4
control unit . . . . . . . . . . . . . . . . . . . . . . . 60
7.5
7.6
ZBR..-3A appliances (heating boilers) with
DHW tank: Setting the DHW temperature 61
7.7
ZWB..-3A appliances (combi boilers):
7.8
7.9
7.10
8
ZBR..-3A appliances (heating boiler) with
9
9.1
9.2
boiler pump . . . . . . . . . . . . . . . . . . . . . . . 64
10.1
10.2
10.2.1
10.2.2
10.3
10.3.1
10.3.2
11.1
11.2
Installation location higher than 2,000 feet
11.3
11.4
12.1
12.2
Copyright (optional information)
16 Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
. . . . . . . . . . . . . 76
) . . . . 76
2
2
18 Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
14.1
14.1.1
14.1.2
14.1.3
14.1.4
14.1.5
14.1.6
. . . . . . . . . . . . . . . . . . . . . . . . . .84
14.1.7
14.1.8
14.1.9
14.2
16.1
16.2
16.3
16.4
16.4.1
16.4.2
16.4.3
supply temperature sensor, DHW tank
temperature sensor, DHW temperature
sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
16.5
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Contents | 3
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6 720 643 068 (2011/06)