Climit 24 OF Manuel Pour L'installation Et L'entretien page 32

Dear Customer,
Thank you for purchasing a Climit OF boiler, a new-generation
low-temperature modulating device possessing technical and
performance characteristics capable of satisfying your space
heating and instant domestic hot water requirements with the
utmost safety and with limited running costs.
RANGE
MODEL
24 OF
COMPLIANCE
Our company declares that OF boilers comply with the following
directives:
– Gas Appliances EU Regulation 2016/426
– Boiler Efficiency Directive 92/42/EEC
– Low Voltage Directive 2014/35/EU
– Electromagnetic Compatibility Directive 2014/30/EU
SYMBOLS
a
WARNING
To indicate actions which, if not carried out correctly,
can result in injury of a general nature or may damage
or cause the appliance to malfunction; these actions
therefore require particular caution and adequate
preparation.
f
ELECTRICAL HAZARD
To indicate actions which, if not carried out correctly,
could lead to injury of an electrical nature; these
actions therefore require particular caution and
adequate preparation.
d
IT IS FORBIDDEN
To indicate actions which MUST NOT BE carried out.
m
CAUTION
To indicate particularly important and useful
information.
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TABLE OF CONTENTS
1
CODE
8112184
2
3
4
DESCRIPTION OF THE APPLIANCE
1.1 Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
1.2 Check and safety devices . . . . . . . . . . . . . . . . . . . . . . . . 33
1.3 Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
1.4 Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
1.5 Technical features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
1.6 Main water circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
1.7 Sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
1.8 Expansion vessel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
1.9 Circulation pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
1.10 Control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
1.11 Wiring diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
INSTALLATION
2.1 Receiving the product . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
2.2 Dimensions and weight. . . . . . . . . . . . . . . . . . . . . . . . . . 39
2.3 Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
2.4 Installation room . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
2.5 New installation or installation of a replacement
appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
2.6 Cleaning the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
2.7 Water system treatment . . . . . . . . . . . . . . . . . . . . . . . . . 40
2.8 Boiler installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
2.9 Plumbing connections. . . . . . . . . . . . . . . . . . . . . . . . . . . 41
2.9.1 Plumbing accessories (optional) . . . . . . . . . 41
2.10 Gas supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
2.11 Smoke outlet and combustion air inlet . . . . . . . . . . . . . 41
2.12 Electrical connections. . . . . . . . . . . . . . . . . . . . . . . . . . . 42
2.12.1 External temperature sensor. . . . . . . . . . . . 43
2.12.2 Chrono-thermostat or Air Thermostat . . . . 43
2.12.3 EXAMPLE of use of the command/control device
on some types of heating systems . . . . . . . . . . . . 43
2.13 Refilling or emptying. . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
2.13.1 REFILL operations . . . . . . . . . . . . . . . . . . . . 44
2.13.2 EMPTYING operations . . . . . . . . . . . . . . . . . 45
COMMISSIONING
3.1 Preliminary operations . . . . . . . . . . . . . . . . . . . . . . . . . . 46
3.2 Before commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . 46
3.3 Parameter setting and display . . . . . . . . . . . . . . . . . . . . 46
3.4 List of parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
3.5 Display of operating data and counters. . . . . . . . . . . . . 48
3.6 Checks and adjustments . . . . . . . . . . . . . . . . . . . . . . . . 49
3.6.1 Chimney sweeper function. . . . . . . . . . . . . . 49
3.6.2 Adjusting gas pressure at the nozzles . . . . . . . .50
3.7 Gas conversion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
3.7.1 Preliminary operations. . . . . . . . . . . . . . . . . 51
3.8 Automatic calibration procedure . . . . . . . . . . . . . . . . . . 52
MAINTENANCE
4.1 Adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
4.2 External cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
4.2.1 Cleaning the cladding. . . . . . . . . . . . . . . . . . 55
4.3 Cleaning the inside of the appliance . . . . . . . . . . . . . . . 55
4.3.1 Cleaning the heat exchanger . . . . . . . . . . . . 55
4.3.2 Cleaning the burner . . . . . . . . . . . . . . . . . . . 55
4.3.3 Checking the ignition/detection electrode. . . . . . 55
4.3.4 Final operations . . . . . . . . . . . . . . . . . . . . . . 56
4.4 Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
4.4.1 Checking the smoke duct. . . . . . . . . . . . . . . 56
4.4.2 Checking the expansion vessel pressure . . . . . . 56
4.5 Unscheduled maintenance . . . . . . . . . . . . . . . . . . . . . . . 56
4.6 Malfunction codes and possible solutions . . . . . . . . . . 56
4.6.1 Maintenance request . . . . . . . . . . . . . . . . . . 57
EN IT
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