Table Of Contents - Biasi RINNOVA COND 24S User Manual And Installation Instructions

1 BOILER DESCRIPTION . . . . . . . . . . . . . . . 7
1.1 Assembly view. . . . . . . . . . . . . . . . . . . . . . . . 7
1.2 Shut-off valves and cocks . . . . . . . . . . . . . . . 7
1.3 Control panel . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.4 General LCD characteristics . . . . . . . . . . . . . 8
2 USER INSTRUCTIONS . . . . . . . . . . . . . . . 10
2.1 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.2 Ignition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.3 Heating circuit temperature . . . . . . . . . . . . . 11
2.4 Domestic hot water temperature . . . . . . . . . 12
2.5 Shutdown. . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3 USEFUL TIPS . . . . . . . . . . . . . . . . . . . . . . 14
3.1 Filling the heating circuit . . . . . . . . . . . . . . . 14
3.2 Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.3 Antifreeze protection . . . . . . . . . . . . . . . . . . 15
3.4 Periodic maintenance . . . . . . . . . . . . . . . . . 15
3.5 External cleaning . . . . . . . . . . . . . . . . . . . . . 15
3.6 Operating anomalies . . . . . . . . . . . . . . . . . . 15
3.7 Displays in INFO mode . . . . . . . . . . . . . . . . 16
3.8 Flue thermal fuse. . . . . . . . . . . . . . . . . . . . . 17
4 TECHNICAL SPECIFICATIONS . . . . . . . . 18
4.1 Assembly view. . . . . . . . . . . . . . . . . . . . . . . 18
4.2 Schematic diagram . . . . . . . . . . . . . . . . . . . 19
4.3 Wiring diagram . . . . . . . . . . . . . . . . . . . . . . 21
4.4 Technical data M275V.2024 SM . . . . . . . . . 22
4.5 Technical data M275V.2428 SM . . . . . . . . . 25
4.6 Technical data M275V.2832 SM . . . . . . . . . 28
4.7 Hydraulic characteristics . . . . . . . . . . . . . . . 31
4.8 Expansion vessel. . . . . . . . . . . . . . . . . . . . . 31
5 INSTALLATION . . . . . . . . . . . . . . . . . . . . . 32
5.1 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.2 Precautions for installation . . . . . . . . . . . . . 33
5.3 Installing the boiler bracket . . . . . . . . . . . . . 33
5.4 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 34
5.5 Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
5.6 Boiler assembly . . . . . . . . . . . . . . . . . . . . . . 34
5.7
5.8 Flue gas outlet dimensions and lengths . . . 36
5.9 C
63
5.10 Positioning the draught terminals . . . . . . . . 40
5.11 Electrical connections . . . . . . . . . . . . . . . . . 41
5.12 Connecting a room thermostat or zone
valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
5.13 Electrical connection of the remote control
(optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Models
RINNOVA COND 24S
RINNOVA COND 28S
RINNOVA COND 32S
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TABLE OF CONTENTS

. . . . . . . 35
. . . . . . . . . . . . . . 39
5.14 Accessing installer parameters . . . . . . . . . . 43
5.15 Enabling of operation with remote control
(optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
5.16 Installing the external temperature sensor . 44
5.17 Electrical connection between the boiler
and the external sensor . . . . . . . . . . . . . . . . 44
5.18 Enabling operation with the external
5.19 Selecting the maximum heating
temperature setpoint with the climatic
curve set . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
5.20 Selecting the heating temperature set. . . . . 47
5.21 Setting pump post-circulation . . . . . . . . . . . 48
5.22 Selecting re-ignition frequency . . . . . . . . . . 49
5.23 Factory reset . . . . . . . . . . . . . . . . . . . . . . . . 50
5.24 Examples of hydraulic systems with
hydraulic separator (optional) . . . . . . . . . . . 50
6 PREPARATION FOR SERVICE . . . . . . . . 52
6.1 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
6.2 Sequence of operations. . . . . . . . . . . . . . . . 52
7 CHECKING THE GAS SETTING. . . . . . . . 55
7.1 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
7.2 Gas operations and setting . . . . . . . . . . . . . 55
8 GAS CONVERSION . . . . . . . . . . . . . . . . . 59
8.1 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
8.2 Gas operations and setting . . . . . . . . . . . . . 59
9 MAINTENANCE. . . . . . . . . . . . . . . . . . . . . 61
9.1 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
9.2 Removing the body panels . . . . . . . . . . . . . 61
9.3 Emptying the DHW circuit . . . . . . . . . . . . . . 62
9.4 Emptying the heating circuit . . . . . . . . . . . . 62
9.5 Cleaning the primary condensate
exchanger and the burner . . . . . . . . . . . . . . 63
9.6 Check the pressure in the heating
expansion tank . . . . . . . . . . . . . . . . . . . . . . 64
9.7 Cleaning the domestic hot water exchanger 64
9.8
9.9
9.10 Checking the condensate discharge siphon 65
9.11 Setting the boiler's chimney sweep function 66
9.12 Settings for changing the control board. . . . 67
10 BOILER DISPOSAL AND RECYCLING . . 71
M275V.2024 SM
M275V.2428 SM
M275V.2832 SM
. . . . . . . 44
. . . . . 64
. . . . . . . . . . . . . . 64