Table Of Contents - Biasi RINNOVA CV Series User Manual And Installation Instructions

1 BOILER DESCRIPTION . . . . . . . . . . . . . . . 6
1.1 Assembly view. . . . . . . . . . . . . . . . . . . . . . . . 6
1.2 Shut-off valves and cocks . . . . . . . . . . . . . . . 6
1.3 Control panel . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.4 General LCD characteristics . . . . . . . . . . . . . 7
2 USER INSTRUCTIONS . . . . . . . . . . . . . . . . 9
2.1 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.2 Ignition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.3 Heating circuit temperature . . . . . . . . . . . . . 10
2.4 Domestic hot water temperature . . . . . . . . . 11
2.5 Shutdown. . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3 USEFUL TIPS . . . . . . . . . . . . . . . . . . . . . . 13
3.1 Filling the heating circuit . . . . . . . . . . . . . . . 13
3.2 Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.3 Antifreeze protection . . . . . . . . . . . . . . . . . . 13
3.4 Periodic maintenance . . . . . . . . . . . . . . . . . 14
3.5 External cleaning . . . . . . . . . . . . . . . . . . . . . 14
3.6 Operating anomalies . . . . . . . . . . . . . . . . . . 14
3.7 Displays in INFO mode . . . . . . . . . . . . . . . . 15
4 TECHNICAL SPECIFICATIONS . . . . . . . . 16
4.1 Assembly view. . . . . . . . . . . . . . . . . . . . . . . 16
4.2 Schematic diagram . . . . . . . . . . . . . . . . . . . 17
4.3 Wiring diagram . . . . . . . . . . . . . . . . . . . . . . 19
4.4 Technical data M290E.24CV . . . . . . . . . . . . 20
4.5 Technical data M290E.28CV . . . . . . . . . . . . 22
4.6 Technical data M290E.32CV . . . . . . . . . . . . 24
4.7 Hydraulic characteristics . . . . . . . . . . . . . . . 26
4.8 Expansion vessel. . . . . . . . . . . . . . . . . . . . . 26
5 INSTALLATION . . . . . . . . . . . . . . . . . . . . . 27
5.1 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5.2 Precautions for installation . . . . . . . . . . . . . 27
5.3 Installing the boiler bracket . . . . . . . . . . . . . 28
5.4 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 28
5.5 Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
5.6 Boiler assembly . . . . . . . . . . . . . . . . . . . . . . 29
5.7 Installing the DHW tank . . . . . . . . . . . . . . . . 30
5.8 Flue gas outlet dimensions and lengths . . . 30
5.9 Electrical connections . . . . . . . . . . . . . . . . . 36
5.10 Connecting a room thermostat or zone
valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
5.11 Accessing the "programming mode" . . . . . . 37
5.12 Electrical connection of the DHW tank
thermostat or NTC probe and setting . . . . . 38
5.13 Anti-legionella function . . . . . . . . . . . . . . . . 39

TABLE OF CONTENTS

Models and boiler certification code
RINNOVA M290E.24CV
RINNOVA M290E.28CV
RINNOVA M290E.32CV
5.14 Electrical connection of the remote control
(optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
5.15 Enabling of operation with remote control
(optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
5.16 Installing the external temperature sensor . 41
5.17 Electrical connection between the boiler
and the external sensor . . . . . . . . . . . . . . . . 41
5.18 Enabling operation with the external
sensor and setting the K coefficient. . . . . . . 41
5.19 Selecting the maximum heating
temperature setpoint with the climatic
curve set . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
5.20 Selecting the heating temperature set. . . . . 44
5.21 Setting pump post-circulation . . . . . . . . . . . 45
5.22 Selecting re-ignition frequency . . . . . . . . . . 45
5.23 Examples of hydraulic systems with
hydraulic separator (optional) . . . . . . . . . . . 46
6 PREPARATION FOR SERVICE . . . . . . . . 48
6.1 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
6.2 Sequence of operations. . . . . . . . . . . . . . . . 48
7 CHECKING THE GAS SETTING. . . . . . . . 50
7.1 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
7.2 Gas operations and setting . . . . . . . . . . . . . 50
7.3 Setting burner ignition . . . . . . . . . . . . . . . . . 53
8 GAS CONVERSION . . . . . . . . . . . . . . . . . 55
8.1 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
8.2 Gas operations and setting . . . . . . . . . . . . . 55
9 MAINTENANCE. . . . . . . . . . . . . . . . . . . . . 57
9.1 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
9.2 Removing the body panels . . . . . . . . . . . . . 57
9.3 Emptying the DHW circuit . . . . . . . . . . . . . . 58
9.4 Emptying the heating circuit . . . . . . . . . . . . 58
9.5 Cleaning the primary exchanger . . . . . . . . . 58
9.6 Check the pressure in the heating
expansion tank . . . . . . . . . . . . . . . . . . . . . . 58
9.7 Cleaning the domestic hot water exchanger 58
9.8 Cleaning the burner . . . . . . . . . . . . . . . . . . . 59
9.9 Controlling the flue gas exhaust duct . . . . . 59
9.10 Checking boiler efficiency . . . . . . . . . . . . . . 59
9.11 Setting the boiler's chimney sweep function 60
9.12 Settings for changing the control board. . . . 61
10 BOILER DISPOSAL AND RECYCLING . . 64
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