Riello FAMILY CONDENS 2.5, Installer And User Manual

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FAMILY CONDENS IS E
6
- By not pressing button (A) for more than 2 seconds, the user inter-
face will "display the operating status".
The available settings are shown below along with the related rep-
resentation of LED (B) and (C) (fig. 8).
IMPORTANT
If curves 3 (5 meters) or curve 4 (4 meters) are set, the bypass must
be replaced with that supplied, following the procedure on page 27.
2.3 Variable speed circulator
The modulating circulator function is only active in heating
mode.
The circulator is set to maximum speed when switch the three-way
valve to DHW. The modulating circulator function only applies to the
boiler circulator and not to circulators of other external devices con-
nected (e.g.. relaunch circulator).
you can choose from four operating modes depending on the situa-
tion and the type of system.
you can choose between these possibilities by entering the techni-
cian menu, parameter 90:
1 - VARIABLE SPEED CIRCULATOR WITH PROPORTIONAL
MODE (60 <= P90 <= 99)
2 - VARIABLE SPEED CIRCULATOR WITH CONSTANT ∆T MODE
(2 <= P90 <= 40)
3 - VARIABLE SPEED CIRCULATOR WITH MAXIMUM FIXED
SPEED MODE (P90 = 1)
4 - EXCEPTIONAL USE OF A STANDARD CIRCULATOR WITH-
OUT REGULATED SPEED (P90 = 0)
The factory setting is with P90 = 60 (circulator in the proportional
mode with wide modulation range).
1 - VARIABLE SPEED CIRCULATOR WITH PROPORTIONAL
MODE (60 <= P90 <= 99)
In this mode the boiler card determines which output curve to adopt
depending on the instantaneous power supplied by the boiler.
The boiler controller divides the power range in which the boiler oper-
ates in heating into different levels. The speed with linear logic is au-
tomatically selects depending on the power level used during heat-
ing: maximum power = high speed, minimum power = low speed.
Used on all system types where the power of the machine has been
correctly balanced with the actual requirements of the system.
If the modulation range needs to be reduced (increase the minimum
flow of the pump), set values greater than 60.
In operational terms:
- Enter parameter 90
- Set the parameter => 60
2 - VARIABLE SPEED CIRCULATOR WITH CONSTANT ∆T MODE
(2 <= P90 <= 40)
In this mode, the installer sets the value ∆T to be maintained between
the outlet and return (e.g..: entering a value = 10 the speed of the
circulator will change to obtain a system output able to maintain the
∆T of 10° C upstream and downstream of the heat exchanger).
Through periodic sampling of the boiler outlet and return sensor val-
ues, the card processes whether to increase or decrease the speed
of the circulator and thus the output of the system. If the sampling
reads a ∆T value below the set value, the speed is decreased until
the ∆T has increased to the set value. Vice versa, if the sampling is
higher than the set value the speed is increased.
Used for high temperature direct mode systems (typical of the re-
placement) in which the boiler is not using the temperature control
and where a calculated ∆T can be set.
Working at a constant outlet temperature and with the environment
regulation achieved, the average temperature of the radiators tends
to increase. Maintaining ∆T constant, thanks to the reduction of the
output, which is obtained from the change of the operating curve, a
reduced return temperature is achieved favouring greater boiler effi-
ciency and the reduction of electric consumption.
In operational terms:
- Enter parameter 90
- Set the parameter with a value between 2 and 40 (normally be-
tween 5 and 7 for low temperature systems and between 15 and
20 for high temperature systems)
3 - VARIABLE SPEED CIRCULATOR WITH MAXIMUM FIXED
SPEED MODE (P90 = 1)
In this mode the modulating circulator runs continuously at full speed.
Used on systems with high pressure drops in which it is necessary
to make the most of the boiler discharge head in order to ensure a
sufficient circulation (system output at maximum speed less than 600
litres per hour).
Used in the presence of hydraulic separators with high output in the
downstream circuit.
In operational terms:
- Enter parameter 90
- Set the parameter = 1
4 - EXCEPTIONAL USE OF A STANDARD CIRCULATOR WITH-
OUT REGULATED SPEED (P90 = 0)
This mode should be used in exceptional cases in which a traditional
circulator without speed adjustment is used in the boiler. It assumes
that the adjustable speed circulator has been removed and replaced
with a non-adjustable speed circulator.
The BE06 card connected to the CN9 connector must be re-
moved and replaced with a connector with jumper to be insert-
ed again in the CN9 connector. The latter connection is manda-
tory and if not performed can cause system malfunctions.
In operational terms:
- Enter parameter 90
- Set the parameter = 0
CONFIGURATION RECOMMENDED BY THE MANUFACTURER
EXTERNAL PROBE YES
(THERMOREGULATION) EXTERNAL PROBE NO
(THERMOREGULATION)
LOW
TEMPERATURE
(floor)
∆T constant
(5 ≤ P90 ≤ 7)
PROPORTIONAL
(P90 = 60)
HIGH
TEMPERATURE
(radiators without
thermostatic
valves)
PROPORTIONAL
(P90 = 60)
∆T constant
(15 ≤ P90 ≤ 20)
HIGH
TEMPERATURE
(radiators with
thermostatic
valves)
PROPORTIONAL
(P90 = 60)
PROPORTIONAL
(P90 = 60)
3 - INSTALLATION
3.1 Receiving the product
The FAMILY CONDENS IS E boiler is supplied in a single pack pro-
tected by cardboard packaging.
The boiler is supplied as standard with the following material:
- Instruction booklet for the user and the installer
- Bar code labels
- Pre-assembly template
- Package with plumbing fittings
- External probe
- Connection cover + screw
- By-pass valve
- Condensate discharge pipe.
The instruction booklets are an integral part of the boiler and
there it is recommended to read them carefully and keep them
in a safe place.
3.2 Dimensions and weights (fig. 9)
FAMILY CONDENS IS E
2.5 IS E 3.0 IS E 3.5 IS E
L 453 453 453 mm
P 358 358 385 mm
H 780 780 780 mm
H1 845 845 845 mm
Net Weight 39 41 41 kg