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  9. Immergas Hercules Condensing 26 2 E User manual

Immergas Hercules Condensing 26 2 E User manual

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HERCULES
Condensing 26 2 E / 32 2 I
Ecological floor-standing
condensing boiler
with stainless steel storage tank
HERCULES Condensing 26 2 E / 32 2 I
1
STHCkW ed 04/09 HERCULES Condensing Export
Technical Documentation Technical Documentation
HERCULES Condensing
Ecological oor-standing condensing
boiler with 120 litre storage tank
HERCULES Condensing 26 2 E
HERCULES Condensing 32 2 I
HERCULES Condensing ABT 32 2 I
HERCULES Condensing combines the advantages of an
ecological condensing boiler with VICTRIX Superior type mi-
croprocessor with those of a oor standing boiler with storage
tank. e range envisions two versions with useful heat outputs
of 23.9 kW (20554 kcal/h) and 32.0 kW (27520 kcal/h). Both
models are equipped with a total premix combustion system,
which guarantees particularly low pollutant emissions and
allows functioning with methane or LPG. anks to condensa-
tion technology, it is characterised for its high eciency and
for the large modulating eld (20÷100% of the nominal heat
output). e hydraulic circuit, made up from one stainless steel
water-gas coil exchanger, a hydraulic manifold inserted as per
standard and two pumps, means that the boiler is suitable for
the heating systems that require high ow rate.
HERCULES Condensing can function in zone systems con-
trolled by pumps: it is, in fact, prepared to house the pumps
necessary to control up to 3 zones on the heating system inside
the casing. It is also prepared for the realisation of mixed sys-
tems: one high temperature zone (e.g. radiators) and two low
temperature zones (e.g. oor radiating panels) by inserting the
optional kit inside the casing (including pumps, mixer valves
and zone management board). e new zone management board
allows to use the Remote Control (optional) to control that
considered to be the main zone.
N.B.: e HERCULES Condensing ABT boiler is equipped
to manage a high temperature zone (example radiators) and a
low temperature zone (example oor radiating panels). e tem-
perature of the ow water onto the low temperature zones can
be adjusted on the boiler control panel (whenever functioning
General features.
with variable temperature is not envisioned) from 25 to 50°C.
All models are prepared for coupling and connection of the
storage tank to solar panel systems (optional).
e new electronics allow the connection of the appliance
to the Comando Amico Remoto and to the Super Comando
Amico Remoto remote control; both allow to manage and
control the boiler at a distance with great ease. Using the Super
CAR it is possible to indierently vary some settings from the
boiler control panel and from the Super CAR control panel,
such as: selection of Summer Winter, DHW set point, DHW
comfort status, Reset.
e adjustment and the control of the appliance are entrusted
to a P.C.B. with continuous ame modulation. e boiler
functioning parameters are set using the buttons and knobs
while display of the status, functioning mode and anomalies
takes place on the back-lit digital display.
e DHW circuit is equipped with a 5 litre expansion vessel
and a120 litre stainless steel storage tank which, as well as the
advantages of storage, guarantees the instantaneous produc-
tion of hot water.
HERCULES Condensing must be installed using the intake/
exhaust kits or the ducting systems (Ø 60 mm rigid, Ø 80 mm
rigid and Ø 80 mm exible) realised in plastic and designed
expressly for Immergas condensing boilers.
2
STHCkW ed 0409 HERCULES Condensing Export
Technical DocumentationTechnical Documentation
Main dimensions and connections.
HERCULES Condensing
HERCULES Condensing ABT
Key:
RA3 - Zone 3 high temperature system return G
3/4” (optional)
MA3 - Zone 3 high temperature system ow G 3/4”
(optional)
RA2 - Zone 2 high temperature system return G
3/4” (optional)
MA2 - Zone 2 high temperature system ow G 3/4”
(optional)
RB2 - Zone 2 low temperature system return G 1”
(optional)
MB2 - Zone 2 low temperature system ow G 1”
(optional)
RB1 - Zone 1 low temperature system return G 1”
(optional)
MB1 - Zone 1 low temperature system ow G 1”
(optional)
RA1 - Zone 1 high temperature system return G
3/4”
MA1 - Zone 1 high temperature system ow G 3/4”
G - Gas supply G 1/2”
AC - DHW outlet G 3/4”
AF - DHW inlet G 3/4”
RC - Recirculation G 1/2” (optional)
RP - Solar panels return G 3/4” (optional)
MP - Solar panels ow G 3/4” (optional)
SC - Condensate drain
(minimum internal diameter Ø 13 mm)
Key:
RB2 - Zone 2 low temperature system return G 1”
(optional)
MB2 - Zone 2 low temperature system ow G 1”
(optional)
RB1 - Zone 1 low temperature system return G 1”
MB1 - Zone 1 low temperature system ow G 1”
RA1 - Zone 1 high temperature system return G
3/4”
MA1 - Zone 1 high temperature system ow G 3/4”
G - Gas supply G 1/2”
AC - DHW outlet G 3/4”
AF - DHW inlet G 3/4”
RC - Recirculation G 1/2” (optional)
RP - Solar panels return G 3/4” (optional)
MP - Solar panels ow G 3/4” (optional)
SC - Condensate drain
(minimum internal diameter Ø 13 mm)
3
STHCkW ed 04/09 HERCULES Condensing Export
Technical Documentation Technical Documentation
HERCULES Condensing control panel.
Key:
- Stand-by - On Button
A- Summer ( ) and winter ( ) functioning mode selection but-
ton
B- DHW priority button ( )
C- (RESET) / menu exit (ESC) reset button
D- Menu entry button (MENU)/ data conrmation (OK)
1 - Domestic hot water temperature selector
2 - Domestic hot water temperature set
3 - Central heating temperature selector
4 - Central heating temperature set
4 - Presence of anomalies
6 - Display of boiler functioning status
8 - Flame presence symbol and relative power scale
9 and 7 - Primary heat exchanger outlet water temperature
10 - Boiler in Stand-by
11 - Boiler connected to remote control (Optional)
12 - Functioning in summer mode
13 - Anti-freeze function in progress
14 - Functioning in winter mode
15 - Functioning with domestic hot water priority active
16 - Connection to external tools for technician
17 - Display of menu items
18 - Functioning with external temperature probe active
19 - Display of data conrmation or menu access
20 and 7 - External temperature display
with external probe connected (optional)
21 - Display of reset or exit menu request
22 - Chimney sweep function in progress
23 - Boiler manometer
24 - Multi-function display
4
STHCkW ed 0409 HERCULES Condensing Export
Technical DocumentationTechnical Documentation
HERCULES Condensing main components.
Key:
1 - Stainless steel storage tank unit
2 - DHW recirculation pump (optional)
3 - ree-way valve (motorised)
4 - Zone 1 by-pass
5 - Zone 1 one-way valve
6 - Zone 1 pump
7 - Safety thermostat (Low temperature) (optional)
8 - Flow probe (Low temperature) (optional)
9 - Zone 2 pump (optional)
10 - Zone 2 one-way valve (optional)
11 - Zone 2 by-pass (optional)
12 - Mixing valve (optional)
13 - Condensation module
14 - Flue safety thermostat
15 - Burner
16 - Ignition electrode
17 - Detection electrode
18 - Venturi
19 - Gas nozzle
20 - Fan
21 - Cold water inlet valve
22 - 8 bar safety valve
23 - Air intake pipe
24 - 3 bar safety valve
25 - D.H.W. expansion vessel
26 - System lling valve
27 - Condensate drain trap
28 - Polyphosphate dispenser (optional)
29 - Domestic hot water probe
30 - Storage tank unit draining valve
31 - Sample points (air A) - (ue gas F)
32 - Positive signal pressure point
33 - Negative signal pressure point
34 - Manual air vent valve
35 - Vent valve
36 - Zones management electrical connection box (optional)
37 - Hydraulic manifold
38 - System expansion vessel
39 - Flow probe
40 - Safety thermostat
41 - Manifold draining valve
42 - System pressure switch (absolute)
43 - Boiler Pump
44 - Sealed Chamber
45 - Gas valve
46 - System draining valve
5
STHCkW ed 04/09 HERCULES Condensing Export
Technical Documentation Technical Documentation
HERCULES Condensing ABT main components.
Key:
1 - Stainless steel storage tank unit
2 - DHW recirculation pump (optional)
3 - ree-way valve (motorised)
4 - High temp. zone automatic by-pass
5 - High temp. zone one-way valve
6 - High temperature zone system pump
7 - Low temperature safety thermostat
8 - Low temp. ow probe
9 - Low temperature zone system pump
10 - Low temp. zone one-way valve
11 - Low temp. zone automatic by-pass
12 - Mixing valve
13 - Condensation module
14 - Flue safety thermostat
15 - Burner
16 - Ignition electrode
17 - Detection electrode
18 - Venturi
19 - Gas nozzle
20 - Fan
21 - Cold water inlet valve
22 - 8 bar safety valve
23 - Air intake pipe
24 - 3 bar safety valve
25 - D.H.W. expansion vessel
26 - System lling valve
27 - Condensate drain trap
28 - Polyphosphate dispenser (optional)
29 - Domestic hot water probe
30 - Storage tank unit draining valve
31 - Sample points (air A) - (ue gas F)
32 - Positive signal pressure point
33 - Negative signal pressure point
34 - Manual air vent valve
35 - Vent valve
36 - Zones management electrical connection box
37 - Hydraulic manifold
38 - System expansion vessel
39 - Flow probe
40 - Safety thermostat
41 - Manifold draining valve
42 - System pressure switch (absolute)
43 - Boiler Pump
44 - Sealed Chamber
45 - Gas valve
46 - System draining valve
6
STHCkW ed 0409 HERCULES Condensing Export
Technical DocumentationTechnical Documentation
HERCULES Condensing hydraulic diagram.
Key:
1 - Stainless steel coil for storage tank
2 - System draining valve
3 - Polyphosphate dispenser (optional)
4 - System lling valve
5 - 3 bar safety valve
6 - Manifold draining valve
7 - Condensate drain trap
8 - Gas valve
9 - Gas valve outlet pressure point (P3)
10 - Air intake pipe
11 - Fan
12 - Gas nozzle
13 - Detection electrode
14 - Burner
15 - Flue safety thermostat
16 - Condensation module covers
17 - Condensation module
18 - Manual air vent valve
19 - Flue hood
20 - Air sample point
21 - Flue sample point
22 - Pressure point ΔP gas
23 - Flow probe
24 - Safety thermostat
25 - Ignition electrode
26 - Boiler Pump
27 - System pressure switch (absolute)
28 - ree-way valve (motorised)
29 - Venturi positive sign P1
23 - Venturi negative sign P2
31 - Air/gas Venturi manifold
32 - System expansion vessel
33 - Vent valve
34 - Hydraulic manifold
35 - Zone 1 pump
36 - Zone 1 one-way valve
37 - Zone 1 by-pass
38 - D.H.W. expansion vessel
39 - Cold water inlet valve
40 - Cold water inlet lter
41 - Flow limiter
42 - Cold water inlet non-return valve
43 - 8 bar safety valve
44 - DHW recirculation pump (optional)
45 - Domestic hot water probe
46 - Magnesium anode
47 - Storage tank unit draining valve
RA1 - Zone 1 system return (High temperature)
MA1 - Zone 1 system ow (High temperature)
G - Gas supply
AC - Domestic hot water outlet
AF - Domestic cold water inlet
RC - Domestic hot water recirculation
RP - Return from solar panels
MP - Flow from solar panels
e hot water used for central heating and domestic hot water
is produced via a primary and a secondary circuit (DHW)
which are aected according to necessity.
Standard Conguration
7
STHCkW ed 04/09 HERCULES Condensing Export
Technical Documentation Technical Documentation
HERCULES Condensing ABT hydraulic diagram.
Key:
1 - Stainless steel coil for storage tank
2 - System draining valve
3 - Polyphosphate dispenser (optional)
4 - System lling valve
5 - 3 bar safety valve
6 - Manifold draining valve
7 - Condensate drain trap
8 - Gas valve
9 - Gas valve outlet pressure point (P3)
10 - Air intake pipe
11 - Fan
12 - Gas nozzle
13 - Detection electrode
14 - Burner
15 - Flue safety thermostat
16 - Condensation module covers
17 - Condensation module
18 - Manual air vent valve
19 - Flue hood
20 - Air sample point
21 - Flue sample point
22 - Pressure point ΔP gas
23 - Flow probe
24 - Safety thermostat
25 - Ignition electrode
26 - Boiler Pump
27 - System pressure switch (absolute)
28 - ree-way valve (motorised)
29 - Venturi positive sign P1
23 - Venturi negative sign P2
31 - Air/gas Venturi manifold
32 - System expansion vessel
33 - Vent valve
34 - Hydraulic manifold
35 - Low temp. zone one-way valve
36 - Low temp. zone mixing valve
37 - Low temperature zone system pump
38 - Low temperature safety thermostat
39 - Low temp. zone ow probe
40 - Low temp. zone automatic by-pass
41 - High temperature zone system pump
42 - High temp. zone one-way valve
43 - High temp. zone automatic by-pass
44 - D.H.W. expansion vessel
45 - Cold water inlet cock
46 - Cold water inlet lter
47 - Flow limiter
48 - Cold water inlet non-return valve
49 - 8 bar safety valve
50 - DHW recirculation pump (optional)
51 - Domestic hot water probe
52 - Magnesium anode
53 - Storage tank unit draining valve
RB - Low temperature zone system return
MB - Low temperature zone system ow
RA - High temperature zone system return
MA - High temperature zone system ow
G - Gas supply
AC - Domestic hot water outlet
AF - Domestic hot water inlet
RC - Domestic hot water recirculation
RP - Return from solar panels
MP - Flow from solar panels
8
STHCkW ed 0409 HERCULES Condensing Export
Technical DocumentationTechnical Documentation
Primary circuit (boiler circuit).
e primary circuit, with relative control and safety devices,
is started every time there is a central heating or domestic
hot water request.
Operation (see HERCULES Condensing hy-
draulic diagram).
e heat contained in the combustion products is absorbed
by the pipes of the water-gas primary heat exchanger with coil
inserted in the condensation module (17) which then gives
the heat up to the water made to circulate inside the boiler
pump (26).
e water is introduced directly into the hydraulic manifold
(34) and therefore to the system or can be diverted inside the
storage tank coil (1).
is depends on the position of the motorised 3-way valve
(28), which depending on request, allows ow towards the
system ow and return pipes of the hydraulic manifold (34)
or causes diversion towards the coil (1).
Boiler pump (1).
Operates on the primary circuit return immediately after the
3-way valve to which it is connected. It is part of the integrated
multifunction unit realised in composite material.
ere is a seat on the body where the automatic air vent valve
(2) is housed.
1
2