Immergas VICTRIX 20 Plus User manual

VICTRIX Plus

Condensation-type wall-hung

room sealed fan-assisted boiler

for central heating only

or with an external storage tank.

VICTRIX Plus

STVP ed 02/06 VICTRIX Plus

VICTRIX PLUS

Condensation-type wall-hung room sealed

fan-assisted boiler for central heating only

or with an external storage tank.

VICTRIX 20 Plus

VICTRIX 27 Plus

General features.

VICTRIX Plus is a condensation type wall-hung room sealed

fan-assisted boiler for central heating only, designed to work

with a Plus storage tank with an 80, 105, 120 or 200-litre

capacity.

anks to the condensation technology this boiler stands out

for its high performance and wide modulation range (from

20% to 100% of nominal heat power).

ere are two versions in the range with working outputs of

23.5 kW (20210 kcal/h) and 32.0 kW (27520 kcal/h) and

both models feature an innovative total premix combustion

system that ensures minimal pollution emissions. ey can

run on natural gas or LPG.

anks to their excellent energy performance, these boilers

bear the 4-star mark (´´´´) in conformity with the P.D.

660/96.

e appliance is regulated and controlled by means of a printed

microprocessor control board which, via a display, shows the

state of boiler operation (temperatures, safety devices, etc.) and

enables it to be connected (optional) to the Remote Control,

to the external probe, to the zone control unit and to the

Multisystem Distribution Manifold.

e hydraulic circuit features a water-gas coil exchanger in

stainless steel, a 3-way hydraulic diverter valve and an adjustable

by-pass on the system.

All boilers are ﬁtted with an antifreeze device for temperatures

of -5 °C.

e VICTRIX Plus boiler has to be installed using the suc-

tion/exhaust kit or the ducting systems (60 mm Ø rigid and

80 mm Ø ﬂexible) made of plastic and expressly conceived for

the Immergas condensation boilers.

e AISI 316L stainless steel storage tanks are supplied with

an anode and domestic hot water expansion vessel as standard

features and can be connected to the recirculation system by

means of a speciﬁc kit (optional).

Technical Documentation Technical Documentation

STVP ed 02/06 VICTRIX Plus

VICTRIX 20 Plus main dimensions.

80-litre storage tank

200-litre storage tank

105-litre storage tank

120-litre storage tank

Legend:

V - Power connection

U - D.h.w. outlet

G - Gas supply

RB - Boiler return

MB - Boiler delivery

A - System ﬁlling

E - D.h.w. (cold) inlet

RI - System return

MI - System delivery

RP - Solar panel return (optional)

MP - Solar panel delivery (optional)

S - Condensation runoﬀ

RC - Recirculation (optional)

FITTINGS

SYSTEM GAS D.H.W.

MB-RB MI-RI MP-RP G Inlet Outlet RC

3/4” 3/4” 3/4” 1/2” 1/2” 1/2” 1/2”

Technical DocumentationTechnical Documentation

STVP ed 02/06 VICTRIX Plus

VICTRIX 27 Plus main dimensions.

FITTINGS

SYSTEM GAS D.H.W.

MB-RB MI-RI MP-RP G Inlet Outlet RC

3/4” 3/4” 3/4” 1/2” 1/2” 1/2” 1/2”

105-litre storage tank 120-litre storage tank

80-litre storage tank

200-litre storage tank

Legend:

V - Power connection

U - D.h.w. outlet

G - Gas supply

RB - Boiler return

MB - Boiler delivery

A - System ﬁlling

E - D.h.w. (cold) inlet

RI - System return

MI - System delivery

RP - Solar panel return (optional)

MP - Solar panel delivery (optional)

S - Condensation runoﬀ

RC - Recirculation (optional)

Technical Documentation Technical Documentation

STVP ed 02/06 VICTRIX Plus

VICTRIX Plus main components.

Legend:

1 - System ﬁlling valve

2 - Gas valve

3 - System drainage ﬁtting

4 - Gear motor for the 3-way diverter valve

5 - 3-way diverter valve

6 - Sealed chamber back

7 - Detection electrode

8 - Condensation module lid

9 - Intake traps (air A) - (fumes F)

10 - Fume thermostat

11 - Heating limit and adjustment NTC probe

12 - Air vent

13 - Expansion vessel

14 - Air intake pipe

15 - Condensation module

16 - Ignition electrodes

17 - Sleeve with Venturi housing

18 - Electronic control unit

19 - Voltage transformer

20 - Overtemperature safety thermostat

21 - Circulator

22 - Pump safety pressure switch

23 - System safety valve 3 bar

24 - Condensation siphon

25 - Adjustable by-pass

26 - Draught diverter

27 - Positive signal pressure point

28 - Negative signal pressure point

29 - Burner

30 - Air fan

31 - Gas valve outlet pressure test

(from the serial number 3035590 for VICTRIX 20 Plus)

(from the serial number 2773117 for VICTRIX 27 Plus)

Technical DocumentationTechnical Documentation

STVP ed 02/06 VICTRIX Plus

Storage tank main components.

Legend:

1 - ermometer

2 - D.h.w. probe

3 - D.h.w. drainage cock

4 - D.h.w. expansion vessel

5 - Coil

6 - Magnesium anode

7 - Double coil

8 - Coil for use with solar panels

9 - Solar panels probe (Optional for the 200-litre S.T. only)

80-litre storage tank

120-litre storage tank

105-litre storage tank

200-litre storage tank

Technical Documentation Technical Documentation

STVP ed 02/06 VICTRIX Plus

VICTRIX Plus control panel.

Legend:

1 - Central heating ON light

2 - Central heating temperature selector switch

3 - D.h.w. temperature selector switch

4 - D.h.w. ON light

5 - D.h.w./Remote Control – D.h.w. and Heating switch 0

6 - Manometer

7 - Reset

8 - Temperature and diagnostics display

9 - Burner ON light

10 - Storage tank thermometer

11 - Cap

“Condensation Technology”.

Combustion performance (see VICTRIX).

Gas heating power (see VICTRIX).

Dewtemperature (see VICTRIX).

Operating performance of traditional boilers (see

VICTRIX).

Boiler control panel

Storage tank control panel

Operating performance of condensation boilers

(see VICTRIX).

Features and advantages of condensation boilers

(see VICTRIX).

Technical DocumentationTechnical Documentation

STVP ed 02/06 VICTRIX Plus

VICTRIX Plus hydraulic circuit.



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 

 

Legend:

1 - Gear motor for 3-way diverter valve

2 - Condensate collector siphon

3 - Gas valve

4 - Gas valve outlet pressure point (P3)

5 - 3-way diverter valve

6 - Venturi positive signal (P1)

7 - Fan

8 - Venturi negative signal (P2)

9 - Gas nozzle

10 - Venturi air/gas manifold

11 - Detection electrode

12 - Burner

13 - Condensation module lid

14 - Condensation module

15 - Fume thermostat

16 - Draught diverter

17 - Air analyser trap

18 - Gas pressure point

19 - Fumes analyser trap

20 - Heating limit and adjustment NTC

probe

21 - Overheating safety thermostat

22 - Automatic air vent

23 - Ignition electrodes

24 - Expansion vessel

25 - Air inlet pipe

26 - Circulator

27 - Circulator pressure switch micro

28 - System safety valve 3 bar

29 - Circulator pressure switch

30 - Adjustable by-pass

31 - System drainage cock

32 - System ﬁlling valve

33 - One way valve (Europa)

34 - D.h.w. (cold) inlet cock

35 - D.h.w. expansion vessel

36 - System safety valve 3 bar

37 - Storage tank

38 - Magnesium anode

39 - D.h.w. NTC probe

G - Gas supply

S - Condensation runoﬀ

MB- Storage tank delivery

RB - Storage tank return

A - System ﬁlling

RI - System return

MI - System delivery

U - D.H.W. outlet

E - D.H.W. (cold) inlet

RC - Recirculation (optional)

MP - Solar panels delivery (optional for the

200-litre S.T. only)

RP - Solar panels return (optional for the

200-litre S.T. only)

(from the serial number 3035590 for VICTRIX 20 Plus)

(from the serial number 2773117 for VICTRIX 27 Plus)

Technical Documentation Technical Documentation

STVP ed 02/06 VICTRIX Plus

Primary circuit (boiler circuit).

Flow litres/h

A = Head available to the system on maximum speed with the by-pass

oﬀ (adjustment screw fully tightened)

B = Head available to the system on maximum speed (screw tightened

4.5 turns compared to the screw completely loose)

C = Head available to the system on maximum speed with the by-pass

open (adjustment screw completely loose)

Head (kPa)

Flow litres/h

A = Head available to the system on maximum speed with the by-pass

oﬀ (adjustment screw fully tightened)

B = Head available to the system on maximum speed (screw tightened

4.5 turns compared to the screw completely loose)

C = Head available to the system on maximum speed with the by-pass

open (adjustment screw completely loose)

VICTRIX 20 Plus

VICTRIX 27 Plus

Head (m H2O)

Head (kPa)

Head (m H2O)

e primary circuit with relevant control and safety devices is

triggered each time there is a request for central heating or

domestic hot water.

Operation.

e heat contained in the products of combustion is absorbed

by the pipes of the coil water-gas exchanger ﬁtted in the con-

densation module (14) which, in turn, transfers it to the water

circulating inside thanks to the boiler pump (26).

When the boiler is working only in the central heating mode,

the water is transferred directly into the system while if it is

coupled to the storage tank it can be diverted to inside the

storage tank coil.

is depends on the position of the electric 3-way diverter valve

(5) which, depending on the request, permits ﬂow through the

system delivery (M) and return (R) pipes, or it diverts the ﬂow

to the storage tank coil.

Flow-head graph.

e trend of the curve that represents the ﬂow-head ratio,

depends on how the system by-pass is adjusted. Depending

on the position, it provides the system with a higher or smaller

head. Circulator.

e circulator works on the primary circuit return and is

located on the brass assembly.

It is connected to the enbloc by means of a threaded connec-

tion while the condensation module and the expansion vessel

are connected by means of coupling pipes (2) and an O ring

(3), locked by special forks (1).

Primary exchanger (see VICTRIX).

Technical DocumentationTechnical Documentation

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