E.C.A. Confeo Premix Operation instructions

High-efficiency Condensing Boilers (60/100 mm Flue Outlet)
Confeo Premix CP 4 HM GC Appliance No. 47-144-03
4 kW Central Heating Output
6 kW Domestic Hot Water Output
Confeo Premix CP 30 HM GC Appliance No. 47-144-04
30 kW Central Heating Output
31 kW Domestic Hot Water Output
USER OPERATING INSTRUCTIONS
Veruk23308

PREFACE
Confeo Premix high-efficiency condensing boilers h ve been designed to provide efficient, s fe nd
comfort ble centr l he ting (CH) nd domestic hot w ter (DHW).
This section of the m nu l cont ins user’s oper ting instructions. Ple se re d the instructions
c refully before oper ting the boiler to m ximise efficiency nd benefit from the boilers
specific tion .
GUARANTEE & SERVICE
 ECA He ting UK gu r ntee this boiler for period of up to 2 ye rs from d te of inst ll tion
g inst m nuf cturing nd m teri l defect subject to the following terms & conditions.
The gu r ntee consists of 1 ye r p rts nd l bour w rr nty, which is extended to 2 ye rs free
of ch rge, provided the boiler is registered within 60 days of installation. W rr nty
registr tion c rds m y be returned by post, or register online t www.ec he ting.com to
v lid te this w rr nty extension. Unregistered boilers re subject to 1 ye r w rr nty or 2
ye rs from d te of m nuf cture which ever is the sooner.
Inst ll tion must be in ccord nce with the inst ll tion nd servicing instruction's, British
st nd rds nd g s s fety regul tions. Benchm rk Checklist p ge 56 of inst ll tion & service
instruction's must be completed by your inst ller.
Service nd gener l m inten nce must be c rried out t le st nnu lly by qu lified Corgi
registered engineer in UK or competent person in IE.
 This does not ffect your st tutory rights under UK or IE consumer l w.
The Benchmark Scheme
ECA Heating is a licensed member of the Benchmark Scheme which aims to improve the standards of installation
and commissioning of domestic heating and hot water systems in the UK and to encourage regular servicing to
optimise safety efficiency and performance. Benchmark is managed and promoted by the Heating and Hot water
Industry Council. For more information visit www.centralheating.co.uk
Please ensure that the installer has fully completed the Benchmark Checklist on page 56 of the installation
instructions supplied with this product and that you have signed it to say that you have received a full and clear
explanation of its operation. The installer is legally required to complete a commissioning checklist as a means of
complying with the appropriate Building Regulations (England and Wales).All installations must be notified to
Local Area Building Control either directly or through a Competent Persons Scheme. A Building Regulations
Compliance Certificate will then be issued to the customer who should on receipt write the Notification Number
on the Benchmark Checklist. This product should be serviced regularly to optimise its safety efficiency and
performance. The service engineer should complete the relevant Service Record on the Benchmark Checklist after
each service. The Benchmark Checklist may be required in the event of any warranty work and as supporting
documentation relating to home improvements in the optional documents section of the Home Information Pack.

BOILER CONTROLS
Control Panel
ON/OFF Switch
Display Panel: Blue Backlit LCD Display and 4 Yellow Status LED's
Central Heating (CH) Temperature Control Knob
Domestic Hot Water (DHW) Temperature Control Knob
Pressure Push-button
Reset Push-button / Burner LED
Control Panel Cover
4
5
7
3
1
Fig 1
6

Oper ting The Boiler
Start Up / Shut Off The Boiler
Turn the ON/OFF switch to ‘ ON ’ position. LCD displ y will turn
ON nd, Power-on sequence will be monitored for sever l
seconds. After the power-on sequence is completed successfully,
LCD displ y shows ctu l Centr l He ting (CH) flow
temper ture.
Fig 2
St tus LEDs CH / DHW when OFF indic te “st nd-by”
mode, no dem nd for DHW or CH.
CH (Central Heating) Mode Fig 3
By djusting the CH control knob, summer or winter mode
c n be selected.
a) Summer mode
Rot te the CH control knob to the ‘  ’ position. In this
summer mode, CH mode is off, only DHW c n be supplied.
b) Winter mode
Rot te the CH control knob to the ‘  ’ position.
In the winter mode, your ppli nce s tisfies centr l he ting Fig 4
nd lso domestic hot w ter Fig 5
Adjust the CH w ter flow temper ture between 30 oC nd
80 oC with the CH control knob. The setpoint v lue
ppe rs on the LCD displ y when the left dot is fl shing.
After 10 seconds, ctu l CH w ter temper ture will ppe r
inste d of the setpoint nd left dot dis ppe rs. The boiler
will modul te to the desired temper ture. If hot w ter
t p is opened, DHW mode will interrupt the CH mode (hot
w ter priority) until DHW requirement ce ses .
In c se of f iled ignition, utom tic ignition sequence is
repe ted 3 times. If ll ignition ttempts f il, “ No fl me
sign l” lockout occurs. The burner LED will turn RED nd
error code “ 4 ” will fl sh on the LCD displ y to indic te
this error condition. Press the reset push-button to turn
b ck the norm l oper tion g in. If the lockout
condition continues fter pressing the reset push-button,
continue to p ge 6 for , F ult finding.
1
Fig 7
Fig 6

DHW (Domestic Hot W ter) Mode
It is possible to h ve domestic hot w ter when:
) The ppli nce is in st ndby-by mode or, Fig 8
b) CH mode is ctive. DHW h s priority over CH
mode.
Ensure control knob is not in DHW c ncell tion zone.
Turn ON hot t p to st rt DHW mode
Turn OFF the hot t p to stop DHW mode. The boiler
goes b ck to the previous mode.
Fig 9
Domestic hot w ter temper ture c n be djusted between
35 oC nd 60 oC with the DHW control knob. The setpoint
DHW temper ture ppe rs on the LCD displ y nd left dot
is fl shing. (fig 9)
After 10 seconds, ctu l CH w ter temper ture will ppe r
inste d of the setpoint nd left dot dis ppe rs. Boiler will
modul te to the desired temper ture (fig. 10).
Fig 10
Comfort Mode (DHW Preheat function) / Economy Mode
Comfort Mode m int ins the DHW pl te he t exch nger in prehe ted condition dependent upon
us ge p tterns to ensure f st delivery of hot w ter. Prehe t cycle typic lly l st less th n 1 minute. In
economy Mode DHW prehe t function is c ncelled.
To select Comfort Mode, turn the DHW temper ture
control knob fully clockwise nd then b ck to the desired
DHW temper ture setting within 3 seconds. St tus LED
Comfort mode will ON.
Fig 11
To select economy mode, i.e. without DHW prehe t, do the s me ction g in (turn the DHW
temper ture control knob fully clockwise nd then b ck to the desired DHW temper ture setting
within 3 seconds). St tus LED Comfort mode will OFF.
DHW Cancellation Function
DHW mode h s priority over CH mode, but DHW c n be turned off. Turn DHW control knob
(fig. 8) fully nti clockwise. In DHW c ncell tion zone, it is not possible to h ve domestic hot w ter
even if hot w ter t p is open.

System Pressure Fig 12
System pressure should be within the r nge of 0.8 b r –
1.5 b r when boiler is cold (for outside this r nge, see
below). This pressure will incre se s the system becomes
hot up to m ximum pressure of 3 b r. To check system
pressure, on / off switch must be set to ON position.
Depress button (fig 1) system pressure will be displ yed for 10 seconds.
System Re-filling
If w ter pressure f lls below 0.6 b r, re-filling will be required, this is likely to occur if r di tors re
removed / vented or system le k ge h s occured. To re-fill
1. Turn DHW & CH control knobs fully nticlockwise. Le ve on / off control knob switched
on.
2. Loc te your system filling loop. This is below your boiler on the right h nd side, where the
v lves re.
3. Remove v lve plug ends nd fit tempor ry filling loop pipe (A) fig 13
4. Open t ps 1 & 2 slowly nd llow w ter to flow
5. Press w ter pressure button on control p nel nd monitor pressure incre se
6. Fill when cold to pproxim tely 1 b r. (cold r nge 0.6 – 1.5 b r) once re ched turn off filling
loop t ps. If w ter goes over pressure, reduce by dr ining sm ll mount from he ting
system dr in offs.
7. Remove filling loop copper pipe (A), refit plug ends nd reset DHW & CH control knobs to
required temper tures.
Frost Protection
The bolier will go on nd off utom tic lly depend nt upon boiler w ter temper ture to protect the
w ter circuits g inst freezing. When the ppli nce is in st nd-by mode if the system w ter
temper ture is less th n 5 °C, the boiler st rts s if there w s CH dem nd until 19 °C is re ched.
: The appliance must be on stand-by mode to activate frost protection system.
Service Mode
Service mode should only be used by qu lified engineer.
Should the boiler be put into service mode ccident lly,
turn CH control to off position for 20 seconds then b ck to
required temper ture. If left service mode will termin te
utom tic lly fter 10 minutes.
Fig 14
Remov ble pipe (A) with
thump screws & w shers
5
Filling T p 2
Filling t p 1
Fig 13

User Self Help Fault Guide
This guide is intended for user's self help only. For technic l in depth f ult finding ple se see
inst ll tion & service instructions.
Your Confeo Premix boiler h s built in self checking function nd f ult di gnosis displ y. These
f ult codes will help to interpret the n ture of f ult. Some f ults conditions will be reset by pressing
the Reset Push-button / Burner LED (fig 1) which will be RED if f ult condition occurs or
by n utom tic reset if f ult is corrected.
F ult finding ctions should only be under t ken where user is competent to undert ke. T ble 1
F ult Displ y Remedy
LED displ y not lit up Check on / off control knob is on.
Check extern l fused switch is on.
Are ll house electrics on
Repl ce 3 mp fuse in fused switch.
No DHW when t p
opened (LED displ y on)
Ensure good flow from t p or try
different t p.
M ke sure DHW knob is not set to
DHW c ncell tion mode
No Centr l He ting
(LED displ y on)
Turn CH control knob to m ximum.
Check extern l time clock nd room
thermost t re c lling for he t.
(set to m ximum)
No Centr l He ting
DHW indic tion on
Check if t ps re running / le king
No CH or DHW
Displ y shows 40
Low System Pressure
Press pressure button, pressure must
be t le st 0.6 b r. If below follow
re-filling instructions
No CH or DHW – LED
light red, displ y shows 4
Press Red LED to re-set, if f ult
code re ppe rs.
Check G s supply is on nd in credit
Check Condens te dr in is not
blocked
This is only a brief summary of the fault codes that may be displayed. In the event of other
fault codes being displayed, please contact your installer to investigate if a system or product
fault exists.
ECA Warranty Service Helpline 0845 4637 803
Loc l C ll r te ch rges pply
Web self help www.ec he ting.com/selfhelp
Registered Office - ECA He ting UK Ltd – 1 Br y Pl ce, London SW3 3LL
6