Worcester RT 10 User manual

Installation and Operating Instructions
Room temperature controller for
heating appliances with
bus-enabled Heatronic 3 and TD 200
RT 10
6 720 612 218-00.1R
Order no 7 719 002 505
6 720 612 218 GB (05.09) OSW
INSTALLATION,
USER INSTRUCTIONS &
CUSTOMER CARE GUIDE
6720 612 218-00.1R
RT 10
ROOM TEMPERATURE CONTROLLER
FOR WORCESTER HEATING APPLIANCES
WITH BUS-ENABLED HEATRONIC 3 AND TD 200
7719 002 505

2
6 720 612 218 GB (05.0 )
Dear customer,
Congratulations on having d cid d in
favour of a top-quality product from our
company.
Th RT 10 off rs v rything you can
xp ct from a mod rn h ating control:
It is both r liabl and n rgy saving.
Lik all Bosch Group products, th
RT 10 has b n produc d and t st d
according to th most string nt quality
standards so that you can njoy th
WORCESTER warmth for a long tim
to com .

3
Contents
6 720 612 218 GB (05.0 )
Contents
Safety precautions 4
Symbols 4
1 Technical data for
the accessory item 5
1.1 Standard package 5
1.2 Technical data 5
1.3 Accessories 5
1.4 Description of function 6
2 Installation 7
2.1 Assembly 7
2.2 Electrical connections
3 Operation 10
3.1 Change required room
temperature, time limited (a) 11
3.2 Advance the next
switching time and the
associated operating
mode to the current time
(b) (Advance Heating) 11
3.3 Frost protection 12
3.3.1 Room frost protection 12
3.3.2 Frost operating mode 12
3.4 Further operation and
features 12
4 General information 13
5 Troubleshooting 14

4
Safety precautions
6 720 612 218 GB (05.0 )
Safety precautions
B Th s instructions must b
obs rv d to nsur corr ct op ra-
tion.
B Th acc ssori s should b install d
by an authoris d h ating install r
only.
B Only us th s acc ssori s in con-
junction with th h ating applianc s
list d. Obs rv conn ction dia-
gram!
B N v r conn ct this acc ssory it m
to th 230 V mains l ctricity sup-
ply.
B B for ass mbling th s acc sso-
ri s:
Int rrupt voltag supply (230 V AC)
to th h ating applianc and all
additional d vic s using th bus.
B Do not install this acc ssory in
damp ar as.
Symbols
Signal words indicat th s riousn ss
of th hazard in t rms of th cons -
qu nc s of not following th saf ty
instructions.
• Caution indicat s that minor dam-
ag to prop rty could r sult.
• Warning indicat s that minor p r-
sonal injury or s rious damag to
prop rty could r sult.
• Danger indicat s that s rious p r-
sonal injury could r sult. In particu-
larly s rious cas s, liv s could b at
risk
Not s contain important information in
cas s wh r th r is no risk of p rsonal
injury or damag to prop rty.
Safety instructions in
this docum nt ar id nti-
fi d by a warning-trian-
gl symbol and ar
print d on a gr y back-
ground.
i
Notes ar id ntifi d
by th symbol shown
on th l ft. Th y ar
bord r d by horizon-
tal lin s abov and b -
low th t xt.

5
Technical data for the accessory item
6 720 612 218 GB (05.0 )
1 Technical data
for the accessory
item
Th RT 10 allows th control of th
room t mp ratur of an unmix d h at-
ing circuit.
1 1 Standard package
Room t mp ratur controll r RT 10
1 2 Technical data
1 3 Accessories
T xt display TD 200
i
Only us th RT 10 in
h ating syst ms with
bus- nabl d
H atronic 3 in th h at-
ing applianc and
TD 200.
Dimensions Figur 1, pag 7
Nominal voltage
bus supply
10...24 V DC
15 V DC
Mains supply ≤ 3.5 mA
Controller output Bus
Control range approx. 5...30˚C
in 0.5 K incr m nts
permissible ambi-
ent temperature 0... +50 °C
Class of
protection III
Type of
protection IP20

6
Technical data for the accessory item
6 720 612 218 GB (05.0 )
1 4 Description of function
• Th int grat d t mp ratur s nsor
indicat s th current room tem-
perature to th TD 200. Th cur-
r nt room t mp ratur is shown on
th display.
• If Automatic mod is activ on th
TD 200, it is possibl via th RT 10
to s t th required room temper-
ature r strict d to a c rtain tim
(s Chapt r 3.1 on pag 11)
• If Automatic mod is activ on th
TD 200, th n xt switching tim
and associat d op rating mod
can b advanc d to th curr nt tim
( Advance Heating ) (s
Chapt r 3.2 on pag 11).
Optimum Start
This function on th TD 200 can b
switch d on and off and is only acti-
vat d wh n in Automatic mod . Th
RT 10 must display auto .
Optimum Start d lays th h ating start
aft r an conomy phas .
To nsur that th r quir d room t m-
p ratur is r ach d approx. 1 hour
aft r th programm d switching tim
High , th TD 200 calculat s th
optimum tim point for th h ating
start.
Exampl :
• d sir d room t mp ratur : 21 ˚C
• curr nt room t mp ratur : 16 ˚C
• Factor for room h ating: 1 K in
10 minut s
To r ach th d sir d room t mp ra-
tur , th h ating r quir s 50 minut s
on account of th 5 K diff r nc .
Th r for , th h ating starts only
10 minut s aft r High th pro-
gramm d switching tim .

7
Installation
6 720 612 218 GB (05.0 )
2 Installation
2 1 Assembly
Th control quality of th RT 10
d p nds on th installation location.
Th installation location must b suita-
bl for controlling th ntir h ating
syst m.
Fig. 1 Select installation location
Fig. 2 Remove front casing
Danger:
risk of l ctric shock!
B B for installing
th s acc ssori s:
Int rrupt voltag
supply (230 V AC)
to th h ating appli-
anc and all addi-
tional d vic s using
th bus.
6 720 612 218-02.1J
1,0 m
1,2 m
0,75 m
85 mm
100 mm
35 mm
25 mm
0,6 m
1.
2.
3.
6 720 612 218-04.1R

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Installation
6 720 612 218 GB (05.0 )
Fig. 3 Fasten base plate to the wall
B Mak all l ctrical conn ctions (s
Fig. 4).
B R plac front cov r.
6 720 612 218-05.1R
6 mm 3,5 mm6 mm
3,5 mm

Installation
6 720 612 218 GB (05.0 )
2 2 Electrical connections
B Bus conn ction from th RT 10 to
additional d vic s using th bus
( . g. TD 200):
Us l ctrical cabl s corr spond-
ing to typ H05 VV-... (NYM-I...)
minimum.
P rmissibl cabl l ngths from th
bus- nabl d H atronic 3 circuit board
to RT 10:
B To avoid inductiv influ nc s, s pa-
rat all l ads carrying low voltag
from lin s of 230 V or 400 V (mini-
mum spacing 100 mm).
B Shi ld th cabl s in th cas of
xt rnal inductiv influ nc s.
This nsur s that th l ads ar
shi ld d against xt rnal influ nc s
( .g. h avy curr nt cabl s, ov r-
h ad contact wir s, transform r
stations, radio and t l vision appli-
anc s, amat ur radio stations,
microwav applianc s tc).
Fig. 4 Connect RT 10 to the bus enabled Heatronic 3.
Cable length Cross section
≤ 80 m 0.40 mm
2
≤ 100 m 0.50 mm
2
≤ 150 m 0.75 mm
2
≤ 200 m 1.00 mm
2
≤ 300 m 1.50 mm
2
TD 200
124BB
RT 10
BB
6 720 612 218-03.1J
ST 19
Heatronic 3
AF

10
Operation
6 720 612 218 GB (05.0 )
3 Operation
Fig. 5
Operating elements
a S l ction knob :
Chang th r quir d room
t mp ratur until th n xt
switching tim of th h ating
program
b Button :
Advanc s th n xt switching
tim and th associat d
op rating mod
= High
= Low
= Frost
to th curr nt tim
6 720 612 218-01.1J
auto
ab
Symbols
Curr nt room t mp ratur
High
Low
Frost
auto Automatic mod
N xt switching tim and
associat d op rating mod
= High
= Low
= Frost
advanc d to th curr nt tim
Burn r on symbol
i
S t th flow t mp ra-
tur controll r on th
h ating applianc to
th maximum inl t
t mp ratur r quir d.
Operating elements

11
Operation
6 720 612 218 GB (05.0 )
3 1 Change required
room temperature,
time limited (a)
If th RT 10 displays auto :
B Us th s l ction button to
chang th required room tem-
perature for th curr nt op rating
mod / / b tw n 5.0˚C
... 30˚C.
Th r quir d room t mp ratur is
bri fly display d flashing in th dis-
play inst ad of th curr nt room
t mp ratur . Th chang to th
r quir d room t mp ratur r mains
activ until th n xt switching tim
of th h ating program. Aft r this
th room t mp ratur for th corr -
sponding op rating mod pro-
gramm d on th TD 200 appli s
again.
If th RT 10 calls for h at, th boil r
op rat s until th s t room t mp r-
atur is r ach d.
3 2 Advance the next
switching time and
the associated oper-
ating mode to the
current time (b)
(Advance Heat-
ing)
If th RT 10 displays Automatic mod
auto :
B Pr ss th button to advanc th
n xt switching tim and th associ-
at d op rating mod
= High
= Low
= Frost
to th curr nt tim .
is shown on th display and th
corr sponding symbol also app ars
to indicat th chang of op rating
mod / / .
i
If inst ad of th r -
quir d room t mp ra-
tur -- is display d,
th room t mp ratur
cannot b chang d.
i
This function is for us
in cas of un xp ct d
h ating d mands.
i
If two lin s -- ar dis-
play d inst ad of ,
th function is not
availabl .

12
Operation
6 720 612 218 GB (05.0 )
3 3 Frost protection
3 3 1 Room frost protection
If th t mp ratur in th room drops
b low 5˚C, th h ating is switch d on.
To maintain a minimum 5˚C room t m-
p ratur , th h ating is switch d on
and off as appropiat .
3 3 2 Frost operating mode
Th TD 200 nabl s th room t mp r-
atur for th Frost op rating mod
to b s t from 5˚C to 30˚C. With th
d fault s tting th room t mp ratur
for th room in which th RT 10 is
mount d is 7 °C.
3 4 Further operation
and features
Additional op rating options and func-
tions ar d scrib d in th TD 200 and
th boil r lit ratur . Pl as r f r to th
corr sponding op rating instructions.

13
General information
6 720 612 218 GB (05.0 )
4 General information
... Not s on saving n rgy:
• Th t mp ratur in th room wh r
th RT 10 is install d acts as a
guid param t r for th ntir h at-
ing n twork. As a r sult, th pow r
of th radiators must b s t as low
as possibl , using th rmostatic
radiator valv s.
• Control th t mp ratur in th
adjoining rooms via th rmostatic
radiator valv s.
• H at from oth r sourc s in th
room ( .g. sunshin tc.) can l ad
to th h ating in th adjoining
rooms r maining too low.
• A significant amount of n rgy can
b sav d by low ring th room t m-
p ratur . A r duction in t mp ra-
tur by 1 K (˚C) can r sult in up to
5 % n rgy saving.
• Good th rmal insulation of th
building: Th s t low t mp ratur
l v l is not r ach d. En rgy is
th r for sav d, as th h ating
r mains switch d off.
• Do not k p windows op n on v nt
s tting to v ntilat . This would con-
tinuously cool down th room with-
out significantly improving th air in
th room.
• V ntilat fully for a short tim (com-
pl t ly op n windows).
• Turn th th rmostatic valv during
v ntilation or switch to low s tting.

14
Troubleshooting
6 720 612 218 GB (05.0 )
5 Troubleshooting
In th v nt of a fault in th h ating
applianc , th display will show .g.
A7 E .
In th v nt of a fault in th RT 10, th
display will show .g. 1A4 E .
H r th figur 1 stands for a fault in
th RT 10 and th l tt r E for Error (=
fault):
B Contact a h ating xp rt.
Display Cause Remedy by an expert
1A4 E T mp ratur s nsor in th
RT 10 d f ctiv .
R plac RT 10.
1A8 E TD 200 using th bus no
long r r sponds.
Ch ck bus conn ction and, if
n c ssary, r ctify int rruption.
H ating applianc using th
bus no long r r sponds.
Ch ck bus conn ction and, if
n c ssary, r ctify int rruption.
.g.:
A7 E
Error display for th h ating
applianc .
R ctify th fault in accordanc
with th h ating applianc docu-
m ntation.

15
Troubleshooting
6 720 612 218 GB (05.0 )
Complaint Cause Remedy
R quir d t m-
p ratur not
r ach d
Th rmostatic valv (s) in
th room s t to low
Op n th th rmostatic
valv (s).
Flow t mp ratur control-
l r on th h ating appli-
anc s t too low
S t flow t mp ratur controll r
high r.
Air lock in th h ating sys-
t m
V nt radiator and h ating sys-
t m.
R quir d room
t mp ratur is
gr atly
xc d d
Installation location of th
RT 10 not suitabl , .g.
out r wall, proximity to win-
dow, draught, ...
Choos a b tt r installation
location (s Chapt r 2.1) and
hav th RT 10 mov d by a
prof ssional.
Exc ssiv room
t mp ratur
fluctuations
T mporary ff ct of h at
from oth r sourc s on th
room, .g. from sunshin ,
room lighting, TV, fir -
plac tc.
Choos a b tt r installation
location (s Chapt r 2.1) and
hav th RT 10 mov d by a
prof ssional.
T mp ratur
ris inst ad of
fall
Tim of day s t incorr ctly
on th TD 200
Ch ck s tting.
Room t mp ra-
tur too high in
low mod
Building has high d gr
of h at storag
S l ct low mod arli r.
Incorr ct or no
control
Bus conn ction d f ctiv
for th d vic s using th
bus
Hav th bus conn ction
ch ck d and, if n c ssary, r c-
tifi d by a prof ssional accord-
ing to th conn ction diagram.

INSTALLATION,
USER INSTRUCTIONS &
CUSTOMER CARE GUIDE
Worcester, Bosch Group
Cotswold Way, Warndon, Worcester WR4 SW.
Tel. [phone] Fax. [phone]
www.worcester-bosch.co.uk
orcester Bosch Group is a trading name of
BBT Thermotechnology UK Ltd.
6 720 612 218 (05/09) OS