Fig
.
28.
Functional Flow Diagram-Hot Water
Mode.
r
··
·-
··
····
- - - - - -
---.
I
r------1
I
lr,
Tl
I
I
I
I
I
I
I
I
I
-.~~~~~.~~~-4~
I
ToT1
I
Tl
ua
•
I
---1--------------i
t
I
P~j(;A.\
VU£11
To
r~
:
w
:
br
j_
___
·~~~O>~-
~
~~~
...
__
..J
~~~;i~:;;;,~~;
~-
-
-----
•
tr-~+---
.
@ J
01
br
lr
COlOUACOOE
r
~,
,
..
bl
6LdE
bk
3LACK.
br
611.0W11
y
YEL:O'IY
p~
PIN
I\
•
VIOLET
or
CI!/>.NGE
g.'v
G
REEt-IIYELOI'i
G REY
w
WHITE
Fig.
29.
FunctioniJI
Flow Diagram- Central Heating Mode.
r - - - - - - -
--·
I
r
-------,
()!
lt'*fiU.UM:
C·
: :rlTAB.
br
"'
COLOUR
CODE
bl
BLU~
br
BROWN
pk
Pl.~t
or
ORANGE
~
GREY
br
1
RED
bk
BLACK
y
't1ll0VI'
•
VIOLET
9
1
T
G
AE
~N!YfllO'tl
w
Wtii!E
28
lr
or
,.
tr
,--------------!•'
~
~~
' ----N
• •
.,
l e:
lll!....z
_ _
111
~·
or