6
A 511 - DTC 628 Eng.
06.12.05 LB
We reserve the right to make changes without notice
12. EXAMPLES OF PLANTS
12.
1
A modulating boiler with zone without control valve .
12.
2
A modulating boiler with zones regulated by controllers not connected in C-Ring.
B2 – Outside temp. detector
B4 – Boiler temp detector
B7 – Flue gases temp. detector
E – Burner
E.
1
– On-Off control burner
E.
3
– Modulating control burner
F – Boiler thermostats
M – Manifold pump
M1 – DHW storage pump
No.1…n – Zone controllers
12.
3
A modulating boiler with zones regulated by controllers connected in C-Ring .
T y p e o f c o n t r o l
C O M P E N S - F I X E D P
M6.
1
in the timed programming use the room temperature :
NORMAL 1…5
,
SETBACK 1-2
,
FROSPROT
.
T y p e o f c o n t r o l
C O M P E N S - F I X E D P
M6.
1
Compensated control: in the timed programming use the room temp. :
NORMAL 1…5
,
SETBACK 1-2
,
FROSPROT
.
To ensure the necessary temp. for the storage of DHW use the CDB 301 (A) remote control operated (5-M)
by the On switch of the storage tank M1 with FIXED POINT 1 temp.
Control A Fixed Point: in the timed programming use the boiler temp.
FIXED POINT 1-2
.
T y p e o f c o n t r o l
Z O N E S
M6.
1
B2 – Outside temp. detector
B4 – Boiler temp. detector
B7 – Flue gases temp. detector
E – Burner
E.
1
– On-Off burner control
E.
3
– Modulating burner control
F – Boiler thermostats
M – Heating plant pump
A – Automatic remote control CDB 301
B2 – Outside temp. detector
B4 – Boiler temp detector
B7 – Flue gases temp. detector
E – Burner
E.
1
– On-Off control burner
E.
3
– Modulating control burner
F – Boiler thermostats
M – Manifold pump
M1 – DHW storage pump
No.1…n – Zone controllers
i n c r e a s e T Bo i l e r
f o r z o n e s : x x . x c
M1.
12