Coster B 335 Quick Start Manual

MODULATING ELECTRONIC ROOM CONTROLLERS
FOR UNDERFLOOR PANELS
RTP 82
Eng.
• Power supply 220/240 Volt ac; IP 20 protection
• One modulating output with PI control action and voltage-free SPDT contacts
• 24-hour or 7-day time switch
• Maximum flow temperature limit (45 °C)
APPLICATION
RTP 82 is designed for the control of mixing or diverting valves
operated by reversible actuators (3-wire electric control), for the
regulation of room temperature and of the maximum flow tempe-
rature limit (45 °C) in underfloor heating systems:
• Single-family dwellings
• Flats with autonomous heating
• Residential complexes with zone heating.
• Single spaces in industrial or craft premises
MODELS
Model
RTP 825 With 24-hour quartz time switch and room detector incorporated
RTP 826 With 7-day quartz time switch and room detector incorporated
RTP 825/D With 24-hour quartz time switch and remote room detector
RTP 826/D With 7-day quartz time switch and remote room detector
ESSENTIAL ACCESSORIES
No.
For all models :
1 Immersion flow temperature detector
For /D models :
1 or 4 Room temperature detectors (4 for large spaces)
or 2 Room temperature detectors (for large spaces)
OPERATING DIAGRAMS
Controller with room detector incorporated
Y
E1
B1 – Flow detector
– Room detector
B2
We reserve the right to make changes without notice
COSTER
Description
COSTER RTP 82
12
9 3
15
6
20
B1
T
M
E1 – Boiler
– Underfloor panels
E2
Description
Model
SIH 010
SDA 010
SDA 020
Controller with remote room detector
N1 N2
12
9 3
6
Y
E2
E1
N1 – RTP 82 .. controller
N2 – RTP 82 .. /D controller
B 335 -RTP 82 Eng
Sensing element Symbol
NTC 10 kΩ B1
NTC 10 kΩ B2
NTC 20 kΩ B2
COSTER RTP 82
15
20
B1
T
M
M – Plant pump
Y – Mixing valve
03.93
B 335
03.93
Data sheet
N 140
N 110
N 110
fig. 1
B2
E2
1