Siemens HOTEL SOLUTION HTC3.2 Series, Quick Start Manual, Page: 9 / 10

Installation Suitable for flush mounting in rectangular
flush-mounting box or rounded hollow wall
box
HTC3.2/BB and HTC3.2/BW
HTC3.2/VB and HTC3.2/VW 3 modules
Bticino 503E (angular),PS563N (round)
Vimar V71613 (round), V71304
(angular)
Color Operator panel Pantone black 7U2Y
Dimensions HTC3.2/BB – Bticino frame L4703
HTC3.2/BW – Bticino frame N4703
HTC3.2/VB – Vimar frame 16713
HTC3.2/VW – Vimar frame 20613
(without cover; and see dimension
diagrams) 115 mm x 72 mm x 25 mm
114 mm x 72 mm x 25 mm
118 mm x 75 mm x 26 mm
118 mm x 75 mm x 26 mm
Weight Excluding packaging
With packaging 0.066 kg
0.084 kg
Connection diagrams
1 Serial port, RS485+
2 Serial port, RS-485 –
3 DC 12 V operating voltage
1 2 3 4 5 6
(G
N
D
)
(D
C
1
2
V
)
63
20
G
01
4 DC 0 V operating voltage
Connection terminals
S2 HTC3.2 room operator unit
(external temperature sensor)
B1 Temperature sensor
10 k Ω NTC
(e.g. HSE1.1, HSE1.2)
1 2 3 4 5 6
1 2 3 4
S2 B1
N1
X12
63
2
0A
01
N1 HRC3.1 room controller
Connection diagram
HTC3.2 – external
temperature sensor
S2
HTC3.2 room operator unit
(internal temperature sensor)
1 2 3 4 5 6
1 2 3 4
S2
N1
X3
63
20
A
02
N1 HRC3.2 room controller
Connection diagram
HTC3.2 – internal
temperature sensor
9/10
Building Technologies HTC3.2/.. - Room operator unit CM2N6320en
01.09.2008