T24-V42(-V02)BAC Room Control Module BACnet
T24-V42(-V02)BAC Room Control Module BACnet
T24-V42(-V02)BAC Room Control Module BACnet
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Subject to technical change V2.2 08122010<br />
<strong>T24</strong>-<strong>V42</strong>(-<strong>V02</strong>)<strong>BAC</strong> <strong>Room</strong> <strong>Control</strong> <strong>Module</strong> <strong>BAC</strong>net<br />
Product overview<br />
The <strong>T24</strong>-<strong>V42</strong>(-<strong>V02</strong>)<strong>BAC</strong> <strong>Room</strong> <strong>Control</strong> <strong>Module</strong> is<br />
specifically designed for VAV applications with<br />
direct link to <strong>BAC</strong>net® network.<br />
Features<br />
On-board LED indication without cover removal<br />
Built-in room control applications<br />
PI control algorithm<br />
Operating modes: Normal, Economy and Standby<br />
Minimum setpoint limitation<br />
Memory storage<br />
Brief description<br />
The <strong>T24</strong>-<strong>V42</strong>(-<strong>V02</strong>)<strong>BAC</strong> <strong>Room</strong> <strong>Control</strong> <strong>Module</strong> offers the advantages of network control via <strong>BAC</strong>net® Master-Slave/Token-Passing<br />
(MS/TP) protocol. This controller features memory storage, analogue input, digital input, analogue output, 3 x AC 24V digital outputs,<br />
MP-Bus interface for connection to the Belimo VAV Compact and optional <strong>T24</strong>-MP <strong>Room</strong> Unit or TG-R10000 <strong>Room</strong> Sensor.<br />
Suitable for new or existing VAV system installations.<br />
The <strong>T24</strong>-<strong>V42</strong>(-<strong>V02</strong>)<strong>BAC</strong> <strong>Room</strong> <strong>Control</strong> <strong>Module</strong> conforms to the <strong>BAC</strong>net® MS/TP protocol for open communication and interoperability<br />
with third party <strong>BAC</strong>net® devices, providing greater freedom in system design.<br />
Technical data<br />
Nominal voltage AC 24V 50/60Hz<br />
Power supply range AC 19.2...28.8V<br />
Wiring terminals<br />
2<br />
Screw terminals, 0.5...2.5mm<br />
Power consumption: <strong>T24</strong>-<strong>V42</strong><strong>BAC</strong> 6.0VA @ AC 24V, 50/60 Hz<br />
<strong>T24</strong>-<strong>V02</strong><strong>BAC</strong> 3.5VA @ AC 24V, 50/60 Hz<br />
Communication - <strong>BAC</strong>net® Master-Slave/Token-Passing (MS/TP) protocol<br />
Functional profile <strong>BAC</strong>net Application Specific <strong>Control</strong>ler (B-ASC)<br />
Firmware Native <strong>BAC</strong>net® firmware<br />
Band rate (Auto detection) 9,600, 19,200, 38,400 (default) or 76,800bps<br />
Network address<br />
Max. can support up to 0x7F (default = 0x7F)<br />
Device address Max. can support up to 0x3F FF FF (default = 0x00 00 00)<br />
Conductors, cables 22AWG standard, 3-wire twisted, Shielded cable<br />
Cable length in accordance with <strong>BAC</strong>net® bus standard<br />
Communication - MP-Bus Standard Belimo MP connection<br />
Input / output control<br />
Analog input x 1 (Type NTC, 10kOhm@25°C, sensing range 0...40°C)<br />
(AO, DO only available for <strong>T24</strong>-<strong>V42</strong><strong>BAC</strong>)<br />
Analog output x 1 (2...10V, max. 5mA)<br />
Digital input x 1 (Dry contact, max. 10mA)<br />
Digital output x 3 (AC 24V, SELV, max. 1A)<br />
Application selection Application number selectable via <strong>T24</strong>-MP <strong>Room</strong> Sensor; can be<br />
overridden by BMS<br />
LED indications<br />
- Power<br />
- Digital output 1 ~ 3 (Only for <strong>T24</strong>-<strong>V42</strong><strong>BAC</strong>)<br />
- <strong>BAC</strong>net® communication status<br />
Protection class<br />
III Safety extra-low voltage<br />
Degree of protection IP20<br />
Low-voltage directive CE according to 2006/95/EC<br />
EMC directive CE according to 2004/108/EC<br />
Ambient conditions 0...+50°C<br />
Non-operating temperature -10...+60°C<br />
Ambient humidity range 5...95% RH, non-condensing<br />
Weight: <strong>T24</strong>-<strong>V42</strong><strong>BAC</strong> 250g<br />
<strong>T24</strong>-<strong>V02</strong><strong>BAC</strong> 230g<br />
Dimensions (L x W x H) 130 x 106 x 49.2mm<br />
Mounting 2 x Screws provided or DIN rail 35mm<br />
To be opened by accredited servicing agents only<br />
Electronic control - Type 2.B action (micro-disconnection operation)<br />
Separate collection for electrical and electronic equipment<br />
1
<strong>T24</strong>-<strong>V42</strong>(-<strong>V02</strong>)<strong>BAC</strong> <strong>Room</strong> <strong>Control</strong> <strong>Module</strong> <strong>BAC</strong>net<br />
Application number selection<br />
100<br />
%<br />
Heating Cooling<br />
Vmax<br />
W<br />
No. 10 Cool Only No. 51 Cool + parallel fan<br />
3-point reheat with deadband<br />
1K reheat switching differential<br />
No. 20 Heat (or Cool) ** No. 61 Cool + parallel fan<br />
Modulating reheat with deadband<br />
No. 30 Cool<br />
Electric reheat 1 stage with deadband<br />
1K reheat switching differential<br />
No. 40 Cool<br />
Electric reheat 2 stages with deadband<br />
1K reheat switch differential<br />
No. 50 Cool<br />
3-point reheat with deadband<br />
No. 60 Cool<br />
Modulating reheat with deadband<br />
No. 21 Cool + parallel fan<br />
with deadband<br />
No. 31 Cool + parallel fan<br />
Electric reheat 1 stage with deadband<br />
1K reheat switching differential<br />
No. 41 Cool + parallel fan<br />
Electric reheat 2 stages with deadband<br />
1K reheat switching differential<br />
1K reheat switching differential<br />
No. 12* Cool Only + series fan<br />
No. 22* Heat (or Cool) + series fan **<br />
No. 32* Cool + series fan<br />
Electric reheat 1 stage with deadband<br />
1K reheat switching differential<br />
No. 42* Cool + series fan<br />
Electric reheat 2 stages with deadband<br />
1K reheat switching differential<br />
No. 52* Cool + series fan<br />
3-point reheat with deadband<br />
No. 62* Cool + series fan<br />
Modulating reheat with deadband<br />
The above room control applications are pre-stored in the <strong>T24</strong>-<strong>V42</strong>(-<strong>V02</strong>)<strong>BAC</strong> <strong>Room</strong> <strong>Control</strong> <strong>Module</strong>. Application number can be<br />
selected via the <strong>T24</strong>-MP <strong>Room</strong> Unit through MP-Bus commands or by communication network <strong>BAC</strong>net. (Factory setting = 10)<br />
Detailed information can be found in operation manual.<br />
Status output by room control module<br />
When the <strong>T24</strong>-<strong>V42</strong>(-<strong>V02</strong>)<strong>BAC</strong> <strong>Room</strong> <strong>Control</strong> <strong>Module</strong> communication with the building management system (BMS) via <strong>BAC</strong>net®<br />
protocol, then the following information or reset values will included:<br />
Heating / cooling mode status<br />
Heating / cooling setpoint<br />
Operating mode<br />
- Normal<br />
- Standby<br />
- Override<br />
- Economy<br />
<strong>Room</strong> temperature value<br />
Fan / heater status<br />
Temperature setpoint<br />
V’min, V’max value setting<br />
Relative flow control in %<br />
Air flow value in CFM<br />
Damper position in %<br />
Vmin<br />
T [ 0 T [ C] 0C] Heat mode<br />
#20: Heat or Cool Econ mode<br />
%<br />
100<br />
El. 1<br />
Fan<br />
Cooling<br />
Vmax<br />
Vmin<br />
T [ 0 T [ C] 0C] #31:<br />
1K DB<br />
W<br />
reheat & fan<br />
Cool + Parallel fan + 1-stage El. reheat Econ mode<br />
xxx<br />
VAV Compact<br />
<strong>T24</strong>-<strong>V02</strong><strong>BAC</strong> functions under in Application 10 & 20<br />
<strong>Control</strong> <strong>Module</strong><br />
* Series fan will always ON<br />
** Factory setting = Heat<br />
<strong>T24</strong>-MP<br />
*Max. of 2 VAV boxes<br />
connected together <strong>BAC</strong>net®<br />
To be opened by accredited servicing agents only<br />
Electronic control - Type 2.B action (micro-disconnection operation)<br />
Separate collection for electrical and electronic equipment<br />
2
<strong>T24</strong>-<strong>V42</strong>(-<strong>V02</strong>)<strong>BAC</strong> <strong>Room</strong> <strong>Control</strong> <strong>Module</strong> <strong>BAC</strong>net<br />
Wiring diagram<br />
Input & output assignment<br />
Inputs<br />
Electrical heaters,<br />
parallel/series fan<br />
(3 x DO)<br />
Software<br />
reflash<br />
System<br />
reset<br />
Analogue<br />
output (AO)<br />
2-10Vdc<br />
- AI External temp. sensor TG-R10000 *<br />
- DI Remote setpoint shift, e.g. Occupancy sensor *<br />
Open - Normal mode, Close - Economy mode<br />
Dimensions [mm]<br />
1 2 3<br />
AC 24V<br />
Power<br />
supply<br />
Power DO1 DO2 DO3 Signal<br />
External<br />
sensor (AI)<br />
NTC 10k<br />
MP BUS ®<br />
Digital input<br />
(DI)<br />
MP-Bus (MP1~3)<br />
<strong>BAC</strong>net<br />
3-point<br />
reheat<br />
valve<br />
M<br />
* Optional<br />
Heater<br />
1<br />
Com DO1 Com DO2 Com DO3<br />
M<br />
Heater<br />
2<br />
*Power<br />
supply<br />
To be opened by accredited servicing agents only<br />
Electronic control - Type 2.B action (micro-disconnection operation)<br />
Separate collection for electrical and electronic equipment<br />
Outputs<br />
-<br />
-<br />
-<br />
Fan<br />
*Relay<br />
supplied<br />
by others<br />
AC 24V<br />
Com AO Com AI DI Com<br />
External<br />
sensor<br />
NTC 10k<br />
(TG-R10000)<br />
Caution: live voltage<br />
xxx Only available for <strong>T24</strong>-<strong>V42</strong><strong>BAC</strong><br />
1A fuse<br />
1 2 5<br />
Occupancy<br />
sensor<br />
AC 24V<br />
~ �<br />
1 A<br />
24V<br />
ac<br />
Com MP1 MP2 MP3<br />
1 2 2 3 5<br />
D+ D- Com SHLD<br />
AO Modulating reheat control DC 2...10V<br />
DO1 Heating output I AC 24V ON/OFF<br />
DO2 Heating output II AC 24V ON/OFF<br />
- DO3 Parallel or series fan output AC 24V ON/OFF<br />
106<br />
1 2 3 5<br />
VAV Compact<br />
To<br />
Next Device<br />
MS/TP MS/TP<br />
From<br />
Last Device<br />
<strong>BAC</strong>net®<br />
System<br />
reset<br />
VAV Compact<br />
49.2 3
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