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Delta Controls 

Cautions and Warnings 

 

The DNT-T221 BACstat II is an electrostatically sensitive device. An ESD protection (ground 
strap) should be unnecessary if sufficient care is taken in handling because the electronics are 
contained within the product housing. 
 

 

Compliance Declarations 

 

FCC Compliance Information 

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to 
Part 15 of the FCC Rules.  These limits are designed to provide reasonable protection against harmful 
interference in a residential installation.  This equipment generates, uses, and can radiate radio frequency 
energy and, if not installed and used in accordance with the instructions, may cause harmful interference to 
radio communications.  However, there is no guarantee that interference will not occur in a particular 
installation.  If this equipment does cause harmful interference to radio or television reception, which can be 
determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one 
or more of the following measures: 

• 

Reorient or relocate the receiving antenna. 

• 

Increase the separation between the equipment and receiver. 

• 

Connect the equipment into an outlet on a circuit different from that to which the receiver is 
connected. 

• 

Consult the dealer or an experienced radio/TV technician for help. 

 

Industry Canada Compliance Statement 

ICES-003   This Class B digital apparatus meets all requirements of the Canadian Interference-Causing 

Equipment Regulations. 

 

Cet appareil numérique de la Classe B Respecte toutes les exigences du Règlement sur le matérial 
brouiller du Canada. 

 

UL Compliance Information

 

 

 

 

This product conforms to the following UL requirements: 

• 

UL916: Energy Management Equipment 

• 

CAUTION – Risk of Electric Shock – More than one disconnect switch may 
be required to de-energize the equipment before servicing 

• 

All terminals are acceptable for Class 2 circuit connection only 

• 

CAUTION – Input Class 2 Power Supplies are interconnected.  To Reduce 
the Risk of Fire or Electric Shock, Use only Class 2 sources Suitable for 
Interconnection 

• 

Use Copper Conductor Only 

• 

Select an external power supply that is certified for safety for the correct 
destination country and that has an output rating, which is considered an NEC 
Class 2 or Limited Power Source with the rating not to exceed 30 V rms, 42.4 
V peak, 100 VA. 

• 

Apply minimum 6.0 lb-in torque for tightening field wires into the terminal 
blocks. 

 

Document Edition 1.8

 

 

Page 9 of 10 

Содержание DNT-T221

Страница 1: ...damper position and more When connected on a BACnet MS TP network the DNT T221 functions as an independent BACnet thermostat When connected to a controller on a LINKnet network it provides a programma...

Страница 2: ...specify button icons if you want the default but must specify INT if you want the international button icons i e DNT T221 INT Package Contents Delta Network Thermostat BACstat II Product DNT T221 Rev...

Страница 3: ...00 ohm 77 F 25 C Humidity Sensor DNT H121B Model Only Accuracy of 2 RH from 0 100 RH 25 C VSUPPLY 2 6Vdc Display Resolution of 0 1 Stability of 1 RH typical 50 RH over 5 years Note Extended exposure t...

Страница 4: ...MS TP Connection Set via Keypad Configuration Setup or Software Setup Keypad MAC Address Range 1 to 99 per network segment Software Address Range As per the BACnet standard Supports DNA Delta s intuit...

Страница 5: ...hermistor sensor or a remotely located Thermistor is connected to IP1 The diagram to the left shows the factory default selection of the Internal 10 K Thermistor External For connecting a remotely loc...

Страница 6: ...use a wire nut to terminate all the outputs to GND 3 Ensure you use the recommended balanced cable for the network and follow the documented procedures within Delta Controls Wiring and Installation G...

Страница 7: ...ced 100 to 120 nominal impedance Twisted Shielded Pair TSP Cable Nominal capacitance of 16 PF FT or lower Nominal velocity of propagation of 66 or higher Topology For MS TP and LINKnet networks ensure...

Страница 8: ...SC 1212 H E DSC 1280 H E DSC T305 System Devices RS 485 NET1 NET2 NET1 NET2 RS 232 BACstat I BACstat II with No I O BACstat II with muxed I O I O Field Modules LINKnet Devices TRM Level 4 Network LINK...

Страница 9: ...separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV te...

Страница 10: ...4 2 1995 A1 1999 ESD Immunity ESD Immunity Level A Level A EN 61000 4 3 1996 EN 61000 4 3 1996 RF Electromagnetic Field Immunity RF Electromagnetic Field Immunity Level A Level A ENV 50204 1995 ENV 50...

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