Model Numbers; Package Contents; Other Relevant Documents; Product Specifications - Delta DNT-T221 Installation Manual

DNT-T221 (Rev 4.1) Installation Guide

Model Numbers

Features
Internal Thermistor Input
Internal Humitity Input
Additional I/O
Backlighting
External Input Terminator
Button Icons
An appended button icon code must be included to specify the desired icons embossed on the buttons as
follows:
[default] Bottom 2 buttons are ▼ and ▲ (Setpoint Adjust), top 2 are OFF and ON
INT Bottom 2 buttons are ▼ and ▲ (Setpoint Adjust), top 2 are O and I – International
You need not 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 4.1)
•
DNT-T221 (Rev 4.1) Installation Guide

Other Relevant Documents

•
Delta Controls Wiring and Installation Guidelines
•
BACstat II Application Guide (for Configuration & Programming)
•
ORCAview Operator Guide
•
ORCAview Technical Reference Manual
•
BACstat II, DAC and DCU Release Notes

Product Specifications

Power Requirements
•
24V AC, 50/60 Hz (Class 2)
•
15 VA maximum (with internally powered triac at full load)
(3VA without triac loading)
Ambient Ratings
•
32º to 131º F (0º to 55º C)
•
10 to 90% RH (non-condensing)
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DNT-T221 DNT-H121B
2IP, 2AO, 1 BO 1 IP, 2 AO, 1 BO
Option B
Option X
INT INT
Document Edition 1.8