Advertisement
Technical Specifications
Product
Power Requirements
Power Consumption
Inputs
Adjustments
Output
Field Connections
Mounting
Housing
Protection
Ambient Operating
Conditions
Ambient Storage
Conditions
Dimensions (H x W x D)
Shipping Weight
Agency Listings
The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these
specifications, consult the local Johnson Controls office. Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or
misuse of its products.
Controls Group
507 E. Michigan Street
P.O. Box 423
Milwaukee, WI 53201
8
TCN-890x Electronic Room Thermostats Installation Instructions
TCN-890x Electronic Room Thermostat
24 VAC ±15% at 50/60 Hz, Class 2
1.5 VA with No Load
Unoccupied Input:
Remove Factory-Installed Jumper on Screw Terminal Block; Fixed
F° (5C°) Nominal Offset
RA/DA:
Remote Contact
Set Point
54 to 82°F (12 to 28°C)
Dead Band:
0 to 4F° (0 to 2C°)
Differential:
(Model TCN-8906 Only) 0.4 to 4F° (0.2 to 2C°);
Independent Adjustments for RA and DA Outputs
Proportional Band:
(Model TCN-8901 Only) 2 to 7F° (1 to 4C°);
Independent Adjustments for RA and DA Outputs
TCN-8901:
Analog, 0 to 10 VDC, 10 mA Maximum; Output Normal State is Off
TCN-8906:
On/Off, Triac 24 VAC, 0.5 A Maximum; Output Normal State is Off
Screw Terminals for 24 to 14 AWG Wire
Standard Bases for Surface or U.S. Wallbox Mounting, Including Hardware
White Plastic Cover with Dark Gray Plastic Mounting Base
NEMA 1, IP30 (IEC 60529)
32 to 122°F (0 to 50°C) 10 to 95% RH (Noncondensing)
-4 to 158°F; (-20 to 70°C) 10 to 90% RH (Noncondensing)
3.15 x 3.15 x 1.30 in. (80 x 80 x 33 mm)
0.50 lb (0.23 kg)
CE Compliance: EMC (89/336 EEC) According to the Standard EN 50081-1 and
EN 50082-1;
FCC and DOC Compliant
Printed in Italy
www.johnsoncontrols.com
Advertisement
