Johnson Controls TCN-890x Specifications

tcn890xs
TCN-890x
Electronic Room Thermostat
tcb-890x cat01.tif
Description
The TCN-8900 Series is a family of analog
electronic controllers designed to control
heating and/or cooling valves or dampers.
The TCN-8901 has two 0 to 10 VDC
proportional outputs, one for heating and one
for cooling. The TCN-8906 has two On/Off

Specifications

TCN-890x Series Electronic Room Thermostat
Power Requirements 24 VAC ±15% at 50/60 Hz, Class 2
Power Consumption 1.5 VA with No Load
Remove Factory-Installed Jumper on Screw
Unoccupied Input Terminal Block;
Inputs
Fixed 9F° (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°)
(Model TCN-8906 Only) 0.4 to 4F°
(0.2 to 2C°) ;
Adjust-
Differential
Independent Adjustments for RA and DA
ments
Outputs
(Model TCN-8901 Only) 2 to 7F° (1 to 4C°);
Proportional
Independent Adjustments for RA and DA
Band
Outputs
Analog, 0 to 10 VDC, 10 mA Maximum;
TCN-8901
Output Normal State is Off
Output
On/Off, Triac 24 VAC, 0.5 A Maximum;
TCN-8906
Output Normal State is Off
Field Connections Screw Terminals for 24 to 14 AWG Wire
Standard Bases for Surface or U.S. Wallbox
Mounting
Mounting, Including Hardware
White Plastic Cover with Dark Gray Plastic
Housing
Mounting Base
Protection NEMA 1, IP30 (IEC 60529)
32 to 122°F (0 to 50°C) 10 to 95% RH
Operating
(Noncondensing)
Ambient
Conditions
-4 to 158°F (-20 to 70°C) 10 to 90% RH
Storage
(Noncondensing)
Dimensions (H x W x D) 3.15 x 3.15 x 1.30 in. (80 x 80 x 33 mm)
CE Compliance: EMC (89/336 EEC)
According to the Standard EN 50081-1 and
Agency Listings
EN 50082-1
FCC and DOC Compliant
The performance specifications are nominal and conform to acceptable industry standards. For applications at conditions beyond t hese specifications, consult the local Johnson
Controls office. Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products.
1900160 9thcc:na -
triac outputs, one for heating and one for
cooling, capable of switching 0.5 A at 24 VAC.
The dual-scale setpoint dial enables the room
occupant to adjust the thermostat setpoint
within the range of 54 to 82°F (12 to 28°C).
Johnson Controls offers an optional Dial Stop
Screw Kit for applications where fixing or
limiting adjustment to the temperature range
is appropriate.
Features
• small, compact package provides similar
look and feel to the Metastat sensors
• local setpoint provides easy wiring and
installation
• globally scaled unit includes setpoint scale
in both Fahrenheit and Celsius ranges
54 to 82°F (12 to 28°C)
• universal quick-mount design saves time
and simplifies installation
Selection Chart
Code Number
TCN-8901-2161
TCN-8906-2161
Note:
Accessories
Code Number
ACC-INSL-0
ACC-INSL-1
T-4000-119
TM-9100-8901
TM-9100-8931
Repair Parts
Code Number
TE-67E0-600
TE-67W-600
1/2
Controls Group 507 E. Michigan Street
P.O. Box 423, Milwaukee, WI 53202
Code No. LIT-1900160
pending
• thermostat includes wallbox and surface
mounting plates and all installation
hardware to mount directly to drywall or a
standard U.S. wallbox
• models include an adjustable deadband:
- TCN-8901 has 0 to 10 VDC Reverse
Action (RA) and Direct Action (DA)
outputs that feature separate proportional
band adjustments
- TCN-8906 has two On/Off RA and DA
triac outputs that feature separate
differential adjustments
Applications
The TCN-8900 Series features separate
RA/DA outputs for automatic changeover of
heating and cooling applications.
To Order
Specify the code number in the following
selection chart.
Description Outputs (2)
0 to 10 VDC Analog RA
Electronic
0 to 10 VDC Analog DA
Room
On/Off RA Triac
Thermostat
On/Off DA Triac
Setpoint range: 54 to 82° ° ° ° F (12 to 28° ° ° ° C)
Description
Foam Pad Kit for Wallbox Mounting (10 per package)
Foam Pad Kit for Surface Mounting (10 per package)
Allen-Head AdjustmentTool (30 per package)
Dial Stop Screws Kit (100 self-tapping screws per package)
Plastic Surface Mounting Kit
Description
Replacement End Caps (10 per package)
Wallbox Mounting Kit
Rev:
04/15/02
logo:
left ft:
right ft:
standard
Sect# = 0
seQ# = 8
Sensor
Input
Built-in
© 08/02 Johnson Controls, Inc