Honeywell REMOTE SENSOR T7147 - Manual (Page 2)

T7147 REMOTE SENSOR AND OVERRIDE MODULE
63-4065—1 2
ORDERING INFORMATION
When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number.
If you have additional questions, need further information, or would like to comment on our products or services, please write or
phone:
1. Your local Home and Building Control Sales Office (check white pages of your phone directory).
2. Home and Building Control Customer Relations
Honeywell, 1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386 (800) 328-5111
In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9.
International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France,
Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
SPECIFICATIONS
IMPORTANT
The T7147 is factory-calibrated. It does not require
field calibration and cannot be field adjusted.
Models:
T7147A1002 Remote Temperature Sensor & Override
Module: Connects to Q7300. Contains remote sensor,
LED and push-button switch to invoke 3 Hour Occupied
from remote location.
T7147A1010 Remote Temperature Sensor & Override
Module: Connects to Q7300. Contains remote sensor, LED
and 3 push-button switches to invoke 3 Hour Occupied and
Warmer/Cooler setpoint adjustments from remote location.
T7147A1028 Remote Temperature Sensor & Override
Module: Connects to Q7300. Same as T7147A1010 except
includes key-lock switch to enable/disable remote override
operation.
Mounting: Mounts on wall or 2 x 4 inch vertical outlet box with
screws provided.
Dimensions: See Fig. 1.
Wiring:
Maximum cable length between T7300/Q7300 and T7147:
500 ft (152 m); use 18, 20 or 22 AWG wire.
Temperature offset per 500 ft (152 m) of 2-wire sensor wire
cable (1000 ft [305 m] total length): See Table 1.
Temperature Sensor: Thermistor-resistor (NTC) element.
Sensor Resistance:
Resistance decreases as temperature increases (Fig. 2).
1420 ohms nominal at 75°F (24°C); resistance changes
15 ohms for each 1°F (0.6°C) temperature change.
Temperature Ratings:
Ambient: 40 to 110°F (4 to 43°C).
Shipping: -30 to +150°F (-34 to +66°C).
Humidity Ratings: 5 to 90% RH, non-condensing.
Accessories:
230492A Keys for T7147A1028.
Fig. 1. T7147 dimensions in in. (mm).
Table 1. Temperature Offset for Remote Sensor Wiring.
Fig. 2. T7174 Remote Sensor Resistance
change with change in temperature.
Temperature Monitored 18 AWG 20 AWG 22 AWG
50 to 90°F -0.4°F -0.7°F -1.0°F
10 to 32°C -0.3°C -0.4°C -0.6°C
3-1/4
(83)
3-3/4
(96)
4-5/8
(117)
1-13/16 (46)
3-5/8 (92)
1-1/8 (29)
1-5/8 (41)
2-13/16 (71) 1/4
(6)
M17881
COOLER
3 HOUR
OCCUPIED WARMER
NOT ALL MODELS HAVE WARMER/COOLER FUNCTION. 1
1
2000
1800
1600
1400
1200
1000
10 20 30 40 50 60 70 80 90 100
RESISTANCE
(OHMS)
1420 OHMS AT
75 F (24 C)
TEMPERATURE (DEGREES) M4034
-10 0 10 20 30 40
C
F