Honeywell C7046A user manual

Summary of the content on the page No. 1

C7046A,B,C,D
Air Temperature Sensors
INSTALLATION INSTRUCTIONS
APPLICATION
2 (51) 8 (203) 1 (25)
1
1/16 (2)
The C7046 series of Air Temperature Sensors function
PLASTIC
3/4 (19)
as primary and/or secondary sensors in electronic control BUSHING
systems.
1
(25)
LOCKING PUSH
NEOPRENE
NUTS (2)
GASKET
INSTALLATION
1/4 (6)
5/16 (9) DIAMETER
DIAMETER (2 HOLES)
(BUSHING)
M22402A
1 INSERTION LENGTH DEPENDS UPON THE MODEL.
When Installing this Product...
1. Read these instructions carefully. Failure to

Summary of the content on the page No. 2

C7046A,B,C,D AIR TEMPERATURE SENSORS SYSTEM DUCT CAUTION OR PLENUM Erratic System Operation Hazard. NO. 8 (4mm) Failure to follow proper wiring practices can MOUNTING SCREWS introduce disruptive electrical interference (NOT PROVIDED) (noise). SENSOR FLANGE PROBE Keep wiring at least one foot away from large inductive loads such as motors line starters, lighting ballasts, and large power distribution panels. Shielded cable is required in installations where these guidelines cannot be met.

Summary of the content on the page No. 3

C7046A,B,C,D AIR TEMPERATURE SENSORS OPERATION AND CHECKOUT W7081 LIMIT CONTROLLER Operation The C7046A,B,C Air Temperature Sensors consist of a ECONOMIZER/MIXED AIR LOW LIMIT–A5 1 2 34 5 6 thermistor sensing element mounted in a tubular probe. C7046B (OR C7100B) They are applied at various locations throughout single MIXED AIR 50 SENSOR zone and multizone duct systems. The negative 55 60 NO JUMPER temperature coefficient (NTC) characteristic of the COLD DECK LOW LIMIT–A6 thermistor el

Summary of the content on the page No. 4

C7046A,B,C,D AIR TEMPERATURE SENSORS 120000 RESISTANCE (OHMS) 100000 1159 22,800 OHMS AT 80000 77 F (25 C) 60000 1141 40000 20000 1126 F 0 20 30 40 50 60 70 80 90 100 110 120 130 140 C 1111 -7 50 0 10 5 15 20 25 30 35 40 45 5560 TEMPERATURE (DEGREES) M17973 1096 1097 OHMS AT Fig. 8. C7046B Sensor resistance vs. temperature. 77 F [25 C] 1081 1066 1051 55 60 65 70 75 80 85 90 95 100 105 F 13 15 20 25 30 35 38 41 C M2826 TEMPERATURE (DEGREES) Fig. 9. C7046D Sensor resistance vs. temperature.