Location And Mounting - Honeywell C7400 Manual

SOLID STATE ECONOMIZER SYSTEM
INSTALLATION: M7215, M7415,
M8405
When Installing this Product...
1. Read instructions carefully. Failure to follow them could
damage the product or cause a hazardous condition.
2. Check ratings and description given in the specifications
to make sure the product is suitable for your application.
3. Installer must be a trained, experienced service techni-
cian.
4. After installation is complete, check out product opera-
tion as provided in these instructions.
CAUTION
Electrical Shock or Equipment Damage Hazard.
Can shock individuals or short equipment
circuitry.
Disconnect power supply before installation.
CAUTION
Personal Injury Hazard.
Spring-return assembly can release.
Leave end covers attached to the motor.

Location and Mounting

Locate motor as close as possible to the equipment to be
controlled. Refer to Fig. 4 for mounting dimensions.
1. Mount motor with the shaft horizontal to ensure maxi-
mum life.
NOTE: Operation in other positions is possible when
required by the application.
2. Remove crank arm (secured with two screws) from the
motor hub.
IMPORTANT
Position crank arm on hub so it does not strike motor
mounting surface during any portion of full stroke.
See Fig. 8.
3. Reposition the crank arm to accommodate specific
damper requirements.
NOTE: Crank arm position is adjustable in eight degree
increments.
4. Reconnect crank arm to the motor hub.
5. If there is an excess length of linkage rod, cut it to size.
Make necessary minor adjustments until desired opera-
tion is obtained.
6. Tighten all nuts and set screws.
63-2484—03
MAXIMUM
OPEN
POSITION
MOTOR MOUNTING SURFACE
1 CRANK ARM FIELD ADJUSTABLE IN 7.5 DEGREE INCREMENTS.
Fig. 8. Limits of crank arm rotation.
WIRING: M7215
All wiring must comply with applicable codes and ordinances.
Refer to Fig. 9 for typical hookup.
L1
L2
2-10
VDC
CONTROL
METER INDICATING
MOTOR POSITION
(2-10 VDC)
1 DOTTED LINE REPRESENTS INTERNAL
CONNECTIONS OF THE M7215 ACTUATOR.
Fig. 9. Typical M7215 wiring.
C7046C Discharge Air Temperature
Sensor
The sensor assembly consists of an aluminum sensor probe
(element housed internally) with attached flange that can be
mounted on a flat duct or plenum surface, or in a 2 in. by 4 in.
(51 by 102 mm) junction box, using two no. 8 screws.
Connections to the sensor are made through two 6 in. (152
mm) leadwires.
Location
Locate the sensor in the air duct or plenum where it can
sample average air temperature. Avoid locations where air
stratification can cause sensing errors.
Mounting
To mount the C7046C Sensor on a flat duct or plenum surface
(see Fig. 10):
8
MAXIMUM
CLOSED
1
POSITION
M7215
TR
TR1
+
IN+
IN–
–
1
OUT
–
OUT
+
M17365
M3850