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Honeywell W6215 Series Product Data page 27

Economizer logic modules for ventilation control
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Table 6. Checkout For W6215, W7215, W7460 Economizer Connected To Honeywell Actuator.
Step
1.
CHECKOUT PREPARATION
a. Disconnect power at TR and TR1.
b. Disconnect devices at P and P1, and Q and Q1.
c. Jumper P to P1, and Q to Q1.
d. Turn minimum position potentiometer fully CCW.
e. Turn maximum position potentiometer fully CW.
f. Place 6.8K ohm resistor across T and T1.
g. Jumper TR to 1.
h. If connected, remove C7400 Enthalpy Sensor from terminals S
Connect 1.2K ohm 4074EJM Checkout Resistor across terminals S
i. Set both ISI and Exhaust potentiometers fully CCW.
j. Put 620 ohm resistor across S
k. Set enthalpy potentiometer to D.
l. Apply power (24 Vac) to terminals TR and TR1.
2.
DIFFERENTIAL ENTHALPY
a. Execute step one, Checkout Preparation.
b. Place 620 ohm resistor across S
c. Place 1.2K ohm resistor across S
d. Remove 620 ohm resistor from S
3.
SINGLE ENTHALPY
a. Execute step one, Checkout Preparation.
b. Set enthalpy potentiometer to A (fully CCW).
c. Set enthalpy potentiometer to D (fully CW).
4.
ISI AND EXHAUST
a. Execute step one, Checkout Preparation.
b. Ensure terminals AQ and AQ1 are open.
c. Connect 9V battery positive to AQ and negative to AQ1.
d. Turn Exhaust potentiometer CW until Exhaust LED turns off.
e. Turn ISI potentiometer CW.
f. Turn ISI and Exhaust potentiometers CW until Exhaust LED turns on.
5.
FREEZE PROTECTION
a. Execute step one, Checkout Preparation.
b. Connect 9V battery positive to AQ and negative to AQ1.
c. Remove 6.8K ohm resistor from T and T1.
d. Replace 6.8K ohm resistor across T and T1.
6.
MINIMUM AND MAXIMUM POSITION
a. Execute step one, Checkout Preparation.
b. Connect 9V battery positive to AQ and negative to AQ1.
c. Turn maximum position potentiometer to midpoint.
d. Turn maximum position potentiometer to fully CCW.
e. Turn minimum position potentiometer to midpoint.
f. Turn minimum position potentiometer fully CW.
Checkout Procedure
and +.
R
and +.
O
and +.
R
and +.
O
W6215, W7215, W7460 ECONOMIZER LOGIC MODULES
Free Cool, Unit Control, Indoor Fan, and Exhaust Fan contacts are open.
-
and +.
O
and +.
O
-
-
Free cool LED turns on.
Free cool LED turns off.
-
Free cool LED turns on.
Free cool LED turns off.
-
LED for both ISI and Exhaust should be off.
Actuator drives fully closed.
LED for both ISI and Exhaust turn on.
Actuator drives 90 to 95 percent open.
Exhaust LED turns off with potentiometer at approximately 90 percent.
Actuator remains in position.
ISI LED turns off with potentiometer at approximately 9V.
Actuator drives fully closed.
45 seconds after Exhaust LED turns on, Exhaust contacts close.
-
LED for both ISI and Exhaust turn on.
Actuator drives 90 to 95 percent open.
Exhaust LED turns off. Actuator drives fully closed.
Exhaust LED turns on. Actuator drives 90 to 95 percent open.
-
ISI LED turns on. Actuator drives 90 to 95 percent open.
Actuator drives to between 20 and 80 percent open.
Actuator drives fully closed.
Actuator drives to between 20 and 80 percent open.
Actuator drives fully open.
27
Proper Response
63-2544—3

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