Honeywell W7212 Product Data page 21

Economizer logic modules for ventilation control
Hide thumbs Also See for W7212:
Table of Contents

Advertisement

Table 4. Checkout for W7212, W7213, W7214 Economizers Connected to Honeywell Actuator. (Continued)
Step
2.
DIFFERENTIAL ENTHALPY
Execute step one, Checkout Preparation.
Turn DCV MAX to mid position.
Place 620 ohm resistor across S
enthalpy low).
Place 1.2K ohm resistor across S
enthalpy high).
Remove 620 ohm resistor from S
3.
SINGLE ENTHALPY
Execute step one, Checkout Preparation.
Turn DCV MAX to mid position.
Set enthalpy potentiometer to A (fully CCW).
Set enthalpy potentiometer to D or E for W7212C (fully CW).
4.
DCV AND EXHAUST
Execute step one, Checkout Preparation.
LED for both DCV and Exhaust should be off.
Turn DCV MAX to mid position.
Turn MIN POS fully CW.
Turn MIN POS and DCV MAX to fully CCW.
Turn DCV MAX to mid position.
Connect 9V battery positive to AQ and negative to AQ1.
Remove jumper from N terminal (economizer goes into not occupied mode). Motor remains at 45 degrees open.
Adjust DCV MAX towards CW.
Adjust DCV MAX to fully CCW.
Reconnect jumper to N terminal.
Adjust DCV MAX and MIN POS pots.
Adjust DCV MAX and MIN POS pots to fully CCW.
Remove power from N terminal adjust MIN POS towards CW
Adjust DCV MAX towards CW.
5.
MINIMUM AND MAXIMUM POSITION
Execute step one, Checkout Preparation.
Connect 9V battery positive to AQ and negative to AQ1. Adjust DCV MAX
potentiometer to mid position.
Turn DCV maximum position potentiometer to fully CCW.
Turn minimum position potentiometer to midpoint.
Turn minimum position potentiometer fully CW.
Turn MIN POS to fully CCW.
W7212: Remove jumper from TR and N.
W7214: Jumper TR to O.
6.
MIXED AIR INPUT
Execute step one, Checkout Preparation.
Turn DCV MAX to mid position; set enthalpy potentiometer to A.
Remove 5.6K ohm resistor (green sleeve) and place jumper from T and T1.
Remove jumper from T and T1 and leave open.
Checkout Procedure
and + (white sleeve resistor makes OA
O
and + (purple sleeve resistor makes RA
R
and +.
O
W7212, W7213, W7214 ECONOMIZER LOGIC MODULES
Free cool LED turns on; motor drives to approximately 45 degrees (half)
open.
Free cool LED turns off; motor drives closed
Free cool LED turns on; motor drives to approximately 45 degrees (half)
open.
Free cool LED turns off; motor drives closed
Motor drives to mid position, 45 degrees open.
Motor drives fully open.
Motor drives closed.
LED for both DCV and Exhaust turn on.
Actuator drives to 45 degrees open.
Motor will move to position set by DCV MAX pot.
Motor will drive closed.
Motor will drive to the most open position of the pots.
Motor should not move.
Motor will move to position set by DCV MAX pot.
DCV LED turns on. Actuator drives to 45 degrees open.
Actuator drives fully closed.
Actuator drives to 45 degrees open.
Actuator drives fully open.
Actuator drives fully closed.
Actuator drives fully closed.
Free cool LED turns on.
Actuator drives to 45 degrees open.
Actuator drives to 45 degrees open.
Actuator drives fully closed.
21
Proper Response
63-2596—09

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

W7213W7214

Table of Contents