
W6215, W7215, W7460 ECONOMIZER LOGIC MODULES
63-2544—3
26
Fig. 25. W6215, W7215, or W7460 used with W973B Logic Panel.
CHECKOUT AND TROUBLESHOOTING
Checkout requires a 9V battery, 620 ohm, 1.2K ohm,
5.6K ohm, and 6.8K ohm resistors. Use Table 6 and Fig. 26
for checkout.
CAUTION
Equipment Damage Hazard.
Excessive force can damage potentiometer
controls.
Use a small screwdriver when adjusting enthalpy
changeover and minimum damper position controls.
1
3
4
2
5
2K
W6215/W7215/W7460 LOGIC MODULE
1K
1S
1S1
HONEYWELL
ACTUATOR
1
2
1
2
W
R
L2
L1
(HOT)
COOL 3
COOL 2
COOL 1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
ACTUATOR MODEL DEPENDENT ON LOGIC MODULE MODEL.
M11991A
2
1
COOL
3 HEAT
3 COOL
2
1
HEAT
MOD-HEAT
WH
BH
RH
MOD-COOL
RC
BC
WC
T
T1 3
4
2
5
1 TR TR
SENSOR
STAT
24 VAC
C +20 H N
W973B LOGIC PANEL
T6031 AMBIENT
LOCKOUT
CONTROL
50
°
F SETPOINT