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This troubleshooting table is intended as a helpful guide and is not all inclusive. There could be other causes and solutions for a non-
Multi-status LED and Troubleshooting:
functioning product.
LED STATUS
INDICATES
Not Illuminated
Power off
Steady blink (once per
Charging
second)
Solid
Power on
Slow blink (once every
Excessive
5 seconds)
charging time
Double blink (twice
Excessive
every 5 seconds)
opening time
NOTE: Reset the actuator by removing power for 5 seconds and then restoring power.
Dimensions (for reference purposes):
VALVE SIZE
A
⁄
"
1
2
⁄
"
3 (76.2)
3
4
1"
A
Geo-Sentry Zone Valve Wiring Diagrams:
WARNING: Wiring connections must be made in accordance with all applicable electrical codes.
WARNING : To prevent electrical shock, disconnect electric power to system at main fuse or circuit breaker box until
installation is complete. When a service switch is installed, more than one disconnect switch may be required to
deenergize this device for servicing.
NOTE: Some power robbing thermostats require the use of a resistor (always use the resistor provided by the ther-
mostat manufacturer with the Zone Sentry). Consult the thermostat instructions for the resistor installation.
THERMOSTAT
R
G
O
Y
POSSIBLE CAUSE
No call
No power
Not enough VA
Too many valves per transformer
Obstruction in valve
Buildup of contamination in valve
Failed actuator
English dimensions are in inches. Metric dimensions are in millimeters. Metric data is presented in (
B
C
2
⁄
(60.3)
4
⁄
(104.8)
3
1
8
8
G
D
C
H
F
E
HEAT PUMP
R
G
O
C
Y
C
W/Y
END
SWITCH
GEO-SENTRY
Verify there is a call.
Check for voltage at the actuator.
Reset the actuator (see note).
Use a larger VA transformer or add an additional transformer.
Reduce the number of valves.
Use a different thermostat.
Reset the actuator (see note).
Remove obstruction.
Clean the valve and/or system.
Replace valve.
Replace Actuator.
E
D
(Sweat)
(Threaded)
3
⁄
(77.8)
1
3
⁄
(79.4)
16
1
3
8
3
⁄
(79.4)
1
3
⁄
(98.4)
8
7
8
B
OPTIONAL WIRING DIAGRAM
THERMOSTAT
R
G
O
Y
Field Wiring
POSSIBLE SOLUTION
E
F
3
⁄
(95.3)
3
1
⁄
(39.7)
4
9
⁄
(84.1)
2
16
5
5
16
3
⁄
(98.4)
1
⁄
(47.6)
7
7
8
8
W
W
A
A
L
L
L
L
3
3
1
1
⁄
⁄
" CLEARANCE
" CLEARANCE
8
8
Jumper
C
W/Y
END
SWITCH
GEO-SENTRY
).
H
G
(3-Way)
5
⁄
(128.6)
1
16
⁄
(58.7)
5
⁄
(136.5)
3
16
8
5
⁄
(139.7)
1
2
3
3
⁄
⁄
" CLEARANCE
" CLEARANCE
4
4
HEAT PUMP
R
G
O
C
Y
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