Manualshelf

Install Instructions

ManualsBrandsTaco ManualsHeating Supplies1/2" Normally Open Potable Water Zone Sentry Valve (Sweat)
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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.
Zone Valve Wiring Diagrams
N
OTE: 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.
LED
M
otor
Circuit
End Switch
c
w
/y
Simplified Internal
Schematic:
Typical Zone Sentry Zone Valve Wiring:
Product Specifications:
Maximum Static Pressure: 300 PSI (2,100 kPa)
Maximum Shutoff Pressure: 125 PSI (875 kPa)
Maximum Ambient Temperature: 135°F
Fluid Temperature Range: 20° to 220°F, (-7° to 105°C)
For Indoor Use Only:
Service: Potable Water
Ball Rotation Speed: Full Open to Full Close (90° turn), 5 seconds (after charge time)
Full Close to Full Open (90° turn), 5 seconds (after charge time)
Seat Leakage: Drop-Tight Close-Off
Electrical Rating: 24 VAC, 60 HZ, 0.48 Amps
Do not use more than 12 zone valves per 40VA transformer.
Power Consumption, Charging: 11.4 Watts, 0.48 Amps
Power Consumption, Power On: 1.44 Watts, 0.06 Amps
Heat Anticipator Setting: 0.5 Amps
End Switch Rating: 1 Amp @ 24 VAC
NOTE: Some power robbing thermostats may cause a reduction of the number of valves possible per 40VA transformer
.
Materials of Construction, Actuator:
Body: High Performance Engineered Polymer
Gears: High Performance Internally Lubricated Engineered Polymer
Materials of Construction, Valve (
≤
0.25% lead):
Body: Forged Bronze
Stem: Brass
Press Ring: Brass
Ball: Brass (Chrome Plated)
Seat: Modified Teflon
®
O-rings: Viton