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Sentry 2100
Microprocessor
Boiler Controller
Software Version C2.0 ONLY
For L or T versions, consult Trinity or Legacy manual
Installation & Operational
Instructions
Never make electrical connects on or around Sentry 2100 while power is on, electrical
arching can damage unit, voiding warranty.
Caution:
All Sentry inputs are DC voltage. DO NOT ground, or provide any AC voltage to the Sensors or
thermostat inputs, this will result in serious damage to the Sentry 2100 voiding the warranty.
A C T
For terminals
use dry contacts only to switch signal.
Verify that there is NO EXTERNAL VOLTAGE between these wires prior to connection.
Verify that there is NO EXTERNAL VOLTAGE to ground and these wires prior to
connection.
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Related Manuals for NTI Sentry 2100
Summary of Contents for NTI Sentry 2100
- Page 1 Caution: All Sentry inputs are DC voltage. DO NOT ground, or provide any AC voltage to the Sensors or thermostat inputs, this will result in serious damage to the Sentry 2100 voiding the warranty. A C T For terminals use dry contacts only to switch signal.
- Page 2 The Sentry 2100 microprocessor boiler controller is designed to give superior control of boiler operations while ensuring a high degree of safety and reliability. The sentry 2100 Controller a proprietary designs of NY Thermal and is intended only for use in specified NY Thermal boilers.
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Page 3: Setting Control
FEATURES • Control is fully enclosed in impact resistant enclosure. • Automatically detect presence of additional sensors. • Multi-functional LED display system. • Optional stack sensor provides continuous • Digital set point for unmatched accuracy. combustion efficiency display. • Pump exerciser routine, activates pump for 5 second, •... -
Page 4: Operation
Example to change LO Default from 180°F to 140°F Important Note: FLASHING OFF – Indicates that the control was left unattended in Step Press Button Display Shows program mode. Pressing Function, ↑ , or ↓ will resume Normal Cycling programming. Function ↓... - Page 5 ** Note: Burner cycles to the highest calculated temperature of either formula. Wiring • Provide dedicated 120-volt power from house service to Sentry 2100 controller, utilizing a minimum of 14-gauge wiring. • Provide adequate overload protection. A 15 Amp time-delay fuse, or 15-amp breaker is required.
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Page 6: Troubleshooting
DO NOT OVER TIGHTEN THE GEAR CLAMP. Apply only enough pressure to secure the sensor in place. TROUBLE SHOOTING This section is intended to assist the service technician in detecting and correcting common errors. The Sentry 2100 is equipped with an internal diagnostic system that verifies control operation. The following series of error codes has been...
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