Carrier 50YX User Manual
Page 19
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3 Outdoor-fan motor shall be open drip-proof
K. Special Features:
Certain standard features are not applicable when the
features designated by * are specified. For assistance
in amending the specifications, contact your local Car
rier Sales Office.
1. Electric Resistance Heaters:
a Open-wire nichrome elements with all neces
sary safety and operating controls.
b. Heaters are UL listed as indicated on basic unit
informative plate.
c. Each heater assembly shall include the follow
ing safety features:
1) Automatic-reset switches.
2) Heat limiters for primary and secondary,
overcurrent, and thermal protection.
3.
Service Sentry”' Kit:
Device provides immediate warning when the com
pressor fails to operate after a call for heating or
cooling. The control energizes a warning light lo
cated on the indoor thermostat.
Outdoor Thermostat Kit:
Thermostat allows for staging of electric heaters
based on outdoor-air temperature
4. Single Point Box Kit:
Kit allows for a single power supply for the pack
aged unit and accessory electric heat packages, and
functions as an NEC-approved fused disconnect.
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