Carrier Weathermaster 48HJD Series Product Data page 13

TIME GUARD ®
Time Guard II Control automatically prevents compressor
from restarting for at least 5 minutes after a shutdown. Field-
installed accessory pre-vents short cycling of compressor if
thermostat is rapidly changed. Time Guard II device mounts
in the control compartment of unit. The Time Guard II device
is not required when a Carrier programmable thermostat is
applied.
UNIT MOUNTED DISCONNECT
Factory-installed, internally-mounted, NEC (National Electrical
Code) and UL (Underwriters' Laboratories) approved non-fused
switch provides unit power shutoff with disconnect lockout protec-
tion capability. The switch is accessible from outside the unit.
CONVENIENCE OUTLET
Factory-installed, internally mounted and externally accessible
115-v female receptacle. Includes 15-amp GFI (Ground Fault
Interrupter) receptacle with independent fuse protection. Voltage
required to operate convenience outlet is provided by a factory-
installed transformer.
II CONTROL
ECONOMI$ER
ECONOMI$ER CONTROLLER
PLUG
ACTUATOR
OUTDOOR AIR
TEMPERATURE
SENSOR
Factory-installed EconoMi$er utilizes a microprocessor-based con-
trol, gear drive damper system, low pressure drop characteristics,
built-in spring return (for close upon power loss), and an integral
barometric damper.
NOTE: EconoMi$er is only available for vertical ductwork applica-
tions and can be field or factory installed.
ELECTRONIC PROGRAMMABLE THERMOSTAT
Electronic programmable thermostat provides efficient tem-
perature control by allowing you to program heating and cool-
ing setbacks and setups with provisions for weekends and
holidays. The thermostat utilizes a time delay between operat-
ing modes. Optional factory-installed Apollo direct digital con-
trols or a relay pack is also required for thermostat operation.
HAIL GUARD
Condenser coil hail guard accessory (field installed) protects coils
against damage from hail and other flying debris.
GEAR-DRIVEN
DAMPER
BAROMETRIC
RELIEF DAMPERS
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