GE Zoneline 6100 Series Technical Service Manual page 9

Fan-Only Setting – HIGH/LOW
The unit provides the option of selecting either HIGH
or LOW speed for fan-only operation.
Fan-Cycle Switch – SmartFan
The SmartFan allows the unit to operate fan-
continuous and fan-cycle in heating and cooling
to provide better guest comfort. It eliminates the
complaint of cold air draft during heating operation.
It also eliminates the need of changing the fan-cycle
switch seasonally. SmartFan settings are selected
using the auxiliary control panel.
Compressor Random Restart
In the event of a power failure, all compressors
attempting to restart immediately when the
power is restored can result in a power surge
that can cause another power interruption. The
microprocessors in the Zoneline have a random
restart logic system that prevents all units from
starting at the same time.
Rotary Compressor
The rotary compressor provides smoother operation
for quiet, dependable service. GE has used rotary
compressors since 1961.
Compressor Restart Delay
To prevent compressor damage, Zoneline air
conditioners are designed to provide a minimum
of 3 minutes of compressor off time to allow
refrigerant pressures to equalize before restarting.
A minimum of 3 minutes of compressor run time is
utilized to prevent room occupant disturbance due
to short-cycling of the air conditioner.
Freeze Sentinel
The Freeze Sentinel detects low room temperature
and also turns on the heater to help protect against
damage caused by freezing room temperature.
The heater turns on at 41°F and warms the indoor
thermistor temperature to 46°F and shuts off. The
Freeze Sentinel may be turned on or off by using the
auxiliary control panel.
Heat Sentinel
The property owner may choose to activate the
Heat Sentinel feature on the Zoneline. If the Heat
Sentinel is activated and the room temperature
reaches 85°F while the unit is in the STOP setting,
the unit will automatically start the air conditioning
operation and will shut off when the room
temperature reaches 80°F.
This will help dehumidify the air and lower high
temperatures, so the guest will not be entering
an extremely hot room. The Heat Sentinel may be
turned on or off by using the auxiliary control panel.
Indoor Coil Frost Control
The indoor coil frost control
prevents the indoor coil from
freezing and causing complaints
due to lack of cooling. Frost can
form on the indoor coil when the
unit is operated in cooling, when
outdoor temperatures are low.
The unit automatically shuts the
compressor off until the indoor coil temperature
warms to the point where frosting will no longer
occur.
Transfer Fan Interface
To operate a relay, 24 VAC terminals are provided,
to control a fan mounted in a wall that moves
conditioned air into another space. The electrical
power for the operation of the transfer fan itself is
not provided by the Zoneline. Transfer fans and their
controlling relays are fi eld-supplied.
Electronic Temperature Limiting
There are 7 independent programmable
heating temperature limits and 7 independent
programmable cooling temperature limits. This
eliminates the need to reset the limits seasonally.
Heating Temperature Limits
65 70 72
Lowest
Cool
Cooling Temperature Limits
60 64 66
Reversible Indoor Air Louvers
Reversible indoor air louvers allow air to be directed
into the room at a 40º or 50º angle to provide better
air distribution. The angle is changed by removing
the room cabinet, screws holding the louver in
place, and rotating the louver section.
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74 76 78 80
68 70 72 74
(Continued next page)
Highest
Heat
85
76