5
T500 Series Non-Programmable Thermostats Product/Technical Bulletin
D
IP Switch Selections
!
CAUTION:
Equipment Damage Hazard.
Before selecting a minimum
on/off time, ensure the
equipment can tolerate the
following maximum hourly cycle
rates: 7.5 cycles per hour when
using 4-minute on/off, or
15 cycles per hour when using
2-minute on/off.
Table 1: T500HCN-1 DIP Switch Selections
DIP Switch Switch
Selection
Description
1
On Allows 2-minute minimum on/off time for heating or cooling equipment.
Off Allows 4-minute minimum on/off time for heating or cooling equipment.
2
On Locks the keyboard, disabling buttons to prevent tampering.
(Only the
Outdoor
and ∨
∨∨
∨
and
∧
∧∧
∧
buttons will function. See
Setting the
Thermostat,
Changing Settings While the Keyboard is Locked
and
Temporary Override While the Keyboard is Locked
in this bulletin.)
Off Unlocks the keyboard.
3
On In heating mode, allows the fan to delay with the plenum switch with a call
for heat. However, in cooling mode, allows the fan to operate immediately
with a call for cooling.
Off In heating or cooling mode, allows the fan to operate immediately with a
call for heat or cooling.
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