HEAT
indicates the temperature
the room has to reach before the
heating source energizes. If the
water supply is cold, this screen
and heating would be locked out.
COOL
indicates the temperature
the room has to reach before the
cooling source energizes. If the
water supply is hot, this screen
and cooling would be locked out.
70
OFF
Press
MODE
Press
Press
MODE
MODE
Page 8
70
69
70
72
Note:
If the water temperature is changed during the
year, the thermostat will then automatically lock out the
incorrect mode.
Heating and/or Cooling
Step #4 = 3 in Advanced Setup (page 11), and the
accessory changeover sensor (G100-71520306) is used.
Step #4 = 4 or 5 in Advanced Setup (page 11).
Operation is the same as a 4-pipe system (page 5).
Selecting the Heat or Cool Mode
2-Pipe Operation
70
72
69
If step #4 = 3, this
screen will not appear.
AUTO
will automatically select
heat or cool based on the room
temperature demand.
OFF
indicates both heating
and cooling are turned off.
Selecting Your Desired Temperature
(adjusting the setpoints)
Basic Operation
70
76
68
C
OOL
H
EAT
AUTO
AUTO OR PROGRAM MODE
Pressing the UP or DOWN button in Auto
or
Program
mode will adjust
both
the heat and cool set temperatures
simultaneously.
buttons.
Adjust the desired
set temperature with the
Fan Operation
Press
FAN
Press
FAN
Press
FAN
Press
FAN
Press
FAN
Low Speed Medium Speed
High Speed
Auto
Fan
Pressing the FAN button will run the fan in
low, medium, or high speed continuously
(see below and page 20)
.
When only the
Fan
icon is displayed, the fan
is in the Auto mode and will run only when
necessary to heat or cool
(see below and
page 20)
.
Note:
If the thermostat is placed in the Off mode, the fan
will de-energize (see page 5).
Fan
Fan
Fan
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