TOTALINE P474-0140 Manual de usuario
OWNER'S MANUAL
MODEL P474-0140
Non-Programmable
Digital Thermostat
TOTALINE
Star
Replacement Components Division - Carrier Corporation
HEAT PUMP THERMOSTAT
2 HEAT, 1 COOL
Millivolt Compatible
Battery or System
Powered
Digital Display
DC Voltage Compatible
Stages: 2-Heat, 1-Cool
Easy Operation
TOTALINE
emergency
normal
energy save
aux.
heat
72
Heat Off
Cool Fan On
Fan Auto
Page 2
Normal Operation
Safety Warnings
Front Panel
Display
Aux Heat
Preparation
Remove Old Thermostat
Battery Replacement
Wire Connections
Test Operation
Troubleshooting
Warranty
Contents Page #
OWNER'S MANUAL
MODEL P474-0140
CAUTION Follow Installation Instructions carefully.
DISCONNECT POWER TO THE HEATER -
AIR CONDITIONER BEFORE REMOVING
THE OLD THERMOSTAT AND INSTALLING
THE NEW THERMOSTAT.
WARNING
P/N P474-0140
Page 3
CAUTION
This device complies with Part 15 of the FCC rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and (2)
this device must accept any interference received, including
interference that may cause undesired operation.
FIG. 1
The two AA alkaline batteries must be replaced at least
once every 12 months to ensure proper
operation. The Low Battery icon (fig. 1) will
appear on the display when it is time to
replace the batteries. If the thermostat is
connected to 24v power, the batteries should
still be installed, but are not required.
When is displayed the batteries must be replaced
immediately. The manufacturer cannot be liable for
improper operation of the thermostat if the batteries are
not immediately replaced.
Annual battery replacement is especially critical in
locations subject to freezing temperatures. The
thermostat will be unable to turn on the heating system
if the batteries are exhausted.
OWNER'S MANUAL
MODEL P474-0140
Safety Warnings
Replacement Components Division Carrier Corporation 03/07
TOTALINE
emergency
normal
energy save
aux.
heat
72
Heat Off
Cool Fan On
Fan Auto
Page 4
On or Auto
FAN SWITCH
UP & DOWN
BUTTONS
MODE SWITCH
Heat, Off or Cool
AUX HEAT
INDICATOR
AUX HEAT
SWITCH
DISPLAY
DIGITAL THERMOSTAT
Emergency
Normal
Lockout
OWNER'S MANUAL
MODEL P474-0140
Front Panel
DIGITAL THERMOSTAT
Page 5
Page 5
78 74
SET TEMP
OWNER'S MANUAL
MODEL P474-0140
Display
Current room temperature.
If the UP or DOWN button is pressed the thermostat
will show the Set Temp indicator. When Set Temp is
displayed you may use the UP or DOWN button to
adjust the desired room temperature.
NOTE: After five seconds with no button presses the
thermostat will revert back to show the current
room temperature.
TOTALINE
emergency
normal
energy save
aux.
heat
72
Heat Off
Cool Fan On
Fan Auto
Page 6
On or Auto
FAN SWITCH
UP & DOWN
BUTTONS
MODE SWITCH
Heat, Off or Cool
OWNER'S MANUAL
DIGITAL THERMOSTAT
OWNER'S MANUAL
MODEL P474-0140
Operation
Select Heat or Cool with the Mode Switch.
Normally leave the fan switched to Fan Auto.
In Fan Auto, the fan will turn on only with a heat
or cool demand. When Fan On is selected, the
fan will run continuously.
Adjust the desired set temperature with the
UP and DOWN buttons.
Normal Operation
TOTALINE
emergency
normal
energy save
aux.
heat
72
Heat Off
Cool Fan On
Fan Auto
AUX HEAT
SWITCH
Emergency
Normal
Energy Save
Operation
Switch
Emergency - Disables all compressor
functions** and energizes only Aux
Heat to satisfy the heat demand.
Normal - Aux Heat is allowed to run, if necessary,
along with the heat pump to satisfy the
heat demand.
Energy Save - Aux Heat will never turn on
regardless of the heat demand.
Aux Heat Indicator - This LED
will illuminate when the
thermostat has energized
Aux Heat.* (W2 terminal)
*The LED will only turn on when the
thermostat is powered from the HVAC
System. The cost of operating Electric
Strip Heat (Aux Heat) is normally signi-
ficantly more expensive than the cost of
operating Heat Pump.
OWNER'S MANUAL
MODEL P474-0140
Aux Heat
When the Aux Heat Switch is in the Emergency position the compressor will also
be locked out during cooling operation.
*
Page 7
*
Page 8
These tools will be required:
Flat Blade
Screwdriver
Wire cutter
& Stripper
Make sure your Heat Pump is working
properly before beginning installation of
the thermostat.
Carefully unpack the thermostat.
Save the screws and instructions.
Turn off the power to the Heat Pump at
the main fuse panel.
Proper installation of the thermostat will be
accomplished by following these step
by step instructions. If you are unsure
about any of these steps, call a qualified
technician for assistance.
Step #1 Preparation
72
TOTALINE
Heat Off Cool FanOn
FanAuto
72
TOTALINE
Heat Off Cool FanOn
FanAuto
72
TOTALINE
Heat Off Cool FanOn
FanAuto
72
TOTALINE
Heat Off Cool FanOn
FanAuto
72
TOTALINE
Heat Off Cool FanOn
FanAuto
OWNER'S MANUAL
MODEL P474-0140
Preparation
Remove the cover of the old thermostat.
If it does not come off easily check for
screws.
Loosen the screws holding the thermostat
base or subbase to the wall, and lift away.
Disconnect the wires from the old
thermostat. Tape the ends of the wires
as you disconnect them, and mark them
with the letter of the terminal for easy
reconnection to the new thermostat.
Keep the old thermostat for reference
purposes, until your new thermostat is
functioning properly.
Page 9
72
TOTALINE
Heat Off Cool FanOn
FanAuto
72
TOTALINE
Heat Off Cool FanOn
FanAuto
72
TOTALINE
Heat Off Cool FanOn
FanAuto
72
TOTALINE
Heat Off Cool FanOn
FanAuto
OWNER'S MANUAL
MODEL P474-0140
Remove & Replace
Old Thermostat
The batteries must be replaced
immediately when the thermostat
displays the low battery icon (fig.1). FIG. 1
Battery Replacement
The top of the thermostat housing has two screw-
driver slots to assist in separating the
thermostat front from the sub-base.
Repeat this procedure in the other screw driver slot.
Separate the thermostat front from the sub-base by
pulling the top forward until the pins release, and then
lift the bottom out.
To pull the housing apart, insert a small blade screw-
driver into the slot and rotate 90 . This will release
the top housing snaps.
SCREWDRIVER
SLOTS
Next Page
Page 10
MODEL P474-0140
OWNER'S MANUAL
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