Page 1
OWNER'S MANUAL
Auto-Changeover is available in 4-pipe systems,
in 2-pipe systems with Electric Heat, or when
used with G100-71520306 accessory, autochangeover sensor.
FAN COIL
NON-PROGRAMMABLE
DIGITAL THERMOSTAT
Copyright 2008, International
Environmental Corp. All Rights Reserved
72
74
70
C
OOL
H
EAT
AUTO
2- or 4-pipe configurable
Dual or Single Setpoint
Very easy to program
Large, easy to read display
Thermoglow Backlight
No batteries required
Auto-Changeover
Locking Keypad
P/N E055-71520301
P/N E055-71520304
Page 2
P/N E055-71520301 and P/N E055-71520304
Table Of Contents
FRONT PANEL
DISPLAY
BASIC OPERATION
ADVANCED SETUP
ABOUT ADVANCED FEATURES
& OPERATION
WARRANTY
2
3
9
10
16
25
Page 1
CAUTION
WARNING
SELECTING THE HEAT
OR COOL MODE
5
Follow Installation Instructions
carefully. Disconnect Power
to the Heater/Air Conditioner
before removing the old therm-
ostat and installing the new
thermostat.
Copyright 2007, International
Environmental Corp. All Rights Reserved
Page 3
P/N E055-71520301 and P/N E055-71520304
Table Of Contents
FRONT PANEL
DISPLAY
BASIC OPERATION
ADVANCED SETUP
ABOUT ADVANCED FEATURES
& OPERATION
WARRANTY
2
3
9
10
16
25
Page 1
CAUTION
WARNING
SELECTING THE HEAT
OR COOL MODE
5
Follow Installation Instructions
carefully. Disconnect Power
to the Heater/Air Conditioner
before removing the old thermostat and installing the new
thermostat.
Copyright 2007, International
Environmental Corp. All Rights Reserved
Page 4
72
74
70
COOL
HEAT
AUTO
Front Panel
Page 2
Liquid Crystal Display
with Thermoglow
Up/Down Buttons
Mode Button
Fan/Override Button
Heat or Cool Indicator
Heat = Red, Cool = Green
1
1
2
3
4
5
2
3
4
5
Display
OUTSIDE
unoccupied
1
2
3
4
Mode Indicators - Page 5-8
Selects the operational mode of the equipment.
HEAT - Indicates the heating mode.
COOL - Indicates the cooling mode.
AUTO - Indicates the system will automatically
changeover between heat and cool modes
as the temperature varies.
OFF - Indicates heating and cooling are turned off.
Room Temperature Display
Indicates current room temperature.
Desired Set Temperature - Page 9
Indicates desired room temperature(s).
Setup icon - Pages 10-14
Indicates the thermostat is in the advanced setup
mode.
1
1
1
2
3
4
3
Page 3
Page 5
Display
OUTSIDE
unoccupied
1
2
3
4
Mode Indicators - Page 5-8
Selects the operational mode of the equipment.
HEAT - Indicates the heating mode.
COOL - Indicates the cooling mode.
AUTO - Indicates the system will automatically
changeover between heat and cool modes
as the temperature varies.
OFF - Indicates heating and cooling are turned off.
Room Temperature Display
Indicates current room temperature.
Desired Set Temperature - Page 9
Indicates desired room temperature(s).
Setup icon - Pages 10-14
Indicates the thermostat is in the advanced setup
mode.
1
1
1
2
3
4
3
Page 3
Page 6
Display
OUTSIDE
unoccupied
5
6
7
8
5
6
7
8
Fan icon - Page 9
Indicates fan operation.
Fan = low speed
Fan = medium speed
Fan = high speed
When only the Fan icon is displayed, the fan is in
the Auto mode and will run only when necessary to
heat or cool.
Locked icon - Page 21
Indicates keypad has been locked.
Outside icon - Pages 13 & 22
Indicates the temperature displayed is from the
optional outside sensor.
Unoccupied icons - Pages 13-14
Indicates a dry contact forced Unoccupied time
period is in effect.
Page 4
70
68
HEAT
70
76
COOL
70
76
68
COOL
HEAT
AUTO
70
OFF
Press
MODE
Press
Press
MODE
MODE
Page 5
The HEAT setting indicates
the temperature the room
has to reach before the
heating source will turn
on to heat the room.
Heating Only
The COOL setting indicates
the temperature the room
has to reach before the
cooling source will turn
on to cool the room.
Cooling Only
OFF indicates both heating
and cooling are turned off.
Off
AUTO will automatically
select heat or cool based
on room temperature
demand.
Heating or Cooling
Select Mode by Pressing the MODE Button
Selecting the Heat or Cool Mode 4-Pipe Operation
Page 7
70
68
HEAT
70
76
COOL
70
76
68
COOL
HEAT
AUTO
70
OFF
Press
MODE
Press
Press
MODE
MODE
Page 5
The HEAT setting indicates
the temperature the room
has to reach before the
heating source will turn
on to heat the room.
Heating Only
The COOL setting indicates
the temperature the room
has to reach before the
cooling source will turn
on to cool the room.
Cooling Only
OFF indicates both heating
and cooling are turned off.
Off
AUTO will automatically
select heat or cool based
on room temperature
demand.
Heating or Cooling
Select Mode by Pressing the MODE Button
Selecting the Heat or Cool Mode 4-Pipe Operation
Page 8
Heat Only
Step #4 = 1 in the Advanced Setup section,
page 11.
70
68
HEAT
70
OFF
Press
MODE
Selecting the Heat or Cool Mode 2-Pipe Operation
The HEAT setting indicates
the temperature the room
has to reach before the
heating source will turn
on to heat the room.
Heating Only
OFF indicates both heating
and cooling are turned off.
Off
Page 6
Cool Only
Step #4 = 2 in the Advanced Setup section,
page 11.
70
OFF
Press
MODE
70
76
COOL
Selecting the Heat or Cool Mode 2-Pipe Operation
The COOL setting indicates
the temperature the room
has to reach before the
cooling source will turn
on to cool the room.
Cooling Only
OFF indicates both heating
and cooling are turned off.
Off
Page 7
Page 9
Cool Only
Step #4 = 2 in the Advanced Setup section,
page 11.
70
OFF
Press
MODE
70
76
COOL
Selecting the Heat or Cool Mode 2-Pipe Operation
The COOL setting indicates
the temperature the room
has to reach before the
cooling source will turn
on to cool the room.
Cooling Only
OFF indicates both heating
and cooling are turned off.
Off
Page 7
Page 10
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
COOL
HEAT
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
Page 9
Page 11
Selecting Your Desired Temperature
(adjusting the setpoints)
Basic Operation
70
76
68
COOL
HEAT
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
Page 9
Page 12
Press
Select Display operation:
On = Full Display
Off = Minimal display
Display On
Display Off
See Page 20
MODE
NOTE: Each step
# is located at the
top right corner of
the display for easy
reference.
Press the MODE and
FAN buttons at the
same time for 10
seconds to enter
Advanced Setup
screens.
Advanced Setup
MODE FAN
I
ON
Setup
Press
MODE
Continued
Page 10
Select Display operation:
1 = Single Setpoint
2 = Dual Setpoint
See Page 24
cooling setpoint will always be displayed. To
display the room temperature, press and hold
the MODE button for two seconds. The
degree icon will blink when the large number
is displaying room temperature and will
remain solid when displaying the heating or
cooling setpoint.
2
Setup
2
Note: When Single Setpoint
is selected, the heating or
Advanced Setup
Select fan coil system
type:
2 = 2-pipe fan coil
4 = 4-pipe fan coil
4
2
Step #4 only appears if step #3 = 2.
2-PIPE SYSTEM OPERATION
1= Heat only system
2= Cool only system
3= Heat/Cool Auto
changeover
4= Heat/Cool Aux Electric
heat, Lockout Electric Heat
when Hot Water is available
5= Heat/Cool total electric
heat, no Hot Water, only
Electric Heat.
Note: #3 & #4 require accessory
changeover sensor
4
3
Setup
Press
MODE
Press
MODE
Continued
I
4
Setup
Page 11
On
Off
See Page 20, Note #2
Select operation when
fan is in the Auto mode:
On = continuous low
speed fan
Off = only energize
during a heating or
cooling cycle.
5
AUTO
Press
MODE
Page 13
Advanced Setup
Select fan coil system
type:
2 = 2-pipe fan coil
4 = 4-pipe fan coil
4
2
Step #4 only appears if step #3 = 2.
2-PIPE SYSTEM OPERATION
1= Heat only system
2= Cool only system
3= Heat/Cool Auto
changeover
4= Heat/Cool Aux Electric
heat, Lockout Electric Heat
when Hot Water is available
5= Heat/Cool total electric
heat, no Hot Water, only
Electric Heat.
Note: #3 & #4 require accessory
changeover sensor
4
3
Setup
Press
MODE
Press
MODE
Continued
I
4
Setup
Page 11
On
Off
See Page 20, Note #2
Select operation when
fan is in the Auto mode:
On = continuous low
speed fan
Off = only energize
during a heating or
cooling cycle.
5
AUTO
Press
MODE
Page 14
Advanced Setup
On
Off
2
7
HEAT
Setup
Select backlight operation:
On - Light continuously
Off - Light for 8 seconds
after a button press
Press
MODE
Press
MODE
Press
MODE
Press
MODE
Continued
Setup
8
Step #7 will not appear if step #4 = 1 or 2.
Page 12
2
6
Setup
Adjust the deadband
for the 1st stage.
(1-6)
See Page 17
Adjust the minimum
difference between
cooling & heating
setpoints.
(0-6)
C
F
Setup
9
Select thermostat
operation in degrees
Fahrenheit or Celsius.
COOL
Advanced Setup
Select Dry Contact
Unoccupied operation:
Unoccupied Setpoints
Off
Press
MODE
Page 13
Off = when the Dry Contact is
closed, the thermostat will turn
off.
Unoccupied = when the
Dry Contact is closed,
the thermostat will con-
trol to the Unoccupied setpoints.
Dry Contact
NO = Normally Open
NC = Normally Closed
NO
NC
Setup
I I
See Page 18
Press
MODE
Setup
85
I2
55
unoccupied
Adjust the cooling
setpoint for unocc-
upied periods.
(35 - 99, OF )
unoccupied
Press
MODE
Continued
Select sensor operation:
On =
or duct sensor
Off = control to remote
room sensor
read only outside
On
Off
Setup
I0
OUTSIDE
Page 15
Advanced Setup
Select Dry Contact
Unoccupied operation:
Unoccupied Setpoints
Off
Press
MODE
Page 13
Off = when the Dry Contact is
closed, the thermostat will turn
off.
Unoccupied = when the
Dry Contact is closed,
the thermostat will control to the Unoccupied setpoints.
Dry Contact
NO = Normally Open
NC = Normally Closed
NO
NC
Setup
I I
See Page 18
Press
MODE
Setup
85
I2
55
unoccupied
Adjust the cooling
setpoint for unoccupied periods.
(35 - 99, OF )
unoccupied
Press
MODE
Continued
Select sensor operation:
On =
or duct sensor
Off = control to remote
room sensor
read only outside
On
Off
Setup
I0
OUTSIDE
Page 16
After programming is complete, press the
MODE and FAN buttons at the same time
for two seconds to leave the Setup screens.
If no buttons are pressed, the display will
leave the setup screens after 30 seconds.
Advanced Setup
Page 14
unoccupied
Adjust the heating setpoint for Unoccupied
periods.
(OF, 35 - 99 )
Advanced Setup
On / Off
1 / 2
2 / 4
1 - 5
On / Off
1 - 6
0 - 6
On / Off
F / C
On / Off
NO / NC
Unoccupied /
Off
35 - 99 , OF
OF, 35 - 99
Display Blanking
Single or Dual Setpoint
2-or 4-Pipe System
2-Pipe System Operation
Fan Auto Operation
Deadband/Temp. Swing
1st Stage
Minimum Heat/Cool
Differential
Thermoglow Backlight
Fahrenheit or Celsius
Read Only Remote
Sensor?
Dry Contact Polarity
Dry Contact Operation
Unocc. Cool Setpoint
Unocc. Heat Setpoint
Step
#
Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Advanced Setup Table
Range
Factory
Default
On
2
4
1
Off
2
2
Off
F
Off
NO
Unoccupied
85
55
Page 15
Page 17
Advanced Setup
On / Off
1 / 2
2 / 4
1 - 5
On / Off
1 - 6
0 - 6
On / Off
F / C
On / Off
NO / NC
Unoccupied /
Off
35 - 99 , OF
OF, 35 - 99
Display Blanking
Single or Dual Setpoint
2-or 4-Pipe System
2-Pipe System Operation
Fan Auto Operation
Deadband/Temp. Swing
1st Stage
Minimum Heat/Cool
Differential
Thermoglow Backlight
Fahrenheit or Celsius
Read Only Remote
Sensor?
Dry Contact Polarity
Dry Contact Operation
Unocc. Cool Setpoint
Unocc. Heat Setpoint
Step
#
Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Advanced Setup Table
Range
Factory
Default
On
2
4
1
Off
2
2
Off
F
Off
NO
Unoccupied
85
55
Page 15
Page 18
Advanced Setup
On / Off
1 / 2
2 / 4
1 - 5
On / Off
1 - 6
0 - 6
On / Off
F / C
On / Off
NO / NC
Unoccupied /
Off
35 - 99 , OF
OF, 35 - 99
Display Blanking
Single or Dual Setpoint
2-or 4-Pipe System
2-Pipe System Operation
Fan Auto Operation
Deadband/Temp. Swing
1st Stage
Minimum Heat/Cool
Differential
Thermoglow Backlight
Fahrenheit or Celsius
Read Only Remote
Sensor?
Dry Contact Polarity
Dry Contact Operation
Unocc. Cool Setpoint
Unocc. Heat Setpoint
Step
#
Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Advanced Setup Table
Range
Factory
Default
On
2
4
1
Off
2
2
Off
F
Off
NO
Unoccupied
85
55
Page 15
About Advanced Features & Operation
Page 17
The above figure assumes the minimum on time for the
prior stage has been met to allow the next stage to turn
on, once the deadbands have been exceeded.
TEMPERATURE
DECREASE
INCREASE
Cool
SP
Heat
SP
Med-
speed
fan
Med-
speed
fan
Heating
Cooling
Lo-
speed
fan
Hi-
speed
fan
Lo-
speed
fan
Hi-
speed
fan
DEADBAND OPERATION - Controls one Heat and
one Cool stage with a three speed fan (see below).
The medium speed fan for heat or cool is turned on
when: The temperature spread from the setpoint is
equal to or greater than: the setpoint plus the 1st stage
deadband (step #6, page 12), plus the 2nd stage dead-
band. This 2nd stage deadband is fixed at one degree
and is not adjustable.
The low speed fan for heat or cool is turned on when:
The temperature spread from the setpoint is equal to
or greater than: the setpoint plus the 1st stage dead-
band (step #6, page 12). This 1st stage deadband is
adjustable from 1-6 degrees and the default is two
degrees.
The high speed fan for heat or cool is turned on when:
The temperature spread from the setpoint is equal to or
greater than: the setpoint plus the 1st stage deadband
(step #6, page 12), plus the 2nd stage deadband, plus
the 3rd stage deadband. This 3rd stage deadband is
fixed at one degree and is not adjustable.
DB 3
1
DB 21DB 1
1-6
DB 1
1-6
DB 21DB 3
1
Page 19
About Advanced Features & Operation
Page 17
The above figure assumes the minimum on time for the
prior stage has been met to allow the next stage to turn
on, once the deadbands have been exceeded.
TEMPERATURE
DECREASE
INCREASE
Cool
SP
Heat
SP
Med-
speed
fan
Med-
speed
fan
Heating
Cooling
Lo-
speed
fan
Hi-
speed
fan
Lo-
speed
fan
Hi-
speed
fan
DEADBAND OPERATION - Controls one Heat and
one Cool stage with a three speed fan (see below).
The medium speed fan for heat or cool is turned on
when: The temperature spread from the setpoint is
equal to or greater than: the setpoint plus the 1st stage
deadband (step #6, page 12), plus the 2nd stage deadband. This 2nd stage deadband is fixed at one degree
and is not adjustable.
The low speed fan for heat or cool is turned on when:
The temperature spread from the setpoint is equal to
or greater than: the setpoint plus the 1st stage dead-
band (step #6, page 12). This 1st stage deadband is
adjustable from 1-6 degrees and the default is two
degrees.
The high speed fan for heat or cool is turned on when:
The temperature spread from the setpoint is equal to or
greater than: the setpoint plus the 1st stage deadband
(step #6, page 12), plus the 2nd stage deadband, plus
the 3rd stage deadband. This 3rd stage deadband is
fixed at one degree and is not adjustable.
DB 3
1
DB 21DB 1
1-6
DB 1
1-6
DB 21DB 3
1
Page 20
About Advanced Features & Operation
DRY CONTACT SWITCH ternal device such as a Central Time Clock, Occupancy Sensor, or a Telephone activated device to force
one or more thermostats into an Unoccupied mode
(steps #11 and 12, page 13).
This feature allows an ex-
When the CK1 and R terminals are shorted together,
and the thermostat is programmed for Unoccupied
operation (step #12, page 13), the thermostat will be
forced into Unoccupied setpoints and the Unoccupied
icon will appear on the display.
Connect wires to a time
clock or other device to
force the thermostat into
Occupied 1 or Unoccupied.
Important Note: For control of multiple
thermostats by 1 source, refer to the
enclosed yellow document P/N 88-175
‘Potential Phasing Problems’ before
installation.
C
G
R
Y
1
W
2
W
1
T
E
RM
I
N
A
L
C
O
N
N
E
C
T
I
O
N
S
4Z95
24V.60HZ
NEC CLASS 2
ENCLOSED
ENERGY
MANAGEMENT
EQUPIMENT
MODEL: 33CSSP2-FC
X072500204
MADE IN CHINA
Y
2
R
S
R
S
+
5
H
2
O
CK
1
Page 18
About Advanced Features & Operation
WARNING: This will reset all Advanced Program-
ming to the default settings. Any information
entered prior to this reset will be permanently
lost.
FACTORY DEFAULTS -
return all the stored settings back to the factory default
settings, follow the instructions below.
If, for any reason, you desire to
After all of the icons appear,
release the MODE and DOWN
buttons. Then press and hold the
FAN button for 5 seconds.
After the letters Fd appear on the
display (Factory Default), release
the FAN button. Press the MODE
button twice to return to normal
operation.
Page 19
Place the thermostat in the OFF
mode.
Press button.
While holding the MODE button,
press and hold the DOWN button
for 5 seconds. All icons will
appear on the display.
and hold the MODE
MODE
1
2
MODE
3
4
MODE
FAN
72
OFF
72
OFF
unoccupied
Setup
88
88
C
OOL
H
EAT
Override
Locked
AUTO
O
UTSIDE
Page 21
About Advanced Features & Operation
WARNING: This will reset all Advanced Programming to the default settings. Any information
entered prior to this reset will be permanently
lost.
FACTORY DEFAULTS return all the stored settings back to the factory default
settings, follow the instructions below.
If, for any reason, you desire to
After all of the icons appear,
release the MODE and DOWN
buttons. Then press and hold the
FAN button for 5 seconds.
After the letters Fd appear on the
display (Factory Default), release
the FAN button. Press the MODE
button twice to return to normal
operation.
Page 19
Place the thermostat in the OFF
mode.
Press button.
While holding the MODE button,
press and hold the DOWN button
for 5 seconds. All icons will
appear on the display.
and hold the MODE
MODE
1
2
MODE
3
4
MODE
FAN
72
OFF
72
OFF
unoccupied
Setup
88
88
C
OOL
H
EAT
Override
Locked
AUTO
O
UTSIDE
Page 22
About Advanced Features & Operation
FAN OPERATION - Fan operation is available in four
different modes:
Fan: When only the fan icon is displayed, this
indicates that the fan is in the Auto mode, will only
energize during a heating or cooling cycle, and will
modulate fan speeds based on temperature demand
(see page 17).
Page 20
Fan , Fan , or Fan : Pressing the FAN button
will cause the low, medium, or high speed fan icon to
appear (see page 9), indicating that the fan will run
continuously. The fan will de-energize if the thermostat is placed in the Off mode or a dry contact forced
unoccupied time period (see page 18).
1) If a remote sensor is connected to this thermostat,
then the fan should be programmed for continuous
operation (step #5, page 11). This will provide airflow
over the remote sensor and provide more accurate
temperature readings.
2) If the fan is programmed for continuous operation
(step #5, page 11), the low speed fan will run continuously when the fan is in the Auto mode, but will
de-energize if the thermostat is placed
in the Off mode.
Notes:
MINIMAL DISPLAY - When the thermostat is programmed for a minimal display (step #1, page 10), only
the time of day will appear. When a button is pressed
the full, normal display will appear for 10 seconds.
About Advanced Features & Operation
HEAT/COOL DIFFERENTIAL - The Heat and Cool set-
points will not be allowed to come any closer to each
other than the value set in Advanced Setup step #7, on
page 12. This minimum difference is enforced during
Auto-changeover operation.
Note: To increase the spread between the heating and
cooling setpoints in the Auto-changeover mode press
the MODE button until only the heat setpoint is display-
ed; adjust to the desired setpoint. Press the MODE
button until only the cool setpoint is displayed; adjust to
the desired setpoint. Press the MODE button again to
enter the Auto-changeover mode where both the heat
and cool setpoints are displayed.
KEYPAD LOCKOUT - To prevent unauthorized use of
the thermostat, the front panel buttons may be disabled.
To disable, or ‘lock’ the keypad, press and hold the
MODE button. While holding the MODE button, press
the UP and DOWN buttons together. The LOCKED icon
will appear on the display, then release the buttons.
To unlock the keypad, press and hold the MODE button.
While holding the MODE button, press the UP and
DOWN buttons together. The LOCKED icon will disapp-
ear from the display, then release the buttons.
Press all three
buttons in the order
outlined above for
keypad lockout
MODE
Page 21
70
76
68
COOL
HEAT
AUTO
Locked
Page 23
About Advanced Features & Operation
HEAT/COOL DIFFERENTIAL - The Heat and Cool setpoints will not be allowed to come any closer to each
other than the value set in Advanced Setup step #7, on
page 12. This minimum difference is enforced during
Auto-changeover operation.
Note: To increase the spread between the heating and
cooling setpoints in the Auto-changeover mode press
the MODE button until only the heat setpoint is displayed; adjust to the desired setpoint. Press the MODE
button until only the cool setpoint is displayed; adjust to
the desired setpoint. Press the MODE button again to
enter the Auto-changeover mode where both the heat
and cool setpoints are displayed.
KEYPAD LOCKOUT - To prevent unauthorized use of
the thermostat, the front panel buttons may be disabled.
To disable, or ‘lock’ the keypad, press and hold the
MODE button. While holding the MODE button, press
the UP and DOWN buttons together. The LOCKED icon
will appear on the display, then release the buttons.
To unlock the keypad, press and hold the MODE button.
While holding the MODE button, press the UP and
DOWN buttons together. The LOCKED icon will disappear from the display, then release the buttons.
Press all three
buttons in the order
outlined above for
keypad lockout
MODE
Page 21
70
76
68
COOL
HEAT
AUTO
Locked
Page 24
About Advanced Features & Operation
OUTSIDE SENSOR - To view an Outside Sensor
(step #10, page 13), press and hold the FAN button
for two seconds until the Outside icon appears. If
an optional outside sensor is connected, the outside
temperature will appear on the display. To exit the
outside temperature display, press any button.
LOCKING COVER
w/Tamper Proof Screws
(G100-71520308 w/ logo
G100-71520309 w/out logo)
72
72
74
74
70
70
COOL
COOL
HEAT
HEAT
AUTO
AUTO
Page 22
About Advanced Features & Operation
REMOTE SENSOR (P/N G100-71520307) - The
thermostat is programmed from the factory to auto-
OVER
RIDE
Page 23
matically recognize when a Remote
Sensor is connected (step #10, page
13).
The Remote Sensor measures indoor
air temperature and sends this infor-
mation to the thermostat; it measures
temperature with a range of 32 to
99 F.
The Remote Sensor should be con-
nected to the thermostat using solid
conductor CAT 5, CAT 5e, or CAT 6 type network
communication cable. This is an unshielded cable with
four twisted pairs of 24 gauge solid wire; DO NOT use
stranded cable. The cable length should not exceed
250 feet. If less than 75 feet of cable is required to
connect the thermostat to the Remote Sensor, a three
conductor thermostat cable (18-24 gauge) may be
used; this cable is NOT suitable for any length greater
than 75 feet.
IMPORTANT: Do no use shielded wire. Do not run
sensor wiring in the same conduit as the 24VAC therm-
ostat wiring. Electrical interference may cause the
sensor to give incorrect temperature readings.
Note: If a remote sensor is connected to this ther-
mostat, then the fan should be programmed for
continuous operation (step #5, page 11). This will
provide airflow over the remote sensor and provide
more accurate temperature readings.
See the Remote Sensor instructions for further details.
Page 25
About Advanced Features & Operation
REMOTE SENSOR (P/N G100-71520307) - The
thermostat is programmed from the factory to auto-
OVER
RIDE
Page 23
matically recognize when a Remote
Sensor is connected (step #10, page
13).
The Remote Sensor measures indoor
air temperature and sends this information to the thermostat; it measures
temperature with a range of 32 to
99 F.
The Remote Sensor should be connected to the thermostat using solid
conductor CAT 5, CAT 5e, or CAT 6 type network
communication cable. This is an unshielded cable with
four twisted pairs of 24 gauge solid wire; DO NOT use
stranded cable. The cable length should not exceed
250 feet. If less than 75 feet of cable is required to
connect the thermostat to the Remote Sensor, a three
conductor thermostat cable (18-24 gauge) may be
used; this cable is NOT suitable for any length greater
than 75 feet.
IMPORTANT: Do no use shielded wire. Do not run
sensor wiring in the same conduit as the 24VAC thermostat wiring. Electrical interference may cause the
sensor to give incorrect temperature readings.
Note: If a remote sensor is connected to this thermostat, then the fan should be programmed for
continuous operation (step #5, page 11). This will
provide airflow over the remote sensor and provide
more accurate temperature readings.
See the Remote Sensor instructions for further details.
Page 26
About Advanced Features & Operation
SINGLE SETPOINT BEHAVIOR - When configured
for Single Setpoint operation (step #2, page 10), the
degree icon will blink when the large number is displaying room temperature and will remain solid when displaying the heating or cooling setpoint. In the Auto
mode the deadband is enforced both above and below
the setpoint. To avoid short cycling, a deadband of at
least two degrees is recommended (step #6, page 12).
To display the room temperature press and hold the
MODE button for two seconds. Release the MODE
button to return to the normal display.
Page 24
Warranty
Page 25
INTERNATIONAL ENVIRONMENTAL CORPORATION -
TERMS AND CONDITIONS
1. ORDER ACKNOWLEDGEMENTS SHALL ONLY BE BINDING UPON
INTERNATIONAL ENVIRONMENTAL CORPORATION (HEREINAFTER
REFERRED TO AS IEC) IF GENERATED AND AUTHORIZED BY A
REPRESENTATIVE OF IEC AT ITS OFFICE IN OKLAHOMA CITY,
OKLAHOMA.
2. IEC DOES NOT BUILD ITEMS TO PLANS AND SPECIFICATIONS. IEC
AGREES TO FURNISH ONLY THE ITEMS AS DESCRIBED IN IEC'S ORDER
ACKNOWLEDGEMENT UNLESS IEC'S OFFICE IN OKLAHOMA CITY,
OKLAHOMA, HAS PREVIOUSLY RECEIVED AND ACCEPTED, IN
WRITING,APPROVED SUBMITTALS FROM PURCHASER.
3. PRICES QUOTED ARE FIRM ONLY IF PURCHASER RELEASES THE
GOODS COVERED BY THIS ORDER FOR IMMEDIATE PRODUCTION BY
IEC WITHIN NINETY (90) DAYS FROM THE DATE OF PURCHASER'S
OFFER TO PURCHASE AND FOR SHIPMENT BY IEC WITHIN THE
ACKNOWLEDGED SHIPPING DATE WHICH SHALL NOT EXCEED SIX (6)
MONTHS FROM THE DATE OF PURCHASER'S OFFER TO PURCHASE. IF
PURCHASER DOES NOT MEET THE TERMS AND CONDITIONS OF THIS
PARAGRAPH, THE PRICES ARE SUBJECT TO ESCALATION TO THOSE
PRICES IN EFFECT AT TIME OF SHIPMENT WITHOUT NOTICE TO
PURCHASER.
4. ALL PRICES ARE F.O.B. IEC'S FACTORY WITH FULL FREIGHT ALLOWED
UNLESS NOTED OTHERWISE BY IEC. TITLE TO AND RISK OF LOSS TO
THE GOODS PASSES TO THE PURCHASER WHEN DELIVERED TO THE
CARRIER F.O.B. IEC'S SHIPPING POINT. PURCHASER MUST INSPECT
THE GOODS UPONARRIVAL.
5. IF GOODS ARE RELEASED FOR PRODUCTION BUT IEC IS PREVENTED
BY THE PURCHASER FROM SHIPPING UPON COMPLETION OR BY THE
ACKNOWLEDGED SHIPPING DATE, WHICHEVER IS LATER, IEC MAY AT
IT'S OPTION, IN ADDITION TO ALL OTHER REMEDIES, INVOICE THE
PURCHASER TO BE PAYABLE WITHIN THIRTY (30) DAYS AND STORE
THE GOODSATPURCHASER'S SOLE EXPENSE.
6. TITLE TO AND RISK OF LOSS TO THE GOODS PASSES TO THE
PURCHASER F.O.B. IEC'S SHIPPING POINT.
Page 27
Warranty
Page 25
INTERNATIONAL ENVIRONMENTAL CORPORATION -
TERMS AND CONDITIONS
1. ORDER ACKNOWLEDGEMENTS SHALL ONLY BE BINDING UPON
INTERNATIONAL ENVIRONMENTAL CORPORATION (HEREINAFTER
REFERRED TO AS IEC) IF GENERATED AND AUTHORIZED BY A
REPRESENTATIVE OF IEC AT ITS OFFICE IN OKLAHOMA CITY,
OKLAHOMA.
2. IEC DOES NOT BUILD ITEMS TO PLANS AND SPECIFICATIONS. IEC
AGREES TO FURNISH ONLY THE ITEMS AS DESCRIBED IN IEC'S ORDER
ACKNOWLEDGEMENT UNLESS IEC'S OFFICE IN OKLAHOMA CITY,
OKLAHOMA, HAS PREVIOUSLY RECEIVED AND ACCEPTED, IN
WRITING,APPROVED SUBMITTALS FROM PURCHASER.
3. PRICES QUOTED ARE FIRM ONLY IF PURCHASER RELEASES THE
GOODS COVERED BY THIS ORDER FOR IMMEDIATE PRODUCTION BY
IEC WITHIN NINETY (90) DAYS FROM THE DATE OF PURCHASER'S
OFFER TO PURCHASE AND FOR SHIPMENT BY IEC WITHIN THE
ACKNOWLEDGED SHIPPING DATE WHICH SHALL NOT EXCEED SIX (6)
MONTHS FROM THE DATE OF PURCHASER'S OFFER TO PURCHASE. IF
PURCHASER DOES NOT MEET THE TERMS AND CONDITIONS OF THIS
PARAGRAPH, THE PRICES ARE SUBJECT TO ESCALATION TO THOSE
PRICES IN EFFECT AT TIME OF SHIPMENT WITHOUT NOTICE TO
PURCHASER.
4. ALL PRICES ARE F.O.B. IEC'S FACTORY WITH FULL FREIGHT ALLOWED
UNLESS NOTED OTHERWISE BY IEC. TITLE TO AND RISK OF LOSS TO
THE GOODS PASSES TO THE PURCHASER WHEN DELIVERED TO THE
CARRIER F.O.B. IEC'S SHIPPING POINT. PURCHASER MUST INSPECT
THE GOODS UPONARRIVAL.
5. IF GOODS ARE RELEASED FOR PRODUCTION BUT IEC IS PREVENTED
BY THE PURCHASER FROM SHIPPING UPON COMPLETION OR BY THE
ACKNOWLEDGED SHIPPING DATE, WHICHEVER IS LATER, IEC MAY AT
IT'S OPTION, IN ADDITION TO ALL OTHER REMEDIES, INVOICE THE
PURCHASER TO BE PAYABLE WITHIN THIRTY (30) DAYS AND STORE
THE GOODSATPURCHASER'S SOLE EXPENSE.
6. TITLE TO AND RISK OF LOSS TO THE GOODS PASSES TO THE
PURCHASER F.O.B. IEC'S SHIPPING POINT.
Page 28
Warranty
Page 26
7. (a.) IEC WARRANTS FOR A PERIOD OF EIGHTEEN (18) MONTHS FROM
THE DATE OF SHIPMENT OR TWELVE (12) MONTHS FROM DATE OF
START UP (WHICHEVER OCCURS FIRST), THAT THE GOODS SOLD
SHALL BE FREE OF DEFECTS IN MATERIAL AND WORKMANSHIP,
EXCEPT THAT IEC MAKES NO GUARANTEE AGAINST CORROSION OR
ABRASION OF ANY GOODS AND MAKES NO GUARANTEE
WHATSOEVER FOR DAMAGES IN ANY WAY RELATING TO MOLD,
FUNGUS OR BACTERIA, OR ANY GOODS MANUFACTURED OR
SUPPLIED BY OTHERS. IEC MAKES NO OTHER EXPRESS WARRANTY,
AND NO AFFIRMATION BY IEC OR ITS REPRESENTATIVES, BY WORD
ORACTION, SHALL CONSTITUTEA WARRANTY.
(b.) IEC MAKES NO IMPLIED WARRANTIES OF MERCHANTABILITY OR
FITNESS FOR ANYPARTICULAR PURPOSE.
(c.) IN THE EVENT OF A BREACH OF THE ABOVE WARRANTY OR
NEGLIGENCE ON THE PART OF IEC, IEC SHALL ONLY BE OBLIGATED TO
EITHER REPAIR OR REPLACE, AT IEC'S OPTION, THE GOODS, AND THE
AFORESAID OBLIGATION OF IEC TO REPAIR OR REPLACE THE GOODS
IS THE PURCHASER'S EXCLUSIVE REMEDY. IEC SHALL NOT, IN ANY
MANNER WHATSOEVER, BE LIABLE FOR ANY INCIDENTAL OR
CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR EXPENSES FOR
BREACH OF WARRANTY, OR FOR NEGLIGENCE ON THE PART OF IEC.
(d.) ALL PARTS SHALL BE RETURNED TO IEC'S FACTORY IN
OKLAHOMA CITY, OKLAHOMA, OR OTHER AUTHORIZED SERVICE
STATION DESIGNATED BY IEC, FREIGHT PREPAID IF IEC DETERMINES
THE PART TO BE DEFECTIVE AND WITHIN IEC'S WARRANTY. IEC
SHALL, WHEN SUCH PART HAS BEEN EITHER REPLACED OR
REPAIRED, RETURN TO PURCHASER, F.O.B. IEC'S FACTORY IN
OKLAHOMACITY, OK.
(e.) THIS WARRANTY SHALL BE VOID FOR ANY GOODS WHICH (1)
HAVE BEEN REPAIRED OR ALTERED OUTSIDE IEC'S FACTORY IN ANY
MANNER WITHOUT IEC'S WRITTEN AUTHORIZATION; OR (2) HAVE
BEEN SUBJECT TO MISUSE, NEGLIGENCE OR ACCIDENTS; OR (3)
HAVE BEEN OPERATED IN A MANNER CONTRARY TO IEC'S PRINTED
INSTRUCTIONS: OR (4) HAVE NOT BEEN PAID FOR WITHIN PAYMENT
TERMS GRANTED BY IEC.
8. IEC SHALL HAVE NO SYSTEM DESIGN, APPLICATION OR
MAINTENANCE RESPONSIBILITY OR RESPONSIBILITY FOR MOLD,
FUNGUS OR BACTERIATO PURCHASER ORANY OTHER THIRD PARTY.
Warranty
Page 27
9. ALL SALES, USE, EXCISE, TRANSPORTATION, PRIVILEGE,
OCCUPATIONAL CONSUMPTION, STORAGE, OR OTHER TAXES WHICH
MAY BE LEVIED BY ANY TAXING AUTHORITY AS A RESULT OF THIS
TRANSACTION SHALL BE PAID BY THE PURCHASER.
10. UNLESS OTHERWISE AGREED TO IN WRITING BY IEC, ANY TECHNICAL
DATA, FURNISHED IN CONJUNCTION WITH THIS ORDER AND NOT
OBTAINABLE FROM ANOTHER SOURCE SHALL NOT BE DUPLICATED,
USED, OR DISCLOSED IN WHOLE OR IN PART FOR ANY PURPOSE
OTHER THAN TO EVALUATE THIS ORDER.
11. IEC SHALL HAVE NO LIABILITY OR OTHER OBLIGATION HEREUNDER, IF
ITS PERFORMANCE IS DELAYED OR PREVENTED TO ANY EXTENT BY
ANY EVENT SUCH AS, BUT NOT LIMITED TO, ANY ACT OF GOD, STRIKE
OR WORK STOPPAGE, FIRE, FLOOD, ACCIDENT, ALLOCATION, OR
OTHER CONTROLS OF GOVERNMENT AUTHORITIES, SHORTAGE OF
TRANSPORTATION, FUEL, MATERIAL AND LABOR, OR ANY OTHER
CAUSE BEYOND IEC'S REASONABLE CONTROL. ANY SHIPPING DATE
STATED BY IEC IS IEC'S BEST ESTIMATE, BUT IEC MAKES NO
GUARANTEE OF SHIPMENT BY ANY SUCH DATE AND SHALL HAVE NO
LIABILITY OR OTHER OBLIGATION FOR FAILURE TO SHIP ON SUCH
DATE, REGARDLESS OF CAUSE.
12. PAYMENT TERMS ARE NET THIRTY (30) DAYS FROM DATE OF INVOICE
ON APPROVED CREDIT. ONE AND ONE-HALF PERCENT (1 1/2%) PER
MONTH (18% ANNUAL RATE) MAY BE CHARGED ON PAST DUE
ACCOUNTS WHERE PERMITTED BY APPLICABLE LAW. IN THE EVENT
ACCOUNT MUST BE PLACED FOR COLLECTION, PURCHASER SHALL
BE RESPONSIBLE FOR ALL REASONABLE ATTORNEYS FEES AND
COSTS INCURRED BY IEC IN SECURING PAYMENT.
13. PURCHASER SHALL NOT CANCEL THE CONTRACT WITHOUT PRIOR
WRITTEN CONSENT OF IEC. IN THE EVENT PURCHASER CANCELS
THE CONTRACT WITH THE PRIOR WRITTEN CONSENT OF IEC AFTER
THE PURCHASER'S OFFER TO PURCHASE IS RECEIVED AND
ACKNOWLEDGED IN WRITING, IEC SHALL BE ENTITLED TO RECEIVE
FROM PURCHASER, IEC'S COST PLUS A REASONABLE ALLOWANCE
FOR OVERHEADAND PROFIT.
14. PURCHASER SHALL NOT ASSIGN ANY OF ITS INTEREST RIGHTS
UNDER THIS AGREEMENT WITHOUT WRITTEN CONSENT OF IEC.
15. IEC WILL NOT FURNISH LIEN WAIVERS OR RELEASES UNTIL IEC
RECEIVES PAYMENT, IN FULL, AT ITS OFFICE IN OKLAHOMA CITY,
OKLAHOMA, FROM PURCHASER FOR THE GOODS COVERED BY THIS
ORDER. PARTIAL LIEN RELEASES WILL BE PROVIDED IF REQUESTED.
Page 29
Warranty
Page 27
9. ALL SALES, USE, EXCISE, TRANSPORTATION, PRIVILEGE,
OCCUPATIONAL CONSUMPTION, STORAGE, OR OTHER TAXES WHICH
MAY BE LEVIED BY ANY TAXING AUTHORITY AS A RESULT OF THIS
TRANSACTION SHALL BE PAID BY THE PURCHASER.
10. UNLESS OTHERWISE AGREED TO IN WRITING BY IEC, ANY TECHNICAL
DATA, FURNISHED IN CONJUNCTION WITH THIS ORDER AND NOT
OBTAINABLE FROM ANOTHER SOURCE SHALL NOT BE DUPLICATED,
USED, OR DISCLOSED IN WHOLE OR IN PART FOR ANY PURPOSE
OTHER THAN TO EVALUATE THIS ORDER.
11. IEC SHALL HAVE NO LIABILITY OR OTHER OBLIGATION HEREUNDER, IF
ITS PERFORMANCE IS DELAYED OR PREVENTED TO ANY EXTENT BY
ANY EVENT SUCH AS, BUT NOT LIMITED TO, ANY ACT OF GOD, STRIKE
OR WORK STOPPAGE, FIRE, FLOOD, ACCIDENT, ALLOCATION, OR
OTHER CONTROLS OF GOVERNMENT AUTHORITIES, SHORTAGE OF
TRANSPORTATION, FUEL, MATERIAL AND LABOR, OR ANY OTHER
CAUSE BEYOND IEC'S REASONABLE CONTROL. ANY SHIPPING DATE
STATED BY IEC IS IEC'S BEST ESTIMATE, BUT IEC MAKES NO
GUARANTEE OF SHIPMENT BY ANY SUCH DATE AND SHALL HAVE NO
LIABILITY OR OTHER OBLIGATION FOR FAILURE TO SHIP ON SUCH
DATE, REGARDLESS OF CAUSE.
12. PAYMENT TERMS ARE NET THIRTY (30) DAYS FROM DATE OF INVOICE
ON APPROVED CREDIT. ONE AND ONE-HALF PERCENT (1 1/2%) PER
MONTH (18% ANNUAL RATE) MAY BE CHARGED ON PAST DUE
ACCOUNTS WHERE PERMITTED BY APPLICABLE LAW. IN THE EVENT
ACCOUNT MUST BE PLACED FOR COLLECTION, PURCHASER SHALL
BE RESPONSIBLE FOR ALL REASONABLE ATTORNEYS FEES AND
COSTS INCURRED BY IEC IN SECURING PAYMENT.
13. PURCHASER SHALL NOT CANCEL THE CONTRACT WITHOUT PRIOR
WRITTEN CONSENT OF IEC. IN THE EVENT PURCHASER CANCELS
THE CONTRACT WITH THE PRIOR WRITTEN CONSENT OF IEC AFTER
THE PURCHASER'S OFFER TO PURCHASE IS RECEIVED AND
ACKNOWLEDGED IN WRITING, IEC SHALL BE ENTITLED TO RECEIVE
FROM PURCHASER, IEC'S COST PLUS A REASONABLE ALLOWANCE
FOR OVERHEADAND PROFIT.
14. PURCHASER SHALL NOT ASSIGN ANY OF ITS INTEREST RIGHTS
UNDER THIS AGREEMENT WITHOUT WRITTEN CONSENT OF IEC.
15. IEC WILL NOT FURNISH LIEN WAIVERS OR RELEASES UNTIL IEC
RECEIVES PAYMENT, IN FULL, AT ITS OFFICE IN OKLAHOMA CITY,
OKLAHOMA, FROM PURCHASER FOR THE GOODS COVERED BY THIS
ORDER. PARTIAL LIEN RELEASES WILL BE PROVIDED IF REQUESTED.
Page 30
Warranty
16. ALL ORDERS ARE EXPRESSLY LIMITED AND MADE CONDITIONAL
UPONACCEPTANCE BY PURCHASER OF THE TERMS AND CONDITIONS
LISTED ABOVE WITHOUT CHANGE. THERE SHALL BE NO
UNDERSTANDINGS, AGREEMENTS, OR OBLIGATIONS (OUTSIDE
THESE TERMS AND CONDITIONS) UNLESS SPECIFICALLY SET FORTH
IN WRITING, AND ACCEPTED BY SIGNATURE OF AN AUTHORIZED
REPRESENTATIVE OF IEC IN OKLAHOMA CITY, OKLAHOMA.
P/N 88-571
Rev. 1
P.O. Box 2598 • Oklahoma City, OK 73101-2598 405.605.5000 [phone] 405.605.5001 [fax] www.iec-okc.com • • •
©2007 International Environmental Corporation (IEC). IEC is a subsidiary of LSB Industries, Inc. - AMEX symbol LXU; www.lsb-okc.com
I100-90006969
Page 31
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