The 16E09-101 is a single stage electronic temperature control, with a Nema 1 rated enclosure, and can be used for most
applications within the temperature control range of -40° to
220°F, (-40° to 104°C). The control has an SPDT (Single Pole
Double Throw) output load relay.
The control has user options to control differential, anti-short
cycle delay, set back, offset, alarms and more. It includes an
NTC (Negative Temperature Coefficient) thermistor temperature sensor, and can be used with certain other NTC or PTC
(Positive Temperature Coefficient) thermistors that meet the
specified resistance vs. temperature specifications. See the
tables on page 7.
The control can fit many applications, which range from
refrigeration to heating due to the wide temperature range of
the control stated above. Typical applications include walkin freezers, beverage coolers, supermarket display cases
for flowers, produce, meats, convenience store refrigerated
cases, food warmers, boiler control, and certain industrial
applications.
16E09-101
Universal Electronic Temperature Control
INSTALLATION AND
OPERATION INSTRUCTIONS
PRECAUTIONS
• Failure to read and follow all instructions carefully before
installing or operating this control could cause personal
injury and/or property damage.
• To prevent electrical shock, personal injury and/or
equipment damage, disconnect electric power to system
at main fuse or circuit breaker box prior to installation
or service.
Well Heat Transfer Compound ............................. F145-0163
www.white-rodgers.com
www.emerson.com
PART NO. 37-6857G
Replaces 37-6857F
1016
FRONT VIEW
BOTTOM VIEW
RIGHT SIDE VIEW
REAR VIEW
6.73”
2.8”
.76”
5.59”
.85”
2.54”
1.54”
2.91”
4.19”
1.58”
LEFT SIDE VIEW
.85”
5.59”
COOL
HEAT
SW1
COOL
HEAT
SW1
TEMPERATURE UNITS INDICATOR (°F or °C)
ACTUAL TEMPERTURE
AT TEMPERATURE SENSOR
SETPOINT TEMPERATURE
HEATING MODE INDICATOR ( )
COOLING MODE INDICATOR ( )
BINARY INPUT INDICATOR
LIT WHEN UNIT IS IN
“SETBACK” MODE
REFER TO PAGE 6
STATUS INDICATOR LED
LIT WHEN CONTROLLED LOAD
IS ENERGIZED (ON).
(SEE NOTE)
TEMPERATURE “UP” BUTTON
TEMPERATURE “DOWN” BUTTON
MENU BUTTON
PRESS TO ENTER MENU MODE
REFER TO PAGES 4 & 5
INSTALLATION
To prevent electrical shock and/or equipment dam-
age, disconnect electric power to system at main
fuse or circuit breaker box prior to installation or
service.
Where failure of this control may result in personal
injury and/or property damage, additional alarms or
limit controls must be installed.
This control is a temperature control and is not to
be used as a temperature limit control.
Fig. 1 Control Front View and Description
The control has a user selection for changing the setpoint to
be either the Cut In or the Cut Out setting. The user must be
careful to understand how this effects the “range” in which
the control will operate when the differential value is entered.
If entered values are incorrect, the control could operate
outside the user’s intended settings due to set-up error. See
section titled "Operation".
Circuit Board
Inside Cover
NOTE:
Green Status Indicator LED and display backlight operation
It may be observed from time to time that the green status indicator LED and
display back-light will briefly turn off during a call for heating or cooling. During this
time, the control is performing a self-check lasting up to 15 seconds. This is normal
operation of the control and the load power will be maintained
Fig. 2 Control Dimensions and Mounting Information
Switch SW1 must be set for
system mode as shown:
SW1
RefrigerationCool
HeatingHeat
2
WIRING
Fig. 4 Line Voltage Application
(Non-Power Stealing)
SW2
PTC
BIN
GND
ALARM
NTC
PS
NC
NEUT
LINE
LOAD
24 VAC
TH TR
Binary Input
(Gold Plated
Contacts)
NTC*
Te mperature
Sensor
PTC*
Te mperature
Sensor
120 VAC
Hot
Neutral L1L2
208/240
VAC
Voltage Input
Load
NON
PS
Alarm Output
For optional connection
to customer alarm equipment
24 VAC (Block not used)
TH - Thermostat Hot
TR - Thermostat Return
Fig. 5 24 VAC Applications
(Non-Power Stealing)
SW2
PTC
BIN
GND
ALARM
NTC
PS
NC
NEUT
LINE
LOAD
24 VAC
TH TR
Binary Input
(Gold Plated
Contacts)
Note: Do not use Output
Relay to control Line Voltage
when using 24 VAC Power
NTC*
Te mperature
Sensor
PTC*
Te mperature
Sensor
24 VAC
Class 2
Transformer
Load
NON
PS
Alarm Output
For optional connection
to customer alarm equipment
24 VAC
TH - Thermostat Hot
TR - Thermostat Return
NC contact
operates opposite
of load contact
PTC
BIN
GND
ALARM
NTC
SW2
PS
NON
PS
NC
NEUT
LINE
LOAD
24 VAC
TH TR
Alarm Output
For optional connection
to customer alarm equipment
Binary Input
(Gold Plated
Contacts)
24 VAC (Block not used)
TH - Thermostat Hot
TR - Thermostat Return
NTC*
Te mperature
Sensor
PTC*
Te mperature
Sensor
Fig. 3 Line Voltage Application
(Power Stealing)
120 VAC
Hot
Neutral L1L2
208/240
VAC
Voltage Input
Load
Wiring Instruction Notes
Switch Settings
Switch SW2 must be set for applications as shown:
SW2
Line Voltage (Power Stealing)PS
Line Voltage (Non Power Stealing)Non PS
24 VAC (Non Power Stealing)Non PS
Power Stealing
Power Stealing is an electronic design within the control that
can eliminate the need to connect a neutral line to power the
control. The control receives power from the unit it is controlling. Power Stealing saves time and money by often eliminating the labor to run a neutral wire to the control for power. See
compatibility chart below for certain limitations.
Power Stealing Compatibility Chart
Application
Line Voltage, replacing existing
Power
Stealing
YesYes
Non-Power
Stealing
control that has a common wire
Line Voltage, with load greater
YesYes
than 2.5 amps, without Defrost
timer or other power interruption
circuit, with or without alarm
(See "Special Note"
in "Operation Section"
for Alarm)
Line Voltage, with load greater
than 2.5 amps, with Defrost
timer of other power interruption
circuit, no alarm
Line Voltage with load greater
than 2.5 amps, with Defrost
timer or other power Interruption
circuit, with alarm
Line Voltage with load less than 2.5
amps
24 VAC ApplicationNoYes
NOTE 1: During defrost or time when load circuit is broke,
* NTC – Negative Temperature Coefficient
PTC – Positive Temperature Coefficient
NOTE: Only one sensor (PTC or NTC) may be connected. Sensor must
meet specific temperature vs. resistance specifications.
display will be blank because power has been
interrupted to the control. All menu settings and
setpoint will be restored when power is returned.
See
Note 1
NoYes
NoYes
Yes
3
USER MENU
USER MENU OPERATION SETTINGS:
The control has user Menu settings that will determine how
the control operates. The unit is shipped with factory default settings. The user must change any of the settings as
required for the application. To reset all settings to factory
defaults, press and hold all 3 buttons simultaneously (
, and buttons) for approximately 5 seconds.
To view Menu items, press and hold for 5 seconds.
The unit will display the first Menu item on the left side of the
display. The right side of the display indicates the Menu item
settings. To change the setting, momentarily press the
key.
A momentary press of the
the next Menu item, and continues, till the last menu item is
displayed. Pressing the key one more time with the last menu
item, (aL) displayed returns the control to the operating mode.
Menu
ItemDescription
CFTemperature ScaleFC or FSelects temperature display in Fahrenheit or Celsius
dFFDifferential51 to 30Selects the range between Cut In and Cut Out.
SPSet Point Mode
Cool
Heat
SOFSensor Operation Failure
Cool
Heat
dLDisplay LightOffOn or OffSelects the LCD display light Off or On. With this
ASdAnti Short-Cycle DelayCool
LPLock Front Panel KeypadOffOn or OffWhen selected Off, the keypad can be used as normal.
OFSAmbient Temperature
Offset
key advances the display to
Factory
Default
Cl
CO
1
0
1
Heat
0
0-4, -3, -2, -1, 0,
or
Options
Press or
to selectComments
CO or CI
CI or CO
0 or 1
None
0 to 12Selects the minimum time (in minutes) that the load
1, 2, 3, 4
Each press of results in forward movement to the next
Menu item. If you need to change an item “passed”, you
must repeatedly press , return to the operating mode,
then press and hold for 5 seconds to re-enter the Menu
mode. Then repeatedly, momentarily press until the
,
desired Menu item is again displayed.
To store any changes made to any Menu items, the Menu
must be exited by pressing when the last item is
displayed. If no buttons are pressed for ten minutes while in
the menu, the control will return to operating mode and any
changes that were made will be lost.
The following table shows the menu items, default settings
and optional settings.
NOTE: The Heat/ Cool switch (SW1) MUST be in the proper
position BEFORE setting options.
Selects how the set point temperature will operate the
load terminal. CI indicates the setpoint temperature
will be the Cut In temperature. CO indicates the
temperature will be the Cut Out temperature. See
Operation section.
Cooling - Selects the operation of the Control Load
relay in the event of a sensor failure in Cool mode. 1
(default) will cause the load contacts of the relay to
close and remain closed if the sensor either opens or
shorts. 0 causes the load contacts of the relay to open
and remain open.
Heating has no optional selection. Sensor failure
in Heating will result in the relay contacts opening.
selected Off, the display light will illuminate any time a
keypad button is pressed to provide better viewing in
low lighting conditions, and go off after 10 seconds. If
On is selected, the display light will be On continuously.
contacts will remain open after a cycle before closing
again. This will prevent the compressor or other load
from being damaged by cycling too soon. A blinking
Snowflake or Flame icon indicates that the control has
a demand to energize the load, but is waiting for the
delay time to elapse. A setting of 0 indicates no time
and the feature is disabled. SW1 must be set to the
proper position before checking this setting.
When selected On, prevents unauthorized access to
the control settings by locking out all keys. To unlock
the control when it is locked, press and hold the Menu
key for 5 seconds.
This control is calibrated at the factory, but the “sensed"
temperature may read different because of mounting/installation, or other factors. This item allows the
displayed temperature to be shifted the number of
degrees set to compensate for this difference
4
40° Setpoint (Cut In)
35°
SW1 = Cool
Set Point (SP) = Cut In
Differential = 5
Setpoint temperature = 40°
Temperature
Range
40° Setpoint (Cut Out)
45°
SW1 = Cool
Set Point (SP) = Cut Out
Differential = 5
Setpoint temperature = 40°
Temperature
Range
100° Setpoint (Cut Out)
95°
SW1 = Heat
Set Point (SP) = Cut Out
Differential = 5
Setpoint temperature = 100°
Temperature
Range
100° Setpoint (Cut In)
105°
SW1 = Heat
Set Point (SP) = Cut In
Differential = 5
Setpoint temperature = 100°
emperature
ane
USER MENU
Options
Menu
ItemDescription
bInBinary InputOffOn or OffThe default setting of Off will have no affect on the
SbSet Back00 to 50Selects the number of degrees the thermostat will
ALAlarm00 to 99Selects the time delay (in minutes) before a Tempera-
Factory
Default
Press or
to selectComments
operation of the thermostat. When set to On, it allows
an external binary input (switch or relay) to start a temperature set back. See Set Back (Sb).
change the setpoint temperature when the external
binary input signal is received. 0 will cause no temperature change to occur. See Binary Input (bin).
ture Out of Range alarm output is sent.
A setting of 0 disables the alarm relay.
OPERATION
This control is a temperature control and is not to
be used as a temperature limit control.
To prevent scald injury, do not use this control to
heat water for bathing, washing, hot tub or similar
applications.
The factory default setpoint for this control is 45°F (7°C) for
Cool and 120°F (49°C) for Heat. Setpoint temperature can
be adjusted using the
lose the settings. All menu item selections and setpoint setting are stored in a permanent memory.
The user determines the temperature operating range. To
determine the temperature range, the user must select the
Set Point (SP) as the Cut Out or Cut In temperature, Differential (dFF) and enter a set point temperature. Cut out
is when the load is turned off and cut in is when the load is
turned on.
NOTE: The Heat/ Cool switch (SW1) MUST be in the proper
position BEFORE setting options.
COOL/REFRIGERATION
To use as a Cooling control, SW1 must be set to Cool. The
snowflake (
If control is in Cool mode, and Set Point is selected as the
Cut In:
Temperature
Operating = Setpoint – Differential
Range Temperature
Example:
) icon will display.
or keys. A power loss does not
(minus)
If control is in Cool mode, and Set Point is selected as the
Cut Out:
Temperature
Operating =
Range
Example:
Setpoint
Temperature
+ Differential
(plus)
HEAT
To use as a Heating control, SW1 must be set to Heat. The
flame ( ) icon will display.
If control is in Heat mode, and Set Point is selected as the
Cut Out:
Temperature
Operating =
Range
Example:
If control is in Heat mode, and Set Point is selected as the
Cut In:
Temperature
Operating =
Range
Example:
Setpoint
Temperature
Setpoint
Temperature
– Differential
+ Differential
(minus)
(plus)
5
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