Shenzhen Willhi Electronics WH7016C User manual

Thermostat Product
Manual
Shenzhen Willhi Electronics Co., Ltd.
Tel :[phone] Fax :[phone]
Technical support: Engineer Tian

电气性能：
Model
Temp Range
Precision
C/F
switch
Input
Relay
Alarm
WH7016C
-50℃～110℃/
-58℉～230℉
1degrees
NO
Optional 12V 24V 110V
220V
Optional 10A
30A
NO
WH7016C+
0.1/1
degrees
YES
Optional 12V 24V 110V
220V
Optional 10A
30A
Tone
WH1603C
0.1/1
degrees
YES
Optional 12V 24V 110V
220V
Optional 10A
30A
Tone
WH7016E
-9.9℃～99.9℃
0.1
degrees
NO
Optional 12V 24V 110V
220V
10A
Tone +
output
WH7016E+
-50℃～110℃/
-58℉～230℉
0.1/1
degrees
YES
Optional 12V 24V 110V
220V
10A
Tone +
output
WH1603E
0.1/1
degrees
YES
Optional 12V 24V 110V
220V
10A
Tone +
output
WH7016G
1degrees
NO
Optional 12V 24V 110V
220V
10A
Tone +
output
WH7016D
-30℃～300℃/
-22℉～572℉
1degrees
NO
Optional 12V 24V 110V
220V
Optional 10A
30A
NO
WH7016D+
0.1/1
degrees
YES
Optional 12V 24V 110V
220V
Optional 10A
30A
Tone
WH1603D
0.1/1
degrees
YES
Optional 12V 24V 110V
220V
Optional 10A
30A
Tone
WH7016J
1degrees
NO
Optional 12V 24V 110V
220V
10A
Tone +
output
WH7016J+
0.1/1
degrees
YES
Optional 12V 24V 110V
220V
10A
Tone +
output
WH1603J
0.1/1
degrees
YES
Optional 12V 24V 110V
220V
10A
Tone +
output
WH7016N
0℃～999℃
1degrees
NO
Optional 12V 24V 110V
220V
Optional 10A
30A
Tone
Measure Accuracy：< 0.5℃
Ambient working temperature：-40℃～80℃
Power consume: <2W
Data record：YES

3 765421
cool/
heater
load
alarmer
power
input
ON
lock
power sensor
①Installation Mounting Size:
②Wiring diagram：
Apply to ：WH7016E WH7016G WH7016J WH7016E+
WH7016J+ WH1603E WH1603J
Terminals 1 and 2: Connect the cooler or heater
Terminals 1 and 3: Connect alarm
Terminals 4 and 5: Connect the power
Terminals 6 and 7: Connect temperature sensor
Lock switch:
Switch either “1” or “2” to “ON”, press “SET” 3 seconds to disable t
he advance model, user only can change temperature but can't
reset the system

sensor
ON
lock
Load Power
Load
temperature
power input
Load and temperature control use
the different power
power input
Load
Load and temperature control use the
same power
654
sensor
Power
321
1 2 3
Power
4 5 6
lock
ON
Diagram 2：
Apply to ：WH7016C WH7016D WH7016C+ WH7016D+
WH1603C WH1603D WH7016N
Terminals 1 and 2: The output of cooling and heating.
Terminals 3 and 4: Connect the power
Terminals 5 and 6: Connect temperature sensor
Lock switch:
Switch either “1” or “2” to “ON”, press “SET” 3 seconds to disable
the advance model, user only can change temperature but can't
reset the system
◆LED Status Description:
The WORK light is used as working indicator lights, flashing is to indicate the
delay of cooling or heating, if the LED is always on, it indicates it is on the
status of cooling or heating .
The SET light is used as setting indicator lights, if the LED is always on, it
indicates it is on the status of setting.

◆Turn on or off the thermostat:
When it is wired up, the state of being acquiescent is power on.
Press RST key to switch on and off, press the RST key once on the power-off
state to turn it on. On the power-on state, press the RST key and hold on for
three seconds, then it will be off.
※Startup and shutdown timing:
Press the RST key once in the standby mode to start the timing out-put. scr
een alternately displays the remaining time and the current temperature; re-pr
essthe RST key once to turn off the timing output, screen alternately displays
OFF and the current temperature.
◆OFF temperature ：
In the Standby mode, press the SET key once to enter the OFF temperature
setting, press ▲ or ▼ button to adjust, press ▲ or ▼ button and hold on for three
seconds to enter the fast adjusting mode, press the SET key again and back to
the standby mode.
◆ON temperature s：
In Heating mode: ON temperature= OFF temperature- Difference
In Cooling mode: ON temperature= OFF temperature+Difference
Set The Difference in the setting menu.
◆system menu settings：
Press SET key and hold on for three seconds to enter the controlled-
parameters setting, press the ▲ or ▼ key to select the adjustment menu, press
SET key once to enter the appropriate parameter settings, press ▲ or ▼ to
adjust the parameters needed to be modified. After being adjusted, press the
RST key to exit, or exit as the system delay for 5 seconds.
◆Menu code statement:
Symbol
Details
Remark
HC
Heating / cooling
H= Heating C= cooling
D
The temperature difference between ON and OFF
LS
The lower limit of setting OFF temperature
HS
The upper limit of setting OFF temperature
CA
Temperature calibration
PT
Delay time
Minutes
AH
High temperature alarm settings
AL
low temperature alarm settings
AT
Timer off
Minutes

◆Cooling, heating function:
Cooling Mode: When the measured temperature is higher than or equal to the
OFF temperature + Difference, the relay picks up to start the output; When the
measured temperature below the OFF temperature, the relay off and close the
output.
Heating mode: When the measured temperature is higher than or equal to the
OFF temperature, the relay off, turn off the output; When the measured
temperature below the OFF temperature - Difference, the relay picks up to
start the output.
Example for Setting: If it is set to heating mode, set the OFF temperature to 25
degrees, Difference is set to 5, then when the measured temperature is higher
than or equal to 25 degrees, the relay is off, close the output. When the
temperature is below 20 degrees, pick up the relay again, to start the output.
Example for Setting: If it is set to cooling mode, set the OFF temperature to 25
degrees, Difference is set to 5, then when the measured temperature is below
25 degrees, the relay is off, close the output. When the temperature is higher
than or equal to 30 degrees, pick up the relay again, to start the output.
◆Cooling, heating mode setting:
Press "SET" key and hold more than 3 seconds to enter the menu display, the
screen appears "HC" code, press the "SET" key to display the working mode,
press the "▲" or "▼" to adjust the display, C means cooling mode; H means
heating mode.
◆ Difference function:
Difference setting limits the maximum interval between the opening and
stopping.
In Heating mode: ON temperature= OFF temperature- Difference
In cooling mode: ON temperature= OFF temperature+Difference
◆Difference settings:
Press "SET" key and hold more than 3 seconds to enter the menu display,
with "▲" or "▼" key adjusted to the screen, appearing "D" code, press the "SET"
key to display the Difference set value, press "▲ "Or"▼"key to adjust the
parameters.

◆ Temperature calibration function:
When there is deviation between the measuring temperature and standard
temperature, use the temperature calibration function, make the machine
measurements value consistent with the standard temperature, the after
calibration temperature= the before calibration temperature + calibration value
(calibration value can be positive number, negative number, and 0) .
◆Temperature calibration settings:
Press "SET" key and hold more than 3 seconds to enter the menu display,
with "▲" or "▼" key adjusted to the screen, appearing "CA" code, press the
"SET" key to display the temperature calibration settings, press "▲ "Or"▼"key to
adjust the parameters.
For example: When we measure the probe temperature was 25 degrees, it
displays 25 degrees as the CA is 0, it displays 26 degrees as the CA is 1, it
displays 24 degrees as the CA is -1. This function is generally applied when
the probe can not measure directly the measured object. For example, we
place the probe at the outside of a cup to measure its water temperature, we
need to adjust the CA parameters because of the heat loss of the cup, so that
the display temperature can be in accordance with the one of the cup.
◆ Delay Protection Function:
In the cooling mode, the first power on, when the measured value above the
OFF temperature + Difference value, the machine will not immediately start
cooling, it needs to set the delay time, then the machine can run to start
cooling; once the interval between two cooling is larger than the delay time, the
machine immediately starts cooling, once the interval between two cooling is
less than the delay time, the machine must run the remaining delay time to
start cooling. The delay time is started to calculate from stopping the machine.
The delay time of heating mode is as same as the cooling mode.
Note: It is recommended that only the device that use compressor cooling can
use the delay start function, the user who don't need delay start function
please set this parameter to 0.
◆ Delay Protection Setting:
Press "SET" key and hold more than 3 seconds to enter the menu display,
with "▲" or "▼" key adjusted to the screen, appearing "PT" code, press the
"SET" key to display the delay setting value, then press the "▲ "or "▼"key to
adjust the parameters.

◆Upper and lower limit functions:
The setting of HS and LS limit the set range of OFF temperature point , for
example: HS is set to +15, LS is set to -10, the OFF temperature can only be
adjusted between -10 and +15, when the OFF temperature to -10 then press
"▼" key, the display will remain on the status of -10 and not decrease; when the
OFF temperature to +15 then press "▲" key, the display will on the status of 15
and not increase. If the set point outside this range, it needs to firstly change
the value of HS and LS, then it can be achieved.
◆Upper and lower limit settings:
Press "SET" key and hold more than 3 seconds to enter the menu display,
with "▲" or "▼" key adjusted to the screen, appearing "HS" or "LS" code, press
the "SET" key to display the upper or lower limit set value, Then press "▲" or
"▼" key to adjust the parameters. HS means upper limit. LS means lower limit.
◆High temperature alarm:
If the measured temperature≥OFF temperature + AH alarm output relay.
Thermostat alarm will sound, the display alternately shows H and the current
temperature. Alarm, press any key to stop the alarm and relay output.
◆High temperature alarm settings:
Press "SET" button and hold more than 3 seconds to enter the menu display,
with "▲" or "▼" button transferred to the screen appears "AH" code, press the
"SET" key to display the high-temperature alarm settings, press "▲ "or" ▼ "key
to adjust the parameters, When AH is set to 0, the High temperature alarm
function will be invalid
◆Low temperature alarm function:
If the measured temperature ＜OFF temperature-AL when the alarm output
relay. Thermostat alarm will sound, the display alternately shows L and the
current temperature. Alarm, press any key to stop the alarm and relay output.
◆low temperature alarm settings:
Press "SET" button and hold more than 3 seconds to enter the menu display,
with "▲" or "▼" button transferred to the screen appears "AL" code, press the
"SET" key to display the low temperature alarm settings, press "▲ "or" ▼ "key to
adjust the parameters
When AL is set to 0, the low temperature alarm function will be invalid

◆Timing off function:
In standby mode, the screen alternately displays OFF and the current
-temperature, the output is shut down;
Press RST key once Start the Timing out-put , it displays alternately the
remaining time or the current temperature, when the countdown is 0 close the
output into standby mode. When AT is set to 0, the timing off function will be
invalid. The output is controlled only by the temperature.
◆Timing off setting:
Press "SET" button and hold more than 3 seconds to enter the menu display,
with "▲" or "▼" button transferred to the screen appears "AT" code, press the
"SET" key to display the Timing off settings value, press "▲ "or" ▼ "key to
adjust the parameters
Advanced settings:（Only for model: WH7016C+ WH7016D+ WH7016E+
WH7016J+ WH1603C WH1603D WH1603E WH1603J）
Press SET and UP key and hold on for three seconds to enter the System
Advanced menu settings, press the ▲ or ▼ key to select the adjustment menu,
press SET key once to enter the appropriate parameter settings, press ▲ or ▼
to adjust the parameters needed to be modified. After being adjusted, press
the RST key to exit,
CODE
Functional Description
RE
C/F
Celsius, Fahrenheit selection
C：Celsius，F：Fahrenheit
ST
Conditioning step
01：Conditioning step 0.1 Degree
05：Conditioning step 0.5 Degree
DL
Timer off
ON：Open
OFF：close（Some models do not
have this option
）
U
Timing mode
OFF：Thermostat starts after
ON：Start time after startup
（Some models do not have this
option
）

⑥Errors indications:
1) When the sensor disconnected, the screen displays EEE
2) When the sensor detects the temperature is below the lowest temperature
that could be detected, the screen displays LLL.
3) When the sensor detects a temperature higher than the Maximum
temperature that could be detected, the screen displays HHH.
⑦Caution for using:
◆Please connect the correct operating voltage, the machine normally works
under the standard input voltage within range of ±10%.
◆The load power should not exceed the maximum thermostat control power,
when exceeding please connect external AC contactor.
◆Please connect the power load correctly and the sensor, or it will damage
the thermostat, when connect the wrong line .
◆Please do not put the sensor lines and power lines in parallel, power line
noise affects the accuracy of the measurement.