Smart Wifi Multi Stage Thermostat
Reference No.:
HTW-81-FN7WF Series
7/7
We warrant this product to be free from defects in material and workmanship under normal and proper use for one year from
purchase date of the original purchaser. We will, at its option, either repair or replace any part of its products that prove defective by
reason of improper workmanship or materials. This limited warranty does not cover any damage to this product that results from
improper installation, accident, abuse, misuse, natural disaster, insufficient or excessive electrical supply, abnormal mechanical or
environmental conditions, or any unauthorized disassembly, repair or modification. This limited warranty shall not apply if: (i) the
product was not used in accordance with any accompanying instructions, or (ii) the product was not used for its intended function.
This limited warranty also does not apply to any product on which the original identification information has been altered, obliterated
or removed, that has not been handled or packaged correctly, that has been sold as second-hand or that has been resold contrary to
Country and other applicable export regulations.
HIDDEN MENU
In
Programmable Schedule(Programming)
Mode, long press and synchronically can enter into ISU process, and the password
is 5138. Press
or
can change the setting, and press
can save and switch to the following item.
Item
Explain
Range
Default
Remark
Pb
O/B terminal switch
0.0/1.0
0.0
0.0---O; 1.0---B
O=Reversing Valve in Heat pump
Cool Mode
B= Reversing Valve in Heat pump
Heat Mode
0
Controlling Type
0.0-7.0
0.0
See table “Controlling Type”
1
（
1H/1C
）
Differential
0.5
℃
/1
℃
/1.5
℃
/2
℃
1.0
℃
2
Temperature calibration
-10
℃
~10
℃
0.0
℃
3
Temperature setting upper limit
0-37
℃
37.0
℃
Upper limit value > lower limit
value
4
Temperature setting lower limit
0-37
℃
5.0
℃
5
Filter change reminder
1 /2 /30 /60 /90 /120 days
90 days
6
Clock format
12 /24 hours
24.0
7
Compressor protection delay
0~10min
1.0min
8
Back light setting
ON/OF
OF
ON back-lit always on
OF back-lit half bright when no
operation
9
Temperature format
℃
/
℉
℃
Reset to factory default value
OF/ON
OF
ON for resetting
Warranty
Installer Set-Up Process(ISU)
