Quality Heating PRF-78 thermostat
User Guide
Welcome
Your new thermostat will provide years of reliable
service. Using this digital thermostat will provide
more uniform comfort in your home through the
seasons. Thank you for buying the product!
Please read this manual for complete instructions
on installing and operating your thermostat. If you
require further assistance, please feel free to
contact us.
Thermostat
Screws
User Guide
Wall plate
1pc
2pc
1pc
1pc
We offer the warranty of 18 months from the sales day
If it is not the problem of quality or beyond the warranty
time, we will charge for the after-sale service.
In the box you will find
Service
About your thermostat
Features of your thermostat
Modern design similar as a cell phone.
Beautiful Frame CHROME creates elegant life.
Acrylic lenses to avoid the finger scrath.
Touch Button makes simple operation.
Large screen display with backlight is easy to
read—even in the dark.
5+2 or 6+1 six periods program schedules
maximize comfort and economy.
.
One-touch temp control overrides program
schedule at any time.
Precise comfort control keeps temperature within
1°C of the level you set.
Internal and external sensor selectable is
suitable for any place.
Data memory when power is off.
Easy installation.
Model definition of your thermostat
Home screen quick reference
Operation
1. Setting Power on/off
Press to turn on/off the power.
2. Setting Temperature
Press to set the temperature.
3. Setting the Clock
Press to set minute, hour and week.
Press for adjusting.
Press again to leave time setting.
3. Adjusting program schedules
Press and hold to weekly programmable setting.
12345 will display on the screen.
Press to time setting of the first period.
Press to temperature setting of the first period.
PRF-78 is a thermostat, used as
controlling floor electric heating or water heating
system electric actuators open or close. The
thermostat is used in the commercial, industrial,
hospital, hotel, hotels, civil buildings and villas for
heating control.
Suitable for 86mm hidden box and european 60mm
round box.
RS485/MODBUS communication is optional.
Power Up Down
Clock
Mode
Time
Timing on/off
AM/PM
Room Temp.
Set Temp.
Manual
Lock
Period
Floor Temp.
Heating On
Programmable
Temp.
Week
GA: Water heating, 3A
L: Backlight
P: Weekly programmable
For example:
PRF-78
GAS2LP
GB: Electric floor Heating, 16A
N/A: Internal sensor only
S2: Both internal sensor and floor external sensor
N: RS485
Technical Data of your thermostat
Sensor
：
NTC
Accuracy
：
±1
℃
Power Consumption
：
< 1.5W
Timing Error
：
<1
％
Power Supply
：
95 ~ 240VAC, 50 ~60Hz
Current Load
：
3A
（
water heating
)，
16A
（
electric heating)
Shell material
：
PC+ABS (flame retardant)
Dimension
：
86x86x13.3mm
Ambient Temp.
：
0-45
℃，
5-95
％
RH
（
Non-condensing
）
Storage Temp.
：
-5-55
℃
Installation Hole distance: 60mm
Press M to change manual and weekly programmable.
P and N could not be compatible at the same time.
Set
Temp. Range
：
5-35
℃
Room Temp. Range
：
5-99
℃
