Your thermostat carries an 24 months warranty from
date of purchase. Service outwith the warranty
period may incur a charge.
Warranty
Wiring your thermostat
Please note:
Do not over-tighten the terminals in your thermostat
as damage may occur.
Installing your thermostat
Your thermostat is suitable for installation within
a standard 86mm pattress box or European 60mm
round pattress box.
Step 1. Keep power off. See Fig 1.
Fig 1
Step 2. Remove the mounting Plate. See Fig 2.
Fig 2
Fig 3
Step 3. Connect power supply, load and external (floor) sensor
into the appropriate terminals if there is external sensor.
(see “Wiring your thermostat” for details and Fig 3).
Step 4. Fix the mounting plate into the wall with screws in
the box. See Fig 4
Fig 4
Step 5. Fasten body of thermostat and the mounting plate
through the groove. See Fig 5.
Fig 5
Step 6. Installation complete. See Fig 6.
Fig 6
RISK OF ELECTRICAL SHOCK.
Disconnect/isolate
power supply prior to making electrical connections.
Contact with high voltage components can cause electrical
shock, severe injury or death.
No.
Function
Settings & Options
Default
1
Temp.
Calibration
-2
3
Lock
00: All the buttons are locked except
POWER
01: All the buttons are locked
01
4
01
5
Min. Set Temp.
5-15°C
18
6
Max. Set Temp.
5-35°C
32
7
00: Display both set temp. and
room temp.
01: Display set temp. only
9
10
11
Modbus IP address
0X00-0XFF
01
-9 to 9
12/24 Hour clock
00:12h 01:24h
8
Display Mode
00
01
Baudrate
1:9600;2:19200;3:38400;4:56000;5:115200
1
4. Setting functions and options
During power off, press and hold at the same
time for 5 sec. to system functions. Then press M
to change the different items.
All the settings will confirm automatically when
M
Press or to set the relative values.
power is on.
AC/DC 24±10%V 50~60Hz
+_
42
mo
c_
42
No available
No available
No available
00
1
The room temperature is provided by the built-in sensor on the thermostat.
An external 10k NTC sensor can be connected to the thermostat to provide
additional temperature input. Externally sensed temperature is only readable
on the Modbus.
A/+ B/-
10k NTC*
ORC-HC2-24D-RS485-WHF
8003/5331
ORCOMM
10k NTC* - Compatible sensors
tested and approved by Orcomm
10K NTC* - Compatible sensors tested and approved
by Orcomm
External sensor
Temp. Calibra�on
-9 to 9
°C
°C
0
12