Freezingprotectionmode
Freezing protection can be selected as disabled
(default) or enabled. In freezing protection mode
(no such mode in cool only application), when
thermostat is in OFF mode while the acquired
temperature is below 6
o
C, the thermostat will start
heat mode until the temperature rises to 8
o
C or the
thermostat is turned on.
On/offmode
Pressing power button can switch between on and
off mode.
Technical specification
Power supply 110 (+/-10%) VAC, 220(+10%,
-15%)VAC
Frequency
50/60Hz
Control algorithmPI, On/off output
Accuracy
+/-1
o
C at 21
o
C
Rating capacity For 220V power supply:
4(2)A for fan load, 2(1)A for zone
valve
For 110V power supply:
4(2)A for fan load, 2(1)A for zone
valve
Cycle times
100,000
次
Setpoint range 10~32
o
C
Display range 0~37
o
C
Installation
Installed on 86×86mm junction
box or US2×4 inch.
ProtectionClass IP20
Environmental
Operation temperature -18~49
o
C
Conditions
Shipping temperature -35~65
o
C
Relative humidity 5~90%
Terminal Designations
Item Terminal
Description
1
Cc
Cooling close
2
Y
Coolingopen
3
L
ACPower
4 Ch/Cc
Heating close/Cooling close
5 W/Y
Heating open/Cooling open
6
N
ACGround
7 Gh
High speed fan relay
8 Gm
Medium speed fan relay
9
Gl
Low speed fan relay
10 Sc Ground for remote sensor and remote setback
11 RSB
Remote set back
12 Rs
Remote sensor
Wiringdiagrams
Application 1: 2 pipes heat onlywiring diagram
INDICATESTHERMOSTAT
HASBEENSETTIMEOFF
1
2
4
5
6
7
8
9
10
N
L
11
12
3
Heat valve
Fan
RemoteSetback
RemoteSensor
Typical wiring for ON/OFF control in 2 pipe heating
only (VC4013)
1
2
3
4
5
6
7
8
9
10
N
L
11
12
1
2
4
5
6
7
8
9
10
11
12
3
Heat valve
Fan
RemoteSetback
RemoteSensor
Typical wiring for ON/OFF control in 2 pipe heating
only (VC6013)
APH07CH04
-
R2001EN
