09
SPEEDKEY
PRODUCT
WIRING
08
SPEEDKEY
SK-AC2000
SK-AC2000
Electric Room
Thermostat
Electric Room
Thermostat
PRODUCT
WIRING
5
4
3
2
1
6
Q
C
PA
SS
SR
SR
N
N
N
(Cc)
(H)
(3)
(2)
(1)
(C)
(N)
(E)
(E)
(N)
(L)
5
4
3
2
1
3
2
1
E
E
H
N
N
C
L
6
Cc
5
4
3
2
1
SR
6
SR
N
N
Q
C
P
A
S
S
5
4
3
2
1
3
2
1
E
E
H
N
N
C
L
6
Cc
(H)
(3)
(2)
(1)
(C)
(N)
(E)
(E)
(N)
(L)
N
①
②
③
Air conditioning
touch control panel
Host for air conditioner controller
weak current control connection wire
6-bit control terminals
wiring terminal
6-bit control terminals
-closing
valve control
-heating
valve control
-fan 3rd level
-fan 2nd level
-fan 1st level
-valve control
-neutral line (output)
-earthing line (output)
-earthing line input
-Neutral line (input)(100-200
V
AC)
-live line(input)
Fan coil
Cooling
water valve
heating
water valve
(detachable SK-AC2000SYS) SR-Double valve circuit diagram
(see figure)
Electric Room Thermostat
Remark: SR's self-elastic spring valve can close
automatically when the power is off.
Air conditioning
touch control panel
6-bit control terminals
6-bit control terminals
weak current control connection wire
Host for air conditioner controller
-heating
valve control
-fan 3rd level
-fan 2nd level
-fan 1st level
-valve control
-neutral line (output)
-earthing line (output)
-earthing line input
-Neutral line (input)(100-200
V
AC)
-live line(input)
Fan coil
wiring terminal
heating
water valve
-closing
valve control
Electric Room Thermostat
(see figure)
(detachable SK-AC2000SYS) NSR-double valve circuit diagram
Remark: NSR has no self-elastic spring valve; the valve
has to be closed with electrical control.
Cooling
water valve