07
SPEEDKEY
PRODUCT
WIRING
06
SPEEDKEY
PRODUCT
WIRING
SR
5
4
3
2
1
5
4
3
2
1
6
6
E
N
L
3
2
1
E
H
N
C
Cc
N
(Cc)
(H)
(3)
(2)
(1)
(C)
(N)
(E)
(E)
(N)
(L)
5
4
3
2
1
6
NSR
N
Q
C
PA
SS
5
4
3
2
1
6
E
N
L
3
2
1
E
H
N
C
Cc
(Cc)
(H)
(3)
(2)
(1)
(C)
(N)
(E)
(E)
(N)
(L)
Q
C
PA
SS
(detachable SK-AC2000SYS)SR-Single valve circuit diagram
(see figure）
Electric Room Thermostat
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
SK-AC2000
SK-AC2000
Electric Room
Thermostat
Electric Room
Thermostat
-fan 1st level
-valve control
-neutral line (output)
-earthing line (output)
-earthing line input
-Neutral line (input)(100-200
V
AC)
-live line(input)
Air conditioning
touch control panel
6-bit control terminals
Fan coil
Cooling and
heating
water valve
Electric Room Thermostat
(see figure）
(detachable SK-AC2000SYS) NSR-Single valve circuit diagram
6-bit control terminals
weak current control connection wire
Host for air conditioner controller
-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 and
heating
water valve
Remark: NSR has no self-elastic spring valve; the valve
has to beclosed with electrical control.
Remark: SR's self-elastic spring valve can close
automatically when the power is off.
