Wiring diagrams – Qmark CWH3000 Series - Commercial Fan-Forced Wall Heaters User Manual
Page 5
Wiring Diagrams
5
MANUAL
RESET
LIMIT
DISCONNECT
L1
L2 or N
ELEMENT
ELEMENT
F.D.
FAN MOTOR
F
T-STAT
L1 OFF
CYC
L2
MANUAL
RESET
LIMIT
DISCONNECT
L1
L2 or N
ELEMENT
ELEMENT
F.D.
FAN MOTOR
F
T-STAT
L1 OFF
CYC
L2
DISCONNECT
L1
L2 or N
F.D.
L1 OFF
CYC
L2
FAN MOTOR
MANUAL
RESET
LIMIT
ELEMENT
T-STAT
DISCONNECT
L1
L2 or N
F.D.
L1 OFF
CYC
L2
FAN MOTOR
MANUAL
RESET
LIMIT
ELEMENT
T-STAT
FAN MOTOR
MANUAL
RESET
LIMIT
T
T-STAT
L1 OFF
CYC
L2
DISCONNECT
L1
L2 or N
F.D.
S
E
C
P
R
I
ELEMENT
ELEMENT
FAN MOTOR
MANUAL
RESET
LIMIT
T
T-STAT
L1 OFF
CYC
L2
DISCONNECT
L1
L2 or N
F.D.
S
E
C
P
R
I
ELEMENT
ELEMENT
Wiring Diagram 1:
1500, 1800, 4800, 4000, & 3000 Watt Heaters
120V, 208V, 240V, or 277V (Full wattage heaters can be
converted to half wattage by removing the red jumper wire
connecting the top and bottom element terminals.) See Wiring
Diagram 6 for 4800W, 208V.
NOTE: Conversion to half wattage not applicable to
WHB3150FC and WHB3180FC.
Wiring Diagram 3:
4800, 4000, & 3000 Watt Heaters
347V, 600V
Wiring Diagram 2:
2000 & 1500 Watt Heaters
208V, 240V, OR 277V
Red
Jumper
Wire
Transformer
Motor
Element
C
6
2
4
8
1
0
C
Manual
Reset
Heat
Thermostat
O
L1
L1
L2
L2/N
C
Time Delay
For Fan
Fan Only
Switch
To
Disconnect
Switch
P
R
I.
S
E
C.
Wiring Diagram 4:
1500/2000 Watt Heaters
347V, 600V
ELEMENTS
FAN
MOTOR
FAN
DELAY
RELAY
FIELD WIRING
GND
THERMOSTAT MANUAL
RESET
1
6
8
4
6
2
CYC
L1
L2
OFF
DISCONNECT
E
ELEMENTS
FAN
MOTOR
FAN
DELAY
RELAY
FIELD WIRING
GND
THERMOSTAT MANUAL
RESET
1
6
8
4
6
2
CYC
L1
L2
OFF
DISCONNECT
E
Wiring Diagram 5:
Three Phase Wall Heaters
ELEMENTS
FIELD WIRING
GND
DISCONNECT
FAN
MOTOR
FAN
DELAY
MANUAL
RESET
RELAY
1
0
8
4
6
2
CYC
L1
L2
OFF
ELEMENTS
FIELD WIRING
GND
DISCONNECT
FAN
MOTOR
FAN
DELAY
MANUAL
RESET
RELAY
1
0
8
4
6
2
CYC
L1
L2
OFF
Wiring Diagram 6:
4800 Watt Single Phase Heaters
208V