ELECTRICAL
The Rotational Control (BDCB-RC4HP) requires 24VAC 500Ma minimum input. The primary wiring must be in
accordance with Local Codes and that of the National Electric Code. Low voltage wiring must be isolated from primary
voltage lines and connections.
All units are provided with wiring diagrams and name plate data to provide information required for necessary field
wiring. Knockouts are provided on the cabinet for connection of power supply. Follow the color-coded schematic of low
voltage wiring that is located inside the BDCB-RC4HP Rotational Control Panel.
Scranton, IA 51462
Phone (712) 652-3424
www.bdmfginc.com
5
24V AC
in +/-
XY2
XY1
B & D TEMPERATURE CONTROLLER
RELAY
TEMP
GND
C3
C4
R5
PGM
GND24 TX
Q1
VR1
D1 C1
R3
R2 R4
R11
R12
ZR1
R1
RELAY
C
NO NC C
NO
NC
D2
Q2
R10R9
Q3
R8R7
B & D TEMPERATURE CONTROLLER
RELAY
TEMP
GND
C3
C4
R5
PGM
GND24 TX
Q1
VR1
D1 C1
R3
R2 R4
R11
R12
ZR1
R1
RELAY
C
NO NC C
NO
NC
D2
Q2
R10R9
Q3
R8R7
B & D TEMPERATURE CONTROLLER
RELAY
TEMP
GND
C3
C4
R5
PGM
GND24 TX
Q1
VR1
D1 C1
R3
R2 R4
R11
R12
ZR1
R1
RELAY
C
NO NC C
NO
NC
D2
Q2
R10R9
Q3
R8R7
H2TC-AH2TC-BH2TC-C
YELLOW
GREEN
GRAY
YELLOW
GREEN
GRAY
YELLOW
GREEN
GRAY
WHITE
GRAY
BLACK
WHITE
GRAY
BLACK
24VAC-XR
XO
XY2
XY1
24VAC-XR
XO
XY2
XY1
24VAC-XR
XO
XY2
XY1
24VAC-XR
XO
XO
XR
XY
Y1
Y2 XO
XR
PUMP 4
Y1
Y2 XO
XR
PUMP 3
Y1
Y2 XO
XR
PUMP 2
Y1
Y2 XO
XR
PUMP 1
CIT RELAY
10A/277VAC
COIL: 24VDC
CIT RELAY
10A/277VAC
COIL: 24VDC
CIT RELAY
10A/277VAC
COIL: 24VDC
CIT RELAY
10A/277VAC
COIL: 24VDC
CIT RELAY
10A/277VAC
COIL: 24VDC
CIT RELAY
10A/277VAC
COIL: 24VDC
CIT RELAY
10A/277VAC
COIL: 24VDC
CIT RELAY
10A/277VAC
COIL: 24VDC
CIT RELAY
10A/277VAC
COIL: 24VDC
CIT RELAY
10A/277VAC
COIL: 24VDC
CIT RELAY
10A/277VAC
COIL: 24VDC
CIT RELAY
10A/277VAC
COIL: 24VDC
24VAC IN
500ma min
24VAC Out
H2TC-A
B3-6CR
H2TC-B
H2TC-C
WHITE
GRAY
BLACK
Max Pumps
2nd Stage
Delay (mins)
WARNING: Field installation must be wired in strict accordance with the wiring diagram that is
supplied with the unit. Failure to do so could result in damage to components and will void all
warranties.
24V EQUIPMENT TERMINAL CONTACTS
EQUIPMENT #1
EQUIPMENT #2
EQUIPMENT #3
EQUIPMENT #4
POWER TO
ROTATIONAL BOARD
TERMINAL CONTACTS
DEMAND SIGNAL
TERMINAL CONTACTS
EXAMPLE:
HSS BUFFER MAIN BOARD
OTHER WATER DEVICES
BDCB–RC4HP CONTROL PANEL WIRING SCHEMATIC
WARNING: These panels are designed for use with 24VAC. Do not use other voltages! Use caution to
avoid electric shock or equipment damage. All work should be performed to local and national codes
and ordinances.
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