Samsung AM CNB C AA Series Technical Data Book page 71

13. Installation
• Terminal of this product is for 2Way valve and the maximum allowable current is 0.5 A
CAUTION
Specification table
Part
Terminal block (Output)
Connection type
Output (B15~B17)
Wiring 2Way valve
When floor cooling and fan coil unit cooling operate at the same time, 2 way valve prevent temperature drop of
the floor.
▶ Use a rated wire to connect it as shown in the illustration and fix it with a cable tie.
▶ Initial setting of the valve is 'closed (no flow)'.
Normal close type
2Way
valve (N/C
type)
*N/C (Normal closed)
Normal open type
2Way
valve (N/O
type)
*N/O (Normal open)
• Wiring is different for a N/C (Normal closed) valve and N/O (Normal open) valve.
CAUTION
When it is closed
DHW
Mixing tank
2Way valve
When it is closed
DHW
Mixing tank
2Way valve
Specification
B15: Output power N
B16: Output power L (switch type) B17:
Output power L (switch type)
Directly connect 2Way valve (below 0 .5 A)
AC 208 ~ 230 V (Max 0.5 A / 120 W)
When it is opened
Mixing tank
2Way valve
When it is opened
Mixing tank
DHW
DHW
2Way valve