Specification Of Electronic Wire; Connection Diagram Of Ass'y Control - Samsung MCM-D201N Installation Manual

Installing an AHU KIT

Specification of electronic wire

Power supply
Max : 242V
Min : 198V
Decide the capacity of ELB and MCCB by below formula.
❋ X : The capacity of ELB, MCCB
❋ ∑Ai : Sum of Rating currents of each indoor unit.
❋ Refer to each installation manual about the rating current of indoor unit.
❋ Rating current
Unit
AHU KIT

Connection diagram of ASS'Y Control

Installation example 1) Connection diagram of 1 outdoor unit + 1 AHU
+ mA - A
1(L) 2(N)
MCCB/ELB or
ELCB
Sensor
220~240 V
(mA)
Supply
Sensor
power
(PT1000)
Input contact signal for fan operation
status and off power.
12
MCCB ELB
XA, 30 mmA
XA
0.1 s
The capacity of ELB, MCCB X [A] = 1.25 X 1.1 X ∑Ai
B C 3 4 F1 F2 F3 F4 V1 V2
Contact signal for AHU
fan ON
F4: Wired remote controller communication cable
F3: Wired remote controller communication cable
F2: Outdoor unit communication cable
F1: Outdoor unit communication cable
Power cable
2
2.5 mm
Model
MCM-D201N
Wired remote controller
1 2 Vd Vd
Defrost signal
Earth cable Communication cable
2
2.5 mm 0.75~1.5 mm
Rating current
0.5A
Outdoor Unit
2