Night Operation (Sound Reduction) Control - Toshiba MiNi-SMMS MCY-MAP0501HT Service Manual

7-2-6. Night Operation (Sound Reduction) Control

n Feature
Sound level can be reduced with connecting outdoor interface P .C. board by restricting compressor and fan
speed.
n Wiring
Input wiring
n Function / Electric wiring diagram
Outdoor unit
SMC : Input signal for night operation
Terminal Input signal
ON
OFF
COOL
(SMC)
ON
OFF
[Reference]
Outdoor unit capacity type
Sound reduction (dB (A)) (Cooling / Heating) ∗1
Approximation capacity
∗1: This sound pressure level are measured in an anechoic chamber in accordance.
Location of microphone : The front of 1 m, a height of 1.5 m
Cooling : Outdoor temperature 25°C DB
Heating : Outdoor temperature 7°C DB, 6°C WB
∗2: Against Max. capacity
Cooling : Outdoor temperature 25°C DB
Heating : Outdoor temperature 7°C DB, 6°C WB
Size
2-core, 0.75 mm²
I/F P.C. board
Connection
cable
CN508
Operation
Night operation control
Normal operation
(Cooling / Heating) ∗2
Length
Up to 500 m
TCB-PCMO2E
COM
COOL
PJ17
HEAT
Shield
• Be sure to prepare non voltage continua-
tion point of contact for each terminal.
0401 type
46 / 48
90% / 95%
74
Type
Shield wire
Local supply
SMC
CAUTION
0501 type
46 / 48
85% / 75%
0601 type
47 / 49
85% / 70%