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NOTE1 ● When the indoor coil thermistor reads above 18°C, indoor fan operates at VLo for 30 seconds.
● When the indoor coil thermistor reads 18°C or less, the indoor fan stops.
NOTE2: Refer to the Service Manual OB185 when MSH-07/09/12NV- , MSH-07/09/12/18NV- , and MSH-18NV-
are connected with MXZ-32NV- as multi system units.
E1
E3E2E1
(3) Defrosting time chart
Defrost thermistor RT61
3.1: or more
-3: or less
Outdoor 52C
relay(Compressor)
X62
(Reversing valve coil)
SR61
Outdoor fan
Defrost
counter
Indoor fan
Indoor vane
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Horizontal
Set position
Max 10 min.
30 sec.
15 sec.
30 sec.
5~15 sec.
VLo
❈
OB207t-2qxp 25/9/97 8:55 PM Page 38