Mitsubishi Electric PUHY-M200YNW-A1 Service Handbook page 132

[5-2 Outdoor Unit Control ]
Operation
When Continuous heating
mode
Operation
When Continuous heating
mode
BS_05_E
ON
(E)M200-450: Front part of heat exchang-
er is being defrosted.
(E)M500: Front part of heat exchanger is
being defrosted.
ON
(E)M500: Right part of heat exchanger is
being defrosted.
SV10
OFF
Other than on the left
*(E)M200-450: When the rear part of heat
exchanger is being defrosted, 21S4b will
be OFF.
*(E)M500: When the left part of heat ex-
changer is being defrosted, 21S4c will be
OFF.
SV11
OFF
Other than on the left
*(E)M500: When the left part of heat ex-
changer is being defrosted, 21S4c will be
OFF.
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