[ III Heat source Unit Components ]
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HWE09080 GB
[2] Control Box of the Heat source Unit
(1) PQHY-P72, 96, 120THMU-A, PQRY-P72, 96, 120THMU-A
1) Exercise caution not to damage the bottom and the front panel of the control box. Damage to these parts affect the waterproof
and dust proof properties of the control box and may result in damage to its internal components.
2) Faston terminals have a locking function. Make sure the cable heads are securely locked in place. Press the tab on the ter-
minals to remove them.
DC reactor
(DCL)
Electromagnetic relay
(72C)
Relay board
Control board
Inrush current resistor
Note2
Note2
Noise filter
Power supply terminal block
(TB1)
Ground terminal
Smoothing capacitor
(C1)
INV board
M-NET board
Terminal block for
transmission line
(TB3,TB7)
Pump interlock terminal block
(TB8)
Note1