Service manual

3
TECHNICAL CHANGE2
PU18EK ➔ PU18EK1
PU24EK ➔ PU24EK1
PU30EK ➔ PU30EK1
PU36EK ➔ PU36EK1
PU42EK2 ➔ PU42EK21
1. OUTDOOR CONTROLLER BOARD has been changed.
2. TRANSFORMER has been changed.
PU18EK ➔ PU18EK1
• CONTACTOR has been changed.
PU24EK1 ➔ PU24EK2
PU30EK1 ➔ PU30EK2
PU36EK1 ➔ PU36EK2
• COMPRESSOR has been changed.
(PU24EK model) NH33NBD ➔ NH33NBDT
(PU30EK model) NH41NAD ➔ NH41NAHT
(PU36EK model) NH47NAD ➔ NH47NAHT
Refer to “5. SPECIFICATIONS”, “6. DATA” and “13. PARTS LIST” for details.
PU42EK7 ➔ PU42EK71
1. COMPRESSOR CONTACTOR has been changed to the one equipped THERMAL RELAY.
Refer to 8.WIRING DIAGRAM and 13.PARTS LIST for details.
2. OUTDOOR CONTROLLER BOARD has been changed.
Refer to “13. PARTS LIST” for details.
(OC247 REVISED EDITION-D)
PU24EK2 ➔ PU24EK3
PU30EK2 ➔ PU30EK3
PU36EK2 ➔ PU36EK3
PU42EK71 ➔ PU42EK72
• DRAIN PAN has been added.
<‘‘13. PARTS LIST’’ has been changed.>
PU36EK2 ➔ PU36EK3
• COMPRESSOR CAPACITOR for PU36EK, PU36EK1, PU36EK2 and PU36EK3 are unified.
(OC247 REVISED EDITION-B)
(OC247 REVISED EDITION-A)
Change of the service parts.
Refer to “13. PARTS LIST” for the details.
OC247-E--1.qxp 04.8.11 4:25 PM Page 3