Models
NTXSPH06B112AA NTXSPB06B112AA
NTXSPH09B112AA NTXSPB09B112AA
NTXSPH12B112AA NTXSPB12B112AA
NTXSPH15B112AA NTXSPB15B112AA
NTXSPH18B112AA NTXSPB18B112AA
PARTS CATALOG (OBBT873)
NTXSPH06B112AA
NTXSPH09B112AA
NTXSPH12B112AA
NTXSPB06B112AA
NTXSPB09B112AA
NTXSPB12B112AA
CONTENTS
1. TECHNICAL CHANGES ······························2
2. PART NAMES AND FUNCTIONS ··················3
3. SPECIFICATION ········································4
4. OUTLINES AND DIMENSIONS ·····················6
5. WIRING DIAGRAM ·····································8
6. REFRIGERANT SYSTEM DIAGRAM ··········· 10
7. DATA······················································12
8. ACTUATOR CONTROL ····························· 23
9. SERVICE FUNCTIONS ······························24
10. TROUBLESHOOTING ······························· 25
11. DISASSEMBLY INSTRUCTIONS ················· 46
HFC
utilized
R410A
OUTDOOR UNIT
SERVICE MANUAL
No. OBHT873
REVISED EDITION-A
Indoor unit service manual
NTXWPH•B•AA Series (OBHT872)
OBHT873 is void.
Revision A:
• 3. SPECIFICATION has been corrected.
• A warning when opening or closing the
valve has been added.
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