Hitachi RAC-25WXD, Technical Catalogue, Page: 3 / 39

CONTENTS
1
CONTENTS
CONTENTS __________________________________________________________________________________ 1
1
1.1.
1.2.
2
2.1.
2.2.
2.3.
3
3.1.
SPECIFICATIONS ______________________________________________________________________ 2
WALL TYPE (RAK-25RXD/35RXD/50RXD) ___________________________________________________ 2
WALL TYPE (RAC-25WXD/35WXD/50WXD) __________________________________________________ 3
DIMENSIONAL DATA ___________________________________________________________________ 4
WALL TYPE: RAK-25RXD/35RXD/50RXD ____________________________________________________ 4
WALL TYPE: RAC-25WXD/35WXD _________________________________________________________ 5
WALL TYPE: RAC-50WXD ________________________________________________________________ 6
CAPACITIES TABLE ____________________________________________________________________ 7
CAPACITY CHARACTERISTIC CURVES ____________________________________________________ 7
3.1.1. RAK-25RXD/RAC-25WXD ________________________________________________________________ 7
3.1.2. RAK-35RXD/RAC-35WXD ________________________________________________________________ 8
3.1.3. RAK-50RXD/RAC-50WXD ________________________________________________________________ 8
3.2.
3.3.
4
4.1.
4.2.
4.3.
5
5.1.
5.2.
6
6.1.
6.2.
7
7.1.
7.2.
8
8.1.
8.2.
9
9.1.
9.2.
9.3.
9.4.
9.5.
9.6.
9.7.
9.8.
9.9.
CORRECTION FACTORS ACCORDING TO PIPING LENGTH __________________________________ _ 9
CORRECTION FACTORS ACCORDING TO DEFROSTING OPERATION _________________________ 11
SOUND DATA ________________________________________________________________________ 12
RAC-25WXD __________________________________________________________________________ 12
RAC-35WXD __________________________________________________________________________ 13
RAC-50WXD __________________________________________________________________________ 14
WORKING RANGE ____________________________________________________________________ 15
POWER SUPPLY ______________________________________________________________________ 15
WORKING RANGE ____________________________________________________________________ 15
ELECTRICAL DATA ___________________________________________________________________ 16
INDOOR UNIT ________________________________________________________________________ 16
OUTDOOR UNIT ______________________________________________________________________ 16
WIRING DIAGRAM ____________________________________________________________________ 17
RAK-25RXD, RAK-35RXD, RAK-50RXD ____________________________________________________ 17
RAC-25WXD, RAC-35WXD, RAC-50WXD ___________________________________________________ 18
REFRIGERANT CYCLE _________________________________________________________________ 19
WALL TYPE: RAK-25RXD/RAC-25WXD, RAK-35RXD/RAC-35WXD ______________________________ 19
WALL TYPE: RAK-50RXD / RAC-50WXD ___________________________________________________ 19
CONTROL AND FUNCTION _____________________________________________________________ 20
WIRELESS REMOTE CONTROL FUNCTION ________________________________________________ 20
AUTO CHANGEOVER __________________________________________________________________ 21
SHIFT VALUE _________________________________________________________________________ 21
OPERATION LOCK ____________________________________________________________________ 22
SETTING THE PREVENTION OF MUTUAL INTERFERENCE ___________________________________ 22
INTERMITTENT FAN SPEED SETTING ____________________________________________________ 23
FAN SPEED SETTING IN THERMO OFF IN COOLING ________________________________________ 24
ERROR CODE INFORMATION ___________________________________________________________ 25
ADDITIONAL FUNCTION VIA DIP-SWITCH SETTINGS ________________________________________ 26
9.9.1. AUTO RESTART FUNCTION _____________________________________________________________ 26
9.9.2.
10
HEATING/COOLING ONLY MODEL SELECTION _____________________________________________ 26
OPTION LIST _________________________________________________________________________ 27
10.1. WIRED REMOTE CONTROL – SPX-RCDB__________________________________________________ 27
10.1.1. SHIFT VALUE _________________________________________________________________________ 27
10.1.2. ERROR CODE INFORMATION ___________________________________________________________ 28
10.2. H-LINK ADAPTOR – PSC 6RAD __________________________________________________________ 30
10.2.1. SAFETY SUMMARY ___________________________________________________________________ 30
10.2.2. INSTALLATION WORK _________________________________________________________________ 30
10.2.3. ELECTRICAL WIRING __________________________________________________________________ 31
10.2.4. DIP SWITCH SETTING _________________________________________________________________ 32
10.2.5. TEST RUN ___________________________________________________________________________ 33
10.3. DRY CONTACT (SPX-WDC3) APPLICATION (USING DIP SWITCH) _____________________________ 3
4
10.4. DISTRIBUTOR – SPX-DST1 _____________________________________________________________ 36