Mitsubishi Electronics PKH18FL User Manual
TECHNICAL & SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
CONTENTS
1. FEATURES ·······························································2
2. PART NAMES AND FUNCTIONS ····························3
3. SPECIFICATIONS·····················································4
4. DATA ·········································································5
5. OUTLINES AND DIMENSIONS······························16
6. REFRIGERANT SYSTEM DIAGRAM ····················18
7. WIRING DIAGRAM ·················································19
8. OPERATION FLOW-CHART ··································20
9. MICROPROCESSOR CONTROL···························24
10. TROUBLESHOOTING ············································41
11. DISASSEMBLY PROCEDURE ·······························45
12. PARTS LIST ····························································48
TM
PKH18FL
PKH24FL
PKH30FL
PKH36FL
No. OC276
REVISED EDITION-A
AIR
STANDARD 2
40
•
M
A
N
U
F
A
C
T
U
R
E
R
CE
RT
IFIED TO ARI AS
CO
M
P
LY
IN
G
W
IT
H
•
C
E
R
TIF
ICATIO
N SECT
IO
NS
O
F
EQU
IPMEN
T
AIR-C
ON
D
IT
IO
N
IN
G
U
N
IT
A
R
Y
L IST ED
C
US
Wall Mounted
Series PKH
[Models]
Indoor unit
Remote controller
MODEL
SELECT
NOT AVAILABLE
SWING
CHECK
FAN
TEST
RUN
˚F
˚C
AMPM
STOP
START
Revision:
●
The wrong descriptions in REFRIGERANT
SYSTEM DIAGRAM have been modified.
(Page 18.)
SYSTEM DIAGRAM have been modified.
(Page 18.)
●
The wrong descriptions in WIRING DIAGRAM
have been modified.
(Page 19.)
have been modified.
(Page 19.)
●
Restrictor valve and capillary tube have been
added to "Specifications" of heat exchanger.
(Page 48.)
added to "Specifications" of heat exchanger.
(Page 48.)
●
Please void OC276.
OC276-A-1.qxp 03.11.25 9:04 AM Page 1