Mitsubishi Electric PUHZ-SHW80YAA User manual
SERVICE MANUAL
No. OCH651
R410A
May 2017
PARTS CATALOG (OCB651)
[Model Name]
PUHZ-SHW80VAA
PUHZ-SHW112VAA
PUHZ-SHW80YAA
PUHZ-SHW112YAA
PUHZ-SW75VAA
PUHZ-SW100VAA
PUHZ-SW75YAA
PUHZ-SW100YAA
Salt proof model
PUHZ-SHW80VAA-BS
PUHZ-SHW112VAA-BS
PUHZ-SHW80YAA-BS
PUHZ-SHW112YAA-BS
PUHZ-SW75VAA-BS
PUHZ-SW100VAA-BS
PUHZ-SW75YAA-BS
PUHZ-SW100YAA-BS
CONTENTS
1. REFERENCE MANUAL································ 2
2. SAFETY PRECAUTION ······························· 3
3. SPECIFICATIONS ········································ 7
4. DATA····························································· 9
5. OUTLINES AND DIMENSIONS·················· 11
6. WIRING DIAGRAM····································· 12
7. WIRING SPECIFICATIONS ························ 16
8. REFRIGERANT SYSTEM DIAGRAM ········ 17
9. TROUBLESHOOTING································ 20
10.
MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER
···· 59
11. DISASSEMBLY PROCEDURE··················· 65
Note:
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PUHZ-SHW80VAA.UK
PUHZ-SHW112VAA.UK
PUHZ-SHW80YAA.UK
PUHZ-SHW112YAA.UK
PUHZ-SW75VAA.UK
PUHZ-SW100VAA.UK
PUHZ-SW75YAA.UK
PUHZ-SW100YAA.UK
PUHZ-SHW80VAA-BS.UK
PUHZ-SHW112VAA-BS.UK
PUHZ-SHW80YAA-BS.UK
PUHZ-SHW112YAA-BS.UK
PUHZ-SW75VAA-BS.UK
PUHZ-SW100VAA-BS.UK
PUHZ-SW75YAA-BS.UK
PUHZ-SW100YAA-BS.UK
PUHZ-SHW80Y
AA.UK
PUHZ-SHW80Y
PUHZ-SHW80Y
PUHZ-SHW1
12YAA.UK
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2
INDOOR UNIT SERVICE MANUAL
1-1. FOR AIR TO WATER SYSTEM
0RGHOQDPH6HUYLFHUHI6HUYLFHPDQXDO1R(+67&90+%(+67&<0+%(+67&70+%(+67&90%(+67&90%(+67&<0%(+67&90(%(+67&<0(%(+67&906%(+67&90+%8.(+67&<0+%8.(+67&70+%8.(+67&90%8.(+67&90%8.(+67&<0%8.(+67&90(%8.(+67&<0(%8.(+67&906%8.2&+2&%(+6&90%(+6&90%(+6&<0%(+6&70%(+6&90(%(+6&<0(%(56&90%(+6&90%8.(+6&90%8.(+6&<0%8.(+6&70%8.(+6&90(%8.(+6&<0(%8.(56&90%8.2&+2&%(+67&90&(+67&90&(+67&<0&(+67&70&(+67&90(&(+67&90(&(+67&<0(&(+67&0+&:(+67&0(&(567&90&(567&0(&(+67'90&(+67'90(&(+67'<0&(+67'0+&:(+67'0(&(+67'0+&(+67&90&558.(+67&90&558.(+67&<0&558.(+67&70&558.(+67&90(&558.(+67&90(&558.(+67&<0(&558.(+67&0+&:558.(+67&0(&558.(567&90&558.(567&0(&558.(+67'90&558.(+67'90(&558.(+67'<0&558.(+67'0+&:558.(+67'0(&558.(+67'0+&558.2&+2&%(+6&0(&(+6&90&(+6&90(&(+6&90&(+6&90(&(+6&<0&(+6&<0(&(+6&70&(56&0(&(56&90&(+6'0&(+6'0(&(+6'90&(+6'<0&(56'90&(+6&0(&558.(+6&90&558.(+6&90(&558.(+6&90&558.(+6&90(&558.(+6&<0&558.(+6&<0(&558.(+6&70&558.(56&0(&558.(56&90&558.(+6'0&558.(+6'0(&558.(+6'90&558.(+6'<0&558.(56'90&558.2&+2&%3$&,)%(3$&,)%(3$&,)%(3$&,)%(2&%3$&,)%(3$&,)%(552&%3$&6,)%(3$&6,)%(52&%1REFERENCE MANUAL
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2SAFETY PRECAUTION
2-2. CAUTIONS RELATED TO NEW REFRIGERANT
Cautions for units utilizing refrigerant R410A
Use new refrigerant pipes.
Make sure that the inside and outside of refrige-
rant piping is clean and it has no contaminants
such as sulfur, oxides, dirt, shaving particles, etc,
which are hazard to refrigerant cycle.
In addition, use pipes with specified thickness.
The refrigerant oil applied to flare and flange
connections must be ester oil, ether oil or
alkylbenzene oil in a small amount.
In case of using the existing pipes for R22, be careful with
the following:
· Be sure to perform replacement operation before test run.
· Change flare nut to the one provided with this product.
Use a newly flared pipe.
· Avoid using thin pipes.
Charge refrigerant from liquid phase of gas
cylinder.
If the refrigerant is charged from gas phase, composition change
may occur in refrigerant and the efficiency will be lowered.
Use a vacuum pump with a reverse flow check
valve.
Vacuum pump oil may flow back into refrigerant cycle and
that can cause deterioration of refrigerant oil, etc.
Use the following tools specifically designed for
use with R410A refrigerant.
The following tools are necessary to use R410A refrigerant.
Handle tools with care.
If dirt, dust or moisture enters into refrigerant cycle, that can
cause deterioration of refrigerant oil or malfunction of com-
pressor.
Do not use a charging cylinder.
If a charging cylinder is used, the composition of refrigera-
nt will change and the efficiency will be lowered.
Flare tool
Electronic refrigerant
charging scale
Vacuum pump adaptor
Size adjustment gauge
Gauge manifold
Torque wrench
Gas leak detector
Charge hose
Tools for R410A
Contamination inside refrigerant piping can cause deterio-
ration of refrigerant oil, etc.
If large amount of mineral oil enters, that can cause deterio-
ration of refrigerant oil, etc.
Store the piping indoors, and both ends of the
piping sealed until just before brazing.
(Leave elbow joints, etc. in their packaging.)
If dirt, dust or moisture enters into refrigerant cycle, that can
cause deterioration of refrigerant oil or malfunction of compressor.
Ventilate the room if refrigerant leaks during
operation. If refrigerant comes into contact with
a flame, poisonous gases will be released.
Use the specified refrigerant only.
Never use any refrigerant other than that specified.
Doing so may cause a burst, an explosion, or fire when the
unit is being used, serviced, or disposed of.
Correct refrigerant is specified in the manuals and on the
spec labels provided with our products.
We will not be held responsible for mechanical failure,
system malfunction, unit breakdown or accidents caused
by failure to follow the instructions.
Do not use refrigerant other than R410A.
If other refrigerant (R22, etc.) is used, chlorine in refrige-
rant can cause deterioration of refrigerant oil, etc.
2-1. ALWAYS OBSERVE FOR SAFETY
Before obtaining access to terminal, all supply circuits must be disconnected.
Preparation before the repair service.
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Electronic weighing scale
Unit
[3] Service tools
Use the below service tools as exclusive tools for R410A refrigerant.
[1] Cautions for service
(1) Perform service after recovering the refrigerant left in unit completely.
(2) Do not release refrigerant in the air.
(3) After completing service, charge the cycle with specified amount of refrigerant.
(4) If moisture or foreign matter might have entered the refrigerant piping during service, ensure to remove them.
[2] Additional refrigerant charge
When charging directly from cylinder
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2-3. PRECAUTIONS WHEN REUSING EXISTING R22 REFRIGERANT PIPES
Flowchart
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tions and the pipes are not damaged.
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Cautions for refrigerant piping work
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3/8
1/2
5/8
3/4
6.35
9.52
12.70
15.88
19.05
0.8
0.8
0.8
1.0
—
0.8
0.8
0.8
1.0
1.0
Nominal
dimensions(inch)
Diagram below: Piping diameter and thickness
Outside
diameter (mm)
Thickness (mm)
R410A R22
1/4
3/8
1/2
5/8
3/4
6.35
9.52
12.70
15.88
19.05
9.1
13.2
16.6
19.7
—
9.0
13.0
16.2
19.4
23.3
Nominal
dimensions(in)
Flare cutting dimensions
Outside
diameter (mm)
Dimension A ( )
+0
-0.4
R410A R22
1/4
3/8
1/2
5/8
3/4
6.35
9.52
12.70
15.88
19.05
17.0
22.0
26.0
29.0
-
17.0
22.0
24.0
27.0
36.0
Nominal
dimensions(in)
Flare nut dimensions
Outside
diameter (mm)
Dimension B (mm)
R410A
*
* 36.0mm for
indoor unit
of RP100,
125 and 140
R22
(mm)
Gauge manifold
Charge hose
Gas leak detector
Refrigerant recovery equipment
Refrigerant cylinder
Applied oil
Safety charger
Charge valve
Vacuum pump
Flare tool
Bender
Pipe cutter
Welder and nitrogen gas cylinder
Refrigerant charging scale
Vacuum gauge or thermis-
tor vacuum gauge and
vacuum valve
Charging cylinder
Air purge, refrigerant charge
and operation check
Gas leak check
Refrigerant recovery
Refrigerant charge
Apply to flared section
Prevent compressor malfunction
when charging refrigerant by
spraying liquid refrigerant
Prevent gas from blowing out
when detaching charge hose
Vacuum drying and air
purge
Flaring work of piping
Bend the pipes
Cut the pipes
Weld the pipes
Charge refrigerant
Check the degree of vacuum. (Vacuum
valve prevents back flow of oil and refri-
gerant to thermistor vacuum gauge)
Refrigerant charge
Tool exclusive for R410A
Tool exclusive for R410A
Tool for HFC refrigerant
Tool exclusive for R410A
Tool exclusive for R410A
Ester oil, ether oil and alky-
lbenzene oil (minimum amount)
Tool exclusive for R410A
Tool exclusive for R410A
Tools for other refrigerants can
be used if equipped with adap-
ter for reverse flow check
Tools for other refrigerants
can be used by adjusting
flaring dimension
Tools for other refrigerants can be used
Tools for other refrigerants can be used
Tools for other refrigerants can be used
Tools for other refrigerants can be used
Tools for other refrigerants
can be used
Tool exclusive for R410A
Tools and materials Use R410A tools Can R22 tools be used?
(Usable if equipped
with adapter for rever-
se flow)
(Usable by adjusting
flaring dimension)
Can R407C tools be used?
Ester oil, ether oil:
Alkylbenzene oil: minimum amount
(Usable if equipped
with adapter for rever-
se flow)
(Usable by adjusting
flaring dimension)
: Prepare a new tool. (Use the new tool as the tool exclusive for R410A.)
: Tools for other refrigerants can be used under certain conditions.
: Tools for other refrigerants can be used.
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OCH651
All manuals and user guides at all-guides.com
4DATA
4-1. REFILLING REFRIGERANT CHARGE (R410A: kg)
4-2. COMPRESSOR TECHNICAL DATA
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6HUYLFH5HI3LSLQJOHQJWKRQHZD\,QLWLDOFKDUJHGPPPPPPP38+=6+:9$$%68.38+=6+:9$$%68.38+=6+:<$$%68.38+=6+:<$$%68.38+=6:9$$%68.38+=6:<$$%68.———38+=6:9$$%68.38+=6:<$$%68.6HUYLFH5HI
38+=6+:9$$%68.38+=6+:9$$%68.38+=6+:<$$%68.38+=6+:<$$%68.
38+=6:9$$%68.38+=6:<$$%68.&RPSUHVVRUPRGHO'1.)%$07'1.)%%0761%)(*0&/61%)($0&/:LQGLQJ5HVLVWDQFHȍ898::9DW:6HUYLFH5HI
38+=6:9$$%68.38+=6:<$$%68.
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OCH651
38+=6+:9$$%68.
38+=6+:<$$%68.
38+=6+:<$$%68.
38+=6+:<$$%68.
All manuals and user guides at all-guides.com
4-3. NOISE CRITERION CURVES
PUHZ-SHW80VAA.UK
PUHZ-SHW80YAA.UK
PUHZ-SHW80VAA-BS.UK
PUHZ-SHW80YAA-BS.UK
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
90
80
70
60
50
40
30
20
10
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
BAND CENTER FREQUENCIES, Hz
COOLING
MODE
HEATING
48
SPL(dB)
45
LINE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
90
80
70
60
50
40
30
20
10
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
BAND CENTER FREQUENCIES, Hz
COOLING
MODE
HEATING
49
SPL(dB)
47
LINE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
90
80
70
60
50
40
30
20
10
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
BAND CENTER FREQUENCIES, Hz
COOLING
MODE
HEATING
45
SPL(dB)
43
LINE
1.5 m
1 m
MICROPHONE
UNIT
GROUND
PUHZ-SHW112VAA.UK PUHZ-SHW112YAA.UK
PUHZ-SHW112VAA-BS.UK PUHZ-SHW112YAA-BS.UK
PUHZ-SW100VAA.UK PUHZ-SW100YAA.UK
PUHZ-SW100VAA-BS.UK PUHZ-SW100YAA-BS.UK
PUHZ-SW75VAA.UK
PUHZ-SW75YAA.UK
PUHZ-SW75VAA-BS.UK
PUHZ-SW75YAA-BS.UK
OCH651
PUHZ-SHW80YAA.UK
PUHZ-SHW112YAA.UK
All manuals and user guides at all-guides.com
5OUTLINES AND DIMENSIONS
PUHZ-SHW80VAA.UK PUHZ-SHW112VAA.UK PUHZ-SHW80YAA.UK PUHZ-SHW112YAA.UK
PUHZ-SHW80VAA-BS.UK PUHZ-SHW112VAA-BS.UK PUHZ-SHW80YAA-BS.UK PUHZ-SHW112YAA-BS.UK
PUHZ-SW75VAA.UK PUHZ-SW100VAA.UK PUHZ-SW75YAA.UK PUHZ-SW100YAA.UK
PUHZ-SW75VAA-BS.UK PUHZ-SW100VAA-BS.UK PUHZ-SW75YAA-BS.UK PUHZ-SW100YAA-BS.UK
Unit: mm
FRONT PIPING COVER
REAR PIPING COVER
HANDLE FOR MOVING
HANDLE FOR MOVING
AIR INTAKE
REAR AIR INTAKE
HANDLE FOR MOVINGHANDLE FOR MOVING
SIDE AIR INTAKE
DRAIN HOLE(5X
{
33)
BOTTOM PIPING HOLE
(KNOCK OUT)
120200116
43 276 88 188
95
134
INSTALLATION FEET
2XU SHAPED NOTCH HOLES
(FOUNDATION BOLT M10)
2X12X36 OVAL HOLES
(FOUNDATION BOLT M10)
SIDE AIR INTAKE
AIR DISCHARGE
REAR AIR INTAKE
( 19 )
520
480
600225
75 6959
28
56
72
53
567
FRONT TRUNKING HOLE
(KNOCK-OUT) POWER SUPPLY WIRING HOLE
(2X
{
27 KNOCK-OUT)
FRONT PIPING HOLE
(KNOCK-OUT)
55 62
5871
4625
30
92
90
{92
RIGHT PIPING HOLE
(KNOCK-OUT)
RIGHT TRUNKING HOLE
(KNOCK-OUT)
POWER SUPPLY WIRING HOLE
(2X
{
27 KNOCK-OUT)
55
9244
40118
5830
9225
71
{92
POWER SUPPLY WIRING HOLE
(2X
{
27 KNOCK-OUT)
REAR TRUNKING HOLE
(KNOCK-OUT)
REAR PIPING HOLE
(KNOCK-OUT)
5538
587130
5525
92
65
{92
SERVICE PANEL
TERMINAL CONNECTION
LEFT
POWER SUPPLY WIRING
RIGHT
INDOOR / OUTDOOR WIRING
EARTH TERMINAL
1
2
*1 328
*1 336
*2 802
30
528
1020
363
1050
*2
INDICATION OF TERMINAL CONNECTION LOCATION.
2
1
REFRIGERANT GAS PIPE CONNECTION (FLARE)
{
15.88(5/8F)
EXAMPLE OF NOTES
REFRIGERANT LIQUID PIPE CONNECTION (FLARE)
{
9.52(3/8F)
INDICATION OF STOP VALVE CONNECTION LOCATION.
*1
OVER 50mm
OVER 15mm
OVER 1000mm
OVER 150mm
FREE
SERVICE
SPACE
OVER OVER OVER
OVER OVER
150500
5050015
<FOUNDATION BOLT HEIGHT>
FOUNDATION
LESS THAN
30
THE DIAGRAM BELOW SHOWS A BASIC EXAMPLE.
EXPLANATION OF PARTICULAR DETAILS ARE
GIVEN IN THE INSTALLATION MANUALS etc.
DIMENSIONS OF SPACE NEEDED
FOR SERVICE ACCESS ARE
SHOWN IN THE BELOW DIAGRAM.
PLEASE SECURE THE UNIT FIRMLY
WITH 4 FOUNDATION (M10) BOLTS.
(BOLTS AND WASHERS MUST BE
PURCHASED LOCALLY.)
1 FREE SPACE (AROUND THE UNIT)
2 SERVICE SPACE 3 FOUNDATION BOLTS
4 PIPING-WIRING DIRECTIONS
PIPING AND WIRING CONNECTIONS
CAN BE MADE FROM 4 DIRECTIONS:
FRONT,RIGHT,REAR AND BELOW.
PIPING KNOCK-OUT HOLE DETAILS
OCH651
PUHZ-SHW1
12YAA.UK
PUHZ-SHW80YAA.UK
All manuals and user guides at all-guides.com
all-guides.com
PUHZ-SHW80YAA.UK PUHZ-SHW112YAA.UK
PUHZ-SHW80YAA-BS.UK PUHZ-SHW112YAA-BS.UK
TB1
TB2
MC
MF1
21S4
63H
63L
63HS
TH3
TH4
TH6
TH7
TH8
TH33
ACL1, ACL2,
ACL3, ACL4
CY1, CY2
CK
RS
Terminal Block <Power Supply>
Terminal Block <Indoor/Outdoor>
Motor for Compressor
Fan Motor
Solenoid Valve (4-Way Valve)
High Pressure Switch
Low Pressure Switch
High Pressure Sensor
Thermistor <Liquid>
Thermistor <Discharge>
Thermistor <2-Phase Pipe>
Thermistor <Ambient>
Thermistor <Heat Sink>
Thermistor <Comp. Surface>
Linear Expansion Valve
Reactor
Capacitor
Capacitor
Rush Current Protect Resistor
Power Circuit Board
P. B.
Noise Filter Circuit Board
N. F.
Converter Circuit Board
CONV. B.
SYMBOL
NAME SYMBOL
NAME
SYMBOL
NAME
SW5
SW6
SW7
SW8
SW9
SWP
CNDM
SV1/CH
SV3/SS
CNM
F1, F2, F3, F4
Switch <Function Switch>
Switch <Function Switch, Model Select
>
Switch <Function Switch>
Switch <Function Switch>
Switch <Function Switch>
Switch <Pump Down>
Connector <Connection for Option
>
Connector <Connection for Option
>
Connector <Connection for Option
>
Connector <Connection for Option
>
Fuse <T6.3AL250V>
TH32 Thermistor <Suction>
LEV-A, LEV-B, LEV-C
SW4
SW1
Switch <Manual Defrost, Defect History
Record Reset, Refrigerant Address
>
Switch <Function Switch>
Controller Circuit Board
C. B.
P. B.
N. F.
t°
C. B.
21S4
X51
X52
31 21S4
(GN)
SV3/SS
(WH)
31
X54
31 SV1/CH
(GY)
71
MS
3~
5CNF1(WH)
MF1
63H
51LEV-A
(WH)
31
63H
(YE)
1 2
t°
14
t° t°
TH3
(WH)
TH7/6
(RD)
LEV-A
M
5
51LEV-B
(RD)
LEV-B
M
5
2 1
t°
TH4
TH4
(WH)
63L
31
63L
(RD)
LED1LED2
63HS
(WH)
TRANS
TH7 TH6 TH3 63HS
CN4
(WH)
1 3
TH8
CNM
(WH)
1 14
CNDC
(PK)
1
2
3
CNS
(WH)
31
F2
F1
F3
F4
CNAC
(WH)
1 3
CNDM
(WH)
1 2
2
12
3 4
7
CN2
(RD)
CNL
(BU)
CNDC
(PK)
3 131
SW4 SW8SWP
SW1 SW6
SW5
*1
3272
1 1 1 1 13 2 2 7 2
CN7
(WH)
CN6
(WH)
CN4
(WH)
CN2
(RD)
CN5
(RD)
BK
RD
RD
RS
L3OUT
X52CB
TB-L3
L3IN
TB-L2
TB-N
TB-L1
X52CA
TB-U
TB-V
TB-W
U W
V
CNCT
(RD)
CNAC2
(RD)
MC
MS
3~
CNAC1
(WH)
1 13 2 3
2
E3E2EI
BK
BK
BK
LI1
LI2
LI3
NI
GNYE
S1
S2
S3
CONV. B.
1
33
1
2
ACL1
ACL2
ACL3
BK
CK
BK
BK
WH
WH
RD
RD
L1-A2
L1-OU
L2-A2
L2-OU
L3-A2
L3-OU
L1-IN
L1-A1
N-IN
CK-OU
BK
RD
LO1
LO2
RD
WH
LO3 BK
NO BU
BK
WH
RD
CN7
(WH)
ACL4
RD
TB1
N
L3
TO
INDOOR
UNIT
WH
BK
BU
POWER
SUPPLY
3N~
400V 50Hz
TB2
BN OG YE
CY1
CY2
1 7
51LEV-C
(BU)
LEV-C
M
5
TH33
(YE)
TH32
(BK)
SW9 SW7
*3
L2
L1
t°
31 1 2
t°
TH33 TH32
8
8
1 2 3 4 5 6 7
1 2 3 4 5 6 7
OFF
ON
80Y
MODEL
SW6 *2
OFF
ON
112Y
MODEL
SW6 *2
*1 MODEL SELECT
The black square ( ) indicates a switch position.
1 2 3 4
OFF
ON
SW9-3, 9-4 *4
Ambient temp.
*4 SW9-1 to 2 : Function Switch
1 2 3 4
OFF
ON
SW9-3, 9-4 *4
Ambient temp. SW9-3, 9-4 *4
Ambient temp. SW9-3, 9-4 *4
Ambient temp.
3°C or less
(Default setting) –3°C or less
1 2 3 4
OFF
ON
1 2 3 4
OFF
ON
0°C or less –6°C or less
*3 Ambient temp. of ZUBADAN Flash Injection becomes effective.
The black square
( )
indicates a switch position.
*2 SW6 -1 to 3 : Function Switch
OCH651
PUHZ-SHW1
12YAA.UK
PUHZ-SHW80YAA.UK
All manuals and user guides at all-guides.com
7WIRING SPECIFICATIONS
FIELD ELECTRICAL WIRING (power wiring specifications)
2XWGRRUXQLWPRGHO6:96+:96:96+:9
6:<6+:<
2XWGRRUXQLWSRZHUVXSSO\a1VLQJOH+]9a1VLQJOH+]9
1aSKZLUHV+]9
2XWGRRUXQLWLQSXWFDSDFLW\0DLQVZLWFK%UHDNHU$$$
:LULQJ:LUH1RîVL]HPP
2XWGRRUXQLWSRZHUVXSSO\î0LQî0LQî0LQ,QGRRUXQLW2XWGRRUXQLWîSRODUîSRODUîSRODU,QGRRUXQLW2XWGRRUXQLWHDUWKî0LQî0LQî0LQ5HPRWHFRQWUROOHU,QGRRUXQLWî1RQSRODUî1RQSRODUî1RQSRODU
&LUFXLWUDWLQJ
2XWGRRUXQLW/1VLQJOH2XWGRRUXQLW/1/1/1SKDVH9$&9$&9$&,QGRRUXQLW2XWGRRUXQLW669$&9$&9$&,QGRRUXQLW2XWGRRUXQLW669'&9'&9'&5HPRWHFRQWUROOHU,QGRRUXQLW9'&9'&9'&$EUHDNHUZLWKDWOHDVWPPFRQWDFWVHSDUDWLRQLQHDFKSROHVKDOOEHSURYLGHG8VHHDUWKOHDNDJHEUHDNHU190DNHVXUHWKDWWKHFXUUHQWOHDNDJHEUHDNHULVRQHFRPSDWLEOHZLWKKLJKHUKDUPRQLFV$OZD\VXVHDFXUUHQWOHDNDJHEUHDNHUWKDWLVFRPSDWLEOHZLWKKLJKHUKDUPRQLFVDVWKLVXQLWLVHTXLSSHGZLWKDQLQYHUWHU7KHXVHRIDQLQDGHTXDWHEUHDNHUFDQFDXVHWKHLQFRUUHFWRSHUDWLRQRILQYHUWHU0D[LPXPP,IPPðLVXVHGPD[LPXPP,IPPðLVXVHGDQG6LVVHSDUDWHGPD[LPXPP7KHPZLUHLVDWWDFKHGLQWKHUHPRWHFRQWUROOHUDFFHVVRU\7KH¿JXUHVDUH127DOZD\VDJDLQVWWKHJURXQG6WHUPLQDOKDV9'&DJDLQVW6WHUPLQDO+RZHYHUEHWZHHQ6DQG6WKHVHWHUPLQDOVDUH127HOHFWULFDOO\LQVXODWHGE\WKHWUDQVIRUPHURURWKHUGHYLFHS1
S2
S3
S1
S2
S3
Warning:
· In case of A-control wiring, there is high voltage potential on the S3 terminal caused by electrical circuit design that has no electrical insulation
between power line and communication signal line. Therefore, please turn off the main power supply when servicing. And do not touch the S1, S2, S3
terminals when the power is energized. If isolator should be used between indoor unit and outdoor unit, please use 3-pole type.
Notes: 1. Wiring size must comply with the applicable local and national codes.
2.
Power supply cables and the cables between Interface unit/Flow temp. controller and outdoor unit shall not be lighter than polychloroprene
VKHDWKHGÀH[LEOHFDEOHV'HVLJQ,(&
)
3. Be sure to connect the cables between
Interface unit/Flow temp. controller
and outdoor unit directly to the units (no intermediate connections
are allowed).
,QWHUPHGLDWHFRQQHFWLRQVPD\UHVXOWLQFRPPXQLFDWLRQHUURUV,IZDWHUHQWHUVDWWKHLQWHUPHGLDWHFRQQHFWLRQSRLQWLWPD\FDXVHLQVXI¿FLHQWinsulation to ground or a poor electrical contact .
(If an intermediate connection is necessary, be sure to take measures to prevent water from entering the cables.)
4. Install an earth longer than other cables.
5. Do not construct a system with a power supply that is turned ON and OFF frequently.
6. Use self-extinguishing distribution cable for power supply wiring.
7. Properly route wiring so as not to contact the sheet metal edge or screw tip.
2XWGRRU8QLWSROHVLVRODWRU3RZHUVXSSO\,VRODWRU,QGRRUXQLW,QWHUIDFHXQLW)ORZWHPSFRQWUROOHU1HYHUVSOLFHWKHSRZHUFDEOHRUWKHLQGRRURXWGRRUFRQQHFWLRQFDEOHRWKHUZLVHLWPD\UHVXOWLQVPRNHHPLVVLRQD¿UHRUFRPPXQLFDWLRQIDLOXUH
OCH651
All manuals and user guides at all-guides.com
8 REFRIGERANT SYSTEM DIAGRAM
REV/V
CHECK/V(H)
H/P SW
TH4
TH33
COMP
CHECK/V(L)
Strainer1
(#100)
LEV-A
LEV-B
Strainer3
(#100)
Strainer4
(#100)
Rec
TH8
TH3
P/B
TH7
HEX
P-SENSOR
Distributer
ball valve
Stop valve
(with service port)
Strainer6
(#50)
INJ port
Strainer5
(#100)
LEV-C HIC
TH32
L/P SW
TH6
MUFFLER
Strainer2
(#100)Strainer7
(#100)
Refrigerant flow in cooling
Refrigerant flow in heating
Refrigerant GAS pipe
connection [15.88(5/8)
Refrigerant LIQUID pipe
connection [9.52(3/8)
PUHZ-SHW80VAA.UK PUHZ-SHW112VAA.UK
PUHZ-SHW80VAA-BS.UK PUHZ-SHW112VAA-BS.UK
PUHZ-SHW80YAA.UK PUHZ-SHW112YAA.UK
PUHZ-SHW80YAA-BS.UK PUHZ-SHW112YAA-BS.UK
PUHZ-SW100VAA.UK PUHZ-SW100YAA.UK
PUHZ-SW100VAA-BS.UK PUHZ-SW100YAA-BS.UK
REV/V
CHECK/V(H)
H/P SW
TH4
TH33
COMP
CHECK/V(L)
Strainer2
(#100)
Strainer1
(#100)
LEV-ALEV-B
Strainer3
(#100)
Strainer4
(#100)
Rec
TH8
TH3
P/B
TH7
HEX
P-SENSOR
Distributer
ball valve
Stop valve
(with service port)
Strainer6
(#50)
Strainer5
(#100)
L/P SW
TH6
MUFFLER
Refrigerant flow in cooling
Refrigerant flow in heating
Refrigerant GAS pipe
connection [15.88(5/8)
Refrigerant LIQUID pipe
connection [9.52(3/8)
unit: mm (in)
OCH651
PUHZ-SHW1
12YAA.UK
PUHZ-SHW80Y
AA.UK
PUHZ-SHW80Y
PUHZ-SHW80Y
All manuals and user guides at all-guides.com
8-1. REFRIGERANT COLLECTING (PUMP DOWN)
:KHQUHORFDWLQJRUGLVSRVLQJRIWKHLQGRRURXWGRRUXQLWSXPSGRZQWKHV\VWHPIROORZLQJWKHSURFHGXUHEHORZVRWKDWQRUHIULJHUDQWLVUHOHDVHGLQWRWKHDWPRVSKHUH17XUQRIIWKHSRZHUVXSSO\FLUFXLWEUHDNHU2&RQQHFWWKHORZSUHVVXUHYDOYHRQWKHJDXJHPDQLIROGWRWKHFKDUJHSOXJORZSUHVVXUHVLGHRQWKHRXWGRRUXQLW3&ORVHWKHOLTXLGVWRSYDOYHFRPSOHWHO\46XSSO\SRZHUFLUFXLWEUHDNHU:KHQSRZHULVVXSSOLHGPDNHVXUHWKDW³&(175$//<&21752//('´LVQRWGLVSOD\HGRQWKHUHPRWHFRQWUROOHU,I³&(175$//<&21752//('´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ð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arning:
When pumping down the refrigerant, stop the compressor before disconnecting the refrigerant pipes.
,IWKHUHIULJHUDQWSLSHVDUHGLVFRQQHFWHGZKLOHWKHFRPSUHVVRULVRSHUDWLQJDQGWKHVWRSYDOYHEDOOYDOYHLVRSHQWKHpressure in the refrigeration cycle could become extremely high if air is drawn in, causing the pipes to burst, personal
injury, etc.
OCH651
All manuals and user guides at all-guides.com
9 TROUBLESHOOTING
9-1. TROUBLESHOOTING
<Check code displayed by self-diagnosis and actions to be taken for service (summary)>
3UHVHQWDQGSDVWFKHFNFRGHVDUHORJJHGDQGWKH\FDQEHGLVSOD\HGRQWKHFRQWUROERDUGRIRXWGRRUXQLW$FWLRQVWREHWDNHQIRUVHUYLFHZKLFKGHSHQGVRQZKHWKHURUQRWWKHWURXEOHLVUHRFFXUULQJLQWKHILHOGDUHVXPPDUL]HGLQWKHWDEOHEHORZ&KHFNWKHFRQWHQWVEHORZEHIRUHLQYHVWLJDWLQJGHWDLOVUnit conditions at service Check code Actions to be taken for service (summary)
The trouble is reoccurring.
Displayed
Not displayed
Judge what is wrong and take a corrective action according
to “9-2. SELF-DIAGNOSIS ACTION TABLE”.
Conduct troubleshooting and ascertain the cause of the
trouble according to “9-3. TROUBLESHOOTING OF
PROBLEMS”.
The trouble is not reoccurring.
Logged
Not logged
1Consider the temporary defects such as the work of
protection devices in the refrigerant circuit including
compressor, poor connection of wiring, noise, etc.
Re-check the symptom, and check the installation
environment, refrigerant amount, weather when the
trouble occurred, matters related to wiring, etc.
2Reset check code logs and restart the unit after finishing
service.
3There is no abnormality in electrical component,
controller board, remote controller, etc.
1Re-check the abnormal symptom.
2Conduct troubleshooting and ascertain the cause of the
trouble
according to “9-3. TROUBLESHOOTING
OF
PROBLEMS”.
3Continue to operate unit for the time being if the cause
is not ascertained.
4There is no abnormality concerning of parts such as
electrical component, controller board, remote controller,
etc.
OCH651
All manuals and user guides at all-guides.com
all-guides.com
9-2. SELF-DIAGNOSIS ACTION TABLE
<Abnormalities detected when the power is turned on>
1RWH5HIHUWRLQGRRUXQLWVHFWLRQIRUFRGH3FRGH(DQG&RGH/
Abnormal point and detection method Cause Judgment and action
1RQH—
1
1RYROWDJHLVVXSSOLHGWRWHUPLQDOEORFN7%RIRXWGRRUXQLW
D3RZHUVXSSO\EUHDNHULVWXUQHGRIIE&RQWDFWIDLOXUHRUGLVFRQQHFWLRQRISRZHUVXSSO\WHUPLQDOF2SHQSKDVH/RU1SKDVH2(OHFWULFSRZHULVQRWFKDUJHGWRSRZHUVXSSO\WHUPLQDORIRXWGRRUSRZHUFLUFXLWERDUGD&RQWDFWIDLOXUHRISRZHUVXSSO\WHUPLQDOE2SHQSKDVHRQWKHRXWGRRUSRZHUFLUFXLWERDUG3(OHFWULFSRZHULVQRWVXSSOLHGWRRXWGRRUFRQWUROOHUFLUFXLWERDUGD'LVFRQQHFWLRQRIFRQQHFWRU&1'&4'LVFRQQHFWLRQRIUHDFWRU'&/RU$&/5'LVFRQQHFWLRQRIRXWGRRUQRLVHILOWHUFLUFXLWERDUGRUSDUWVIDLOXUHLQRXWGRRUQRLVHILOWHUFLUFXLWERDUG6'HIHFWLYHRXWGRRUSRZHUFLUFXLWERDUG7'HIHFWLYHRXWGRRUFRQWUROOHUFLUFXLWERDUG1&KHFNIROORZLQJLWHPVD3RZHUVXSSO\EUHDNHUE&RQQHFWLRQRISRZHUVXSSO\WHUPLQDOEORFN7%F&RQQHFWLRQRISRZHUVXSSO\WHUPLQDOEORFN7%2&KHFNIROORZLQJLWHPVD&RQQHFWLRQRISRZHUVXSSO\WHUPLQDOEORFN7%E&RQQHFWLRQRIWHUPLQDORQRXWGRRUSRZHUFLUFXLWERDUG
&KHFNFRQQHFWLRQRIWKHFRQQHFWRU/,RU1,
5HIHUWR7(6732,17',$*5$03&KHFNFRQQHFWLRQRIWKHFRQQHFWRU&1'&RQWKHRXWGRRUFRQWUROOHUFLUFXLWERDUG&KHFNFRQQHFWLRQRIWKHFRQQHFWRU&1'&RQWKHRXWGRRUSRZHUFLUFXLWERDUG9WKHQRLVHILOWHU<5HIHUWR7(6732,17',$*5$04&KHFNFRQQHFWLRQRIUHDFWRU'&/RU$&/5HIHUWR7(6732,17',$*5$05D&KHFNFRQQHFWLRQRIRXWGRRUQRLVHILOWHUFLUFXLWERDUGE5HSODFHRXWGRRUQRLVHILOWHUFLUFXLWERDUG5HIHUWR7(6732,17',$*5$065HSODFHRXWGRRUSRZHUFLUFXLWERDUG75HSODFHFRQWUROOHUERDUG:KHQLWHPVDERYHDUHFKHFNHGEXWWKHXQLWVFDQQRWEHUHSDLUHG)63H connector open
$EQRUPDOLI+FRQQHFWRUFLUFXLWLVRSHQIRUPLQXWHVFRQWLQXRXVO\DIWHUSRZHUVXSSO\
++LJKSUHVVXUHVZLWFK1'LVFRQQHFWLRQRUFRQWDFWIDLOXUHRI+FRQQHFWRURQRXWGRRUFRQWUROOHUFLUFXLWERDUG2'LVFRQQHFWLRQRUFRQWDFWIDLOXUHRI+3+LVZRUNLQJGXHWRGHIHFWLYHSDUWV4'HIHFWLYHRXWGRRUFRQWUROOHUFLUFXLWERDUG1&KHFNFRQQHFWLRQRI+FRQQHFWRURQRXWGRRUFRQWUROOHUFLUFXLWERDUG5HIHUWR7(6732,17',$*5$02&KHFNWKH+VLGHRIFRQQHFWLQJZLUH3&KHFNFRQWLQXLW\E\WHVWHU5HSODFHWKHSDUWVLIWKHSDUWVDUHGHIHFWLYH45HSODFHRXWGRRUFRQWUROOHUFLUFXLWERDUG)63L connector open (SW100/SHW80/
SHW112 only)
$EQRUPDOLI/FRQQHFWRUFLUFXLWLVRSHQIRUPLQXWHVFRQWLQXRXVO\DIWHUSRZHUVXSSO\
//RZSUHVVXUHVZLWFK1'LVFRQQHFWLRQRUFRQWDFWIDLOXUHRI/FRQQHFWRURQRXWGRRUFRQWUROOHUFLUFXLWERDUG2'LVFRQQHFWLRQRUFRQWDFWIDLOXUHRI/3/LVZRUNLQJGXHWRUHIULJHUDQWOHDNDJHRUGHIHFWLYHSDUWV4'HIHFWLYHRXWGRRUFRQWUROOHUFLUFXLWERDUG1&KHFNFRQQHFWLRQRI/FRQQHFWRURQRXWGRRUFRQWUROOHUFLUFXLWERDUG5HIHUWR7(6732,17',$*5$02&KHFNWKH/VLGHRIFRQQHFWLQJZLUH3&KHFNUHIULJHUDQWSUHVVXUH&KDUJHDGGLWLRQDOUHIULJHUDQW&KHFNFRQWLQXLW\E\WHVWHU5HSODFHWKHSDUWVLIWKHSDUWVDUHGHIHFWLYH45HSODFHRXWGRRUFRQWUROOHUFLUFXLWERDUGCheck code
OCH651
All manuals and user guides at all-guides.com
22
Check Code Abnormal point and detection method Judgment and action
(EMiswiring of indoor/outdoor unit
connecting wire (converse wiring or
disconnection)
2XWGRRUFRQWUROOHUFLUFXLWERDUGFDQDXWRPDWLFDOO\VHWWKHXQLWQXPEHURILQGRRUXQLWV$EQRUPDOLIWKHLQGRRUXQLWQXPEHUFDQQRWEHVHWZLWKLQPLQXWHVDIWHUSRZHURQEHFDXVHRIPLVZLULQJFRQYHUVHZLULQJRUGLVFRQQHFWLRQRILQGRRURXWGRRUXQLWFRQQHFWLQJZLUH(&Startup time over
7KHXQLWFDQQRWILQLVKVWDUWXSSURFHVVZLWKLQPLQXWHVDIWHUSRZHURQCause
1&RQWDFWIDLOXUHRILQGRRURXWGRRUXQLWFRQQHFWLQJZLUH2'LDPHWHURUOHQJWKRILQGRRURXWGRRUXQLWFRQQHFWLQJZLUHLVRXWRIVSHFLILHGFDSDFLW\3'R127XVHUHIULJHUDQWDGGUHVVDVLVXVHGIRU)7&0DVWHU7KHDGGUHVVUDQJHLVWR,QFDVHRIPXOWLSOHRXWGRRUXQLWVFRQWURO41RLVHKDVHQWHUHGLQWRSRZHUVXSSO\RULQGRRURXWGRRUXQLWFRQQHFWLQJZLUH1
&RQWDFWIDLOXUHRUPLVZLULQJRILQGRRURXWGRRUXQLWFRQQHFWLQJZLUH
2'LDPHWHURUOHQJWKRILQGRRURXWGRRUXQLWFRQQHFWLQJZLUHLVRXWRIVSHFLILHGFDSDFLW\4'HIHFWLYHWUDQVPLWWLQJUHFHLYLQJFLUFXLWRIRXWGRRUFRQWUROOHUFLUFXLWERDUG5'HIHFWLYHWUDQVPLWWLQJUHFHLYLQJFLUFXLWRILQGRRUFRQWUROOHUERDUG6'HIHFWLYHLQGRRUSRZHUERDUG7'R127XVHUHIULJHUDQWDGGUHVVDVLVXVHGIRU)7&0DVWHU7KHDGGUHVVUDQJHLVWR,QFDVHRIPXOWLSOHRXWGRRUXQLWVFRQWURO81RLVHKDVHQWHUHGLQWRSRZHUVXSSO\RULQGRRURXWGRRUXQLWFRQQHFWLQJZLUHIndoor/outdoor unit connector
miswiring, excessive number of units (2
units or more)
2XWGRRUFRQWUROOHUFLUFXLWERDUGFDQDXWRPDWLFDOO\FKHFNWKHQXPEHURIFRQQHFWHGLQGRRUXQLWV$EQRUPDOLIWKHQXPEHUFDQQRWEHFKHFNHGDXWRPDWLFDOO\GXHWRPLVZLULQJRILQGRRURXWGRRUXQLWFRQQHFWLQJZLUHDQGHWFDIWHUSRZHULVWXUQHGRQIRUPLQXWHV$EQRUPDOLIRXWGRRUFRQWUROOHUFLUFXLWERDUGUHFRJQL]HVWKHQXPEHURIFRQQHFWHGLQGRRUXQLWVDV³XQLWVRUPRUH´1&KHFNGLVFRQQHFWLRQRUORRVHQHVVRUSRODULW\RILQGRRURXWGRRUXQLWFRQQHFWLQJZLUHRILQGRRUDQGRXWGRRUXQLWV2&KHFNGLDPHWHUDQGOHQJWKRILQGRRURXWGRRUXQLWFRQQHFWLQJZLUH
7RWDOZLULQJOHQJWKPLQFOXGLQJZLULQJFRQQHFWLQJHDFKLQGRRUXQLWDQGEHWZHHQLQGRRUDQGRXWGRRUXQLW
$OVRFKHFNLIWKHFRQQHFWLRQRUGHURIIODWFDEOHLV6663&KHFNWKHQXPEHURILQGRRUXQLWVWKDWDUHFRQQHFWHGWRRQHRXWGRRUXQLW,I($LVGHWHFWHG4–67XUQWKHSRZHURIIRQFHDQGRQDJDLQWRFKHFN5HSODFHRXWGRRUFRQWUROOHUFLUFXLWERDUGLQGRRUFRQWUROOHUERDUGRULQGRRUSRZHUERDUGLIDEQRUPDOLW\RFFXUVDJDLQ7
&KHFNLIUHIULJHUDQWDGGUHVVHV6:WR6:RQRXWGRRUFRQWUROOHUFLUFXLWERDUGDUHRYHUODSSLQJLQFDVHRI
PXOWLSOHRXWGRRUXQLWVFRQWURO
8&KHFNWUDQVPLVVLRQSDWKDQGUHPRYHWKHFDXVH1RWH7KHGHVFULSWLRQVDERYH1–8DUHIRU($(EDQG(&1
&RQWDFWIDLOXUHRUPLVZLULQJRILQGRRURXWGRRUXQLWFRQQHFWLQJZLUH
2'LDPHWHURUOHQJWKRILQGRRURXWGRRUXQLWFRQQHFWLQJZLUHLVRXWRIVSHFLILHGFDSDFLW\3RUPRUHLQGRRUXQLWVDUHFRQQHFWHGWRRQHRXWGRRUXQLW4'HIHFWLYHWUDQVPLWWLQJUHFHLYLQJFLUFXLWRIRXWGRRUFRQWUROOHUFLUFXLWERDUG5'HIHFWLYHWUDQVPLWWLQJUHFHLYLQJFLUFXLWRILQGRRUFRQWUROOHUERDUG6'HIHFWLYHLQGRRUSRZHUERDUG7'R127XVHUHIULJHUDQWDGGUHVVDVLVXVHGIRU)7&0DVWHU7KHDGGUHVVUDQJHLVWR,QFDVHRIPXOWLSOHRXWGRRUXQLWVFRQWURO81RLVHKDVHQWHUHGLQWRSRZHUVXSSO\RULQGRRURXWGRRUXQLWFRQQHFWLQJZLUH($)2 connector open (SW100/SHW80/
SHW112 only)
$EQRUPDOLIERWK+DQG/FRQQHFWRUFLUFXLWVDUHRSHQIRUWKUHHPLQXWHVFRQWLQXRXVO\DIWHUSRZHUVXSSO\++LJKSUHVVXUHVZLWFK//RZSUHVVXUHVZLWFK1'LVFRQQHFWLRQRUFRQWDFWIDLOXUHRIFRQQHFWRU+/RQRXWGRRUFRQWUROOHUFLUFXLWERDUG2'LVFRQQHFWLRQRUFRQWDFWIDLOXUHRI+/3+DQG/DUHZRUNLQJGXHWRGHIHFWLYHSDUWV4'HIHFWLYHRXWGRRUFRQWUROOHUERDUG1&KHFNFRQQHFWLRQRIFRQQHFWRU+/RQRXWGRRUFRQWUROOHUFLUFXLWERDUG5HIHUWR7(6732,17',$*5$02&KHFNWKH+DQG/VLGHRIFRQQHFWLQJZLUH3&KHFNFRQWLQXLW\E\WHVWHU5HSODFHWKHSDUWVLIWKHSDUWVDUHGHIHFWLYH45HSODFHRXWGRRUFRQWUROOHUFLUFXLWERDUG((Incorrect connection
7KHRXWGRRUXQLWGRHVQRWUHFHLYHWKHVLJQDOVRI,)RU)7&1$GHYLFHRWKHUWKDQ,QWHUIDFHXQLWRU)ORZWHPSFRQWUROOHUXQLWLVFRQQHFWHGWRWKHXQLW1&RQQHFW,)RU)7&WRWKHXQLW
OCH651
All manuals and user guides at all-guides.com
Check Code Abnormal point and detection method Judgment and action
8High pressure (High pressure switch
63H operated)
$EQRUPDOLIKLJKSUHVVXUHVZLWFK+RSHUDWHG03DGXULQJFRPSUHVVRURSHUDWLRQ++LJKSUHVVXUHVZLWFKCause
88Open/short circuit of outdoor unit
temperature thermistor (TH4, TH33)
$EQRUPDOLIRSHQ:RUOHVVRUVKRUW:RUPRUHLVGHWHFWHGGXULQJFRPSUHVVRURSHUDWLRQ'HWHFWLRQLVLQRSHUDWLYHIRUPLQXWHVRIFRPSUHVVRUVWDUWLQJSURFHVVDQGIRUPLQXWHVDIWHUDQGGXULQJGHIURVWLQJ7+7KHUPLVWRU'LVFKDUJH!7+7KHUPLVWRU&RPSVXUIDFH!1
'LVFRQQHFWLRQRUFRQWDFWIDLOXUHRIFRQQHFWRUV7+7+RQWKHRXWGRRUFRQWUROOHUFLUFXLWERDUG
2'HIHFWLYHWKHUPLVWRU3'HIHFWLYHRXWGRRUFRQWUROOHUFLUFXLWERDUG1
&KHFNFRQQHFWLRQRIFRQQHFWRU7+7+RQWKHRXWGRRUFRQWUROOHUFLUFXLWERDUG&KHFNEUHDNLQJRIWKHOHDGZLUHIRU7+7+5HIHUWR7(6732,17',$*5$02&KHFNUHVLVWDQFHYDOXHRI7+7+RUWHPSHUDWXUHE\PLFURSURFHVVRU7KHUPLVWRU7+7+5HIHUWR+2:72&+(&.7+(3$5766:RQ$&RQWURO6HUYLFH7RRO5HIHUWR)81&7,212)6:,7&+(6&211(&7256$1'-803(56
35HSODFHRXWGRRUFRQWUROOHUERDUG<Abnormalities detected while unit is operating>
High discharge temperature
$EQRUPDOLI7+H[FHHGV:RU:FRQWLQXRXVO\IRUPLQXWHV$EQRUPDOLI7+H[FHHGV:RUPRUHFRQWLQXRXVO\IRUVHFRQGVDIWHUVHFRQGVKDYHSDVVHGVLQFHWKHGHIURVWLQJRSHUDWLRQVWDUWHG$EQRUPDOLIGLVFKDUJHVXSHUKHDW&RROLQJ7+í7+6+HDWLQJ7+í7+6H[FHHGV:FRQWLQXRXVO\IRUPLQXWHV7+7KHUPLVWRU'LVFKDUJH!High comp. surface temperature
$EQRUPDOLI7+H[FHHGV:
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
1&KHFNLQWDNHVXSHUKHDW&KHFNOHDNDJHRIUHIULJHUDQW&KDUJHDGGLWLRQDOUHIULJHUDQW2&KHFNLIVWRSYDOYHLVIXOO\RSHQ34
7XUQWKHSRZHURIIDQGFKHFNLI8LVGLVSOD\HGZKHQWKHSRZHULVWXUQHGRQDJDLQ
:KHQ8LVGLVSOD\HGUHIHUWR³-XGJPHQWDQGDFWLRQ´IRU85&KHFNOLQHDUH[SDQVLRQYDOYH5HIHUWR+2:72&+(&.7+(3$5766$IWHUUHFRYHULQJUHIULJHUDQWUHPRYHZDWHUIURPHQWLUHUHIULJHUDQWFLUFXLWXQGHUYDFXXPPRUHWKDQKRXU1'HIHFWLYHRSHUDWLRQRIVWRSYDOYH1RWIXOO\RSHQ2&ORJJHGRUEURNHQSLSH3/RFNHGRXWGRRUIDQPRWRU40DOIXQFWLRQRIRXWGRRUIDQPRWRU56KRUWF\FOHRIRXWGRRUXQLW6'LUWRIRXWGRRUKHDWH[FKDQJHU7'HFUHDVHGDLUIORZFDXVHGE\GHIHFWLYHLQVSHFWLRQRIRXWVLGHWHPSHUDWXUHWKHUPLVWRU,WGHWHFWVORZHUWHPSHUDWXUHWKDQDFWXDOWHPSHUDWXUH8'LVFRQQHFWLRQRUFRQWDFWIDLOXUHRIFRQQHFWRU+RQRXWGRRUFRQWUROOHUERDUG9'LVFRQQHFWLRQRUFRQWDFWIDLOXUHRI+FRQQHFWLRQ0'HIHFWLYHRXWGRRUFRQWUROOHUERDUG1'HIHFWLYHDFWLRQRIOLQHDUH[SDQVLRQYDOYH20DOIXQFWLRQRIIDQGULYLQJFLUFXLW1&KHFNLIVWRSYDOYHLVIXOO\RSHQ2&KHFNSLSLQJDQGUHSDLUGHIHFW3–6&KHFNRXWGRRUXQLWDQGUHSDLUGHIHFW7&KHFNWKHGHWHFWHGWHPSHUDWXUHRIRXWVLGHWHPSHUDWXUHWKHUPLVWRURQ/('GLVSOD\6:RQ$&RQWURO6HUYLFH7RRO5HIHUWR)81&7,212)6:,7&+(6&211(&7256$1'-803(568–07XUQWKHSRZHURIIDQGFKHFN)LVGLVSOD\HGZKHQWKHSRZHULVWXUQHGDJDLQ:KHQ)LVGLVSOD\HGUHIHUWR³-XGJPHQWDQGDFWLRQ´IRU)1&KHFNOLQHDUH[SDQVLRQYDOYH5HIHUWR+2:72&+(&.7+(3$57625HSODFHRXWGRRUFRQWUROOHUERDUG
OCH651
All manuals and user guides at all-guides.com
Check code Abnormal point and detection method Cause Judgment and action
8Temperature of heat sink
$EQRUPDOLI7+GHWHFWVWHPSHUDWXUHLQGLFDWHGEHORZ6:96+:9ÂÂÂÂÂÂÂÂÂÂÂÂÂÂ:
6:<6+:<ÂÂÂÂÂÂÂÂÂÂÂÂÂÂ:
7+7KHUPLVWRU+HDWVLQN!1
7KHRXWGRRUIDQPRWRULVORFNHG
2)DLOXUHRIRXWGRRUIDQPRWRU3$LUIORZSDWKLVFORJJHG45LVHRIDPELHQWWHPSHUDWXUH5'HIHFWLYHWKHUPLVWRU6'HIHFWLYHLQSXWFLUFXLWRIRXWGRRUSRZHUFLUFXLWERDUG7
)DLOXUHRIRXWGRRUIDQGULYHFLUFXLW
12&KHFNRXWGRRUIDQ3&KHFNDLUIORZSDWKIRUFRROLQJ4&KHFNLIWKHUHLVVRPHWKLQJZKLFKFDXVHVWHPSHUDWXUHULVHDURXQGRXWGRRUXQLW8SSHUOLPLWRIDPELHQWWHPSHUDWXUHLV:7XUQRIISRZHUDQGRQDJDLQWRFKHFNLI8LVGLVSOD\HGZLWKLQPLQXWHV,I8LVGLVSOD\HGLQVWHDGRI8IROORZWKHDFWLRQWREHWDNHQIRU85&KHFNUHVLVWDQFHYDOXHRI7+RUWHPSHUDWXUHE\PLFURSURFHVVRU7+5HIHUWR+2:72&+(&.7+(3$576
6:RQ$&RQWURO6HUYLFH7RRO5HIHUWR
)81&7,212)6:,7&+(6&211(&7256$1'-803(56
65HSODFHRXWGRRUSRZHUFLUFXLWERDUG75HSODFHRXWGRRUFRQWUROOHUFLUFXLWERDUG
87+7+7+7+7+
Open/short of outdoor unit thermistors
(TH3, TH32 (PUHZ-SHW only), TH6, TH7,
and TH8)
$EQRUPDOLIRSHQRUVKRUWLVGHWHFWHGGXULQJFRPSUHVVRURSHUDWLRQ2SHQGHWHFWLRQRI7+7+38+=6+:RQO\DQG7+LVLQRSHUDWLYHIRUVHFRQGVWRPLQXWHVDIWHUFRPSUHVVRUVWDUWLQJDQGPLQXWHVDIWHUDQGGXULQJGHIURVWLQJ1RWH&KHFNZKLFKXQLWKDVDEQRUPDOLW\LQLWVWKHUPLVWRUE\VZLWFKLQJWKHPRGHRI6:3$&6.675HIHUWR)81&7,212)6:,7&+(6&211(&7256$1'-803(56
1
&KHFNFRQQHFWLRQRIFRQQHFWRU7+7+7+RQWKHRXWGRRUFRQWUROOHUFLUFXLWERDUG&KHFNFRQQHFWLRQRIFRQQHFWRU&1RQWKHRXWGRRUSRZHUFLUFXLWERDUG&KHFNEUHDNLQJRIWKHOHDGZLUHIRU7+7+7+7+7+
5HIHUWR7(6732,17',$*5$02
&KHFNUHVLVWDQFHYDOXHRI7+7+7+7+7+RUFKHFNWHPSHUDWXUHE\PLFURSURFHVVRU7+7+7+7+5HIHUWR7(6732,17',$*5$06:RQ$&RQWURO6HUYLFH7RRO5HIHUWR)81&7,212)6:,7&+(6&211(&7256$1'-803(56
35HSODFHRXWGRRUFRQWUROOHUFLUFXLWERDUG1RWH(PHUJHQF\RSHUDWLRQLVDYDLODEOHLQFDVHRIDEQRUPDOLWLHVRI7+7+38+=6+:RQO\
7+DQG7+1'LVFRQQHFWLRQRUFRQWDFWIDLOXUHRIFRQQHFWRUV
2XWGRRUFRQWUROOHUFLUFXLWERDUG
:
7+7+38+=6+:RQO\7+
2XWGRRUSRZHUFLUFXLWERDUG
:
&12'HIHFWLYHWKHUPLVWRU3'HIHFWLYHRXWGRRUFRQWUROOHUFLUFXLWERDUG
8Power module
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/RRVHQHVVGLVFRQQHFWLRQRUFRQYHUVHRIFRPSUHVVRUZLULQJFRQQHFWLRQ
4'HIHFWLYHFRPSUHVVRU5
'HIHFWLYHRXWGRRUSRZHUFLUFXLWERDUG
12SHQVWRSYDOYH2&KHFNIDFLOLW\RISRZHUVXSSO\3
&RUUHFWWKHZLULQJ89:SKDVHWRFRPSUHVVRU5HIHUWR7(6732,17',$*5$02XWGRRUSRZHUFLUFXLWERDUG
4&KHFNFRPSUHVVRUUHIHUULQJWR+2:72&+(&.7+(3$57655HSODFHRXWGRRUSRZHUFLUFXLWERDUG8Too low superheat due to low discharge
temperature
$EQRUPDOLIGLVFKDUJHVXSHUKHDWLVFRQWLQXRXVO\GHWHFWHGOHVVWKDQRUHTXDOWRí:IRUPLQXWHVHYHQWKRXJKOLQHDUH[SDQVLRQYDOYHKDVPLQLPXPRSHQSXOVHDIWHUFRPSUHVVRUVWDUWVRSHUDWLQJIRUPLQXWHV1'LVFRQQHFWLRQRUORRVHFRQQHFWLRQRIGLVFKDUJHWHPSHUDWXUHWKHUPLVWRU7+2'HIHFWLYHKROGHURIGLVFKDUJHWHPSHUDWXUHWKHUPLVWRU3'LVFRQQHFWLRQRUORRVHFRQQHFWLRQRIOLQHDUH[SDQVLRQYDOYH¶VFRLO4
'LVFRQQHFWLRQRUORRVHFRQQHFWLRQRIOLQHDUH[SDQVLRQYDOYH¶VFRQQHFWRU
5'HIHFWLYHOLQHDUH[SDQVLRQYDOYH12&KHFNWKHLQVWDOODWLRQFRQGLWLRQVRIGLVFKDUJHWHPSHUDWXUHWKHUPLVWRU7+3&KHFNWKHFRLORIOLQHDUH[SDQVLRQYDOYH5HIHUWR+2:72&+(&.7+(&20321(1764&KHFNWKHFRQQHFWLRQRUFRQWDFWRI/(9$DQG/(9%RQRXWGRRUFRQWUROOHUFLUFXLWERDUG5&KHFNOLQHDUH[SDQVLRQYDOYH5HIHUWR+2:72&+(&.7+(3$5767KHUPLVWRUV2SHQGHWHFWLRQ6KRUWGHWHFWLRQ6\PERO1DPH
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