Ameristar M4HP40 Series, Руководство по установке

Страница: 25 / 28

NOTE
NOTE
NOTE:
TABLE 4. Troubleshooting
SYSTEM FAULTS
REFRIGERANT CIRCUIT
Head Pressure Too High
Head Pressure Too Low
Suction Pressure Too High
Suction Pressure Too Low
Liquid Refrig. Floodback
(TXV)
I.D. Coil Frosting
Compressor Runs Inadequate or
No Cooling/Heating
ELECTRICAL
Compressor & O.D. Fan Won’t Start
Compressor Will Not Start But
O.D. Fan Runs
O.D. Fan Won’t Start
Compressor Hums But Won’t Start
I.D. Blower Won’t Start
DEFROST
Unit Won’t Initiate Defrost
Defrost Terminates on Time
Unit Icing Up
A H
W
T O
T
K C
E H
C
E D
O
M
O P
R E
W
L P
P U
S Y
H
G I
H
O V T
L G
A
E G
N I
R I
W
COMPRESSR
P A
C A
T I
C
R
O
O.D. FAN
P A
C A
T I
C R
O
I.D. BLOWER CAPACITOR
T N
O
C C
A
O T
R C
T
N
O C
A S
T
O L
W
O V T
L G
A
E
G
N I
R I
W
R T
N
O
C
L
O
T
R E
M
R
O F
S N
A R
T S
O
M
R E
H T T
A
T N
O
C
C A O
T
R
L I
O
C
O L
W O
V T
L G
A
E F
E
S U
K
C U
T S R
O S
S E
R P
M
O
C
T
N E
I C
I F
F E
N I
M
O
C .
P
F E
R
.
E G
R A
H C
R E
D N
U F
E R
. O
E
G
R A
H C
R E
V E
V I
S S
E C
X E V
E P
A
. O
L
D A
S E
L B
A S
N E
D N
O
C N
O
N
S E
R
. .
O
.
D
O L
F R
I A
W
. O
.
D
R I
A A
L U
C R
I C
E R
N
O I
T
V X
T
K
C U
T S N
E P
O
A E
H R
E P
U S T
E R .
S D
. I
. O
L F
R I
A
W
F E
R
. C
. R
I
N
O I
T C
I R
T S
E R S
O S
V
N I
K A
E L
G
O S
V
L I
O
C E
V I
T C
E F
E D
K
C E
H C
A V
V L
E
G
N I
K A
E L
I.D. CONTROL DEF.
R F
E D
T
S O
R T
N
O
C
L O
F E
D
.
C
H
C
H
C
H
C
H
C
H
C
H
C
H
C
H
C
H
C
H
C
H
C
H
C
H
C
H
C
H
P
P
P
P
P
P
P
P
P
P
P
P
S
S
S
S
S
S
S
P
P
P
P
S
S
S
S
P P
P
S
S
P
P
P
P
P
P
P
P
S
S
S
S
S
S
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
S
S
S
S
S
P
S
S
S
S
S
S
S
S
S
P
P
S
S
S
S
S
S
S
S
P
P
P
P
S
S
S
S
S
S
S
S
S
S
S
P
P
S
S
S
S
S
P
P
P
P
P
P
P
S
S
P
P
P
C- Cooling H - Heating P - Primary Causes S - Secondary Causes
T4
TEMP.
SENSOR DEF.
T3
TEMP.
SENSOR DEF.
HPC/HGS
SENSOR DEF.
LPC
SENSOR DEF.
S
S
P
P
P
P
S
S
S
S
S
S S S
S
S
P
S
1.
[ ]
2. Properly insulate suction lines and fi ttings. .........
5.Check all duct outlets; they must be open and unrestricted.
6.Check drain lines and be sure all joints are tight...............
[ ]
3. Properly secure and isolate all refrigerant lines...
[ ]
Be sure unit suspension(if used) is secure and that
thereare no tools or loose debris in or around or on
top of the unit......................................................
4. Verify that all electrical connections are tight. .....
[ ]
After installation has been completed, it is recommended that the entire system be checked against the following list:
Final phases of this installation are the unit Operational and Checkout Procedures. To obtain proper performance,
all units must be operated and charge adjustments made in accordance with procedures found in the Service Facts
of the Outdoor Unit.
[ ]
[ ]
7.Be sure that a return air fi lter is installed. ..........................
[ ]
[ ]
8.Operate complete system in each mode to verify proper
performance. Verify operation of supplementary electric
heater. ...............................................................................
TABLE 5. Operational And Checkout Procedures
14 SEER
C
RE
D
YE
LL
O
W
GR
EE
N
Y
R
G
INDOOR UNIT
OUTDOOR UNIT
G
C
Y
B
LA
C
K
R
C
B
LA
C
K
GROUND
PLUG PLA TE