Daikin DZ18VC Series Installation Instructions Manual page 15
Heat pump unit
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Also See for DZ18VC Series:
- Instructions (4 pages) ,
- Service instructions manual (88 pages)
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POSSIBLE CAUSE
X IN ANALYSIS GUIDE INDICATE
"POSSIBLE CAUSE"
Liquid stop valve does not fully open
Gas stop valve does not fully open
Line set restriction
Line set length is too long
Blocked filter-dryer
OD EEV coil failure
OD EEV failure
ID EEV coil failure
ID EEV failure
Check valve failure – Blocked
High Pressure switch failure
Pressure sensor failure
Suction temp sensor failure
Discharge temp sensor failure
Coil temp sensor failure
Defrost sensor failure
Liquid temp sensor failure
Ambient temp sensor failure
OD recirculation
ID recirculation
Dirty OD Heat-exchanger
Dirty ID Heat-exchanger
Outdoor Ambient temp is too high
Outdoor Ambient temp is too low
ID suction temp is too high
ID suction temp is too low
Mixture of non-condensible gas
OD fan motor failure
RV failure
RV coil failure
Over charge
Under charge
Leak
OD Control Board Failure
ID Failure
Compressor failure
Cooling loop is not attached
Cooling loop grease is not enough
Low ID CFM
Outdoor Normal Temperature Operating Range: 67-115°F
Indoor Normal Temperature Operating Range: 65-85°F
A
VOID CONTACT WITH THE CHARGED AREA
•N
EVER TOUCH THE CHARGED AREA BEFORE CONFIRMING THAT THE RESIDUAL VOLTAGE IS
1. S
HUT DOWN THE POWER AND LEAVE THE CONTROL BOX FOR
2. M
AKE SURE TO TOUCH THE
3. M
EASURE THE RESIDUAL VOLTAGE IN THE SPECIFIED MEASUREMENT POSITION USING A
4. I
MMEDIATELY AFTER MEASURING THE RESIDUAL VOLTAGE
STRONG WIND BLOWING AGAINST IT
COOLING ANALYSIS CHART
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WARNING
.
10
MINUTES
E
ARTH GROUND TERMINAL TO RELEASE THE STATIC ELECTRICITY FROM YOUR BODY
,
DISCONNECT THE CONNECTORS OF THE OUTDOOR UNIT
,
WILL BE CHARGED,
THE CAPACITOR
15
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50
.
VOLTS OR LESS
.
(
TO PREVENT FAILURE OF THE
VOM
WHILE PAYING ATTENTION NOT TO TOUCH THE CHARGED AREA
'
S FAN MOTOR
CAUSING THE DANGER OF ELECTRICAL SHOCK
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PC
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BOARD
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. (I
F THE FAN BLADE ROTATES BY
.)
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