Daikin DZ20VC - Important Information; Important Notices for Consumers and Servicers; Safe Refrigerant Handling

IMPORTANT INFORMATION
2
SAFE REFRIGERANT HANDLING
While these items will not cover every conceivable situation, they
should serve as a useful guide.
R EFRIGERANTS ARE HEAVIER THAN AIR . T HEY CAN “ PUSH OUT ” THE
OXYGEN IN YOUR LUNGS OR IN ANY ENCLOSED SPACE . T O AVOID
POSSIBLE DIFFICULTY IN BREATHING OR DEATH :
• N
EVER PURGE REFRIGERANT INTO AN ENCLOSED ROOM OR SPACE . B Y
LAW , ALL REFRIGERANTS MUST BE RECLAIMED .
• I
F AN INDOOR LEAK IS SUSPECTED , THOROUGHLY VENTILATE THE AREA
BEFORE BEGINNING WORK .
• L
IQUID REFRIGERANT CAN BE VERY COLD . T O AVOID POSSIBLE FROST BITE
OR BLINDNESS , AVOID CONTACT AND WEAR GLOVES AND GOGGLES . I F
LIQUID REFRIGERANT DOES CONTACT YOUR SKIN OR EYES , SEEK MEDICAL
HELP IMMEDIATELY .
• A
LWAYS FOLLOW EPA REGULATIONS . N EVER BURN REFRIGERANT , AS
P
OISONOUS GAS WILL BE PRODUCED .
WARNING
IMPORTANT NOTICES FOR CONSUMERS
AND SERVICERS
RECOGNIZE SAFETY SYMBOLS, WORDS AND LABELS
HIGH VOLTAGE !
D ISCONNECT ALL POWER BEFORE SERVICING .
M
ULTIPLE POWER SOURCES MAY BE PRESENT . F AILURE
TO DO SO MAY CAUSE PROPERTY DAMAGE , PERSONAL
INJURY OR DEATH .
WARNING
T O PREVENT THE RISK OF PROPERTY DAMAGE , PERSONAL INJURY , OR
DEATH , DO NOT STORE COMBUSTIBLE MATERIALS OR USE GASOLINE OR
OTHER FLAMMABLE LIQUIDS OR VAPORS IN THE VICINITY OF THIS
APPLIANCE .
WARNING
Pride and workmanship go into every product to provide our
customers with quality products. It is possible, however, that
during its lifetime a product may require service. Products
should be serviced only by a qualified service technician who
is familiar with the safety procedures required in the repair and
who is equipped with the proper tools, parts, testing instru-
ments and the appropriate service manual. REVIEW ALL SERVICE
INFORMATION IN THE APPROPRIATE SERVICE MANUAL BEFORE
BEGINNING REPAIRS.
To locate an authorized servicer, please consult your
telephone book or the dealer from whom you purchased this
product. For further assistance, please contact:
CONSUMER INFORMATION LINE - DAIKIN BRAND PRODUCTS
TOLL FREE 1-855-770-5678 (U.S. only)
email us at: customerservice@daikincomfort.com
fax us at: (713) 856-1821
(Not a technical assistance line for dealers.)
Outside the U.S., call 1-713-861-2500.
(Not a technical assistance line for dealers.)
our telephone company will bill you for the call.
IMPORTANT INFORMATION ............................................... 2 - 3
PRODUCT IDENTIFICATION ................................................... 4
ACCESSORIES ................................................................... 5 - 6
TESTING CAPACITOR RESISTANCE ............................... 7 - 8
REPLACING THE CONTROL BOARD ..................................... 9
SYSTEM OPERATION ..................................................... 10 - 16
COOLING ANALYSIS CHART ................................................ 17
HEATING ANALYSIS CHART ................................................. 18
SERVICING TABLE OF CONTENTS ...................................... 19
SERVICING ..................................................................... 20 - 59
TROUBLESHOOTING - INDOOR UNIT .................. 39 - 54
EMERGENCY MODE ...............................................55 - 59
SETTING THE MODE DISPLAY- OUTDOOR UNIT ........ 60 - 65
7-SEGMENT DISPLAY- OUTDOOR UNIT ...................... 66 - 68
TROUBLESHOOTING - OUTDOOR UNIT ...................... 69 - 75
THERMISTOR RESISTANCE
& TEMPERATURE CHARACTERISTICS ....................... 76
PRESSURE VS TEMPERATURE CHART ............................. 77
LIQUID LINE TEMPERATURE CHART ................................. 78
WIRING DIAGRAM ........................................................... 79 - 82
CTK04 ADDENDUM ..................................................... 83 - 112
I NVERTER H/P MODELS CAN ONLY BE MATCHED WITH A DV**PEC AIR
H ANDLER , TXV-V** EXPANSION VALVE KIT . D AMAGE RESULTING
FROM OPERATION WITH ANY OTHER COMBINATION IS NOT COVERED BY
OUR WARRANTIES . DV**PEC AIR HANDLER IS APPLICABLE ONLY FOR
DZ20VC0**1BA
MODEL OR LATER REVISION .
NOTICE
D O NOT CONNECT TO OR USE ANY DEVICE THAT IS NOT DESIGN
CERTIFIED BY THE MANUFACTURER FOR USE WITH THIS UNIT . S ERIOUS
PROPERTY DAMAGE , PERSONAL INJURY , REDUCED UNIT PERFORMANCE
AND / OR HAZARDOUS CONDITIONS MAY RESULT FROM THE USE OF
SUCH NON - APPROVED DEVICES .
WARNING