GVZC20 Service Manual
SERVICING
93
CTK04 ADDENDUM
CTK04 ADDENDUM
HEAT PUMP ADVANCED FEATURE MENU
S T N E M M O CS N O I T P O E L B A I F I D O M R E S UME T I U N EMB U S
Reset System Setup Opons to Factory
Defaults
. s gn i t t e s t l ua f ed y r o t c a f o t unem s i h t s t e s e r " SEY " gn i t c e l eSS E Y r o ON
. esu e r u t uFA/N
T N E R R U C X AM T E S
VERTICAL RISE
Same Level, Outdoor Lower, or
Indoor Lower
If the outdoor & indoor units are within +/- 15 . vercal distance,
select SAME LEVEL. If the outdoor unit is more than 15 . below the
indoor unit, select OUTDOOR LOWER. If the ou
tdoor unit is more than
15 . above the indoor unit, select INDOOR LOWER.
BOOST MODE (BOOST MD) ON or OFF
BOOST MD turns BOOST MODE OFF or ON. BOOST MODE is ON by
default. See BOOST MODE secon of this manual for more details.
BOOST MODE TEMPERATURE
(BOOST TEMP)
Always ON, 70, 75, 80, 85,
90, 95, 100, 105F
BOOST TEMP adjusts the acvaon temperature from 70°F to 105°F.
An "Always ON" opon is also available to permanently engage BOOST
MODE.
SUBMENU ITEM
INDIC
ATION/USER
MODIFIABLE OPTIONS
COMMENTS
System Vericaon Test (SYSTEM TEST) ON or OFF
System Vericaon Test must be run aer installaon. This is
approximately a 5-15 minute test. If the thermostat is set to COOL
mode, the system will enter CHARGE mode upon compleon,
otherwise it will stop.
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S TNEMMOCSNO I TPO E L BA I F I DOM RE SUME T I U N EMB U S
F F O r o NO
NWO D P MU P
Enter PUMP DOWN Mode. This procedure runs the equipment for
approximately 15 minutes and allows accumulaon of refrigerant at
the outdoor unit for purposes of removing & replacing the indoor unit
or outdoor unit.
F F O r o NOEDOM EGRAHC
Enter Charging Mode. This allows for a steady system operaon for a
duraon of approximately 1 hour to allow for refrigerant charging of
the system via the sucon charge port. The system
will stop ar
compleon.
NOTE: BOOST MODE is applicable only for *VZC20AB or later revision.
SYSTEM SETUP (SYS SETUP)
EQUIPMENT TEST (EQUIP TEST)
SYSTEM MAINTENANCE