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Aquazone™ Deluxe D Control LED Indica-
tors —
There are 3 LED indicators on the Deluxe D control.
See Table 20.
STATUS LED — Status LED indicates the current status or
mode of the Deluxe D control. The Status LED light is green.
TEST LED — Test LED will be activated any time the De-
luxe D control is in test mode. The Test LED light is yellow.
FAULT LED — Fault LED light is red. The fault LED will
always flash a code representing the last fault in memory. If
there is no fault in memory, the fault LED will flash code 1 on
and appear as 1 fast flash alternating with a 10-second pause.
See Table 20.
WSHP Open Test Mode — To enter WSHP Open test
mode, navigate from the BACview
6
home screen to the
configuration screen. Choose the service screen and enable
unit test. The controller will then test the following:
FAN TEST — Tests all fan speeds, sequences fan from low to
high, and operates each speed for one minute. Resets to disable
on completion.
COMPRESSOR TEST — Tests compressor cooling and
heating operation. Sequences cooling stage 1 then cooling
stage 2 followed by heating stage 2 then reduces capacity to
heating stage 1. Operates for 1 minute per step.
DEHUMIDIFICATION TEST — Tests dehumidification
mode. Operates for 2 minutes.
AUXILIARY HEATING TEST — Tests auxiliary heat. Se-
quences fan on and enables heating coil for 1 minute.
H
2
O ECONOMIZER TEST — Tests entering/returning
water loop economizer operation. Sequences fan and opens
economizer water valve for one minute.
OPEN VENT DAMPER 100% TEST — Tests outside air
(OA) damper operation.
PREPOSITION OA DAMPER — Prepositions OA damper
actuator to set proper preload.
NOTE: The auxiliary heating test, H
2
O economizer test, open
vent damper 100% test, and preposition OA damper features
will not be visible on the screen unless configured.
Once tests are complete, set unit test back to disable. Unit will
automatically reset to disable after 1 hour.
SERVICE
Perform the procedures outlined below periodically, as
indicated.
Filters — Filters must be clean for maximum performance.
Inspect filters every month under normal operating conditions.
replace when necessary.
Water Coil — Keep all air out of the water coil. Check
open loop systems to be sure the well head is not allowing air
to infiltrate the water line. Always keep lines airtight.
Inspect heat exchangers regularly, and clean more frequent-
ly if the unit is located in a “dirty” environment. The heat
exchanger should be kept full of water at all times. Open loop
systems should have an inverted P trap placed in the discharge
line to keep water in the heat exchanger during off cycles.
Closed loop systems must have a minimum of 15 psi during
the summer and 40 psi during the winter.
Check P trap frequently for proper operation.
Condensate Drain Pans — Check condensate drain
pans for algae growth twice a year. If algae growth is apparent,
consult a water treatment specialist for proper chemical treat-
ment. The application of an algaecide every three months will
typically eliminate algae problems in most locations.
Refrigerant System — Verify air and water flow rates
are at proper levels before servicing. To maintain sealed circuit-
ry integrity, do not install service gages unless unit operation
appears abnormal. Check to see that unit is within the super-
heat and subcooling ranges.
Condensate Drain Cleaning — Clean the drain line
and unit drain pan at the start of each cooling season. Check
flow by pouring water into drain. Be sure trap is filled to main-
tain an air seal.
Air Coil Cleaning — Remove dirt and debris from evap-
orator coil as required by condition of the coil. Clean coil with
a stiff brush, vacuum cleaner, or compressed air. Use a fin
comb of the correct tooth spacing when straightening mashed
or bent coil fins.
Condenser Cleaning — Water-cooled condensers may
require cleaning of scale (water deposits) due to improperly
maintained closed-loop water systems. Sludge build-up may
need to be cleaned in an open water tower system due to
induced contaminants.
Local water conditions may cause excessive fouling or
pitting of tubes. Condenser tubes should therefore be cleaned at
least once a year, or more often if the water is contaminated.
Proper water treatment can minimize tube fouling and
pitting. If such conditions are anticipated, water treatment
analysis is recommended. Refer to the Carrier System Design
Manual, Part 5, for general water conditioning information.
IMPORTANT: When a compressor is removed from this
unit, system refrigerant circuit oil will remain in the com-
pressor. To avoid leakage of compressor oil, the refrigerant
lines of the compressor must be sealed after it is removed.
IMPORTANT: All refrigerant discharged from this unit
must be recovered without exception. Technicians must fol-
low industry accepted guidelines and all local, state and fed-
eral statutes for the recovery and disposal of refrigerants.
IMPORTANT: To avoid the release of refrigerant into the
atmosphere, the refrigerant circuit of this unit must only be
serviced by technicians which meet local, state and federal
proficiency requirements.
IMPORTANT: To prevent injury or death due to electrical
shock or contact with moving parts, open unit disconnect
switch before servicing unit.
IMPORTANT: Units should never be operated with-
out a filter.
CAUTION
To avoid fouled machinery and extensive unit clean-up,
DO NOT operate units without filters in place. DO NOT
use equipment as a temporary heat source during
construction.
CAUTION
Follow all safety codes. Wear safety glasses and rubber
gloves when using inhibited hydrochloric acid solution.
Observe and follow acid manufacturer’s instructions. Fail-
ure to follow these safety precautions could result in per-
sonal injury or equipment or property damage.