OPERATING & MAINTENANCE MANUAL
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CONSOLE HYBRID WATER-COOLED AIR CONDITIONER (CHW)
7
OPERATING & MAINTENANCE MANUAL
-
CONSOLE HYBRID WATER-COOLED AIR CONDITIONER (CHW)
Temporary Program Override
1. When thermostat is ON, the program
set-point can be temporarily overrode by pressing [UP]
or [DOWN]. “OVERRIDE” icon will turn on. Press[UP]
or [Down] to select the set-point
2. In Heat mode, Heat set-point can be adjusted.
3. In Cool mode, Cool set-point can be adjusted.
4. In Auto mode, Heat set-point will be set first and
press [UP] or [DOWN] to set the Heat set-point. Press
[Fan] to confirm the Heat set point. Cool set-point will
be set second and press [UP] or [DOWN] to set the
Cool set-point. Press [Fan] to confirm the Cool set-
point.
5. Temporary Override will be cancelled if user
changes the operation mode or the unit enters
the next program time session.
Permanent Override
1. Holding [UP] and [Down] key for 2 seconds to enter
Permanent Override mode.
Permanent Override icon will turn on.
2. In Heat mode, Heat set-point can be adjusted
3. In Cool mode, Cool set-point can be adjusted
4. In Auto mode, Heat set-point will be set first and
press [UP] or [DOWN] to set the Heat set-point. Press
[Fan] to confirm the Heat set-point. Cool set-point
will be set second and press [UP] or [DOWN] to set
the Cool set-point.
5. Permanent Override will be cancelled if user
changes the operation mode or turns off the unit.
6. Hold [Fan] key 5 seconds to cancel the permanent
override mode.
Operating Specifications
•
Temperature measurement
°C ~ 40°C / 32°F ~ 99°F
•
Accuracy: ±0.5°C/ 1°F
•
Voltage: 18-30VAC
•
Temperature Controllable range:
5°C~35°C / 55°F ~ 95°F
•
Resolution: 0.5°C /1°F
•
Operating temperature:
0 – 50°C / 32 – 122°F
•
Storage temperature:
5 – 50°C/ 23 – 122°F
MAINTENANCE & SERVICE
CAUTION:
to prevent injury or death due to electrical shock
or contact with moving part, turn off the disconnect switch
before servicing this unit.
IMPORTANT NOTE: It is not the intent of this maintenance
manual to correct any installation deficiencies. If you have any
doubt about the proper initial installation (or reinstallation after
servicing) of your WCAC unit(s)- noisy or inefficient unit opera-
tion, frayed or damaged electrical connections, improper unit
appearance, etc. – please contact a trained servicer or building
maintenance staff immediately.
DO NOT OPERATE ANY EQUIPMENT THAT DOES NOT APPEAR
TO BE FUNCTIONING PROPERLY!
MAINTENANCE OVERVIEW
Your
ICE AIR CHW
unit is designed to provide you with many
years of efficient, trouble-free comfort conditioning service. To
ensure equipment longevity and efficiency, please make sure
that the following simple maintenance procedures are followed.
This manual assumes that your CHW unit has been installed by a
qualified installation professional, and is operating properly prior
to maintenance service.
Have your unit periodically inspected by a properly trained ser-
vice professional or building maintenance staff person. The unit
should be checked for the safe and proper functioning of all of its
systems at least once a year. The following recommended main-
tenance procedures should be carried out only by trained person-
nel with strict adherence to the safety guidelines outlined at the
beginning of this manual. These procedures MUST be followed to
ensure your safety and the safety of the person maintaining the
equipment.
