EMI CAC_36, Инструкция по установке, эксплуатации и обслуживанию

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Cassette Air Handler
18
Refer to low voltage interconnect dia
-
grams Figure #12
and
Figure #13.
NOTE:
Apply power to the Condensing
Unit’s crankcase heater for 24 hours before
start up to boil off any liquid refrigerant that
may be present in the compressor.
1. After 24 hours, the compressor should
be isolated by removing the connection
at the “Y” terminal on the outdoor unit.
Main power can now be applied to the
indoor and outdoor units. A system elec
-
trical check can now be carried out.
START -Up
Figure #6
CACA/CAHA – REMOTE THERMOSTAT
OpERATION:
2A. Switch on the indoor Cassette unit and
check that the fan cycles correctly.
3A. On models CAHA24 and CACA36,
check that the motorized vane
sweep functions correctly by tog
-
gling the function on or off, via the
toggle switch on the side of the elec
-
trical box Figure #5 .
CACB/CAHB – UNIT mOUNT CONTROL
USINg THE OpTIONAL INfRAREd HANd
HELd CONTROLLER:
2B. Verify that the DIP switch #4 (Remote
Thermostat Operation) is OFF and #1
(Test Mode) is oN within the control box
of the air handler. Refer to
Figure #6 .
All subsequent operations are accom
-
plished with the
optional
Infrared Hand
Held Controller. (See
optional
Infrared
Hand Held Controller Operation section
of this document for details.)
3B. Turn on the unit, verify fan operation
and louver function. Adjust fan speed
and louver function with the
optional
Infrared Hand Held Controller.
4B. If the unit has optional Electric Resis-
tance Heat, ensure that the optional
Infrared Hand Held Controller is prop
-
erly configured for the outdoor unit.
Cooling Only Systems (See
Configura
-
tion Mode
section of this document for
details)
Heat Source – oN
Heat Pump – OFF
Place the optional
Infrared Hand Held
Controller into heat Mode with the set-
point temperature above room tempera
-
ture. Verify that the supply air is warmer
than room temperature.
Toggle Switch
Figure #5
4A. For units with electric heat, check
the operation of the heat elements
by switching the system to the heat
-
ing mode and the setpoint above the
room temperature.