Carrier 69NT40-541-001, Операция и обслуживание

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4–3 T-316
4.1.2 Display Module
The display module ( Figure 4.3 ) consists of five digit displays and seven indicator lights. The indicator
lights include:
1. Cool - White LED: Energized when the refrigerant compressor is energized.
2. Heat - Orange LED: Energized to indicate heater operation in the heat or defrost mode.
3. Defrost - Orange LED: Energized when the unit is in the defrost mode.
4. In-Range - Green LED: Energized when the controlled temperature probe is within specified
tolerance of set point.
Figure 4.3 Display Module
NOTE
The controlling probe in the perishable range will be the SUPPLY air probe and the controlling probe
in the frozen range will be the RETURN air probe.
5. Supply - Yellow LED: Energized when the supply air probe is used for control. When this LED is illuminated,
the temperature displayed in the AIR TEMPERATURE display is the reading at the supply air probe. This
LED will flash if dehumidification or humidification is enabled.
6. Return - Yellow LED: Energized when the return air probe is used for control. When this LED is illuminated,
the temperature displayed in the AIR TEMPERATURE display is the reading at the return air probe. This
LED will flash if dehumidification or humidification is enabled.
7. Alarm - Red LED: Energized when there is an active or an inactive shutdown alarm in the alarm queue.
Figure 4.4 Micro-Link 3 Controller
1. Mounting Screw
2. Micro-Link 3 Controller
3. Connectors
4. Test Points
5. Fuses
6. Control Circuit Power Connection (Location:
In back of controller)
7. Software Programming Port
8. Battery Pack
- - - - -
COOL HEAT DEFROST IN RANGE ALARM SUPPLY RETURN
a t a D / E R U T A R E P M E T R I A e d o C / T N I O P T E S
MA
CONTROLLER
Micro-Link3 With
DataCORDER
MB MC
F2
(5A)
TP F1
(5A) F3A
(7.5A)
F3B
(7.5A)
KH
OC1
KA
EN12830
CARRIER
S/N: 0491162
T B C1
KE
REV 5147 YYWW:
KD
1035
KC
12-00579-00
59980
KB
1 2 3
3
3
3
3
4
5 6 7 8