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Figure 1-2. Major Operator Associated Components
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TM-5-4120-359-14 Air Conditioner Split Package 18 000 BTU/HR Cooling 30 000 BTU/HR Heating 208 Volt 3 Phase 400 Hertz Manual
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EQUIPMENT DATA - 506780020
TM 5-4120-359-14
(1) DELETED
(2) FRESH AIR DUCT - Provides filtered outside air for ventilation. May be mounted on opposite side by
exchanging it with FRESH AIR COVER, item 3.
(3) FRESH AIR COVER - Seals alternate FRESH AIR DUCT opening closed. See item 2 above.
(4) FRESH AIR FILTER - Filters the fresh (outside make up) air.
(5) POWER CONNECTOR (J1) - Connection point for input 208 volt, 3 phase, 400 Hz power cable.
(6) REMOTE CONTROL CONNECTOR (J7) - Connection point for remote control cable.
(7) TEMPERATURE CONTROL (A1-R1) - Allows adjustment and control the temperature when operating in the
cool or heat modes.
(8) RUN INDICATOR LIGHT (XDS1) - Lights when the unit is operating. Also lights when pressed in (for test
purposes) power is connected.
(9) MODE SELECTOR SWITCH (S1) - Allows operator to select COOL, OFF, LOW HEAT or HIGH HEAT
operating mode.
(10) TIME TOTALIZING (HOUR) METER (M1) - Indicates operating time (elapsed) in a modes.
(11) SIGHT GLASS - Allows visual inspection and indicates the condition of the liquid refrigerant when the unit is
operating in the COOL mode.
(12) LOW SIDE SERVICE VALVE - Provides a connection point for maintenance, testing, and service.
Unauthorized personnel should not tamper with this valve.
(13) HIGH SIDE SERVICE VALVE - Provides a connection point for maintenance, testing, and service.
Unauthorized personnel should not tamper with this valve.
(14) HIGH PRESSURE CUTOUT (SWITCH) RESET (4) - Permits manual closing (reset) of switch following
system shutdown due to excessive refrigerant system pressure.
1-9. DIFFERENCES BETWEEN MODELS
(1) Throughout this manual the following model numbers are assigned these codes:
Code:
Model Number
DHF
F18H4-2 (Keco)
EKP
MSP16-4-08 (Airtacs)
FGG
FAC-MH-18S (Ferange)
(2) The condenser sections are wired differently. Sheet 3 of figure 4-3 shows wiring for the DHF version. Models
EKP and FGG have the following differences:
a. Jumper added between K1-11 and TB3-5.
b. Wire from J13-L is connected to terminal K1-12 instead of K1-X1.
c.  TB4-12 connections are made to TB4-10.
(3) There are no differences between Model EKP and FGG.
1-4 Change 6

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