Bard CMA-38 User Manual Download

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FIGURE 5

MIS-4074

MOTOR

FROM FAN

MODULATING

LOW AMBIENT BOX

MIS-4074

TRANSFORMER

COMPRESSOR

CONTACTOR

TERMINAL BLOCK

CABLE DUCT

Manual 7960-847B
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Summary of Contents for CMA-38

Page 1: ...lon Wire Ties 6 7961 312 0338 CMA 38 Unit I D Label Field supplied tools needed Personal protection equipment including gloves and safety glasses 5 16 nut driver 1 2 wrench service port 11 16 wrench L...

Page 2: ...peed control box to the pressure switch as shown in Figure 2 5 Install outdoor temperature switch assembly to the fan shroud and route wires through the bushing and up to the control panel as shown in...

Page 3: ...e Figure 5 page 6 and Figure 6 page 7 for wiring and suggested setpoints 10 Find the purple wire not connected to anything that is tucked in the cable duct see Figure 5 Pull it out and connect it to t...

Page 4: ...Sequence of Operation Upon initiation the CMA 38 will apply full voltage to the fan motor for the time period selected with the Hard Start knob see Figure 6 Hard start time is adjustable from 0 1 to 5...

Page 5: ...E ONE OF THE MIDDLE HEADER STUBS TO ATTACH THE FREEZE STAT TO THE EVAPORATOR COIL FREEZE STAT WIRES RUN DOWN COPPER THROUGH THE GROMMET AND INTO THE CONTROL PANEL WITH THE BLOWER MOTOR WIRES Manual 79...

Page 6: ...FIGURE 5 MIS 4074 MOTOR FROM FAN MODULATING LOW AMBIENT BOX MIS 4074 TRANSFORMER COMPRESSOR CONTACTOR TERMINAL BLOCK CABLE DUCT Manual 7960 847B Page 6 of 8...

Page 7: ...881 A Black Red Yellow Black top 2 pins N O Setting position Set to MIN position Set to MIN position Set to 315 RED BLACK BLACK WHITE BLUE Set jumper to TO PRESSURE TRANSDUCER RED WHITE Manual 7960 84...

Page 8: ...Behind Low Voltage Block 12 Pin Plug Blue on UNITS 3 PHASE Low Ambient W24 Units MONITOR Outdoor Contactor Compressor Terminal Block 2 Control Module Compressor Brown on Black Black Yellow Yellow UNI...

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