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