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16

IMPORTANT

All diagrams (Figure 29 through Figure 39) are typical wiring diagrams. Refer to the wiring diagram on the unit for actual 

wiring.

208/230V Outdoor Unit

Terminal Block

From Power

Supply

1      2       3     L1   L2

Terminal Block

1      2       3     

208/230V Indoor Unit

Outdoor Unit 

Indoor Unit 

Figure 27. Single-Zone Wiring 30K and Below

From Power

Supply

Indoor Unit

CommunicationTerminal Block

L1   L2        

Power Terminal Block

208/230V Outdoor Unit 

L1   L2        

L1   L2        

Power Terminal Block

208/230V Outdoor Unit 

Power Terminal Block

208/230V Indoor Unit 

S1   S2        

Communication Terminal Block

Outdoor Unit 

E

Y

X

Y

Q

S1

E

P

S2

Outdoor Unit 

Indoor Unit 

Figure 28. Single-Zone Wiring 36K and Above

Содержание MCFA024S4-*P

Страница 1: ...g jurisdiction should be consulted before installation The MCFA and MCFB Ceiling Floor indoor units are matched with an outdoor heat pump unit to create a mini split system that uses HFC 410A refriger...

Страница 2: ...door unit will include the following items 1 Assembled Outdoor Unit and the following items Parts Figure Quantity Parts Figure Quantity Drain connector 1 Seal ring 1 Indoor Outdoor Unit Match Ups Outd...

Страница 3: ...1 phase 60hz Nominal Cooling Capacity 018 1 5 tons 024 2 tons 036 3 tons 048 4 tons Unit Type L Low Ambient Heat Pump P Heat Pump CEILING FLOOR NON DUCTED INDOOR UNITS M CF A 018 S 4 1 P Unit Type CF...

Страница 4: ...frigerant lines individually to prevent sweating UV rated tape field provided Wiring Condensate drain line wrapped in foam insulation Refrigerant Line Set Condensate Line And Indoor Outdoor Cable fiel...

Страница 5: ...es 40 1 4 25 53 3 4 15 3 8 16 mm 1023 635 1365 391 406 MPB018S4S P inches 36 21 1 4 27 5 8 14 1 4 13 3 4 mm 914 540 702 363 350 MPB024S4S P MPB036S4S P inches 40 1 2 26 1 2 31 7 8 16 1 8 15 7 8 mm 103...

Страница 6: ...P 50 5 8 1286 47 3 8 1203 MCFA048S4S P 65 1651 61 3 4 1568 MCFB018S4S P 42 1 8 1070 39 991 Figure 3 MCFA and MCFB Indoor Unit Dimensions Inches mm System Clearances Outdoor Unit 24 610 Air Outlet Air...

Страница 7: ...ervice valve stems are factory torqued from 9 ft lbs 12 N for small valves to 25 ft lbs 34 N for large valves to prevent refrigerant loss during shipping and handling Using an Allen wrench rated at le...

Страница 8: ...on page 7 for minimum clearances Place the MCFA or MCFB on a wall which is both ca pable of supporting the unit s weight and which is con structed to enable the unit to fit flush on the wall An uneven...

Страница 9: ...own onto the brackets This will ensure that the unit remains level Indoor Unit Condensate Piping Connections IMPORTANT Make sure that drain piping is properly routed and insulated to prevent both leak...

Страница 10: ...intercom Electrical interference and radio frequencies from any of these sources may affect operation Since water drains from the outdoor unit during vari ous stages of operation do not place anything...

Страница 11: ...amples are When prevailing winds are from the air inlet side then position the wind barrier a minimum of 12 inches 305 mm from the unit as illustrated in Figure 18 Wind Barrier When prevailing wind is...

Страница 12: ...rface to avoid ice build up around the unit Place the unit above a load bearing wall or area of the roof that can adequately support the unit Consult local codes for rooftop applications CAUTION Roof...

Страница 13: ...ch this system contains While it may have some miscibility properties with mineral based oil and POE oil Polyolester it is not recommended to mix PVE oil with any other type of refrigerant oil 7 Align...

Страница 14: ...tested and evacuated to remove any non condensables and moisture from the system Leak Test Use the following procedure to test for system leaks 1 Connect the manifold gauge set and dry nitrogen gas cy...

Страница 15: ...size Make all electrical power wiring connections at the out door unit Be sure to reattach all electrical box covers after con nections are complete Indoor Unit All indoor units are powered by the out...

Страница 16: ...208 230V Indoor Unit Outdoor Unit Indoor Unit Figure 27 Single Zone Wiring 30K and Below From Power Supply Indoor Unit CommunicationTerminal Block L1 L2 Power Terminal Block 208 230V Outdoor Unit L1 L...

Страница 17: ...Output Remote Control Ceiling Floor Type CN21 M 5 5 VSWING INACTIVE CN24 M 5 SWING FAN FOR MODE CONFLICT SETTING DISPLAY BOARD 10 CN10A TO WIRED CONTROLLER 2 CN40 TO PRO GRA MMABL E WIR ED CON TRO LLE...

Страница 18: ...and regular wired controller use the same wiring connector Figure 31 MCFA036S4 P Unit Wiring Diagram CN5 Inductor CN8 CN18 CN7 T2B OUTER PIPE TEMP SENSOR T2 T1 CN6 4 BLACK WHITE RED RED VSWING INACTI...

Страница 19: ...OR TEMP SENSOR POW ER SUPPLY H PRO SV L PFC INDUCTOR COMPRESSOR DISCHARGE TEMP SENSOR RED BLACK V U CN19 CN51 CN55 W EXV BLACK DRIVER BOARD RED 7 7 YELLOW BLUE P 1 FM1 OUTDOOR DC FAN CN53 CN20 CN34 CN...

Страница 20: ...N17 CN39 CN18 HEAT_D HEAT_Y SV 4 WAY BLUE BLUE RED BLUE CN4 CN2 CN3 CN1 COMP U V W Y G DCFAN2 DCFAN1 5 5 CN6 CN5 CN8 CN15 CN9 CN14 7 5 CN6 CN3 L YELLOW YELLOW U V W BLUE BLACK RED Y G CN39 WHITE BLACK...

Страница 21: ...OARD C ODE PAR T NAME C OMP R E S S OR D HE AT1 C T1 AC CURRENT DETECTOR 4 WAY VALVE C OMP E XV E LE C TR IC E XPANS ION VALVE H P R O L P R O LOW P R E S S UR E S WIT CH HIG H P R E S S UR E S WIT CH...

Страница 22: ...RED BLACK V U CN19 CN51 CN55 W EEV BLACK DRIVER BOARD RED YELLOW BLUE P 1 FM1 OUTDOOR DC FAN FAN MOTOR CAPACITOR CN53 CN20 CN3 CN4 CN10 CN40 CN22 CN44 CN8 CN9 CN7 CN2 CN1 CN5 CN54 CN52 CN33 5 6 CN6 SV...

Страница 23: ...e Length feet meters Amount of Refrigerant to add 18 25 7 5 0 161 oz ft 15g m 24 25 7 5 0 322 oz ft 30g m 36 25 7 5 0 322 oz ft 30g m 48 25 7 5 0 322 oz ft 30g m Troubleshooting Table 7 Troubleshootin...

Страница 24: ...crements NOTE The blower is preset at a low speed and cannot be changed therefore it will get cold and most likely will over shoot the temperature setting by 6 10 F 3 5 C depending on the room size or...

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