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Lennox M22A009S4-1P, Installation Instructions Manual

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Lennox M22A009S4-1P Installation Instructions Manual Download Page 8

8

BOTTOM VIEW (Body)

RIGHT SIDE VIEW

DRAIN

CONNECTION

LIQUID

PIPE

GAS

PIPE

26-3/4 (679)

30-3/4

(781)

A

33-1/8 (841)

33-1/8

(841)

SIDE VIEW

37-3/8 (949)

37-3/8

(949)

BOTTOM VIEW (Panel)

DIFFUSER

PANEL

AIR

OUTLET

AIR

OUTLET

AIR

INLET

LEFT SIDE VIEW

Fresh Air Intake

(NOTE - Not Used)

Size

A

in.

mm

024

8-1/8

206

036

9-5/8

244

048

11-1/4

286

Figure 3.  M33A and M33B Indoor Cassette Unit Dimensions - inches (mm)

Summary of Contents for M22A009S4-1P

Page 1: ...supersede local or national codes in any way Authorities having jurisdiction should be consulted before installation The M22A M33A and M33B ceiling cassette indoor units are matched with an outdoor h...

Page 2: ...Parts Figure Quantity Parts Figure Quantity M0STAT60Q 1 Wireless controller 1 Installation and owner s manual 1 ea Wireless control holder with 2 mounting screws 1 Paper template for installation 1 B...

Page 3: ...024 2 tons 036 3 tons 048 4 tons Refrigerant Type 4 HFC 410A Minor Design Sequence 1 1st Revision 2 2nd Revision M P A 009 S 4 S 1 P Series Type M Mini Split OUTDOOR HEAT PUMP UNITS Cooling Efficienc...

Page 4: ...0V MPA036S4S P M33A036S4 P 208 230V MPA048S4S P M33A048S4 P 208 230V MPB009S4S P M22A009S4 P 208 230V MPB012S4S P M22A012S4 P 208 230V MPB018S4S P M22A018S4 P 208 230V MPB024S4S P M33A024S4 P 208 230V...

Page 5: ...RTANT The refrigerant metering device for this system is located in the outdoor unit This makes it necessary to insulate the refrigerant lines individually to prevent sweating 1 2 3 L1 L2 UV rated tap...

Page 6: ...3 635 1365 391 406 MPB009S4S P inches 33 1 8 19 1 8 21 7 8 11 7 8 11 3 4 mm 842 486 556 302 298 MPB012S4S P inches 34 1 4 20 1 4 21 7 8 13 1 8 13 3 8 mm 870 514 556 333 340 MPB018S4S P inches 36 21 1...

Page 7: ...2 572 21 1 2 546 20 5 8 524 22 1 2 572 10 3 8 264 23 5 8 600 Ceiling Opening INSTALLATION HANGERS LEVELING ADJUSTMENT NUT 4 CEILING DIFFUSER PANEL AIR OUTLET AIR OUTLET AIR INLET SIDE VIEW BOTTOM VIEW...

Page 8: ...781 A 33 1 8 841 33 1 8 841 SIDE VIEW 37 3 8 949 37 3 8 949 BOTTOM VIEW Panel DIFFUSER PANEL AIR OUTLET AIR OUTLET AIR INLET LEFT SIDE VIEW Fresh Air Intake NOTE Not Used Size A in mm 024 8 1 8 206 03...

Page 9: ...r Unit Clearances inches mm Indoor Unit 23 5 8 600 Ceiling Opening INSTALLATION HANGERS LEVELING ADJUSTMENT NUT 4 CEILING DIFFUSER PANEL AIR OUTLET AIR OUTLET AIR INLET 36 914 mm 36 914 mm 36 914 mm 3...

Page 10: ...curity system or intercom Electrical interference and radio frequencies from any of these sources may affect op eration Be sure to instruct customers how to properly operate the unit especially mainte...

Page 11: ...sher from failing off Position the nuts slightly above the final resting place of the four suspension brackets ANGLE IRON BOLTED IN PLACE ACROSS WOODEN JOISTS WOODEN JOIST THREADED ROD ANGLE IRON ACRO...

Page 12: ...e 8 Connect the black two pin plug from the temperature sensor to the corresponding black plug from the control box in the cassette base 9 Tighten the provided screws in the bracket in the cover panel...

Page 13: ...uld be approved corrosion resistant pipe You must confirm operation of every drain and pump in the system as part of the commissioning procedure Drain Plug Drain Pan Cassette Base Pour water here for...

Page 14: ...F 50 C to protect the electronics If the outdoor unit is placed in direct sunlight it is possible that the limit may activate and shut down the unit Place unit away from overhanging roof lines which...

Page 15: ...ed in Alcove 12 305mm Min Distance Wind Barrier Inlet Air Prevailing Winter Winds from Air Inlet Side Discharge Air Wind Barrier Prevailing Winter Winds From Air Discharge Side 79 2007mm Min Distance...

Page 16: ...face to avoid exposure to refrigerant and oil during service and installation Failure to follow this notice could result in damage to roof surface Securing Outdoor Unit to Slab Frame or Rails If the o...

Page 17: ...POE oil Polyolester it is not recommended to mix PVE oil with any other type of refrigerant oil 7 Align the threaded connections with the flared refrigerant lines Tighten the flare nuts lightly at fi...

Page 18: ...rrent rises Cooling or heating efficiency drops Moisture in the refrigerant circuit may freeze Water may lead to corrosion of parts in the refrigera tion system The line set between the indoor and out...

Page 19: ...ause communication errors between indoor and outdoor units In the U S A wiring must conform with current local codes and the current National Electric Code NEC In Canada wiring must conform with curre...

Page 20: ...0 A M PU MP 2 INDOOR UNIT MAINBOARD TO WIRED CONTROLLER 5 CN23 ON OFF Remote Control CN3 3 ALA RM Alarm Output CN1 5 M Motor 5 R E D B R O W N CN1 B L U E B L A C K CN5 WATER LEVEL SWITCH E Y X To LVM...

Page 21: ...jumper for remote on off control TO PROGRAMMABLE WIRED CONTROLLER 2 CN40 4 Note The programmable wired controller and regular wired controller use the same wiring connector 2 COMPONENT IN DASH LINE I...

Page 22: ...UTDOOR MAIN PCB BLUE BLACK RED CN13 CN12 L OUT CN18 4 WAY VALVE CN414 BLUE BLUE U V W Y G CN6 1 Y G RED BLUE 3 CN14 CN15 CRANKCASE HEATER Figure 34 208 230V MPA018S4S P Outdoor Unit Wiring Diagram COM...

Page 23: ...P Outdoor Unit Wiring Diagram CODE PART NAME COMPRESSOR D CT1 AC CURRENT DETECTOR 4 WAY VALVE COMP DCFAN1 DCFAN2 H PRO L PRO LOW PRESSURE SWITCH HIGH PRESSURE SWITCH T3 T4 OUTDOOR COIL TEMP SENSOR OU...

Page 24: ...COMPRESSOR Y G CN 50 3 U V W BLUE RED BLACK EXV OUTDOOR MAIN PCB OUTDOOR TE MP S E NS OR COMPR E S S OR DIS CHAR GE TE MP S E NS OR OUTDOOR C OIL TEMP SENSOR RED BLACK WHTIE T5 T4 T3 Figure 38 208 23...

Page 25: ...SCHARGE TEMP ERA TURE SENS OR RED BLA CK V U C N 19 CN51 C N 55 W EXV BLACK DRIVER BOARD RED 7 7 YELLOW BLUE P 1 FM1 OUTDOOR DC FAN CN53 CN20 CN34 CN3 CN4 CN10 CN40 CN22 CN44 C N 8 C N 9 C N 7 C N 2 C...

Page 26: ...CN20 CN24 CN25 CN17 FAN1 CN18 HEAT1 HEAT2 SV 4 WAY VALVE BLUE RED BLUE CN4 CN2 CN3 CN1 CO MP U V W Y G CN6 CN9 10 3 CN1 CN2 L YELLOW YELLOW U V W BLUE BLACK RED RED WIHTE BLACK RED BLACK CH1 CT1 FM2...

Page 27: ...alves and while system is still under a vacuum 4 Open the liquid and gas line service valves to release the refrigerant charge contained in outdoor unit into the system 5 Replace the stem caps and tig...

Page 28: ...checks Table 8 Test Run Checklist Checks Pass Fail No electrical leakage Unit is properly grounded All electrical terminals properly covered Indoor and outdoor units are solidly installed All pipe con...

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