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Typical System Components

Indoor Unit

Wired Remote

Control

Filter

Indoor unit wiring connections

(under access plate)

Return Air

Supply Air

Opening

Outdoor Unit

009-036 shown

Utility

Bundle

208/230V Outdoor Unit

Terminal Block

To Indoor

Unit

To Power

Supply

Access cover

for valves

IMPORTANT - 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.

UV-rated tape (field-provided)

Wiring

Condensate drain line

(wrapped in foam insulation)

Refrigerant Line Set, Condensate Line

And Indoor / Outdoor Cable

(field-provided)

Tape

Line set

(wrapped in foam insulation)

Communication cable

036 and 048 only

TO INDOOR COMM. BUS

XT2

G
Y

NOTE

shielded wire

Use 2-conductor

Communication Cable

036 and 048 only

1 2 3 L1 L2

Condensate drain

from indoor unit

Liquid and vapor shut off valves

MPORTANT - Condensate drain line must always

be located at the bottom of the

bundle.)

Figure 1. Typical System Shown

Содержание MLA009S4S-*P

Страница 1: ... jurisdiction should be consulted before installation The MMDA Medium Static Ducted indoor units are matched with an outdoor heat pump unit to create a mini split system that uses HFC 410A refrigerant MLA MPA MPB and MMDA Series SINGLE ZONE MINI SPLIT SYSTEMS 208 230V Medium Ducted Indoor Unit 507547 06 1 2018 Supersedes 12 2017 Table of Contents General 1 Included Parts 2 Indoor Outdoor Unit Matc...

Страница 2: ...gure Quantity Parts Figure Quantity Drain connector 1 Seal ring 1 Indoor Outdoor Unit Match Ups Outdoor Unit Indoor Unit Voltage MPA009S4S P or MPB009S4S P MMDA009S4 P 208 230V MPA012S4S P or MPB012S4S P MMDA012S4 P 208 230V MPA018S4S P or MPB018S4S P MMDA018S4 P 208 230V MPA024S4S P or MPB024S4S P MMDA024S4 P 208 230V MPA036S4S P or MPB036S4S P MMDA036S4 P 208 230V MPA048S4S P or MPB048S4S P MMDA...

Страница 3: ...Cooling Capacity 009 0 75 tons 012 1 tons 018 1 5 tons 024 2 tons 036 3 tons 048 4 tons Unit Type L Low Ambient Heat Pump P Heat Pump M MD A 012 S 4 1 P Unit Type MD Medium Static Ducted Unit Series Type M Mini Split Voltage P 208 230V 1 phase 60hz MEDIUM STATIC DUCTED INDOOR UNITS Cooling Efficiency S Standard Efficiency Major Design Sequence A 1st Generation B 2nd Generation Refrigerant Type 4 H...

Страница 4: ...the refrigerant 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 field provided Tape Line set wrapped in foam insulation Communication cable 036 and 048 only TO INDOOR COMM BUS XT2 L L E Y W O A R G Y S1 S2 NOTEφ shielded wire Use 2 conductor Communication Cable ...

Страница 5: ... 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 4 27 5 8 14 1 4 13 3 4 mm 914 540 702 362 349 MPB024S4S P MPB036S4S P inches 37 1 4 26 1 2 31 7 8 16 3 8 15 7 8 mm 1032 673 810 416 403 MPB048S4S P inches 41 1 8 25 52 1 2 16 3 8 15 7 8 mm 1045 635 1334 416 403 MLA009S4S P MLA012S4S P inches ...

Страница 6: ...791 2 5 8 67 19 1 2 495 1 3 8 35 018 36 1 4 921 8 1 4 210 25 635 22 1 2 572 39 3 4 1010 2 5 8 67 28 711 1 3 8 35 024 36 1 4 921 10 5 8 270 25 635 22 1 2 572 39 3 4 1010 2 5 8 67 28 711 1 3 8 35 036 44 7 8 1140 10 5 8 270 30 1 2 775 28 711 48 1 2 1232 2 5 8 67 36 3 4 933 1 3 8 35 048 47 1 4 1200 11 7 8 302 34 1 8 867 31 1 2 800 50 3 4 1289 3 1 8 79 38 1 8 968 1 1 2 38 Size J K L M N P in mm in mm i...

Страница 7: ... no obstructions on the other three sides Figure 4 Outdoor Unit Clearances Inches mm Indoor Unit 20 508 mm Minimum Service Clearance 24 610 mm Air Flow 24 610 mm Minimum Service Clearance TOP VIEW DUCTED UNIT FRONT VIEW 1 25 mm Minimum Clearance Ceiling Wall Wall 1 25 mm Minimum Clearance Ceiling Suspended Minimum Service Clearance Figure 5 Indoor Unit Clearances Inches mm ...

Страница 8: ...is not exposed to direct sunlight Ensure the structural ceiling can support the weight of the unit Select a location where condensate line will have the shortest run to a suitable drain per local codes Allow sufficient space around unit for proper operation and maintenance Install unit a minimum of 3 feet 1m away from any antenna power cord line radio telephone security system or intercom Electric...

Страница 9: ...HER Figure 8 Isolation Grommet NOTE No part of the suspended ceiling or other supports not directly associated with the indoor unit installation can be fixed to or touch the indoor unit in any form Minimum clearances must be observed at all times Installation Guidelines Provide separate support for the weight of the duct system Duct system must not be supported by the indoor unit Use flexible join...

Страница 10: ... cases drain should be as short as possible and should not have any droops or kinks that would restrict condensate flow and shall be constructed using an approved pipe There must be a 2 inch 51 mm space between the end of the condensate drain and the final termination point ground open drain etc to ensure that the line will drain freely IMPORTANT Drain should have a slope of at least inch per foot...

Страница 11: ...es may affect operation Since water drains from the outdoor unit during vari ous stages of operation do not place anything which may be damaged by moisture under the unit Direct Sunlight Rain Snow and Ice Protection If the outdoor unit is subjected to prolong exposure to direct sunlight with temperatures over 100 F 38 C a canopy is recommended as illustrated in Figure 15 Outdoor Unit on Pedestal S...

Страница 12: ...a minimum 79 inches 2007 mm from the front of the unit as illustrated in Figure 19 Wind Barrier Outdoor unit can be installed in a dog house style shelter as illustrated in Figure 20 Dog House Style Shelter Outdoor unit can be installed in a alcove or under a roof overhang as illustrated in Figure 21 Unit installed in Alcove 12 305mm Min Distance Wind Barrier Inlet Air Prevailing Winter Winds from...

Страница 13: ...ld cause leaks Protect the roof surface 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 outdoor unit is installed on a field provided slab or frame use lag bolts or equivalent to secure the outdoor unit to the slab or frame Four Field provided Anchor Bol...

Страница 14: ...field provided refrigerant piping before using a suitable flaring tool to flare the end of the copper pipe 14 Apply recommended HFC 410A refrigerant lubricant to the outside of the flared refrigerant lines IMPORTANT The compressor in this unit contains PVE oil Polyvinyl ether PVE oil is formulated for hydrofluorocarbon HFC refrigerants such as HFC 410A which this system contains While it may have ...

Страница 15: ...et Length Maximum Elevation Outdooor Unit BELOW Indoor Unit Maximum Elevation Outdooor Unit ABOVE Indoor Unit Minimum Line Set Length 10 ft 3m Minimum Line Set Length 10 ft 3m Outside Unit BELOW Indoor Unit Outside Unit ABOVE Indoor Unit Do not allow for excess length of line sets to be left rolled up as part of the required distance or in general This will also cause additional performance issues...

Страница 16: ...allowing nitrogen into the port connections liquid and gas line pipes until a positive pressure is achieved 3 Evacuate the system to a reading of 5000 Microns 5 Torr 4 Break the vacuum by allowing nitrogen into the port connections liquid and gas line pipes until a positive pressure is achieved 5 Evacuate the system to a minimum reading of 500 Microns 0 5 Torr 6 For a moisture free system ensure t...

Страница 17: ...ANT All diagrams Figure 30 through Figure 43 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 28 Single Zone Wiring 24K and Below From Power Supply Indoor Unit CommunicationTerminal Block L1 L2 Power Terminal Block 208 230...

Страница 18: ...utdoor Wiring Communication Power 1 2 3 and GND 24K 208 230VAC 4 Stranded and unshielded 16AWG Outdoor to Main Power L1 L2 and GND 24K 208 230VAC 3 Stranded and unshielded 12AWG 20A Indoor to Outdoor Wiring Power only L1 L2 and GND 36K 208 230VAC 3 Stranded and unshielded 16AWG Indoor to Outdoor Wiring Communication only S1 S2 and GND 36K 208 230VAC 3 Stranded and shielded 24AWG Outdoor to Main Po...

Страница 19: ...IN DASH LINE IS OPTIONAL OR FIELD WIRING Figure 30 MMDA009S4 P MMDA012S4 P MMDA018S4 P Ducted Units Wiring Diagram T2 T1 CN6 4 INDOOR COIL TEMP SENSOR ROOM TEMP SENSOR BLACK WHITE INDOOR UNIT MAIN BOARD CN2 3 ON OFF Remote Control CN3 3 ALA RM Alarm Output RED C N 2 C N 1 BLACK 1 2 Y G 3 C N 4 1 YELLOW CN 8 CN 18 RE D DISPLAY BOARD TO WIRED CONTROLLER 10 CN10 5 CN13 M PUMP 2 Y G CN3 CN9 E Y X To L...

Страница 20: ...MDA036S4 P MMDA048SA P Ducted Units Wiring Diagram BLUE CN2 BROWN CN16 CN1 CN26 DC FAN CN29 REACTOR CN9 1 CN32 1 OUTD OOR COIL TEMP S ENSOR CN7 COMPRESSOR DISCHARGE TEMP SENSOR CN27 YELLOW 4 WAY VALVE WHITE COMPRESSOR BLUE RED BLACK CN28 CN30 WHITE 3 2 L2 RED BLUE Y G 1 Y G Y G CN3 6 CN31 CN21 CN22 3 PAN HEATER CN33 CRANKCASE HEATER OUTDOOR TEMP SENSOR Figure 33 208 230V MPA009S4S P and MPA012S4S ...

Страница 21: ...OUTDOOR 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 COMPRESSORDISCHARGE TEMP SENSOR BLACK RED L OUT 2 Y G RED BLACK CN10 S YELLOW Y G CRANK CASE HEATER PAN HEATER Compressor Control Board Figure 35 208 230V MPA024S4S P Outdoor Unit Wiring Diagram ...

Страница 22: ...S 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 OUTDOOR TEMP SENSOR DIODE MODULE SV L PFC INDUCTOR TH HEATSINK TEMP SENSOR T5 DISCHARGE TEMP SENSOR MAIN BOARD OUTDOOR DC FAN CN15 A ELECTRONIC EXPANSION VALVE A CN8 T5 0 1 N C RED YELLOW L PRO H PRO 9...

Страница 23: ...G 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 230V MPB009S4S P and MPB012S4S P Outdoor Unit Wiring Diagram T4 T3 T5 COMPRESSOR Figure 39 208 230V MPB018S4S P and MPB024S4S P Outdoor Unit Wiring Diagram ...

Страница 24: ...ISCHARGE 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 N 1 CN5 CN54 CN52 CN33 5 CN6 SV 4 WAY VALVE BLUE BLUE HEAT2 HEAT1 BLACK RED BLUE BLUE BLUE YELLOW RED BLACK RED BLACK TO INDOOR COMM BUS XT 2 YE LLOW GR AY S1 S2 XT 1 L1 L2 L1 L2 2 1 RED BLACK MAIN ...

Страница 25: ...9 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 FM1 Y G Y G DC MOT OR DR IVER B OARD CON1 FAN1 CN1 FAN2 3 3 P6 2 CN6 CN3 Y G BLACK TO INDOOR COMM BUS XT 2 YE LLOW GR AY S1 S2 NOTE PLEASE USE 2 CORE SHIELDED WIRE L2 L1 MAIN P OW E R S UP P LY XT1 T...

Страница 26: ...tem 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 tighten to the value listed in Table 4 Flare Nut Torque Recommendations and Tightening Procedure on page 15 6 Check voltage supply at the outdoor unit terminal strip The voltage must be within the range listed on the unit ...

Страница 27: ...unctions one at a time COOL Select lowest possible temperature HEAT Select highest possible temperature 4 Let each function run for 5 minutes and perform the following 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 connection points do not leak Water...

Страница 28: ...28 ...

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