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38MAR-04SI                                                                            Specifications subject to change without notice.                                                                                         

15

ELECTRICAL DATA

Table 10 — Electrical Data 

*Permissible limits of the voltage range at which the unit will operate satisfactorily.

LEGEND

FLA - Full Load Amps

MCA - Minimum Circuit Amps

MOCP - Maximum Over-Current Protection

RLA - Rated Load Amps

CONNECTION DIAGRAMS

Fig. 23 —Connection Diagrams

NOTES:

1. Do not use the thermostat wire for any connection between indoor and outdoor units.
2. All connections between the indoor and outdoor units must be made as shown in Figure 23. The connections are sensitive to polarity and will

result in a fault code.

MAR OUTDOOR UNIT SIZE

12K

9K

12K

18K

24K

30K

36K

Power Supply

Volts-PH-Hz

115-1-60

208/230-1-60 208/230-1-60 208/230-1-60 208/230-1-60 208/230-1-60 208/230-1-60

Max – Min* Oper. Voltage

126-104

253-187

253-187

253-187

253-187

253-187

253-187

MCA

15

9

9

18

20

20

25

Max  Fuse/  CB  AMP

20

15

15

25

30

30

35

Compressor

Volts-PH-Hz

115-1-60

208/230-1-60 208/230-1-60 208/230-1-60 208/230-1-60 208/230-1-60 208/230-1-60

RLA

9

5.25

5.65

12.3

14

15

17

Outdoor 

Fan Motor

Volts-PH-Hz

115-1-60

208/230-1-60 208/230-1-60 208/230-1-60 208/230-1-60 208/230-1-60 208/230-1-60

FLA

0.6

0.38

0.38

0.42

0.5

0.6

0.6

Rated HP

0.053

0.053

0.053

0.067

0.16

0.16

0.16

Output

40

40

40

50

120

120

120

3(S)

1(L) 2(N)

115-1-60

       Main 

Power Supply

115-1-60

1(L) 2(N)

3(S)

1(L) 2(N)

Power to 
Indoor Unit

CONNECTING CABLE
OUTDOOR TO INDOOR

GND

Ground

Indoor 
Signal
High
Voltage

115-1-60

           115-1-60
FIELD POWER SUPPLY

GND

Indoor 
Signal

High
Voltage

Indoor Unit
Power Supply

3(S)

1(L1)

208/230-1-60

       Main 

Power Supply

1(L1) 2(L2) 3(S) 1(L1) 2(L2)

CONNECTING CABLE
OUTDOOR TO INDOOR

Indoor Unit
Power Supply

208/230-1-60

Indoor 
Signal
High
Voltage

GND

Ground

Power to
Indoor Unit

Indoor 
Signal

High
Voltage

          208/230-1-60
FIELD POWER SUPPLY

GND

208/230-1-60

115V Indoor Unit

115V Outdoor Unit

230V Outdoor Unit

230V Indoor Unit

2(L2)

Summary of Contents for 38MA R Series

Page 1: ...4 CLEARANCES 7 INSTALLATION REQUIREMENTS 8 INSTALLATION 8 Step 1 Check Equipment 8 Step 2 Mount Unit 8 Step 3 Condensate Drain Installation 9 Step 4 Refrigerant Piping 10 Step 5 Evacuate Coil And Tubi...

Page 2: ...ER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies hazards which could result in personal injury or death CAUTION is used to identify unsafe...

Page 3: ...ries Fig 2 Outdoor Unit NOTE If the outdoor unit is higher than the indoor unit prevent rain from flowing into the indoor unit along the connection pipe by making a downward arc in the connection pipe...

Page 4: ...37 24 946 37 24 946 37 24 946 DEPTH D IN MM 13 11 333 13 11 333 13 11 333 14 17 360 16 14 410 16 14 410 16 14 410 L1 IN MM 20 24 514 20 24 514 20 24 514 21 26 540 26 50 673 26 50 673 26 50 673 L2 IN...

Page 5: ...ithout notice 5 DIMENSIONS CONT Fig 5 Size 18K 33 69 in 856mm 21 28 in 540mm 33 19 in 843mm 2 61 in 66mm 2 80 in 71mm 13 80 in 351mm 0 47 in 12mm 0 51 in 13mm 13 69 in 348mm 2 39 in 61mm 3 64 in 92mm...

Page 6: ...SI DIMENSIONS CONT Fig 6 Sizes 24K 30K and 36K 31 91 in 810mm 17 90 in 455mm 0 47 in 12mm 15 81 in 402mm 2 68 in 68mm 4 27 in 109mm 17 90 in 455mm 0 94 in 24mm 2 87 in 73mm 26 49 in 673mm 3 38 in 86mm...

Page 7: ...inlet Air outlet 59in 150cm or more when facing each other Blowing into the air inlet of other condenser shall be avoided 24in 60cm or more 59in 150cm or more on a multiple parallel unit arrangement 2...

Page 8: ...or details and PE Professional Engineer Certification if required For extreme outdoor conditions applications refer to the Cold ClimateApplication Guideline Ductless PRODUCT INSTALLATION Installation...

Page 9: ...NOTE Basepan built in with multiple holes for proper draining during defrost For applications where it is required to seal these holes and re direct the condensate drain rubber plugs are available th...

Page 10: ...25 7 5 25 7 5 25 7 5 25 7 5 25 7 5 Max Outdoor indoor height difference Ft m 32 10 32 10 32 10 65 20 65 20 82 25 82 25 Max Piping Length with no additional refrigerant charge Ft m 26 8 26 8 26 8 26 8...

Page 11: ...tial to achieving an airtight seal a After removing the burrs from the cut pipe seal the ends with PVC tape to prevent foreign materials from entering the pipe b Sheath the pipe with insulating materi...

Page 12: ...ng including the outdoor unit valves NOTE DO NOT open the service valves until pressure test is complete 7 Pressure Test Piping NOTE Use refrigeration gauges that are pressure rated for R410a refriger...

Page 13: ...the most positive way of assuring a system is free of air and moisture see Figure 20 Fig 20 Deep Vacuum Graph Triple Evacuation Method The triple evacuation method should be used when vacuum pump is...

Page 14: ...Conventional or Multi Family Fan Coils requires separate power for the indoor and outdoor units A 24V interface kit is required for compatibility Refer to the 24V Interface Kit Installation Manual EQU...

Page 15: ...7 MCA 15 9 9 18 20 20 25 Max Fuse CB AMP 20 15 15 25 30 30 35 Compressor Volts PH Hz 115 1 60 208 230 1 60 208 230 1 60 208 230 1 60 208 230 1 60 208 230 1 60 208 230 1 60 RLA 9 5 25 5 65 12 3 14 15 1...

Page 16: ...n this equipment Maintenance frequency may vary depending upon geographic areas TROUBLESHOOTING For ease of service the systems are equipped with diagnostic code display LEDs on both the indoor and ou...

Page 17: ...units F0 Protection of over current F1 Open circuit or short circuit of outdoor ambient temperature sensor T4 F2 Open circuit or short circuit of condenser coil temperature sensor T3 F3 Open circuit o...

Page 18: ...t indoor unit verified YES ______ NO ______ REMARKS _______________________________________________________________________________________________________ ____________________________________________...

Page 19: ...r Codes Were there any error codes present at start up YES ______ NO ______ Comments __________________________________________________________________________________________________________________...

Page 20: ...wood Parkway Atlanta GA 30339 Edition Date 06 20 Catalog No 38MAR 04SI Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurri...

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