Heatcraft Mac 7g Manual

Need help guys. I have an old mac unit no idea about the serial model ect the store was built in 85 I think. Multiple problems. The unit is blowing fusses. when comming out of defrost everything kicks on at the same time. both condensor fans,walkin compressor and freezer compressor. The freezer is a LAHA TYPE copeland (big horse). The walkin is a 1 1/2 horse copeland. When turning on the system it is pulling 50 amps yet there is a 30 amp disconnect. I am new to the field but what i do know on the john zink units and the york predator units is that when the power is shut of the blower comes on first then a delay then stage 1 with the condensor fans then a delay and stage 2. So should the mac six unit have one compressor both condessor fans then the second compressor come on two aleviate the 50 amp draw? Any help would be great. Ps the condensors and evap have been cleaned !!!!
  1. Heatcraft Refrigeration Manual
  2. Heatcraft Mac 7g Manual Pdf
  3. Heatcraft Mac 7g Manual 2017
  4. Heatcraft Mac 7g Manual Download
  5. Heatcraft Parts Manual
  6. Heatcraft Mac 7g Manual Free
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16

Cabinet Components

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Part #

Description

No. Fans

40480101 Drain Pan Air & Hot Gas Defrost

1

40480201 Drain Pan Air & Hot Gas Defrost

2

40480301 Drain Pan Air & Hot Gas Defrost

3

40480401 Drain Pan Air & Hot Gas Defrost

4

40480501 Drain Pan Air & Hot Gas Defrost

5

40480601 Drain Pan Air & Hot Gas Defrost

6

40480103 Drain Pan Electric Defrost

1

40480205 Drain Pan Electric Defrost

2

40480305 Drain Pan Electric Defrost

3

40480403 Drain Pan Electric Defrost

4

40480503 Drain Pan Electric Defrost

5

40480603 Drain Pan Electric Defrost

6

40880801 Access Panel - Elect.

1 - 6

40880701 Access Panel - Refrig.

1 - 6

40880901 Back Panel - Refrig.

1 - 6

40881001 Back Panel - Elect.

1 - 6

40881201 End Panel - Hot Gas Refrig.

1 - 6

Motor/Fan Blade/Fan Guards

Part #

Description

No. Fans

25300101 Motor 115/1/60 Shaded Pole

1 - 6

25300201 Motor 208-230/1/60 Shaded Pole

1 - 6

25309501 Motor 115/1/60/50 Totally Enclosed PSC/PSC

1 - 6

25309601 Motor 208-230/1/60/50 Totally Enclosed PSC

1 - 6

25309701 Motor 460/1/60/50 Totally Enclosed PSC

1 - 6

25309801 Motor 208-230/1/60/50 PSC

1 - 6

25308701 Motor 460/1/60/50 PSC

1 - 6

25317701 Motor 208-230/1/60 EC

1 - 6

25317801 Motor 115/1/60 EC

1 - 6

5140C

Fan Blade

1 - 6

37000701 Fan Guard - Molded

1 - 6

37000601 Fan Guard - Wire

1 - 6

Heatcraft Refrigeration Manual

23104901 Motor Mount used with 115 & 230V motors

1 - 6

23103301 Motor Mount used with 460V motors

1 - 6

Electric Defrost

Part #

Description

Voltage

No. Fans

Coil Heater

24752001

300 W

208-230/1/60

1

24752002

600 W

208-230/1/60

2

24752003

900 W

208-230/1/60

3

24752004

1200 W

208-230/1/60

4

24752005

1500 W

208-230/1/60

5

24752006

1800 W

208-230/1/60

6

Bottom Coil Heater

24752401

150 W

208-230/1/60

1

Heatcraft mac 7g manual free

24752402

300 W

208-230/1/60

2

24752403

450 W

208-230/1/60

3

24752404

600 W

208-230/1/60

4

24752405

750 W

208-230/1/60

5

24752406

900 W

208-230/1/60

6

Drain Pan Heater

24752501

150 W

208-230/1/60

1

24752502

300 W

208-230/1/60

2

24752503

450 W

208-230/1/60

3

24752504

600 W

208-230/1/60

4

24752505

750 W

208-230/1/60

5

24752506

900 W

208-230/1/60

6

Electrical Components

Part #

Description

No. Fans

22512601

Terminal Strip

1 - 6

5709L

Defrost Termination/Fan Delay

Heatcraft Mac 7g Manual Pdf

— Klixon type

Heatcraft Mac 7g Manual 2017

1 - 6

4267W

Defrost Termination/Fan Delay

— Adjustable type

1 - 6

2891040

Room Thermostat

1 - 6

5708L

Heater Safety — Klixon type

1 - 6

Drain Fittings

Part #

Description

No. Fans

26925101

Drain Fitting Kit

1 - 6

No. Fans

Air Defrost

6 FPI

Electric & Hot Gas Defrost

6 FPI

4 FPI

1

040-065

035-047

041

2

070-130

065-090

068-080

3

140-180

120-140

102

4

208

160-180

136

5

260

200

170

6

Manual

312-370

240-280

204-235

Hot Gas Defrost - Electric Drain Pan

Option Drain Pan Heater (1 per unit)

Part #

Description

Voltage

No. Fans

24752101

300 W

115/1/60

1

24752102

600 W

115/1/60

2

24752103

900 W

115/1/60

3

24752104

1200 W

115/1/60

4

24752105

1500 W

115/1/60

Heatcraft Mac 7g Manual Download

5

24752106

1800 W

115/1/60

6

24752201

300 W

208-230/1/60

1

24752202

600 W

208-230/1/60

2

24752203

900 W

208-230/1/60

3

24752204

1200 W

208-230/1/60

4

24752205

1500 W

Heatcraft Parts Manual

208-230/1/60

5

24752206

1800 W

208-230/1/60

6

24752301

300 W

460/1/60

1

24752302

600 W

460/1/60

2

24752303

900 W

460/1/60

3

24752304

1200 W

460/1/60

4

24752305

1500 W

460/1/60

5

24752306

1800 W

460/1/60

6

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Replacement Parts

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