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 !!!!
- Heatcraft Refrigeration Manual
- Heatcraft Mac 7g Manual Pdf
- Heatcraft Mac 7g Manual 2017
- Heatcraft Mac 7g Manual Download
- Heatcraft Parts Manual
- Heatcraft Mac 7g Manual Free
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
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
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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