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IM 926-3 • ROOFPAK APPLIED SYSTEMS 52 www.DaikinApplied.com
Electrical Installation
Table 19: Multiple Point Power Connection Options
Number of electrical circuits
Disconnect designation
Load
Location (see Figure 3 on page 4)
2
DS2
Supply and return fan motors plus controls
Main control panel
DS1
Balance of unit
Main control panel
2
DS3
Electric heat
Electric heat control panel
DS1
Balance of unit
Main control panel
3
DS3
Electric heat
Electric heat control panel
DS2
Supply and return fan motors plus controls
Main control panel
DS1
Balance of unit
Main control panel
Table 20: Recommended 3-Phase Power Wiring to Ensure Disconnects and Power Blocks Mate with Power Wiring
Wire gauge
Qty ./pole
Insulation rating (°C)
No . of conduits
Conduit (trade size, in .)
For MCA up to (amps)
10
1
75
1
1/2
35
8
1
75
1
3/4
50
6
1
75
1
1
65
4
1
75
1
1-1/4
85
3
1
75
1
1-1/4
100
2
1
75
1
1-1/4
115
1
1
75
1
1-1/4
130
1/0
1
75
1
1-1/2
150
2/0
1
75
1
2
175
3/0
1
75
1
2
200
4/0
1
75
1
2
230
250
1
75
1
2-1/2
255
300
1
75
1
2-1/2
285
350
1
75
1
3
310
400
1
75
1
3
335
500
1
75
1
3
380
3/0
2
75
2
2
400
4/0
2
75
2
2
460
250
2
75
2
2-1/2
510
300
2
75
2
2-1/2
570
350
2
75
2
3
620
400
2
75
2
3
670
500
2
75
2
3
760
250
3
75
3
2-1/2
765
300
3
75
3
2-1/2
855
350
3
75
3
3
930
1. All wire sizes assume separate conduit for each set of parallel conductors.
2. All wire sizes based on NEC Table 310-16 for 75°C THW wire (copper). Canadian electrical code wire ampacities may vary.
3. All wire sizes assume no voltage drop for short power leads.
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