628767-YTG-C-0910
Johnson Controls Unitary Products
15
Air Handling Unit and Hot Water Coil Accessory Heating Capacity
ND360 / 1HW0406, ND480 & ND600 / 1HW0407
1
1
These capacities do not include any blower motor heat.
NOTE: Temperature Water Drop (ºF) = (2 X MBH) / GPM.
UNIT
MODEL
HOT WATER
COIL MODEL
GPM
CFM
CAPACITY (MBH)
ENTERING WATER TEMPERATURE MINUS ENTRY AIR TEMPERATURE °F.
70
90
110
130
150
ND360
1HW0406
50
8,000
236
304
372
440
508
10,000
265
341
416
492
568
12,000
291
374
457
540
623
14,000
315
405
495
585
675
ND480
1HW0407
75
12,800
348
447
547
646
746
16,000
389
500
611
722
833
19,200
425
547
668
790
911
ND600
75
16,000
389
500
611
722
833
20,000
436
561
686
810
935
24,000
473
610
746
882
1,019
Hot Water Coil Capacity Correction And Pressure Drop Vs GPM
1
1
For pressure drop in feet (water), multiply these values by 2.31.
HOT WATER COIL MODEL
GPM
PRESSURE DROP
PSI
CAPACITY CORRECTION
FACTOR
1HW0406
25
0.4
0.79
50
1.0
1.00
75
1.8
1.04
100
3.4
1.07
1HW0407
50
1.0
0.95
75
1.5
1.00
100
2.4
1.03
125
3.5
1.05
