819682-UIM-A-0212
Johnson Controls Unitary Products 9
SECTION IX: UNIT DATA
* May be 0 (no breaker) or 1 (with breaker).
TABLE 7:
Physical and Electrical Data - Cooling Only (60 Hz)
Models MX12BN21 MX12DN21 MX16CN21 MX20DN21
Blower - Diameter x Width 10 x 9 10 x 10 10 x 10 10 x 10
Motor
HP 1/31/31/23/4
Nominal RPM 1050 1050 1050 1050
Voltage 230
Amps Full Load (230) 2.8 2.8 4.1 6.0
Permanent Filter
1
Type DISPOSABLE OR PERMANENT
Size 16 x 20 x1 24 x 20 x 1 20 x 20 x 1 24 x 20 x1
Filter Bulk Pack 1PF0601BK 1PF0604BK 1PF0602BK 1PF0604BK
Shipping / Operating Weight (lbs.) 70 / 66 83 / 77 83 / 77 89 / 83
1. Field Supplied.
TABLE 8:
Electrical Data - Cooling Only (60 Hz)
Models
Total Motor Amps Minimum Circuit Ampacity
Max. O.C.P.
Amps/Type
1
1. OCP = Over Current Protection device, must be HACR type Circuit Breaker or Time Delay fuse.
Minimum Wire
Size A.W.G.
60 Hertz 60 Hertz
208V 230V 208V 230V
12B 2.8 2.8 3.5 3.5 15 14
12D 2.8 2.8 3.5 3.5 15 14
16C 4.1 4.1 5.2 5.2 15 14
20D 6.0 6.0 7.5 7.5 15 14
TABLE 9:
Conversion Table
kW & MBH Conversions - for Total Power Input Requirement
FOR
208V
OPERATION MULTIPLY
240V
TABULATED kW & MBH BY
.751
230V 240V .918
TABLE 10:
Electrical Data - 1 Ø - 208/230-1-60
Models
Heater
Models*
Max.
Static
Min.
Speed Tap
Total Heat
1
kW Staging
kW MBH W1 Only W2 Only W1 & W2
208v 230v 208v 230v 208v 230v 208v 230v 208v 230v
MX12B
4HK*6500506 0.5 Med/#3 3.6 4.8 12.3 16.4 3.6 4.8 3.6 4.8 3.6 4.8
4HK*6500806 0.5 Med/#3 5.6 7.5 19.2 25.6 2.8 3.75 5.6 7.5 5.6 7.5
4HK*6501006 0.5 Med/#3 7.2 9.6 24.6 32.8 3.6 4.8 7.2 9.6 7.2 9.6
4HK16501306 0.5 Med/#3 9.8 13 33.3 44.4 3.3 4.3 6.5 8.6 9.8 13
4HK165N1506 0.5 Med/#3 10.8 14.4 36.9 49.1 3.6 4.8 7.2 9.6 10.8 14.4
MX12D
4HK*6500506 0.5 Med/#3 3.6 4.8 12.3 16.4 3.6 4.8 3.6 4.8 3.6 4.8
4HK*6500806 0.5 Med/#3 5.6 7.5 19.2 25.6 2.8 3.75 5.6 7.5 5.6 7.5
4HK*6501006 0.5 MedHi/#2 7.2 9.6 24.6 32.8 3.6 4.8 7.2 9.6 7.2 9.6
4HK16501306 0.5 MedHi/#2 9.8 13 33.3 44.4 3.3 4.3 6.5 8.6 9.8 13
4HK16501506 0.5 MedHi/#2 10.8 14.4 36.9 49.1 3.6 4.8 7.2 9.6 10.8 14.4
4HK16501806 0.5 MedHi/#2 13.2 17.6 45.1 60.1 3.3 4.4 6.6 8.8 13.2 17.6
4HK16502006 0.5 MedHi/#2 14.4 19.2 49.2 65.5 3.6 4.8 7.2 9.6 14.4 19.2
MX16C
4HK*6500506 0.5 Lo/#5 3.6 4.8 12.3 16.4 3.6 4.8 3.6 4.8 3.6 4.8
4HK*6500806 0.5 Lo/#5 5.6 7.5 19.2 25.6 2.8 3.75 5.6 7.5 5.6 7.5
4HK*6501006 0.5 MedLo/#4 7.2 9.6 24.6 32.8 3.6 4.8 7.2 9.6 7.2 9.6
4HK16501306 0.5 MedLo/#4 9.8 13 33.3 44.4 3.3 4.3 6.5 8.6 9.8 13
4HK16501506 0.5 MedLo/#4 10.8 14.4 36.9 49.1 3.6 4.8 7.2 9.6 10.8 14.4
4HK16501806 0.5 Med/#3 13.2 17.6 45.1 60.1 3.3 4.4 6.6 8.8 13.2 17.6
4HK16502006 0.5 Med/#3 14.4 19.2 49.2 65.5 3.6 4.8 7.2 9.6 14.4 19.2
MX20D
4HK*6500806 0.5 Lo/#5 5.6 7.5 19.2 25.6 2.8 3.75 5.6 7.5 5.6 7.5
4HK*6501006 0.5 Lo/#5 7.2 9.6 24.6 32.8 3.6 4.8 7.2 9.6 7.2 9.6
4HK16501306 0.5 Lo/#5 9.8 13 33.3 44.4 3.3 4.3 6.5 8.6 9.8 13
4HK16501506 0.5 Lo/#5 10.8 14.4 36.9 49.1 3.6 4.8 7.2 9.6 10.8 14.4
4HK16501806 0.5 Lo/#5 13.2 17.6 45.1 60.1 3.3 4.4 6.6 8.8 13.2 17.6
4HK16502006 0.5 Lo/#5 14.4 19.2 49.2 65.5 3.6 4.8 7.2 9.6 14.4 19.2
4HK16502506 0.5 Lo/#5 18 24 61.5 81.9 3.6 4.8 10.8 14.4 18 24
1. See conversion Table 10.
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