York MA - Page 10

253462-BTG-N-1010
10 Johnson Controls Unitary Products
ELECTRICAL DATA (For Multi Source Power Supply) - Copper Wire 208/230-3-60
MA
Models
Heater
Model
Minimum Circuit Ampacity
Max OCP
1
Amps/Type
1. OCP = Over Current Protection device, must be HACR type Circuit Breaker or Time Delay fuse.
75°C Wire Size - AWG
Circuit
1st 2nd 3rd 1st 2nd 3rd 1st 2nd 3rd
208/240 208/240 208/240 208/240 208/240 208/240 208/240 208/240 208/240
MA20DN2
4HK16501825 31.1/35.1 22.4/25.9 – 35/40 25/30 – 8/8 10/10 –
4HK16502525 40.0/45.4 31.3/36.1 – 40/50 35/40 – 8/8 8/8 –
KW & MBH Conversions
FOR
208-VOLT
OPERATION MULTIPLY
240-VOLT
TABULATED KW & MBH BY
.751
230-VOLT 240-VOLT .918
220-VOLT 240-VOLT .840
ELECTRICAL DATA - Cooling Only (60 Hz) - 208/230 - (Copper Wire)
Models
MA
Total Motor Amps Minimum Circuit Ampacity
Max. O.C.P.
1
Amps/Type
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
208V230V208V230V
MA08BN21 1.4 1.5 1.8 1.9 15 14
MA12BN21 2.1 3.5 2.6 3.0 15 14
MA14DN21 3.3 2.4 4.1 4.4 15 14
MA16CN21 3.6 4.0 4.5 5.0 15 14
MA20DN21 4.8 7.4 6.0 6.5 15 14
ELECTRICAL DATA - Cooling Only (60 Hz)- 115 - (Copper Wire)
Models
MA
Total Motor Amps Minimum Circuit Ampacity
Max. O.C.P.
1
Amps/Type
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
115V 115V
MA12BN11 9.8 12.3 15 14
MA16CN11 11.4 14.0 15 14
MA20DN11 11.2 14.3 15 14
ELECTRICAL DATA - Cooling Only (60 Hz) - 460 - (Copper Wire)
Models
MA
Total Motor Amps Minimum Circuit Ampacity
Max. O.C.P.
1
Amps/Type
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
MA12BN41 2.3 3.5 15 14
MA16CN41 2.6 3.9 15 14
MA20DN41 3.7 5.6 15 14
APPLICATION FACTORS - Rated CFM vs. Actual CFM
% OF RATED AIR FLOW 80% 90% RATED CFM 110% 120%
CAPACITY FACTOR 0.96 0.98 1.00 1.02 1.03