
Johnson Controls Unitary Products
9
5006167-YTG-F-0517
ELECTRICAL DATA FOR MULTI-SOURCE POWER SUPPLY: 208/230-3-60
Air Handler
Models
Heater
Models
1
Heater
Amps
@240V
Min. Circuit Ampacity
MOP.
2
208V
230V
208V
230V
Circuit
Circuit
1st
2nd
1st
3
2nd
1st
3
2nd
1st
3
2nd
MP12B
6HK46502025
46.2
28.3
25.0
30.9
27.6
30
25
35
30
MP14D
6HK46502025
46.2
28.5
25.0
31.1
27.6
30
25
35
30
MP16C
6HK46502025
46.2
28.6
25.0
31.3
27.6
30
25
35
30
MP20D
6HK46502025
46.2
30.1
25.0
32.8
27.6
35
25
35
30
1. The 20kW heater model (6HK46502025) come with service disconnects standard.
2. MOP = Maximum Overcurrent Protection device; must be HACR type circuit breaker or time delay fuse. The 1st circuit includes blower motor amps.
Refer to the latest edition of the National Electric Code or in Canada the Canadian electrical Code and local codes to determine correct wire sizing.
kW & MBH CONVERSIONS - FOR TOTAL POWER INPUT REQUIREMENT
For a power distribution voltage that is different than the provided nominal voltage, multiply the kW and MBH data from the table by the conversion
factor in the following table.
DISTRIBUTION POWER
NOMINAL VOLTAGE
CONVERSION FACTOR
208V
240V
0.75
220V
240V
0.84
230V
240V
0.92
APPLICATION FACTORS - RATED CFM VS. ACTUAL CFM
% Of Rated Airflow (CFM)
80%
90%
100%
110%
120%
Capacity Factor
0.96
0.98
1.00
1.02
1.03
POWER WIRING - LINE CONNECTIONS
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BLOWER SPEED CONNECTIONS
FACTORY WIRED TO
TRANSFORMER
FACTORY WIRED TO
FAN MOTOR RELAY
TERMINAL ON
CONTROL BOARD
PUR
PUR
HIGH
MED
LOW
GND.
230 VOLT
BLOWER MOTOR
CAP
BRN
BLK
A0342-001
PSC STANDARD MOTOR
FACTORY WIRED TO
TRANSFORMER
FACTORY WIRED TO
FAN MOTOR RELAY
TERMINAL ON
CONTROL BOARD
PSC STANDARD MOTOR
ALTERNATE CONNECTION
AP60, RFCX60, MP20
ALL OTHER AIR HANDLER
GND.
CAP
BRN
BLK
H M L
RC
PRP
PRP
230 VOLT
BLOWER
MOTOR