13
MS-SVN004-EN
CONCEALED DX AIR HANDLER
COOLING-HEATING
MCD 512-524 DB/D1
EXTRA–HI
BLK
HI
MED
LOW
COM
BR
BL
RD
WH
BLOWER
MOTOR
BLK
RD
RD
1
2
3
4
5
6
REMOVE HI-BR WIRE FROM TB-1 AND REPLACE
WITH EXTRA HI-BLK WIRE WHEN HI SPEED/CFM
IS REQUIRED IN THE FIELD.
HEATER THERMAL OVERLOAD
PROTECTOR (MANUAL RESET)
(MAX.20AMP. NON-INDUCTIVE
FULL LOAD CURRENT)
HEATER THERMAL OVERLOAD
PROTECTOR (AUTO RESET)
(MAX.20AMP. NON-INDUCTIVE
FULL LOAD CURRENT)
HEATER
H
C
H
C
1
0
2
4 6
8
HEAT
COOL
TO HEATING
TO COOLING
THERMOSTAT
COOLING-HEATING
SWITCH
3 SPEED
SWITCH
h
OFF
LOW MED
HI
POWER SUPPLY
200-240V/1PH/60Hz
220-240V/1PH/50Hz
200-240 VAC
CONTROL WIRING
TO CONDENSING UNIT.
LEGEND:
FIELD WIRING
FACTORY WIRING
1. POWER WIRING AND GROUDING OF
EQUIPMENT MUST COMPLY WITH LOCAL
CODE.
2. ENSURE THAT POWER SUPPLY AGREES
WITH EQUIPMENT NAME PLATE.
3. USE ONLY COPPER CONDUCTORS.
NOTE:
L
N
C1
C2
Wiring Diagram
L/O- 02091985TRA
21/4/03, 2:44 PM
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