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MS-SVN004-EN
CONCEALED FAN COIL UNITS
COOLING-HEATING
MCD 530-536 DB/D1
MCD 048-060 DB/D1
Wiring Diagram
C
C
H
H
HEATER
HEATER
C
H
H
C
NOTES :
THERMOSTAT
3 SPEED
SWITCH
1. POWER WIRING AND GROUDING OF
EQUIPMENT MUST COMPLY WITH
LOCAL CODES.
2. ENSURE THAT POWER SUPPLY
AGREES WITH EQUIPMENT NAME
PLATE.
3. USE ONLY COPPER CONDUCTORS.
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)
FIELD WIRING
FACTORY WIRING
COOLING - HEATING
LEGEND :
MOTOR
BLOWER
EXTRA-HI
RD
RD
WH
LOW
COM
BLK
MED
HI
RD
BL
BR
BLK
TO HEATING
TO COOLING
COOL
SWITCH
h
HEAT
OFF
LOW MED
HI
L
N
C1
5
2
4 6
8
0
1
6
4
3
2
1
C2
POWER SUPPLY
200-240V/1pH/60Hz
220-240V/1pH/50Hz
200-240 VAC
CONTROL WIRING
TO CONDENSING UNIT.
Remove HI-BR wire FROM TB-1 and replace
with EXTRA HI-BLK wire when high speed/cfm
is required in the field.
L/O- 02091985TRA
21/4/03, 2:44 PM
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