Electrical Connection - McQuay SB250B Installation Manual

Cooling
Indoor Unit
Outdoor Unit
Voltage range**
Power Supply Cable*
Number of Conductors
a) Indoor Unit
b) Outdoor Unit
Interconnection cable*
Number of conductors
SB40B/50B/60B/75B/100B, HSB40A/50A/60A
COMP
Indoor Unit
L
N
E
Indoor Unit
Outdoor Unit
Voltage range**
Power Supply Cable*
Number of Conductors
a) Indoor Unit
b) Outdoor Unit
Interconnection cable*
Number of conductors
IMPORTANT: The figures shown in the table are for information purpose only. They should be checked and selected
*
to comply with the local/national codes of regulations. This is also subject to the type of
installation and conductors used.
** The appropriate voltage range should be checked with label data on the unit. ETL listed is only applicable
to 60Hz power supply only.
SB125B/150B/200B/250B/300B/400B/450B/500B/650B/750B/125C/150C
Indoor Unit
Power Supply

ELECTRICAL CONNECTION

SB40B/SB50B/SB60B/SB75B/SB100B/HSB40A/HSB50A/HSB60A
SL40C/SL50C/SL60C or M/SS60C/M/SS75C/M/SS100C/SL40C/SL50C/SL60C
380V-415V / 3Ph / 50Hz or 208V-230V/3Ph/60Hz
Interconnection Cable
SB125B/150B/200B/250B/300B/400B/450B/500B/650B/750B/125C/150C
MSS75B/MSS100B/MSS125B/MSS150C/MSS75C/MSS100C/MSS125C
380V-415V / 3Ph / 50Hz or 208V-230V/3Ph/60Hz or 460V/3Ph/60Hz
R
S
T
N
TB1
SW
TB2
COMP
SW: Switch TH: Thermostat control
TDR: Timer
–
5
4
R
S
T
N
COMP
L
N
Power Supply
5
5
1
R
S
T
N
Power Supply
TDR
COMP
N
TH
SW
1-6
Outdoor Unit
!
The electrical power
must be provided with
protection
(circuit breaker or
fuse) with
separation system and
minimum contact gap
of 3mm.
Outdoor Unit
!
The electrical power
must be provided with
protection
(circuit breaker or fuse)
with pole separation
system and minimum
contact gap of 3mm.
device
pole
device