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8.4. Power supply wiring
2
Power cable size: 1.5 mm
or more
Total operating current
Over current
be less than 16 A
protection 16 A
Switch 16 A
[Selecting non-fuse breaker (NF) or earth leakage breaker (NV)]
To select NF or NV instead of a combination of Class B fuse with switch,
use the following:
•
In the case of Class B fuse rated 15 A or 20 A,
NF model name (MITSUBISHI): NF30-CS (15 A) (20 A)
NV model name (MITSUBISHI): NV30-CA (15 A) (20 A)
Use an earth leakage breaker with a sensitivity of less than 30 mA 0.1
sec.
Overcurrent
protection 16 A
Switch 16 A
Caution:
Do not use anything other than the correct capacity breaker and
fuse. Using fuse, wire or copper wire with too large capacity may
cause a risk of malfunction or fire.
8.5. Connecting the Remote controller,
the Fresh Master and outdoor
transmission cables
(The Remote controller is optionally available.)
•
Connect Fresh Master TM2 and outdoor unit TB3. (Non-polarized
2-wire)
The "S" on Fresh Master TM2 is a shielding wire connection. For
specifications about the connecting cables, refer to the outdoor unit
installation manual.
•
Install the Remote controller following the manual supplied with the
Remote controller.
[For using the ME Remote controller]
Connect the "A" and "B" on Fresh Master TM2 to the Remote control-
ler. (Non-polarized 2-wire) Connect the Remote controller's transmis-
sion cable within 200 m. If the distance is more than 10 m, use a 1.25
mm
2
to 2.0 mm
2
cable.
[For using the MA Remote controller]
Connect the "1" and "2" on Fresh Master TM2 to the Remote control-
ler. (Non-polarized 2-wire) Connect the Remote controller's transmis-
sion cable within 200 m.
Terminal block for the
Fresh Master
transmission cable
S B A 2 1
TM2
(Fresh Master)
TB3
S B A 2 1
ME Remote
Terminal block for outdoor
controller
transmission cable
(PAR-F27MEA)
Pull box
Fresh Master
Fresh Master
S B A 2 1
TM2
(after Fresh Master)
MA Remote controller
(PAR-20MAA)
•
24 to 30 V DC between M1 and M2
Longest wiring length (L1+L2+L4 or L1+L3): less than 200 m
Longest wiring length (L2+L3+L4): less than 500 m
Length between the Fresh Master and the Remote controller (R): within
10 m
Notes:
*1 Put the transmission cable earth via the outdoor unit's earth
terminal
to the ground.
*2 If the Remote controller cable exceeds 10 m, use a 1.25 mm
2.0 mm
2
cable over the exceeded portion, and add that ex-
ceeded portion to within 200 m.
*3 The BC controller is required only for simultaneous cooling
and heating series R2.
[Constraints on transmission cable]
G
*1
H
I
*3
J
L1
G Outdoor unit
H Earth
I BC controller
J Fresh Master
K Remote controller
L Non-polarized 2-wire
J
J
L2
K
K
L4
J
J
R
K
L
L3
K
K
15
2
to
*2
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