Hokkaido HCNL 821 XMR, Руководство по обслуживанию

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10. Electrical Control Functions
See page 52 of this Manual.
A) Outdoor
Electrical Con
trol
F
unctions:
1. Switch setting and functions:
No Item
A8 Set in factory
SW5-1
: O
utdoor fan motor selection
ON: DC fan motor; OFF: AC fan motor.
C1
SW5-2
: D
efrosting data setting
ON: 6 degrees; OFF: 8 degres (factory setting
)
.
For the place where
it
is easy to frost
: set to ON.
For the place where it is hard to frost: set to OFF
.
C2 SW5-3
，
SW5
: P
iping length
(l)
selection
S (l
≤
25m): SW5-3=OFF, SW4=ON;
M (25m < l
≤
50m): SW5-3=OFF, SW4=OFF (factory setting);
L (50m < l
≤
60m): SW5-3=ON, SW4=OFF; Invalid:
SW5-3=ON
,
SW4=ON
.
C3 SW5-5
，
SW5-6
: O
utdoor horse power selection (
F
or different outdoor,
the current
limitation is different too. The corresponding selection must be taken, or
the module
protection will occur.)
2HP
:
SW5-5=OFF
,
SW5-6=ON
|
2.5HP
:
SW5-5=ON
,
SW5-6=OFF
.
3HP
:
SW5-5=ON
,
SW5-6=ON
|
3.5HP
:
SW5-5=OFF
,
SW5-6=OFF
.
C4 SW5-7
，
SW5-8
: Silent operation function
SW5-7
:
OFF
(Preset in factory: do not change)
.
SW5-8
: ON, S
ilent operation function
available;
When ON, the max. fan speed is Class-6, and the max. running frequency is 10Hz.
SW5-8: OFF, Normal operation function (factory setting).
C8 Set in factory
2. Defin
i
tion of 4-bit dip switch SW5 on failure indicator board:
1 2 3 4 Defin
i
tion
OFF OFF OFF OFF State when out of factory (normal state)
OFF ON OFF OFF
Compulsory
COOLING
:
F
requency
=
60HZ
; O
utdoor fan motor
=
Class-7
;
Fixed open angle =
300
; t
he others are in normal state
.
ON OFF OFF OFF
Compulsory HEATING: Frequency = 50HZ; Outdoor fan motor = Class-5;
Fixed open angle = 300; the others are in normal state.
OFF OFF ON OFF
Rated operation:
A
uto changeover for
C
ool/
H
eat
. M
ax. frequency 53HZ(E) in
C
ooling
and max. frequency 72HZ(E) in
H
eating, the frequency is set automatically in other
states.
3. Main control functions
3.1 Refrigerant diagram
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