Siemens LOA2 Series, Руководство пользователя

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44
ซ.บรมราชชนนี
70
ถ.บรมราชชนนี ศาลาธรรมสพน์ ทวีวัฒนา กทม.
10170.
website: https://www.add-furnace.com/
โทร:
02-888-3472
Line ID: @add11 Wechat ID: add0883001122
Connection diagram inclusive Control sequence
internal diagram
LOA26.171B27
L1 x y z c d e f
g
7 1 1 8 a 0 8 / 1 0 0 4
tz2 tz1
EK1 fr
With ARK21
a b FR
K
V
remote lockout
reset module
2 8
TZ
5 9 11 12 1 10 3 7 6 4
SB
W
OW
R OH
Z
QRB
AL
N
SA BV1
Si
N
L
M BV2
N
QRC
b l
sw
10
1
br
2
10
13
EK2 9
14
ARK21A27
7
1
1
8
a
0
9
/1
0
0
4
LOA36.171A27
L1 x y z c d e f
g
LED1
tz2 tz1
EK1 fr
With ARK21
a b
FR
K
V
remote lockout
reset module
L2
TZ
2 8 5 9 11 12 1 10 3 7 6 4
SB
W
OW
R OH
Z
QRB
AL
N
SA
Si
BV1
N
L
M BV2
N
QRC
b l
sw
10
1
br
2
10
13
EK2 9
14
ARK21A27
R A´ A B C D
SB 1
W
OH 8
OW
t3n
3
M 3
tw t1
Z 6
SA 7
t3 TSA
BV1 4
t4
5 BV2
FS
11
7118d05/0402
12
R A´ A B C D
SB 1
W
OH 8
OW
t3n
3
M 3
tw t1
Z 6
SA 7
t3 TSA
BV1 4
t4
5 BV2
FS
11
7118d05/0402
12
Legend AL Alarm device OW Release contact of oil preheater
BV... Fuel valve OH Oil preheater
EK1 Lockout reset button
QRB…
Photoresistive detector
EK2 Remote lockout reset button
QRC…
Blue-flame detector
FR Flame relay with contacts «fr» bl = blue, br = brown, sw = black
fr Bridging contact for release contact of the oil R Control thermostat or pressurestat
preheater SA Actuator with automatic setback
FS Flame signal SB Safety limit thermostat
K Catch of flame relay for locking contact «tz1» Si External primary fuse
in the event of premature flame signals or for TZ Thermal-electric sequence switch
locking the contact when the flame signal is tz... Contacts of the thermoelectric programmer
correct W Limit thermostat or pressure switch
L1 Indication of faults (red) V Flame signal amplifier
L2 Indication of operation (orange) Z Ignition transformer
LED1 Indication of flame strength (green)
M Burner motor A´ Beginning of startup with burners using an oil
preheater
TSA Ignition safety time A Beginning of startup with burners without an oil
tw Waiting time preheater
t1 Prepurge time B Time of flame establishment
t3 Preignition time C Running position
t3n Long postignition time D Controlled shutdown by control thermostat /
t3n´ Short postignition time pressurestat
t4 Interval between flame signal and release of Control signals delivered by the LOA...
«BV2» Required input signals
Permissible input signals
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Building Technologies Division CC1N7118en
19.05.2016