22
KEY TO ELECTRICAL LAYOUT
A
-
Control box
F1
-
Fan motor thermal cut-out
FR
-
Photocell
H
-
Remote lock-out signal
h1
-
1st stage hourcounter
h2
-
2nd stage hourcounter
IN
-
Burner manual stop switch
K1
-
Burner on voltage free contact relay
K2
-
Burner lock-out voltage free contact relay
KMP
-
Pump motor relay
KM
-
Fan motor contactor
MP
-
Pump motor
MV
-
Fan motor
PA
-
Air pressure switch
PE
-
Burner ground
Q1
-
Three-phase disconnect switch
Q2
-
Single-phase disconnect switch
RS
-
Remote lock-out reset button
S1
-
Switch: burner off - on
S2
-
Switch: 1st - 2nd stage operation
SM
-
Servomotor
TA
-
Ignition transformer
TL
-
Limit pressure switch/thermostat
TR
-
Control pressure switch/thermostat
TS
-
Safety pressure switch/thermostat
X1
-
Main supply terminal strip
XP1
-
Connector for STATUS
VS
-
2nd stage solenoid valve
V1
-
1st stage solenoid valve
V2
-
Safety solenoid valve
电气接线图图例
A
-
控制盒
F1
-
风机电机热断路器
FR
-
光电管
H
-
远程锁定信号
h1
-
1
段火计时器
h2
-
2
段火计时器
IN
-
燃烧器手动停止开关
K1
-
燃烧器运行无源触点继电器
K2
-
燃烧器锁定无源触点继电器
KMP
-
油泵电机继电器
KM
-
风机电机接触器
MP
-
油泵电机
MV
-
风机电机
PA
-
风压开关
PE
-
燃烧器接地
Q1
-
三相关断开关
Q2
-
单相关断开关
RS
-
远程锁定复位按钮
S1
-
开关:
燃烧器停机 - 启动
S2
-
开关:
1
段火
- 2
段火运行
SM
-
伺服电机
TA
-
点火变压器
TL
-
压力限位开关
/
温控器
TR
-
压力控制开关
/
温控器
TS
-
压力安全开关
/
温控器
X1
-
主电源接线端子板
XP1
-
连接器状态
VS
-
2
段火电磁阀
V1
-
1
段火电磁阀
V2
-
安全电磁阀