LAARS Heating Systems
Page 46
4.22 Electrical Connections
SECTION 4. Installation
Connector
Description
HT SELV
#, Location, Type
PIN
Label
CN9
65001WS-12
1
-
GROUND
HT (120V~)
2
L
Power Supply Line
HT (120V~)
3
CP1
Not Used
HT (120V~)
4
IT
Igniter
HT (120V~)
5
L(HT)
Pump : CH
HT (120V~)
6
GV
Gas Valve
HT (120V~)
7
-
-
-
8
N
Power Supply Neutral
HT (120V~)
9-12
N
AC Power COM Line
HT (120V~)
CN6
LW6A4-03
1
CP3/3Way
3 Way Valve
HT (120V~)
3
HT (120V~)
CN1
SMW250-5D
1
RS-485
RS485 +
SELV (5V)
2
GND
SELV (5V)
3
RS485 -
SELV (5V)
CN4
LWD1140-06D
1
FAN
Not Used
-
2
GND
SELV (30V)
3
VDD
SELV (14V)
4
Fan power(start coil)
SELV (30V)
5
Fan power(end coil)
SELV (30V)
6
Fan speed feedback signal
SELV (14V)
CN8
SMW250-04D
1
MCU ISP
GND
SELV (5V)
2
ISP /Reset port
SELV (5V)
3
ISP TOOL0 Data port
SELV (5V)
4
VCC
SELV (5V)
CN11
LWD1140-16
1
HWL
Not Used
SELV (12V~)
8
2
LWL
Low Water Level Leakage Sensor
SELV (12V~)
10
3
HD
Central Heating Demand
SELV (5V)
11
4
TH
Connect to the Display
Control(Thermostat)
SELV (14V)
12
5
APS
Jump
SELV (14V)
13
6
EL
Jump
SELV (14V)
14
7
BL
Burner Limit
SELV (14V)
15
8
HL
Condensate Block
SELV (14V)
16
Содержание MASCOT FT MFTCW
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