Honeywell SDC 9-21 - Page 32

Connection assignment SDC
32 MU1H-0438GE51 R0313
Brief
description
Meaning
T2
Burner connection (T2), stage 1; for district heating
controllers, district heating valve V1 CLOSED, N
on X9, PE on X10
T6
Burner connection (T6), stage 2; for district heating
controllers L1
T7
Burner connection (T7), stage 2; for district heating
controllers, district heating valve V1 OPEN
T8
Burner connection (T8), stage 2
DKP
Direct heating circuit pump, connections N and PE
on X9 / X10
SLP
Tank charging pump, connections N and PE on
X9 / X10
MKP1
Mixed heating circuit 1 pump, connections N and
PE on X9 / X10
MK1 OPEN
Mixer open - mixed heating circuit 1, connections
N and PE on X9 / X10
MK1
CLOSED
Mixer closed - mixed heating circuit 1, connections
N and PE on X9 / X10
VA1
Variable output 1, connections N and PE on
X9 / X10
VA2
Variable output 2, connections N and PE on
X9 / X10
MKP 2
Mixed heating circuit 2 pump, connections N and
PE on X9 / X10
MK2 OPEN
Mixer open - mixed heating circuit 2, connections
N and PE on X9 / X10
MK2
CLOSED
Mixer closed - mixed heating circuit 2, connections
N and PE on X9 / X10
VFB
Inlet temperature limit sensor
GND
Ground terminals bridged for sensor inputs
N
Neutral wire bridged for connected pumps / mixers
L1
230 V mains connection