Honeywell NXL Series Applications Manual page 59

Honeywell
230 VAC
NXL
NXOPTB5
22
23
O
A Mains
S1
K3
K3
K2
K2
K1.1 K1
K1
K1.1
M1/NXL M1/mains
Figure 1- 31. 3-pump autochange system, principal control diagram
PE
L1
L2
L3
F3
Q1
NXL
VACON
K1
NX12k104.ds4
Figure 1- 32. Example of 3-pump autochange, main diagram
Description of parameters
24 VDC DIN1
6 8
25
26
O
A Mains
S2
K3
K1 K3
K1
K2
K2.1
K2
K2.1
M2/NXL M2/mains
F1
L1 L2 L3
K1.1
U V W
PE
U V W
M
M1
3
DIN2
9
O
A Mains
S3
K1
K2
K2
K3
K3.1
K3 K3.1
M3/NXL M3/mains
F2
K2.1
K2
K3
PE
U V W
M
M2
3
Page 59 (68)
DIN3
10
28
29
K1
NX12k106.dsf
F2
K3.1
PE
U V W
M
M2
3
4