MINIPACK
X:/Aquatech-Pressmain Instruction manuals/current/MINIPACK
13
P1
P2 N
N
E
E
E N L
+10
I/P
E
E
NC
NO
C
(2)
(1)
(3)
Set Point adjust
Boiler/Chiller
volt free relay
240VAC 1A max.
High pressure
adjust
Delivery Pipework
PT1
OL1
3
2
OL2
P1
PCB1
MPC-Pu Controller
G/Y
L1
N
E
3
G/
Y
2
1
3 core
screened cable
292 Pressure
Transducer
Supply
240VAC
2A 50Hz
(b
lack)
(black) N
(black) L
Break
Tank
LWP1
Low Water
Probes
(G/Y)
(b
lack)
(G/Y)
(G
/Y)
P2
N1
2
(G
/Y)
(b
lack)
P
1
(b
lack)
N
11
(G
/Y)
N1
L11
(G/Y)
P1
N11
P2
N12
P11
P21
1
(G/Y)
0
0
1
(Black)
(Black)
(G/Y)
PCB2
E
N
L
E
IS1
8.8.
Typical Boiler Interrupt Circuit (wiring by others)
Control relay
Control thermostat
N
SUPPLY
Boiler/burner controls
no
Pressure fault
nc
c
21 22
20
Fig 1.6a Typical standard –B controller Wiring Diagram
Fig 1.6b Typical Boiler wiring (by
others)
PCB1
PCB2
PCB3
O
Keypad
2020Plus controller
Pump 2 Auto/Off/Hand
Pump 1 Auto/Off/Hand
Display
Pressure fault
no
c
nc
Boiler/burner controls
Z
Y
X
SUPPLY
N
Control thermostat
Control relay
Typical Boiler Interrupt Circuit (wiring by others)
IP2
4-Channel
Level
Sensing
Module
IP1
4 Channel
Analogue
Input
Module
Boiler
C
ut-
out
C
ommon
War
ni
ng
Tr
ansducer
Failed
Pump
Failed
Pump Starts
Excessive
H
igh/Low
Water
Low
Pressure
H
igh
Pressure
F2
F1
Pump2
Pump1
T1A
T1A
BMS volt free outputs
max 240VAC 50Hz 1.5A
no
c
nc
no
c
nc
no
c
nc
no
c
nc
no
c
nc
no
c
nc
no
c
nc
no
c
nc
13
12
11
10
9
3
2
1
8
7
6
5
4
to Controller
on door
24VAC
12VAC
0V
C
B
A
Z
Y
X
W
V
U
T
S
R
P
O
N
M
L
K
J
H
G
F
E
D
B1
B2
B3
A
1
A2
A3
2ETM40E Mothercard
Typical wiring connections
Fig 1.7 Typical Enhanced -E controller Wiring Diagram
