IDEAL HP290 - Figure 46. Control Box - Internal Wiring

Section 4 - Installation
INSTALLATION
46 Installation and Maintenance
4.3.5 Control Box Internal Wiring
Figure 46. Control Box - Internal Wiring
Ground
CH2 Pump
or Valve
N
L
CH1 Pump
or Valve
N
L
Schaffner
R
N122-3/0
2
3 Way
Valve
N
L
Overheat
Stat
L
L
Room Stat
Power
N
L
Backup Boiler
sL
L
No
t
used
No
t
used
User Interface
(mounted in front of control box)
DHW
Thermistor
CH Zone 2
Thermistor
H1
BMS Modbus
H2
EH
Not used
CN5
PE
CN28
PUMP
CN8
FS
CN6
Hydraulic Module Board
Tbt
CN24
T5
CN13
Tw2
CN15
Tsolar
CN18
CN64
CN66
CN31
CN35
CN23
RH
CN37
Pw
CN38
T52
CN36
CN21
CN32
CN29
CN42
IBH1
IBH2
TBH
AHS1
1
2
AHS2
POWER
HEAT6
3
1ON
AC OUT
HEAT5
CN22
4
1OFF
5
2ON
6
2OFF
1
3
TBH
14
IBH2
15
IBH1
16
C1
17
C1
18
C1
7
3ON
19
C1
8
3OFF
20
C1
9
P
-c
21
C1
10
P
-o
22
C1
SW9
ON
2
1
11
P-
s
P
-
d
12
23
C1
24
P
-x
CN17
PUMP-
BP
1
A
T2
T2B
TW-
in
TW
-
out
T1
P
6
2
B
Q
7
3
X/HA
4
Y/HB
E
5
E1
8
H1
9
K1
K2
S1
S2
0
-
10V
HT
COM
CL
SG
EVU
M1
M2
T2
T1
E
CN19
PE1Q
10
H2
Gland
Gland
Gland
Gland
Gland
On/Off
R/S 1
On/Off
R/S 2
Grommet
Bar Clamp
Grommet
Bar Clamp
XHB
XHA
Unit
Outdoor
Outdoor Unit
T1
T2
E1
Not used
Immersion
Heater
L Out
Gland
L
N
Mains
Supply
Relay
230V Coil
230V
contacts
E
Relay
230V Coil
230V
contacts
E
Relay
230V Coil
230V
contacts
Fuse
Gland
r
gy
v
w
y
p
w
w
r
v
r
w
w
br
br
bk
br
bu
gn
bu
bk
bu
bu
gn
bk
bk
gy
g/y
br
bu
br
gy