IDEAL HP290 - Figure 40. Mains Supply Connections to Outdoor Unit; Figure 41. Communications Connections between Outdoor Unit and Control Box

Section 4 - Installation
INSTALLATION
39
Installation and Maintenance
3 phase without backup heater.
Main power supply
L
N
Main power supply
L1
L2
L3
N
L
N
A
A
Figure 40. Mains Supply Connections to Outdoor Unit Figure 41. Communications Connections between
Outdoor Unit and Control Box
A B X/HA Y/HB E
T1 T2 E1 H1 H2
OUTDOOR 1
OUTDOOR 2
X/HA
T1
T2
E1
Y/HB
Not used
T1
T2
E1
Outdoor Unit
XHB
XHA
Outdoor
Unit
Outdoor Unit
Indoor Unit
CN21
CN28
CN
68
CN
56
CN71
CN62
CN40
CN41
CN29
CN42
CN32
CN22
CN11
CN30
CN
9
CN61
CN63
CN
36
CN31
CN66
CN18
CN15
CN38
CN13
CN24
CN37
CN20
CN8
CN39
CN
10
CN47
CN33
CN50
CN5
CN7
CN
45
CN
34
CN46
CN3
CN43
CN35
CN17
ⓘ IMPORTANT:
If the Ideal Indoor Control Box is being used, set dip-switch
S2 (switch 1) to ON.
If the Ideal HP290 Controller is being used, set dip-switch
S2 (switch 1) to OFF. Refer to Sect 5.5.1