24
Installation and maintenance instructions 0020213395_04
8.5
Power supply PCB
Note
The total current consumption of all connected external consumers (including X141, X143, X144, X145) must not
exceed 2.4 A.
1
3
5
2
6
7
4
8
9
22
21
24
23
12
11
13
14
15
16
18
19
17
20
10
X102
X143
X120
X145
X101
X1A
X105
LED
X20A
X201
X200
X203
X202
X90
X140
X142
X104
X131
X750
LED
X141
X144
F1
1
[X102] Power supply for internal electric back-up
heater
2
[X143] Well pump
3
[X120] Optional 230 V supply for protection anode
4
[X145] External back-up heater
5
[F1] F1 T 4A/250 V fuse (protects 230 V loads on
power supply PCB)
6
Protective earth connection for the electronics box
7
[X101] Power supply for compressor and 230 V
electronics system
–
power supply PCB (TB) and
control PCB (HMU)
8
[X1A] 230 V supply for control PCB
9
[X144] External 3-port valve
10
[X105] Connection for compressor with in-rush cur-
rent limiter
11
LED safety switch for compressor
12
[X20A] Connection for control PCB communication
line
13
[X201] (not used)
14
[X200] Optional temperature sensors for ground
water module
15
[X203] Optional flow temperature sensor for heating
circuit with passive cooling module
16
[X202] (not used)
17
[X90] (not used)
18
[X140] Connection for 3-port diverter valve for pass-
ive cooling module
19
[X142] 3-port mixing valve for passive cooling
module
20
[X104] Connection for internal electric back-up
heater
21
[X131] Optional external brine pressure switch con-
nection
22
[X750] Safety cut-out for internal electric back-up
heater
23
LED safety switch for electric back-up heater
24
[X141] Signal output for active cooling mode
Содержание flexoTHERM exclusive VWF 57/4 230V
Страница 71: ......