Danfoss AK-CH 650 User Manual

42 Capacity controller RS8ER302 © Danfoss 2016-02 AK-CH 650
Wiring
Decide during planning which function is to be connected and
where this will be.
1. Connect input and outputs
Here are the tables for the example:
Mounting and wiring - continued
The function of the switch functions can be seen in the last column.
There are AKS 32 pressure transmitters for several pressure ranges.
Here there are two dierent ones. One up to 12 bar and one up to 34 bar.
Signal Module Point
Terminal
Signal type /
Active at
Brine return temperature S3
1
1 (AI 1) 1 - 2
Pt 1000
Brine supply temperature S4
2 (AI 2) 3 - 4
Pt 1000
Consumption limitation
3 (AI 3) 5 - 6
Closed
Pump ow switch
4 (AI 4) 7 - 8
Open
Thermostat sensor in plant
room - Saux1
5 (AI 5) 9 - 10
Pt 1000
External main switch
6 (AI 6) 11 - 12
Closed
Outdoor temperature - Sc3
7 (AI 7) 13 - 14
Pt 1000
Discharge gas temperature - Sd
8 (AI 8) 19 - 20
Pt 1000
Suction gas temperature - Ss
9 (AI 9) 21 - 22
Pt 1000
Suction pressure - P0
10 (AI 10) 23 - 24
AKS32-12
Condenser pressure - Pc
11 (AI 11) 25 - 26
AKS32-34
Compressor 1 / VSD
12 (DO 1) 31 - 32
ON
Compressor 2
13 (DO 2) 33 - 34
ON
Compressor 3
14 (DO 3) 35 - 36
ON
Compressor 4
15 (DO 4) 37 - 38
ON
16 (DO 5) 39-40-41
Liquid injec. in heat ex-
changer
17 (DO6) 42-43-44
ON
Pump 1
18 (DO7) 45-46-47
ON
Pump 2
19 (DO8) 48-49-50
ON
Speed control of compressors
24 -
0-10 V
25 -
Signal Module Point Terminal Active at
Fan 1
2
1 (DO 1) 25-26-27
On
Fan 2
2 (DO 2) 28-29-30
On
Fan 3
3 (DO 3) 31-32-33
On
Fan 4
4 (DO 4) 34-35-36
On
Defrost
5 (DO 5) 37-38-39
On
Fan in plant room
6 (DO 6) 40-41-42
On
Alarm
7 (DO 7) 43-44-45
O
8 (DO 8) 46-47-48
Signal Module Point Terminal Active at
Compressor 1 Gen. safety
3
1 (DI 1) 1 - 2 Open
Compressor 2 Gen. safety 2 (DI 2) 3 - 4 Open
Compressor 3 Gen. safety 3 (DI 3) 5 - 6 Open
Compressor 4 Gen. safety 4 (DI 4) 7 - 8 Open
VSD, compressor speed 5 (DI 5) 9 - 10 Open
Frost protection 6 (DI 6) 11 - 12 Open
DI alarm, Receiver level 7 (DI 7) 13 - 14 Open
8 (DI 8) 15 - 16

Danfoss AK-CH 650 Specifications

General

Brand	Danfoss
Model	AK-CH 650
Category	Controller
Language	English