Daikin EWAD620-C17C-SS Service Manual page 156

Air-cooled chiller
Table of Contents

Advertisement

The Digital Controller
1.3.2
Addresses Used In System
1
2
3
Extension
4
addressing
5
2–8
ADDRESS=6
ON
OFF
Each module in the system has it's own address (mentioned in wiring diagram).
Special way to configure address:
Do not use dipswitch 6
Start configuring the address from dipswitch 5
Advance from right to left
Example: address 6 means 3 and 4 ON, rest OFF.
Peripheral bus is used to connect I/O extensions to the main controller.
Siemens Description of
Controller
Expansion Boards
Unit
PolyCool Controller 687.70
MCQ (UC)
Comp. #1
Ext-IO 965.00 (CC1)
EEXV #1
Ext-ECV (EEXV1)
Comp. #2
Ext-IO 965.00 (CC2)
EEXV #2
Ext-ECV (EEXV2)
Fans #1&2
Ext-IO 945 (FC12)
Comp. #3
Ext-IO 965.00 (CC3)
EEXV #3
Ext-ECV (EEXV3)
Fans #3
Ext-IO 945 (FC3)
Comp. #4
Ext-IO 965.00 (CC4)
EEXV #4
Ext-ECV (EEXV4)
Fans #4
Ext-IO 945 (FC4)
Fans #3&4
Ext-IO 945 (FC34)
Alarm/Limit
Ext-IO 965.00 (AC)
Address
Usage
n/a
Used on all configurations
2
3
Used on all configurations
4
5
6
Used when number of fans on cir-
cuit 1 is more than 6, number of
fans on circuit 2 is more than 6, or
unit has multipoint power
7
Used when configured for 3 or 4
8
circuits
9
10
Used when configured for 4 cir-
11
cuits
12
13
Used when number of fans on cir-
cuit 3 or 4 is more than 6
18
Used on all configurations
Part 2 – Functional Description
ESIE10-01

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents