Lauda PROLINE Edition X P 12 C, Operating Instructions Manual

Page: 97 / 116

Proline Edition X heating thermostats
YACE0099 / 10/9/2018
Interface modules
97
8.5 Contact module
8.5.1 Contact module LRZ 915 with three inputs and three outputs
Contact module Cat. No. LRZ 915) on 15 pole SUB-D socket. With three relay contact outputs
(changeover, max. 30 V/ 0.2 A) and three binary inputs for control via external voltage-free contacts.
The following functions are made available by the inputs:
- Set fault with function: Master: F ALA or Command: Fault .
- Set Stand-by with function: F Stb or Stand by , see safety instruction (

7.7.3).
- Control programmer (input 1 activates programmer 1, input 2 activates programmer 2 etc. At the
first “close” the programmer gets starting; “open” removes it in “pause”. The next “close” initiate
“continue”) with function:
F Pr6 or Programmer .
- Control alternating mode (
the switching state contact “open“ or “closed” allot to two different set-
point temperatures): F t2C or alternating mode .
- Controller mode (
the switching state input “open” or “closed” can allotted to two different control
temperature sources. E. g. internal

external control): F Con or type of control .
The following functions are made available by the outputs:
-
Signal various fault states: F diA or fault diagnosis .
-
Signalling standby: F Stb or Standby .
- Providing status of the window discriminators (inside

outside): F WXi or
temperature range .
- Providing the programmer status: F Pr6 or Programmer .
- Signalling refill of heat transfer liquid: F F1L or Refill .
Contact inputs and outputs

View of the socket from the plug side or of the plug on the solder side.

A suitable 15-pole Sub-D plug can be obtained together with a suita-
ble housing:
Catalogue no. EQM 030 and plug housing catalogue no. EQG 017.
1
5V
Input
Output
1 2 3
Contact module LRZ 915; SUB-D
12 4 5 6 13 14 15 7 8
2
5V
3
5V
1 9 2 10 3 11