Universal Controller - YAD
Coldroom
ZA-10003-YAD
Issue a : 5/11/96
Product Part No:
•
Universal Controller
190797-YAD
Warning !
Before you work on this equipment, isolate the
electrical supply and also the live feed to any
incoming signals. Remember that live signals
may be derived from more than one source
.
Features:
•
Controls and monitors HT and LT Coldroom
•
Genus or alternative network compatible
•
Full defrost control
Associated Documents:
∗
Datasheet:
ZD 10001-YAD
∗
DIN Box Display:
ZF 0920-DIN
∗
Set-up Unit:
ZF 0795-DAD
∗
Using Probe Clips:
ZG 56003
∗
Health and Safety:
ZG 1056
Bit Switch Settings (Fig. 1) : (Shaded area = Switch Position)
Off
On
Genus Network
1
Alternative Network
Elm Probes
2
Alternative Probes
Relay 5 -Remote
3
Relay 5 Switches Alarm
Not used....leave off
4
Not used....leave off
5
Coldroom option
6
7
LT Range (Frozen Food)
8
HT Range (Fresh Food)
Please Note:
The features and specifications contained in this
Installation Guide may change without notice.
Elm Ltd. shall not be liable for errors or for
incidental or consequential damages in connection
with the furnishing, performance or use of this
product or document.
Relay
1
Relay
2
Relay
3
Relay
4
Relay
5
Note: This simplified wiring diagram omits circuit protection
ON
1
2
3
4
5
6
7
8
(P6) Logging
(P5) Defrost terminate
(P4) Evaporator out
(P3) Evaporator in
(P2) Air off
(P1) Air on
Temperature Probes -
Bit switches
+
OPTIONS
EXECUTE
PAGE
PAGE
HOME
SELECT
Setup
Unit
Previous
controller
Next
controller
Genus or alternative
Network cable
-1.5
Ent
Esc
Alarm
Network
Defrost
white
green
red
Plant fault 2
Plant fault 1
N
L
E
Mains
Supply
DIN Box Display
Alarm or controlled remotely
by the Supervisor
Fans
Defrost heater / Drip Pan Heater
Suction line
valve
N/C Liquid line valve
Setup unit extension cable
screen
red
white
black
green
blue
green
yellow
white
red
CN7
CN8
P2
P1
CN9
CN10
CN11
CN12
CN13
CN14
CN15
CN5
CN6
CN4
CN3
CN2
CN1
YAD
Controller on a
Genus Network
screen
white
black
CN7
Controller on a
Woodley Network
Controller
(Fig. 2)
Position of probes should be in accordance
with coil manufacturers instructions
Defrost
Door
open
Closed
5k
If gas defrost is
required, connect N/C S.G.V. to
Relay 3 N/C contact