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Honeywell 190887-EET Installation Manual Page 11

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Product Part No:
• Universal Controller * with Elm probes:
• Universal Controller ** with PT 1000 probes: 191126
Features:
• Controls and monitors High Temp. and Low Temp. ST case
• Features a Solid State Relay, which controls an 'Electronic
Expansion Valve', for improved temperature control
• Genus or alternative network compatible
• Full defrost control
Associated Documents:
∗ Datasheet:
∗ DIN Box Display:
∗ Set-up Unit:
∗ Using Probe Clips:
∗ Health and Safety:
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.
Controller
(Fig. 2)
Case lights /
Alarm wired to Relay 5 N/C
blinds
contact if bit switch 3 is ON
Fans wired to Relay 4
N/C contact if bit switch
4 is OFF, or to N/O
contact if bit
switch 4 is ON
If gas defrost is
Defrost heater
required, connect
N/C S.G.V. to
Relay 3 N/C contact
Suction line
valve
Electronic expansion valve
Mains
Supply
Bit Switch Settings (Fig. 1) : (Shaded area = Switch Position)
ZD 10070-EET
ZF 0920-DIN
Genus network
ZF 0795-DAD
Elm Probes *
ZG 56003
controller part no. 190887
ZG 1056
Relay 5 switches lights
DIN Display Buttons
Active
ST case option
LT Range (Frozen Food)
CN6
Relay
5
CN5
Relay
4
CN4
Relay
3
CN3
Relay
2
CN2
Relay
1
EET
CN1
E
L
N
white
CN7
black
screen
Controller on a
Woodley Network
Note: This simplified wiring diagram omits circuit protection
190887
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
1
2
3
4
5
6
7
8
Connection to valve driver board
CN15
CN14
P1
CN13
CN12
CN11
CN10
CN9
8
7
Bit switches
6
5
4
3
2
1
ON
P2
CN8
CN7
Controller on a
Genus Network
Universal Controller - EET
ZA-10067-EET
Issue a : 14/5/97
Warning !
Off
On
Alternative network
PT 1000 Probes **
controller part no. 191126
Relay 5 Switches Alarm
DIN Display Buttons
Inactive
HT Range (Fresh Food)
Position of probes should be in accordance
Temperature Probes -
with case manufacturers instructions
(P6) Logging
(P5) Defrost terminate
(P4) Evaporator out
(P3) Evaporator in
(P2) Air off
(P1) Air on
Defrost
+
PAGE
SELECT
PAGE
HOME
5k
10k
OPTIONS
EXECUTE
Fans
Case
Normal
only
off
Setup unit extension cable
red
white
yellow
green
-1.5
blue
Ent
DIN Box Display
green
black
white
red
screen
Previous
controller
Genus or alternative
Network cable
ST Case
.
not required if
'Fans in Defrost'
is set to ON
Setup
Unit
Alarm
Network
Defrost
Esc
Next
controller

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