Emerson ZX - The Defrost Module; Defrost Module details

13.2 The Defrost Module
This factory supplied option provides a basic time initiated, time terminated defrost controller. It is
located on the left hand side of the electrical panel inside the top of the compressor compartment.
It includes a manual actuating button for the customer to override the initiation settings at any time.
This button also initiates defrost in the case when an iced-up call needs to be de-iced immediately.
Refer to Fig.20 where the main components have been identified.
Defrost Interval
Defrost Duration Switch
Manual Defrost Button
Remote Manual Defrost Button
Connector
8 Pin Communication Connecto
r
( to E2 Board)
Fig.21 Defrost Module details
The two rotary switches (SW1 & SW2) are for setting the defrost interval between defrosts and
defrost duration respectively. The table below (Fig.21) conveys the valves for each setting of each
switch
.
Fig. 22 Defrost Module settings
SW1 Interval between Defrosts (hours) SW2 Defrost Duration (minutes)
0 No Defrost 0 No Defrost
1115
22210
33315
44420
55525
66630
77735
42