15
Defrost Module Function Set
Time of Defrost Time of Defrost Interval
Rotary Switch1 Time(min) Rotary Switch2 Time(hours)
0 0 0 0
1 5 1 1
2 10 2 2
3 15 3 3
4 20 4 4
5 25 5 5
6 30 6 6
7 35 7 7
E2 Control Board Dip
Switch Setting
The E2 control board has two dip switches (2-bit
and 3-bit) and one rotary switch. The rotary switch
and the 2-bit dip switch are used in combination
to select the compressor used on the unit. The
selected compressor relates to the over-current-
limit for the specied unit. The 3-bit dip switch is
used if the customer chooses to use the E2 control
for evaporator fan control. Fig 15 shows the dip
switches and rotary switch in the E2 control board.
Figure 15: E2 Controller
E2 Control Board - Rotary Switch And Dip Switch Setting (ZX-MT & ZXL-LT)
Model
Rotary
Switch
3-Bit
No. 3
2-Bit
1/2
ZX0200/E-PFJ 7 OFF ON/ON
ZX0250/E-PFJ 8 OFF ON/ON
ZX0300/E-PFJ 9 OFF ON/ON
ZX0400/E-PFJ A OFF OFF/OFF
ZX0200/E-TFD 1 OFF ON/ON
ZX0300/E-TFD 2 OFF ON/ON
ZX0400/E-TFD 3 OFF ON/ON
ZX0500/E-TFD 4 OFF ON/ON
ZX0600/E-TFD 5 OFF ON/ON
ZX0750/E -
760/E-TFD
6 OFF ON/ON
ZX0200/E-TF5 1 ON ON/ON
ZX0300/E-TF5 2 ON ON/ON
ZX0400/E-TF5 3 ON ON/ON
ZX0500/E-TF5 4 ON OFF/OFF
ZX0600/E-TF5 5 ON OFF/OFF
ZX0750/E -
760/E-TF5
6 ON OFF/OFF
ZX0200/E-TF7 7 ON ON/ON
ZX0300/E-TF7 8 ON ON/ON
ZX0400/E-TF7 9 ON ON/ON
ZX0500/E-TF7 A ON ON/ON
ZX0600/E-TF7 A ON ON/ON
ZX0750/E -
760/E-TF7
B ON ON/ON
ZXL0200/E-TFD 1 OFF ON/ON
Notes: The settings given in the table are pre-set at
the factory for new units.
ON
1 2 3
OFF: Evaporator fan ON/OFF logic is same
as compressor and this is the factory
default setting.
ON: Evaporator fan will be ON for all time
irrespective of whether the compressor is
turned ON or OFF
Not applicable
Use setting in the table
Model
Rotary
Switch
3-Bit
No. 3
2-Bit
1/2
ZXL0250/E-TFD 2 OFF ON/ON
ZXL0300/E-TFD 3 OFF ON/ON
ZXL0350/E-TFD 4 OFF ON/ON
ZXL0400/E-TFD 5 OFF ON/ON
ZXL0500/E-TFD 6 OFF ON/ON
ZXL0600/E-TFD 7 OFF ON/ON
ZXL0750/E-TFD 8 OFF ON/ON
ZXL0200/E-TF5 1 ON ON/ON
ZXL0250/E-TF5 1 ON ON/ON
ZXL0300/E-TF5 2 ON ON/ON
ZXL0350/E-TF5 3 ON OFF/OFF
ZXL0400/E-TF5 4 ON OFF/OFF
ZXL0500/E-TF5 5 ON OFF/OFF
ZXL0600/E-TF5 6 ON OFF/OFF
ZXL0750/E-TF5 7 ON OFF/OFF
ZXL0200/E-TF7 8 ON ON/ON
ZXL0250/E-TF7 8 ON ON/ON
ZXL0300/E-TF7 9 ON ON/ON
ZXL0350/E-TF7 A ON ON/ON
ZXL0400/E-TF7 B ON ON/ON
ZXL0500/E-TF7 C ON ON/ON
ZXL0600/E-TF7 D ON ON/ON
ZXL0750/E-TF7 D ON ON/ON
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