1. Defrost Time Power Status Lamp (ON): Timer is powered along with
refrigeration system whenever green power status lamp is lit.
2. Defrost Status Lamp: Cooling coil is being defrosted whenever yellow
defrost status lamp is ON. Hot gas is being bypassed through the iced
coil. When ice on the coil has melted, defrost cycle ends automatically.
3. Fan Delay Status Lamp: During defrost timer power-up and after
defrost cycle, the circulating fan is locked off for a 1½ minute delay.
Green fan status lamp flashes during this fan-delay period.
MaxQ 5000 Shaker 5-11
Thermo Scientific
Section 5
Operation
Optional Refrig.
System (continued)
o
o
o
1
2
3
Figure 5-5.
Optional Refrigeration Controls
