Edwards TCU 40/80 - Page 38

7.8.4 System check
Component settings
Motor overload setting (K3)
Current sensing relay setting (CSR)
Thermostat setting (TS1)
High pressure switch setting (PS1)
3.S amps
25 amps
210°F (Differential set at 10°F)
300 psig. (Differential set at 40 psig)
Power-up conditions
• Power cord connected to mains power supply.
• All circuit breakers on.
• EMO released.
• Drawer interlock switch in maintenance position.
• Host connector J72J2 installed (pins 5 & 6 shorted).
• READY lamp on.
Indicator
Relays
LEDs
Power
Reset
PMR
Current sensing relay
Condition
All off
All off
On
Off
Green
Off
Note: REMOTE RTD is optional. LED will be green if used.
Reset button
1. Press RESET.
2. Verify contactor Kl engages.
3. Verify LED indicator on PMR is green.
\
Indicator
Relays
LEDs
Power
Reset
PMR
Current sensing relay
Condition
CR4on
all others off
FACILTITY POWER, FACILITY WATER, CIRCUIT BREAKERS,
COOLANT TEMPERATURE, COOLANT NORMAL LEVEL, green
COMPRESSOR, COOLANT FLOW,, COOLANT LOW LEVEL, REMOTE
RTD off
On
On
Green
Off
Note: REMOTE RTD is optional. LED will be green if used.
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TCU 40/80 Temperature Control Unit