Thermo King SLXi Spectrum, Maintenance Manual

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Unit Description 5-7
Electric Operation
Continuous Mode
1
• Cool
• Null
2
• Heat 3, 4
• Defrost
1 Fuelsaver I, Modulation and CYCLE-SENTRY are locked out on electric standby operation.
2 The drive motor and compressor do NOT operate during the Null mode.
3
Heat is delayed for 8 minutes on units with Fuelsaver II (or TG-V controller). Exceptions: Initial unit start-up.
4
Null if setpoint is below -9.5 C.
Defrost
The Defrost mode can be initiated any time the evaporator coil temperature is below 6 C (3 C on units with TG-IV controller).
Defrost is initiated automatically by the defrost air switch and defrost timer. Defrost is initiated manually by pressing the manual
defrost switch.
Basic Operating Modes – Electric Operation
1. Setpoint
2. Temperature Decrease
3. Temperature Increase
A. Cool
B. Null
C. Heat