Thermo King SLXi Spectrum, Maintenance Manual

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Multi-Temperature Refrigeration System Diagrams 16-2
SL TCI, OR SPECTRUM
Zone 1* on Cool and Zone 2** on Cool
Z-1 Zone 1 Evaporator* (Host Unit): COOL
1. Liquid Line Solenoid (LLS) – Open
2. Liquid Return Check Valve (LRCV) – Closed
3. Suction Line Check Valve (SLCV) – Open
4. Suction Line Solenoid (SLS) – Open
5. Hot Gas Solenoid (HGS) – Closed
6. Condenser Inlet Solenoid (CIS) – Open
7. Condenser Inlet Check Valve (CICV) – Open
8. Receiver Tank Pressure Solenoid (RTPS) –
Closed
9. Condenser Check Valve (CCV) – Open
10. Bypass Hand Valve
11. Purge Valve (PV) – Closed
12. Purge Check Valve (PCV) – Closed
Z-2 Zone 2 Evaporator**: COOL
1C. Zone 2 (or Rear) Liquid Line Solenoid (LLS2 or
RLLS) – Open
2C. Zone 2 (or Rear) Liquid Return Check Valve
(LRCV2 or RLRCV) – Closed
3C. Zone 2 (or Rear) Suction Line Check Valve
(SLCV2 or RSLCV) – Open
4C. Zone 2 (or Rear) Suction Line Solenoid (SLS2 or
RSLS) – Open
5C. Zone 2 (or Rear) Hot Gas Solenoid (HGS2 or
RHGS) – Closed
*Also called Front Evaporator
**Also called Rear Evaporator