Trane S*HF*20-75 Troubleshooting Manual page 109

Condenser Fan Speed (MCM 1)
Circuit 1 0%
Note: "Circuit 2" only shown for DX Cooling > 40 Tons.
• Press Next/Previous keys to navigate.
Compressor Relays
K10: OFF K11: OFF
• Press Next/Previous keys to navigate.
Compressor Relays (MCM 1)
K11: OFF K12: OFF
• Press Next/Previous keys to navigate.
Reheat Coil Pumpout Relay:
Reheat Pumpout Solenoid/Valve:
Note:
1. "Relay:" may be adjusted manually only when compressors are set
to OFF. Otherwise the value is set automatically as a function of
Reheat Valve Position set below.
2. "Solenoid/Valve:" is a display only field.
• Press Next/Previous keys to navigate.
Dehumid Reheat
Dehumid Cooling Valve Position:
Note:
1. With all compressors on the reheat circuit set to OFF, the "Reheat
Valve Position" can be set to any value between 0 and 100%. Once
a compressor on the circuit is turned ON, the values allowed will be
between 15 and 85%.
2. "Cooling Valve Position" is display only. This value is the reverse
that of the "Reheat Valve Position".
ex. CVP = 100% - RVP
• Press Next/Previous keys to navigate.
RT-SVP07B-EN
Circuit 2
K3: OFF
Valve Position:
SERVICE MODE Menu (Local Human Interface only)
Used With: Units w/DX Cooling and
Airside Condensers Installed
0%
Possible Values: AUTO, 0 to 100%
Used With: Units w/DX Cooling < 40
Tons
Possible Values: OFF, ON
Used With: Units w/DX Cooling > 40
Tons
K4: OFF
Possible Values: OFF, ON
Used With: Units w/Dehumidification
ON
Option
CLOSED
Factory Preset:
Relay: ON
Solenoid Valve: CLOSED (Display Only)
Possible Values:
Reheat Relay: ON, OFF
Solenoid Valve: (Display Only)
OPEN – when Relay set to OFF
CLOSED – when Relay set to ON
Used With: Units w/Dehumidification
0%
Option
100%
Factory Preset:
Reheat Valve: 0%
Cooling Valve: 100% (Display Only)
Possible Values:
Reheat Valve: 0 to 100%
Cooling Valve: 100 to 0% (Display
Only)
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