Trane S*HF*20-75 Troubleshooting Manual page 111

Modulating Gas Heat
Actuator
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Heat Stages: 0
K11: OFF
Table 10: Electric Heat Relay States
All Units
Gas Heat
Stage K11 K12 K1 K11 K12
OFF OFF OFF OFF
Stage 1 ON ON OFF
Stage 2 ON ON ON
Stage 3
Stage 4
Stage 5
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OA Damper: 0%
"OA Damper" shown if Economizer or 25% Damper installed.
"Exhaust Damper" shown if Power Exhaust w/Statitrac installed.
"Exhaust Fan" shown if Power Exhaust w/o Return Fan installed.
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Ventilation Override Module Output Relay
OFF
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VCM Preheater State
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GBAS 0-5VDC Module Relay Outputs
#1 OFF #2 OFF
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RT-SVP07B-EN
K12: OFF K1: OFF
IntelliPak I
Electric Heat
K1 K11
OFF OFF OFF OFF
ON OFF OFF ON
ON ON OFF ON
ON ON ON ON
Exhaust Damper:
Exhaust Fan:
#3 OFF #4 OFF
SERVICE MODE Menu (Local Human Interface only)
Used With: Modulating Gas Heat Units,
(If Air Handler Unit, Chill Water Is Not
0%
Installed)
Possible Values: 0 to 100%
Used With: Units w/Staged Gas or
Electric Heat Option
Possible Values:
Stages: 0, 1, 2, 3, 4, 5
[Config. Dependent-see "
Electric Heat Relay
IntelliPak II
90 KW 140 KW
K12 K1 K11
OFF OFF OFF
OFF OFF ON
ON OFF OFF
ON ON ON
ON
Used With: All Units
0%
Possible Values:
OFF
OA Damper:
0 to 100% (Economizer Option)
0 to 25% (Motorized Damper Option)
Exhaust Damper: 0 to 100%
Exhaust fan: OFF, ON
Used With: Units w/VOM Option
Possible Values: ON, OFF
Used With: Units w/Fresh Air
OFF
Measurement (VCM) Option
Possible Values: ON, OFF
Used With: Units w/GBAS(5VDC)
Option
#5 OFF
Possible Values: ON, OFF
Table 10:
States"]
265/300 KW
K12 K1 K11 K12
OFF OFF OFF
OFF OFF ON
ON OFF OFF
ON OFF ON
ON ON OFF
ON
K1
OFF OFF
OFF OFF
ON OFF
ON OFF
ON ON
ON ON
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