Trane WC-IOM-7 manual ReliaTel Refrigeration Module Rtrm Default Chart

Page 54

Troubleshooting

4.Verify all modes of operation, by running the unit through all of the steps in the “Test Modes” section discussed in “Unit Start-Up”.

5.After verifying proper unit operation, exit the test mode. Turn the fan on continuously at the ZSM, by pressing the button with the fan symbol. If the fan comes on and runs continuously, the ZSM is good. If you are not able to turn the fan on, the ZSM is defective.\

Table 9.	System mode and fan selection chart

Resistance Valves		Zone Sensor		Local Fan
(Ohms)		Unit/Fan Mode	Local Unit Mode	Mode

2.32K		Off/ Auto	Off	Auto

4.87K		Cool/Auto	Cool	Auto

7.68K		Auto/Auto	Auto	Auto

10.77K		Off/On	Off	On

13.32K		Cool/On	Cool	On

16.13K		Auto/On	Auto	On

19.48K		Heat/Auto	Heat	Auto

27.93K		Heat/On	Heat	On

35.0K		Emergency Heat/Auto	Emergency Heat	Auto

43.45K		Emergency Heat/On	Emergency Heat	On

Out of Range (Short)		INVALID/Short	Invalid (CV), Auto (VAV)	Invalid

Out of Range (Open)		INVALID/Open	Invalid (CV), Off (VAV)	Invalid

ReliaTel Refrigeration Module (RTRM) Default Chart

If the RTCI loses input from the building management system, the RTRM will control in the default mode after approximately 15 minutes. If the RTRM loses the Heating and Cooling setpoint input, the RTRM will control in the default mode instantaneously. The temperature sensing thermistor in the Zone Sensor Module is the only component required for the “Default Mode” to operate.

Unit Operation without a Zone Sensor

This procedure is for temporary operation only. The economizer and condenser fan cycling functions are disabled.

1.Open and Lock the unit disconnect switch.

2.Remove the Outside Air Sensor (OAS) from the condenser section of unit.

3.Use two (2) wire nuts, to individually cap the wires.

4.Locate the RTRM (J6). Connect two (2) wires to terminals J6-1 and 2.

5.Connect the sensor (OAS) using two wire nuts to the two (2) field supplied wires that were connected to terminals 1 and 2 on J6.

54	Packaged Heat Pump • WC-IOM-7

Image 54

Contents Packaged Heat Pump DecemberModel Number Description Contains Refrigerant Hazardous Voltage w/CapacitorsEquipment Damage From Ultraviolet UV Lights Contents Contents Model Number Description General Information Rlci ReliaTel LonTalk Communication Interface Optional Clogged Filter Switch OptionalGeneral Information Rtom ReliaTel Options Module OptionalLow Pressure Control Compressor Disable CPR1/2Power Exhaust Control Optional High Pressure Control OptionalZone Sensor Module ZSM BAYSENS009B Lead/Lag Control Dual Circuit OnlyZone Sensor Module ZSM BAYSENS007B Zone Sensor BAYSENS011BRemote Zone Sensor BAYSENS014C High Temperature Sensor BAYFRST001ARemote Zone Sensor BAYSENS013C Remote Zone Sensor BAYSENS016AUnit Inspection Smoke Detector Sensor OptionalFiberglass Wool First Aid MeasuresStorage Unit Clearances Unit Dimensions Unit Dimensions Unit Dimensional Data 12 1/2 Ton, 15 TonUnit Dimensional Data 20 Ton Horizontal Duct Dimensional Data 12 1/2 Ton, 15 Ton Heavy Objects Improper Unit LiftRigging Horizontal Units InstallationIf a Curb Accessory Kit is not used DuctworkMain Electrical Power Requirements InstallationFactory Installed Economizer Low Voltage Wiring AC & DC RequirementsCondensate Drain Configuration Filter InstallationField Installed Power Wiring Optional Tbue Wiring Through the Base Electrical Option Main Unit PowerStandard Wiring Use Copper Conductors OnlyField Installed Control Wiring Control Power TransformerHazardous Voltage Controls using 24 VAC Rtrm Smoke Detector Customer Low Voltage Wiring Smoke detector wiringInstallation Space Temperature Averaging Temperature vs. Resistance Voltage Imbalance Electrical Phasing Three Phase Motors Live Electrical ComponentsCompressor Crankcase Heaters Optional ReliaTel Controls Pre-Start Test ModesPre-Start Verifying Proper Air Flow Units with Belt Drive Indoor FanReturn Air Smoke Detector Rotating Components Start UpEconomizer Start-Up Compressor Start-UpStart Up Heating Start-UpScroll Compressors Final System Setup Maintenance Fan Belt Adjustment Belt Drive UnitsMaintenance Monthly Maintenance Hazardous VoltageReturn Air Smoke Detector Maintenance Cooling SeasonFilters Coil Cleaning Heating SeasonHazardous Pressures Final ProcessSample maintenance log Troubleshooting Hazardous Service ProceduresReliaTel Control Troubleshooting System Status Checkout ProcedureSystem Failure MethodResetting Cooling and Heating Lockouts Heat FailureCool Failure Zone Temperature Sensor ZTS Service Indicator Clogged Filter SwitchFan Failure Switch Test Cooling Set Point CSP and Heating Set Point HSP ZtempTest System Mode and Fan Selection Testing serial communication voltageProgrammable & Digital Zone Sensor Test ReliaTel Refrigeration Module Rtrm Default Chart Unit Operation without a Zone SensorUnit Economizer Control ECA Troubleshooting ReliaTel Control Wiring Diagrams Drawing Number DescriptionWarranty Heat PumpWarranty Page WC-IOM-7