Greenheck Fan Part #470655 Table of Contents, Clearance to Combustibles / Service Clearances

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Table of Contents

Table of Contents

Installation

Clearance to Combustibles/Service Clearances. . 3 Indoor Unit. . . . . . . . . . . . . . . . 4

Unit Arrangement DB / HZ. . . . . . . . .5 Diffuser.. . . . . . . . . . . . . . . . . 6 Remote Panel (TSCP) . . . . . . . . . . . . 6 Electrical Wiring. . . . . . . . . . . . . . 7 Gas Piping. . . . . . . . . . . . . . . .8-9

Start-Up

Blower . . . . . . . . . . . . . . . . .9-10 Direct Gas . . . . . . . . . . . . . . .11-14

100% Outdoor Air. . . . . . . . . . .11 50/50 Recirculation . . . . . . . . . . . 12

Operation

Electrical without 7-Day Timer	15
Electrical with 7-Day Timer	16

Troubleshooting

Blower . . . . . . . . . . . . . . . . . 17 Motor. . . . . . . . . . . . . . . . . . 18 Insufficient Airflow / Too Much Airflow . . . . . 19 Excessive Noise or Vibration. . . . . . . . . 20

Heater. . . . . . . . . . . . . . . .21-23

Maintenance

Routine.. . . . . . . . . . . . . . . 24-25 Fall. . . . . . . . . . . . . . . . . . . 26

Reference

Gas Train Layout, 400-800 MBH. . . . . . . 27 Gas Train Layout, > 800 MBH . . . . . . . . 27 Control Center Layout / Dirty Filter Switch. . . 28 Start-Up Check List. . . . . . . . . . . . 29 Maintenance Log. . . . . . . . . . . . 30-31 Warranty.. . . . . . . . . . . . . Backcover

Clearance to Combustibles / Service Clearances

	Floor	Top	Sides	Ends

Insulated/	0 inches	0 inches	0 inches	0 inches
Units	(0 mm)	(0 mm)	(0 mm)	(0 mm)
Non Insulated	0 inches	6 inches	6 inches	6 inches
Units	(0 mm)	(152.4 mm)	(152.4 mm)	(152.4 mm)

Clearance to combustibles is defined as the minimum distance required between the heater and adjacent combustible surfaces to ensure the adjacent surface’s temperature does not exceed 90 degrees above the ambient temperature.

Recommended Minimum Service Clearances

	Housing 32 and less	42 inches (1066.8 mm)
	Housing 32 and less	on the controls side of the unit
		on the controls side of the unit
	Housing 35 and higher	48 inches (1219.2 mm)
	Housing 35 and higher	on the controls side of the unit
		on the controls side of the unit

Clearances for component removal may be greater than the service clearances listed.

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DGX Industrial Space Heating 3

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Contents 3.Extinguish any open flame General Safety Information2.Do not touch electrical switches If you smell gas 1.Open windowsHandling Inspection and Maintenance during StorageReceiving UnpackingTroubleshooting Table of ContentsClearance to Combustibles / Service Clearances Installation3. Seal Wall Opening Installation of Indoor Unit1. Install Hangers 2. Install Unit4. Install Unit Installation of Arrangement DB / HZ1.Install Curb and/or Equipment Supports 2. Install DuctworkAirflow Installation of Diffuser and Remote Panel TSCP1. Install Diffuser 2. Install TSCP4. Wire the Optional Convenience Outlet Installation of Electrical Wiring1.Determine the Size of the Main Power Lines 3.Connect the Main Power3. Connect the Supply Gas Line Installation of Gas Piping2.Install Additional Regulator if Required 1.Determine the Supply Gas RequirementsPre Start-UpCheck Start-Up- Blower4. Pipe the Optional Vent Line 5. Test the System for Leaks4. Motor Check 5.Air Volume Measurement and Check2.Check the Blower Rotation 3. Check for Vibration4a. Set the Burner Air Pressure Differential Start-UpDirect GasStart-UpDirect Gas • 100% Outside Air 1. Check the Supply Gas Pressure6. Set the Maximum Firing Rate Start-UpDirect Gas 50/50 Recirculation4b. Set the Burner Air Pressure Differential 5. Set the Low Fire Time Delay8. Set Daytime Temperature Start-UpDirect Gas continuedRegulators and Modulating Valves 7. Set the Minimum Firing RateFlame Signal Check 11.Flame Signal Check9. Set Nighttime Temperature 10.Program the 7 Day Time Clock3.Flame Safeguard FSG Sequence Without 7-DayTimer1.Switch S2 in Summer Mode 2.Switch S2 in Winter Mode3.Flame Safeguard FSG Sequence Operation - Electrical Sequence With 7-DayTimer1.Switch S2 in Summer Mode 2.Switch S2 in Winter ModeReset TroubleshootingBlower Does Not Operate Turn Supply Switch S2 OnReference Blower Start-Up- Step #2 Motor OverampsTroubleshooting Reference Blower Start-Up- Step #5Reference Filters in the Maintenance section Insufficient AirflowToo Much Airflow TroubleshootingExcessive Noise or Vibration TroubleshootingReference Bearings in the Maintenance section Wire Heat Switch S4 Heater Does Not OperateTroubleshooting Turn Heat Switch S4 OnHeater Does Not Operate TroubleshootingUncross wires and reconnect If problems remain, consult the factoryReference Direct Gas Start-Up- Step #11 TroubleshootingAdjust drives as needed Heater Does Not OperateWheels Maintenance - RoutineSnow Accumulation MotorsFilters BearingsGas Train Maintenance - FallHigh Limit BurnerReference Typical Gas Train Layout 400 – 800 MBHDGX Industrial Space Heating 28 DGX Industrial Space Heating Dirty Filter SwitchTypical Control Center Layout ReferenceReference Start-UpChecklistTypical setting 5 minutes 45ºF Typical setting variesMaintenance Log Maintenance Log Copyright 2012 Greenheck Fan Corporation Warranty