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18-GD07D1-5

Installer’s Guide

2/4TGB AIR HANDLERS WITH SINGLE STAGE COOLING AND TWO STAGE HEATING 

2/4TGB AIR HANDLERS WITH SINGLE SPEED HEAT PUMP

From Dwg. B801081 Rev. 2

Summary of Contents for 2/4TGB3F42A

Page 1: ...horizontal left configuration only Refer to Section B beginning on page 2 for additional information INSPECTION Check carefully for any shipping damage This must be reported to and claims made against the transporta tion company immediately Check to be sure all major components are in the unit Any missing parts should be reported to your supplier at once and replaced with authorized parts only 3 1...

Page 2: ... proper installation the following items must be con sidered 1 If adequate power is available and correct accord ing to nameplate specifications 2 Pursuant to Florida Building Code 13 610 2 A 2 1 this unit meets the criteria for a factory sealed air handler 3 Insulate all ducts particularly if unit is located outside of the conditioned space 4 To ensure maximum efficiency and system performance th...

Page 3: ...cted to the unit with flame retardant duct connectors Convertible duct flanges are provided to make a flush fit for or 1 1 2 ductboard applications Three are located in the accessory kit shipped with the unit and one is installed on the discharge opening If the duct flanges are not needed the installed flange must be removed See the Outline drawing for sizes of the dis charge opening After ductwor...

Page 4: ...ction 4 It is recommended that a clean out tee or cross be installed in the primary drain line for future main tenance See Figure 4 5 5 Do not use reducing fittings in the condensate drain lines 6 Slope the drain lines downward a minimum of 1 4 per foot 7 Insulate the primary drain to prevent sweating Field fabricated trap 2 MIN 2 MIN CAP OR PLUG Trap must be within 4 of air handler condensate dra...

Page 5: ... to it The electrical connections are made using the two power leads and ground wire connections which are located near the discharge of the blower 2 4TGB AIR HANDLERS WITH SINGLE STAGE COOLING 1 STAGE HEAT NOTE If air handler is used with or without a heater the 7 8 electrical entry hole as well as any other cabi net penetrations must be sealed air tight H CONTROL WIRING 1 Connect wiring between ...

Page 6: ...6 18 GD07D1 5 Installer s Guide 2 4TGB AIR HANDLERS WITH SINGLE STAGE COOLING AND TWO STAGE HEATING 2 4TGB AIR HANDLERS WITH SINGLE SPEED HEAT PUMP From Dwg B801081 Rev 2 ...

Page 7: ...18 GD07D1 5 7 Installer s Guide OUTLINE DRAWING FOR 2 4TGB3F42 48A From Drawing D810126P01 Rev 2 ...

Page 8: ...nts per unit nameplate 8 Check filters for proper size Inform owner of proper procedure for removal and reinstallation 9 Energize the system and carefully observe its opera tion make any necessary adjustment 10 Instruct owner engineer if possible on proper operating procedure and leave Use and Care Manual with owner SUPPLEMENTARY HEATERS CHECKOUT PROCEDURES IF a heater is USED see limitations and ...

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