3
524J WITHOUT REMOTE VFD KEYPAD
Additional service clearance is required on the rear for 524J fan
coil unit equipped with the 2-Speed Indoor Fan Motor option. In-
crease the recommended rear panel clearance to 30 inches.
524J WITH REMOTE VFD KEYPAD
Refer to the base unit installation instructions for standard required
operating and service clearances. Install the accessory remote
VFD keypad before positioning the 524J unit in its final operating
location.
NOTE: The remote VFD keypad is a field-installed option. It is
not included as part of the factory-installed VFD option.
Fig. 4 — Model Number Nomenclature Example, 580J/558J/548J/581J/551J/549J Series
Fig. 5 — Model Number Nomenclature Example, 524J Series
Model
J - Puron
®
(R-410A) Refrigerant
Unit Type
580 - Gas Heat RTU Legacy™ Series
Packaging and 2-Speed Indoor Fan Motor
D = Standard Packaging and 2-Speed Indoor
Fan Motor (VFD) Controller
E = LTL Packaging and 2-Speed Indoor Fan
Motor (VFD) Controller
Cooling Tons
Heat Level (Btuh)
Indoor Fan Options
Refrig. System/Gas Heat Options
Coil Options
Voltage
Example:
Position:
580JE08D125A1B0AD
123456789
10
11 12 13 14 15 16 17
Factory Installed Options
Outdoor Air Options
524JE16A2 00A30AAA
Product Type
1
Example:
Position: 2 3 4 5 6 7 8 9
10
11 12 13 14 15 16 17
Nominal Tons
Voltage
Type of Coil
Blower Speed
2 = Two-Speed Blower
Not Used
Not Used
Not Used
Indoor Fan Option
Not Used
Service Options
Packaging
Coil Options
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