Unit Installation With 2-Speed Indoor Fan  System Option; 48/50Hc, 50Hcq, 48/50Tc, 50Tcq, 581J/551J, 548J; 580J/558J, And 548J, Rgh/Rah, Rhh, Rgs/Ras, Rhs; Rooftop - Carrier CRDISKIT001A00 Installation Instructions Manual

Fig. 3 — ACH580 Variable Frequency Drive (VFD)
Table 1 — Carrier Model, Size and VFD Option
Indicator
MODEL SIZES
48/50TC 07-30
50TCQ 07-24
48/50HC 07-28
50HCQ 07-12
40RUA 07-30
40RUS 08-30
40RUQ 07-25
POSITION IN VFD FIOP
MODEL NUMBER INDICATOR
17 G-M
17 G-M
17 G-M
17 G-M
9 T
9 T
9 T
Table 2 — Bryant Model Size/VFD Option Indicator
MODEL SIZES
580J/558J 07-30
548J 07-24
581J/551J 07-28
549J 07-12
524J*A 07A-30A
524J*H 07H-25H
Table 3 — ICP Model Size/VFD Option Indicator
MODEL SIZES
RGS/RAS 072-336
RHS 090-240
RGH/RAH 072-303
RHH 072-120
FAS 072-300
FHS 072-240
Unit Installation with 2-Speed Indoor Fan 
System Option

48/50HC, 50HCQ, 48/50TC, 50TCQ, 581J/551J, 548J,

580J/558J, AND 548J, RGH/RAH, RHH, RGS/RAS, RHS

ROOFTOP

Refer to the base unit installation instructions for standard required
operating and service clearances.
40RU/40RUQ, 524J/524J*H, FAS/FHS WITHOUT REMOTE
VFD KEYPAD
Additional service clearance is required on the rear for
40RU/40RUQ, 524J/524J*H, FAS/FHS fan coil unit equipped
with the 2-speed indoor fan system option. Increase the recom-
mended rear panel clearance to 30 inches.
40RU/40RUQ, 524J/524J*H, FAS/FHS WITH REMOTE
VFD KEYPAD
Refer to the base unit installation instructions for standard re-
quired operating and service clearances. Install the accessory re-
mote VFD keypad before positioning the 40RU/40RUQ,
524J/524J*H, FAS/FHS 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.
3
POSITION IN VFD FIOP
MODEL NUMBER INDICATOR
17 D-E
17 D-E
17 D-E
17 D-E
9 2
9 2
POSITION IN VFD FIOP
MODEL NUMBER INDICATOR
14 T
14 T
14 T
14 T
11 2
11 2