Comfort-Aire WDG Air Handler Series - Manual (Page 17)

17
Installation, Operation & Maintenance WDG AIR HANDLER SERIES Heat Controller, LLC
1. These Air Handlers are shipped from the factory wired for
230 volts. The units may be wired for 208 or 115 volts. Follow
instructions on unit wiring diagram located on blower housing
and in the Service Facts document included with the unit.
2. The selection of wire and fuse sizes should be made according
to the Minimum Branch Circuit Ampacity and the Maximum
Overcurrent Device listed on the unit nameplate.
3. Field wiring diagrams for electric heaters and unit accessories
are shipped with the accessory.
4. Wiring must conform to National and Local codes.
5. Ground unit per local codes with good safety procedures.
NOTE: If air handler is used with or without a heater,
the electrical entry hole as well as any other cabinet
penetrations must be sealed air-tight.
Wiring Instructions for 115 volt Conversion from 230 volt
1. Disconnect all power to the unit.
2. Disconnect Transformer primary orange wire from power
block T2 and insulate open end of wire. Connect the white
lead from transformer primary wire to power block terminal T2.
Note: (L2 will be used as Netural)
3. Remove plug in ECM power wiring harness (Fig. 8) and Install
2 pin jumper plug provided in control box (Fig. 9).
NOTE: When supplementary heaters are installed,
inspect to insure that all packaging material has been
removed.
Electrical - Power Wiring
WARNING!
Figure 8: Remove Harness Plug
Figure 9: Install Two Pin Jumper Plug
Note: For 115V power only. Damage will occur to motor with
230V power supply if 115V jumper is used.
Table 3: Electric Table
WARNING! Electrical shock hazard - Lock unit disconnect
switch in open position before servicing unit. Failure to follow
this warning could result in property damage, personal injury,
or death.
Model
Volt Code
208/230
Rated Voltage
Dual Rated
(115) 208/230
Voltage Min/
Max Dual
Rated
(115) 208/230
Fan
Motor
FLA
Fan
Motor
HP
Max
Fan
ESP
Min Circ
Amp
(115)
208/230
Total
Unit
FLA
Max Fuse/
HACR
(115)
208/230
024 1 (115) 208/230
(114/132)
197/254
(7.7) 4.3 1/2 1.0 (7.8) 4.9 (7.7) 4.3 (15) 15
036 1 (115) 208/230
(114/132)
197/254
(7.7) 4.3 1/2 0.9 (7.8) 4.9 (7.7) 4.3 (15) 15
048 1 (115) 208/230
(114/132)
197/254
(12.8) 7 1 1.0 (14.4) 8.6 (12.8) 7 (25) 15
060 1 (115) 208/230
(114/132)
197/254
(12.8) 7 1 0.7 (14.4) 8.6 (12.8) 7 (25) 15
Rated Voltage of 208/230/60/1, fi eld convertible to 115V.