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Figure 63. Wiring change
Connecting Desired Speed-tap Wire
5. For units without hot gas reheat, select desired speed-
tap wire. Connect desired speed tap wire to 1K4 relay
at spade 3.
6. For units with hot gas reheat, select desired speed-tap
wire. Connect desired speed tap wire to 1K8 relay at
spade 6.
Figure 64. Connecting speed-tap wire
7. Install service front panel. Reconnect power to the unit.
Table 41.
4-speed motor (115, 208, 230, 265)
Lead Colors
Lead
Black
Speed
High
Medium High
Table 42.
3-speed motor (380, 415, 460)
Lead Colors
Lead
Black
Speed
High
Note: When using the medium or low speed tap, the purple wire must be
jumpered to the high speed tap (blk).
Table 43.
2-speed motor (575)
Lead Colors
Lead
Black
Blue
Speed
High
Low
WSHP-SVX01Q-EN
Blue
Orange
Red
Medium Low
Low
Blue
Orange
Medium
Low
Hole Plug Installation
Figure 65. Hole plug installation
1. Locate two Hayco plastic plugs enclosed with the
Installation, Operation, and Maintenance manual.
2. Use these plugs to plug the two shipping bolt holes in
the bottom of the GEV*/EXV* units after shipping bolt
removal.
Air Flow Adjustment
Note: GEH/V 6 to 25 ton units only.
To increase cfm, loosen the turns open set screw on the
sheave, and turn the sheave clockwise.To decrease cfm,
Loosen the turns open set screw on the sheave, and turn
the sheave counterclockwise.
To increase belt tension, loosen the adjustment bolt and
pull motor mounting plate back until the belt is tight.
Tighten the adjustment bolt after the belt has reached the
desired tension.
See
Figure 66, p. 62
for fan motor and sheave adjustment
WARNING
Rotating Components!
Failure to disconnect power before servicing could
result in rotating components cutting and slashing
technician which could result in death or serious injury.
Disconnect all electric power, including remote
disconnects before servicing. Follow proper lockout/
tagout procedures to ensure the power can not be
inadvertently energized.
Installation
61
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