Greenheck IG / IGX (464104 IOM) (Pre-2009) - Manual (Page 20)

20
Installation
Step 5 Wire the Accessories
Reference the ladder diagram in the control center for
correct wiring of the following accessories:
Step 6 Wire Optional Evaporative Cooler
Reference the ladder diagram on the inside of the control center door for correct wiring of the pump and the
optional auto-drain and flush. If the Water Wizard was selected, the temperature sensor may need to be wired,
refer to the Water Wizard start-up.
Step 7 Install Optional Economizer Sensors
All economizer options (EC) require an outdoor air temperature or enthalpy sensor to be field installed inside of
the weatherhood and field wired to terminals SO+ and SO- on the economizer.
Economizer options EC-3 and EC-4 require an outdoor air temperature or enthalpy sensor to be field installed in
the return air duct and field wired to terminals SR+ and SR- on the economizer.
The sensors are provided by the factory and ship with the unit.
NOTE!
Large evaporative coolers may require a separate power supply.
NOTE!
The TSCP and KSCP remote panels have number-to-number wiring.
NOTE!
Wiring to the Selectrastat or room override
should be in separate conduit or run with
shielded cable.
Installation - Electrical Wiring
• Selectrastat
• Room Override
• Blower Switch
• Heat Switch
• Indicating Lights • Dirty Filter Indicator
• TSCP
• KSCP
• Mixing Box Actuator
• Room Stat
Step 4 Wire the Convenience Outlet (Optional)
The optional convenience outlet requires a separate 115V power supply circuit with short circuit protection by
others.