CoolingTower:SingleSpeed forward translates design approach temperature as design temperature range

[eringold]

Issue overview

Reported here: https://unmethours.com/question/100820/error-when-autosizing-the-load-for-cooling-tower/

Current Behavior

designApproachTemperature set to DesignRangeTemperature:

OpenStudio/src/energyplus/ForwardTranslator/ForwardTranslateCoolingTowerSingleSpeed.cpp

Lines 253 to 257 in 0314c3e

	if (modelObject.isDesignRangeTemperatureAutosized()) {
	idfObject.setString(openstudio::CoolingTower_SingleSpeedFields::DesignRangeTemperature, "Autosize");
	} else if ((d = modelObject.designApproachTemperature())) {
	idfObject.setDouble(openstudio::CoolingTower_SingleSpeedFields::DesignRangeTemperature, d.get());
	}

Steps to Reproduce

ct = OpenStudio::Model::CoolingTowerSingleSpeed.new(model)
ct.setDesignApproachTemperature(4)
ct.setDesignRangeTemperature(5)

=> FT => 

CoolingTower:SingleSpeed,
   ...
  4,                                      !- Design Approach Temperature {deltaC}
  4,                                      !- Design Range Temperature {deltaC}

Possible Solution

Details

Environment

Some additional details about your environment for this issue (if relevant):

• Version of OpenStudio (if using an intermediate build, include SHA): 3.9.0