FAQ on constant temperature baths

	What kind of refrigerant is used in the products and how much is the amount?
	The device gradually weakened and became completely unable to cool. The compressor is now seems to be working under 0°C.
	We are currently using BL71 or BH300 for keeping the paint under the constant temperature. Can we use CL100 or 400 as a substitute? We only lower the temperature up to 10°C.
	Can we change the flow rate with the standard device? We want to increase the flow rate.
	We supply the cooling water from the chiller. The chiller has a lot of rust and we want to use the rust preventives. The rust preventives we want to use this time reacts to the aluminum. Can we use this rust preventives?
	Can we use the constant temperature water bath with the temperature set at 22°C?
	Please tell us which immersion cooler (cooling device) best match BK53.
	We use this device with two heaters of "100V/50W". But the "Error 3" is displayed. It can operate by using large-capacity heater. What is the cause?