When used on a heat pipe heat recovery system, face and bypass damper control can be used to do which of the following?
1. prevent frost formation
2. limit heat recovery
3. dehumidify
4. provide low start up load
a) 1,2
b) 3,4
c) 1,2,3
d) 2,3,4
e) 1,2,3,4
Answer: A