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PSY130 EXAM LATEST UDATED
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PSY130 EXAM LATEST UDATED...
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PSY130 EXAM LATEST UDATEDThe desired condensing temperature is 80 degrees to 98 degrees refrigerant R404A
control has cut in and cut out cut in is set at________Psig - ANSWER 230
Using an EPR to control space temperature with an R 22 system. desired space
temperature is 36 degrees
The EPR setting is________ psig - ANSWER 39
this control is used to operate a system if the condenser is located in a low ambient
space. - ANSWER automatic pump-down system
System R404A
Control type to control space temperature: Low-pressure control
Control has high event and low event
Space temp needs to range between 5 degrees and 0 degrees
High event would be set at_______ psig - ANSWER 38
This control is a mechanical control located in the suction line, it protects the
compressor from excessive suction pressure during hot box pull-down. - ANSWER
CPR
An R134A system with an adjustable high-pressure control manual reset type in
Raleigh Ne would have the cut-out set at_____psig - ANSWER 275
The desired condensing temperature is 80 degrees to 98 degrees
refrigerant R404A
control has cut in and cut out is set at________psig - ANSWER 175
Which of the following controls are operational only - ANSWER Headmaster
CPR
Sorit
, EPR
Fan cycle
The oil safety control should be the last power passing control in the control circuit
- ANSWER True
A fan cylce control is used to maintain________ in the winter time - ANSWER
High side pressure
An R22 system with an adjustable high-pressure control manual reset type in
Raleigh Ne would have the cut-out set at_______psig - ANSWER 380
The desired condensing temperature is 85 degrees to 104 degrees
refrigerant R404A
control has cut in and differential cut in is set at_____ psig - ANSWER 250
Which of the following controls are electromechanical only - ANSWER Fan cycle
Low pressure
Sorit
Oil failure
High pressure
You have and R22 system and a low ambient condition. It is using a fan cycle
control to contrgl highsids pressurg. I want to maintain my condensing temp
between 110 and 111 degrees F
Where would I set my cut in - ANSWER 230
This control is mechanical control located in high side of the system . It will stack
liquid in the condenser . It is adjustable - ANSWER ORI
This control is wired on the low side of the system and is a close on pressure rise. -
ANSWER Low pressure
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