Superheat And Suction Pressure Troubleshooting Guide; Low Suction Pressure And High Superheat; High Suction Pressure And Low Superheat; Low Suction Pressure And Low Superheat - Data Aire gPod Installation, Operation & Maintenance Manual

Installation, Operation and Maintenance Manual

12 Superheat and Suction Pressure Troubleshooting Guide

Low Suction Pressure and High Superheat

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High Suction Pressure and Low Superheat

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Low Suction Pressure and Low Superheat

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Moisture, wax, dirt in system
High superheat adjustment
Gas charge condensation
Dead thermostatic element charge
Wrong thermostatic charge
Evaporator pressure drop – no external equalizer
External equalizer location
Restricted or capped external equalizer
Low refrigerant charge
Liquid line vapor
a. Vertical lift
b. High friction loss
c. Long or small line
d. Plugged drier or strainer
Low pressure across valve
a. Vertical lift
b. Undersized distributor nozzle or circuits
c. Low condensing temperature
TXV seat leaking
Low superheat adjustment
Improper bulb installation
a. Poor thermal contact
b. Warm location
Wrong thermostatic charge
Bad compressor – low capacity
Moisture, wax, dirt in system
Incorrectly located external equalizer
Low load
a. Insufficient air flow
b. Dirty air filters
c. Coil icing
Poor air distribution
Poor refrigerant distribution
Improper compressor/evaporator balance
Evaporator oil logged
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