Moisture Check; Moisture Check ; All installations and services must be performed by qualified service personnel.- Page 10
Crown CSHB60-90XE User Manual
All installations and services must be performed by qualified service personnel.
8
•
Verify fan is not in delay mode – wait until delay
complete
•
“R” missing/not connected at motor
•
Stays at high CFM
•
“R” missing/not connected at motor
•
Is fan in delay mode? – wait until delay time
complete
•
Blower won’t shut off
•
Current leakage from controls into G,Y or W?
Excessive noise
•
Determine if it’s air noise, cabinet, duct or motor
noise – interview customer, if necessary
•
Noisy blower or cabinet
•
Check for loose blower housing, panels, etc.
•
High static creating high blower speed?
Check for air whistling thru seams in ducts,
cabinets or panels
Check for cabinet/duct deformation
•
“Hunts” or “puffs” at high CFM (speed)
•
Does removing panel or filter reduce “puffing”?
Reduce restriction
Reduce max airflow
Evidence of Moisture
•
Motor failure or malfunction has occurred and
moisture is present
•
Replace motor and perform
Moisture Check
•
Evidence of moisture present inside air mover
•
Perform
Moisture Check
DO DON’T
•
Check-out motor, controls, wiring and
connections thoroughly before replacing motor
•
Automatically assume the motor is bad.
•
Orient connectors down so water can’t get in
Install “drip loops”
•
Locate connectors above 7 and 4 o’clock
positions
•
Use authorized motor and control model #’s for
replacement
•
Replace one motor or control model # with
another (unless an authorized replacement)
•
Keep static pressure to a minimum:
Recommend high efficiency, low static
filters
Recommend keeping filters clean
Design ductwork for min static, max
comfort
Look for and recommend ductwork
improvement, where necessary, in
replacement
•
Use high pressure drop filters – some have ½”
H
2
O drop!
•
Use restricted returns
•
Size the equipment wisely
•
Oversize system then compensate with low
airflow
•
Check orientation before inserting motor
connectors
•
Plug in power connector backwards
•
Force plugs
Moisture Check
•
Connectors are orientated “down” (or as recommended by equipment manufacturer)
•
Arrange harnesses with “drip loop” under motor
•
Is condensate drain plugged?
•
Check for low airflow (too much latent capacity)
•
Check for undercharged condition
Detailed Information for Crown CSHB60-90XE User Manual
Lists of information found in Crown CSHB60-90XE User Manual - Page 10
- Verify fan is not in delay mode – wait until delay complete • “R” missing/not connected at motor • Stays at high CFM • “R” missing/not connected at motor • Is fan in delay mode?
- Blower won’t shut off • Current leakage from controls into G,Y or W?
- Determine if it’s air noise, cabinet, duct or motor noise – interview customer, if necessary • Noisy blower or cabinet • Check for loose blower housing, panels, etc.
- High static creating high blower speed?
- “Hunts” or “puffs” at high CFM (speed) • Does removing panel or filter reduce “puffing”?
- Motor failure or malfunction has occurred and moisture is present • Replace motor and perform Moisture Check • Evidence of moisture present inside air mover • Perform Moisture Check DO DON’T • Check-out motor, controls, wiring and connections thoroughly before replacing motor • Automatically assume the motor is bad.
- Orient connectors down so water can’t get in Install “drip loops” • Locate connectors above 7 and 4 o’clock positions • Use authorized motor and control model #’s for replacement • Replace one motor or control model # with another (unless an authorized replacement) • Keep static pressure to a minimum: Recommend high efficiency, low static filters Recommend keeping filters clean Design ductwork for min static, max comfort Look for and recommend ductwork improvement, where necessary, in replacement • Use high pressure drop filters – some have ½” H 2 O drop! • Use restricted returns • Size the equipment wisely • Oversize system then compensate with low airflow • Check orientation before inserting motor connectors • Plug in power connector backwards • Force plugs Moisture Check • Connectors are orientated “down” (or as recommended by equipment manufacturer) • Arrange harnesses with “drip loop” under motor • Is condensate drain plugged?
FAQ (Frequently Asked Questions) for Crown CSHB60-90XE User Manual - Page 10
- All installations and services must be performed by qualified service personnel. 8 • Verify fan is not in delay mode – wait until delay complete • “R” missing/not connected at motor • Stays at high CFM • “R” missing/not connected at motor • Is fan in delay mode?
- – wait until delay time complete • Blower won’t shut off • Current leakage from controls into G,Y or W?
- • High static creating high blower speed?
- Check for air whistling thru seams in ducts, cabinets or panels Check for cabinet/duct deformation • “Hunts” or “puffs” at high CFM (speed) • Does removing panel or filter reduce “puffing”?
- Reduce restriction Reduce max airflow Evidence of Moisture • Motor failure or malfunction has occurred and moisture is present • Replace motor and perform Moisture Check • Evidence of moisture present inside air mover • Perform Moisture Check DO DON’T • Check-out motor, controls, wiring and connections thoroughly before replacing motor • Automatically assume the motor is bad. • Orient connectors down so water can’t get in Install “drip loops” • Locate connectors above 7 and 4 o’clock positions • Use authorized motor and control model #’s for replacement • Replace one motor or control model # with another (unless an authorized replacement) • Keep static pressure to a minimum: Recommend high efficiency, low static filters Recommend keeping filters clean Design ductwork for min static, max comfort Look for and recommend ductwork improvement, where necessary, in replacement • Use high pressure drop filters – some have ½” H 2 O drop! • Use restricted returns • Size the equipment wisely • Oversize system then compensate with low airflow • Check orientation before inserting motor connectors • Plug in power connector backwards • Force plugs Moisture Check • Connectors are orientated “down” (or as recommended by equipment manufacturer) • Arrange harnesses with “drip loop” under motor • Is condensate drain plugged?
Related Documents for Crown CSHB60-90XE User Manual
All trademarks are property of their respective owners. Tightrope
Interactive