42
MUA-SVX005B-EN
Troubleshooting Guide — Chilled Water Cooling Coil
Problem
Probable
Cause
Solution
No or Insufficient
Cooling
Circulating pump
failure.
Repair or replace pump.*
Chilled water
temperature not
cool enough.
Check chiller.*
Air binding (air in
coil).
Bleed coil.
Insufficient chilled
water flow.
1. Circulating pump capacity is inadequate.*
2. System piping losses too great.
Insufficient air
flow.
1. See air blower troubleshooting.
2. Clogged coil
Air bypassing coil.
Caulk safe off.
Undersized
system, demand
exceeding cooling
system capacity.
Replace system.*
Too much outside
air.
Check outside air dampers.
Water in
Conditioned Air
Exceeding coil face
velocity - 600 fpm.
Reduce unit air flow.
Drain pan p-trap
clogged.
Clean pan and p-trap.
N
No
otte
e:: *Refer to Manufacturer’s Installation and Service Manual.
T
Trro
ou
ub
blle
essh
ho
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ottiin
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Содержание GGAA
Страница 35: ...MUA SVX005B EN 35 Figure 12 Blower RPM Adjustment M Ma ai in nt te en na an nc ce e ...
Страница 47: ...MUA SVX005B EN 47 Motor Electric Data Table 7 Full Load Current in Amperes ...
Страница 50: ...50 MUA SVX005B EN Coil Cabinet Dimensional Data Figure 13 Coil Cabinet Dimensional Data ...
Страница 57: ...MUA SVX005B EN 57 Gas Equipment Start Up ...
Страница 58: ...58 MUA SVX005B EN N No ot te es s ...
Страница 59: ...MUA SVX005B EN 59 N No ot te es s ...