Technical Repair Guide - Emerson Comfort Plus SST Serie Guide De L'utilisateur

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TECHNICAL REPAIR GUIDE

TECHNICAL REPAIR GUIDE
TECHNICAL REPAIR GUIDE
TECHNICAL REPAIR GUIDE
TECHNICAL REPAIR GUIDE
WARNING
!
Do not attempt repair of this unit unless you are
Do not attempt repair of this unit unless you are
Do not attempt repair of this unit unless you are
Do not attempt repair of this unit unless you are
Do not attempt repair of this unit unless you are
familiar with the necessary tools, equipment,
familiar with the necessary tools, equipment,
familiar with the necessary tools, equipment,
familiar with the necessary tools, equipment,
familiar with the necessary tools, equipment,
utility connections and potential hazards.
utility connections and potential hazards.
utility connections and potential hazards.
utility connections and potential hazards.
utility connections and potential hazards.
Repair should be performed only by a qualified
Repair should be performed only by a qualified
Repair should be performed only by a qualified
Repair should be performed only by a qualified
Repair should be performed only by a qualified
service provider.
service provider.
service provider.
service provider.
service provider.
Failure to do so could result in reduced perfor-
Failure to do so could result in reduced perfor-
Failure to do so could result in reduced perfor-
Failure to do so could result in reduced perfor-
Failure to do so could result in reduced perfor-
mance of the unit, serious personal injury or
mance of the unit, serious personal injury or
mance of the unit, serious personal injury or
mance of the unit, serious personal injury or
mance of the unit, serious personal injury or
death.
death.
death.
death.
death.
This guide contains service checks to assist service
personnel in locating and correcting any malfunction that
might occur to render the air cleaner ineffective or inop-
erative. The air cleaner has been designed with replace-
able components, such as the high-voltage power supply
and air flow switch. This allows the serviceman to replace
a faulty component rather than attempt repairs of such
components in the field.
120 VAC
Connector
L2
L1
Operating
Light
ON/OFF
Switch
Blk
Red
Gnd
Wht
Blu
Wht/Brn/Air Flow
Blk
Power Pack
Assembly
Cover Assembly
Wht/Brn
Cell Contact
& Insulator
Power
Supply
All voltage measurements indicated can be made with a
high voltage D.C. probe and a general purpose volt ohm
meter. For example: Simpson 260 or equivalent.
For test purposes, the air flow switch may be "wired out"
of the system. This will eliminate the need for air flow
across the sensing thermistor to energize the power
supply (see Fig 23).
NOTE: All tests to be performed with the Ozone Reduc-
tion Jumper intact.
NOTE: When servicing the power pack components, all
wiring must be routed to factory specifications.
The solid-state power supply is not
designed for individual component part
(If Required)
replacement and must be replaced as
Airflow Switch
a complete "snap-in" unit.
Blk
Wht
Figure 22
11
Power Supply
Specifications
Input voltage: 120 VAC 60 Hz.
Output to light: 1.5 to 2.5 VDC
H.V. Output: 6450 VDC (nom)
Collecting Cell
Specifications
1000 cfm - 1.0 Ma @ 6450VDC
1400 cfm - 1.2 Ma @ 6450 VDC
1600 cfm - 1.5 Ma @ 6450 VDC
2000 cfm - 1.7 Ma @ 6450 VDC

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