Chromalox WT-122 Инструкции по установке
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Печатать страницуInstallation Instructions
Note: Type WT thermostats are designed for temperature control
service only. Because they do not fail safe, they should not be used
for temperature limiting duty.
WARNING: Users should install adequate back-up
controls and safety devices with their electric
heating equipment. Where the consequences of
failure may be severe, back-up controls are essen-
tial. Although the safety of the installation is the
responsibility of the user, Chromalox will be glad to
make equipment recommendations.
WARNING: Not for use in hazardous environments
as described in the National Electrical Code.
Failure to comply can result in explosion or fire.
© 2010 Chromalox, Inc.
Type WT Room Thermostat
Specifications — Table A
Temp
Range
Contacts
Model
(°F)
WT-121
45-75
SPST
WT-122
45-75
DPST
JUNE, 1995
2.86"
(73)
Front View
Maximum Rating
128V AC
208V AC
240V AC
277V AC
22 amps
22 amps
22 amps
18 amps
or 2640
or 4575
or 5280
or 5000
total watts
total watts total watts total watts contactor)
GENERAL
Thermostat Location
1. Mount in any standard electrical outlet box. Use of extra deep
box (3" x 2" x 3
2. Locate outlet box about 5' above floor on inside wall.
3. Box location should be representative of the area to be con-
trolled. Avoid locations that are subject to drafts or false exter-
nal heat (such as solar radiation, direct heat from heaters, etc.).
Insure that the wall selected is capped to prevent drafts within
the wall.
4
WT
(Supersedes PK477)
161-506096-001
2.14"
(54)
4.72"
(110)
Side View
Pilot Duty
125V AC
(use with
AC
1
/
") makes for easier wiring.
2
PK477