Chromalox PK425-2 Installation und Betrieb

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RENEWAL PARTS IDENTIFICATION
Type ARR Inverse-Action Thermostat
2
1
/
"
4
Type ARR-LT
Moisture Resistant Model
© 2010 Chromalox, Inc.
Installation, Operation
and
3
3
/
"
8
5
7
/
"
8
Type ARR
C L
3
/
" NPT Conduit Holes
7
7
/
"
4
/
"
8
8
4
7
/
"
16
5
1
/
"
16
Specifications – Table A
Temperature
Range
Model
(°F)
ARR-215
60-250
ARR-219
60-250
ARR-515
200-550
ARR-519
200-550
Models installed in a moisture-resistant enclosure are designated by the suffix "LT" on the
model number.
11 16
2 / "
7
1
/
"
16
Figure 1
4
ARR
(Supersedes PK425-1)
161-562792-001
JANUARY, 1988
Sensing Bulb
with 7'
Standard Capillary
Approx.
Length
Style
Dia.(In.)
(In.)
3
1
5
/
4
/
8
4
3
9
9
/
16
/
16
32
3
1
5
/
3
/
8
4
3
1
9
/
11
/
16
4
2 / " Ref.
3 8
7 8
2 / "
Bulb
Dia.
Length
(Refer to
Specifications Table A)
PK425-2
Max.
A.C. Rating
(Amps)
30 Amp
120-277 Vac
(1 Pole Res.)
18
FLA-72LRA
250 Vac
125 Vac
120-277 Vac
(Pilot Duty)