Bedienungsanleitung Chromalox PK410-1

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Installation Instructions 4WR
(Supersedes PK410) PK410-1
161-048634-001
JUNE, 1989
Type WR Room Thermostat
3
2 /4”
1
2 /2”
Note —
WR-80 is
not a
6”
Fail-Safe
3
5 /8”
Device.
1
2 /2”
9
2 /16”
WR-80
1
WR-90
2 /4”
40 to 80°F
20 to 90°F
UL Listed
UL Listed
Specifications – Table A
Maximum Rating
Range
Model (°F) 120Vac † 115Vac 240Vac † 230Vac 277Vac 480Vac
WR-80 40-80 125va pilot 125va pilot 125va pilot
25 amps duty (use 22 amps duty (use 18 amps duty (use
WR-90 20-90 or 3000 with d-c or 5280 with

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MOUNTING Note: Do not mount control where it will be subject to vibration, 1. Locate where air circulates freely. shock, grease, dust, lint or corrosive vapors. Do not mount adja- 2. Never install on or near outside wall. cent to a large magnetic contactor, as vibration and shock will 3. Keep away from windows or doors. cause thermostat to interact erratically – resulting in chattering of 4. Do not locate too close to strong light or other false source of the contactor. heat, such as sunlight, s

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CALIBRATION SETTING UNITING LIQUID IN THERMOMETER Sometimes the red liquid inside the thermometer on the WR- WR-90 controls have an adjustable differential. The movable 80 becomes separated during shipment. The thermometer will not indicator points to the temperature at which the contacts open. The read correctly when this red liquid is separated at any point. If the fixed indicator points to the temperature at which the contacts close. red liquid in the thermometer of this thermostat has become

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Limited Warranty: Please refer to the Chromalox limited warranty applicable to this product at http://www.chromalox.com/customer-service/policies/termsofsale.aspx. 1347 HEIL QUAKER BLVD., LAVERGNE, TN 37086 Phone: (615) 793-3900 www.chromalox.com