Winston Electric
27, Jalan 6/2,
Taman Industries Selesa Jaya,
Off Jalan Balakong,
43300 Seri Kembangan,
Selangor, Malaysia.
+603-89614628
+603-89617048
+6017-3576175
+60173576175

WST-7000A Thermostat

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WST-7000A Thermostat Thermostat


Use instructions

Bimetallic room thermostat for heating and air-conditioning installations
Thermail,electrical and mechanical features
Breaking capacity
On opening contact,10A-250VAC (Ohmic load)
Differential:0.5K

Temperature's scale adjustment

After almost two days from the installation,to obtain a precjse scale adjustment,measure the room temperature with a reference thermometer,placed a side the thermostat.Holding the shagrened part of the knob.turn the index with a coin,to reach the same value of the thermometer.We suggest to install the equipment at about 1.5meter from the floor and far from any heat source.

Pattern

B1-With N.C contact.
B2-With N.C contact and ON-OFF switch
B3-With SPDT contact(change-over)
B4-With change over contact(SPDT) and ON-OFF switch
B7-With normally closed contact on"Winter" and normally open contact on "Summer"plus "Summer-Winter"selector-switch
1)Base
2)Cover
3)Cover screw
4)Knob
5)Lockpins.the lock pins for scale limitation(5)are to be detached from the base of the thermostat,They are located on the fixing holes.
6)Index
The fixing of the room thermostat can be done directly on the wall by screws and nuts. 

Important

Accelarating resistance with voltage to 220-250VAC
This thermostat is provided with an accelerating resistance which must be absolutely connected in order to obtain the regulation's performances.The terminal 4 has thus to be connected to the meutral according to the diagram shown on the cover.This connection allows also the working of the pilot lamp which indicates the operation of the heating.


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