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Item # RCB, Mechanical Remote Control Boxes
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Valad can supply four basic control panels:
(1) Remote Mechanical
(2) Integral Mechanical
(3) Remote Solid State
(4) Integral Solid State
Note: 100 kW heater requires 130 ampere load, will use 200 ampere disconnect.
On multi-stage control boxes, 3 or greater, a solid
state staging controller should be used.
Control panel will have the following components:- Six staging contacts (primary)
- Six staging contactors (secondary)
- Control transformer 440/120
- Transformer to be fused
- Through cover disconnect
- Terminal block for remote thermostats (six)
- Terminal block for duct stat
- Terminal block for sail switch
- Terminal block for manual hi-limit thermostat/one per stage
Valad will assign a drawing number to each control box when order is placed. Prints of the control box and wiring diagram will be put on file and a copy sent to customer for future reference.
Customer to list all the components (See Example A).
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Customer has requirement for control box/6 stage 100 KW Vent Duct Heater. 440 V 3 PH with the following components:
Step down transformer
Fused terminal blocks for staging thermostats
Disconnect switch
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