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).
