10 WGZ030D through WGZ200D OMM 1130
Control Panel Layout
Table 1, Typical Control Panel, 4-Compressor Unit
NOTES:
1. Additional space provided in the upper right section for optional multiple point power connection and
optional circuit breakers.
2. Front door has a slot opening at the top for access to the MicroTech II controller for viewing display
and making keypad entries without opening the panel door.
Motor Protection Module
The motor protection system consists of an external control module, located on each compressor,
connected to a series of thermistors located in the motor windings and the compressor discharge port. If
the windings experience an over-temperature condition or the discharge temperature is excessive, the
module will trip and shut off the compressor for a 30-minute time delay.
(3) 120V/24V
Transformers
LineV/120V
Control
Transformer
Control
Transformer
Fuses, Primary
Control
Transformer Fuse,
Secondary
Optional
Disconnect
Switch
Microtech
Controller
(2) Circuit
Mechanical
Hi-Pressure
Switch Relays
(4) Compressor
Circuit Breakers
(4) Compressor
Contactors
Grounding
Lug
Location for
Optional External
Overloads
To Next Page
