Tormach PCNC 770 - Site Planning and Prep; Electrical Requirements

Chapter 2
22
UM10350_PCNC770_Manual_0916A
Site Planning and Prep
2. Site Planning and Prep
This secon covers required site preparaons prior to placing PCNC mill in service.
2.1 General Site Requirements
The area should be well lit, dry, have proper venlaon, provide for unobstructed machine
moon/operaon, and ensure unrestricted access to PCNC mill controls.
2.1.1 Space Requirements
Minimum oor space requirements are as follows:
Width Depth Height
PCNC 1100 67” 43” 84”
PCNC 770 60” 40” 73”
NOTE: Allocate addional space to allow access to rear of mill for maintenance or repairs.
2.2 Electrical Requirements
WARNING! Electrical Shock Hazard: Electrical connecons must be performed by a cered
electrician. Failure to do so may result in injury or death.
Primary Secondary Recommended Circuit Amperage
PCNC 1100 200-250 VAC, 50/60 Hz 115 VAC, 50/60 Hz
20 A primary
15 A secondary
PCNC 770 115 VAC, 50/60 Hz N/A 20 A
2.2.1 Grounding
All power inputs to PCNC mills must be properly grounded. Check connuity between bare metal on
mill frame and true earth ground (water pipe or similar) to ensure proper grounding.
2.2.2 Plug Pattern
The PCNC 1100 is shipped with a 3-wire conductor; no electrical plug is included. There are several
dierent NEMA (Naonal Electric Manufacturers Associaon) and non-NEMA plug paerns that
can be used. The PCNC 770 is shipped with a 5-20P plug. This plug is designed to be used with a
5-20R receptacle.