MHPTV TX Quick Start Guide
MHPTV-QSG-DOC-V1.1, 12/05/2018 Page 18 of 37
The MHPTV TX AC distribution compartment may be wired for 240VAC single-
phase (3-wire, L1, L2, GND – for 1, 2, and 3-PA systems) or 208VAC three-phase (4-
wire, L1, L2, L3, GND – for 1~8 Pa systems) power to be sourced from a proper breaker
sized according to the charts below. Also, please note the recommended cable gauge to
make the connection between the TX AC Mains Distribution terminal block and the
circuit breaker installed in the facility electrical panel. Please note: This cable is not
provided with your Transmitter equipment and should be obtained from your local
Electrician.
Important: The transmitter cabinet MUST be properly bonded to the building
lightning protective ground and have a good RF ground. This is typically done with a
2” to 4” copper strap that is connected to the cabinet ground, found at the bottom rear
of the TX cabinet, making sure all equipment inside the rack is tied to this ground. Any
damage caused by not having proper grounding may void your warranty.
MHPTV – (Granite) Doherty AC Power Requirements
MHPTV- (Granite) Doherty (888E) -AC Power Requirements, Dimensions, and Weights
After BPF(W)
240VAC
Single-phase (L1, L2, GND)
208VAC
Three-phase (L1, L2, L3, GND)
Delta
Net Weight (lbs.)
Dimensions (mm)
1100(ATSC), 1PA
3110W consumption 3110W consumption
Weight: 400 lbs.
20A, 2pole breaker, gauge 12
wire
15A, 3pole breaker, gauge 14 wire
1358H x 850D x 725W (mm)
13.0A/phase-current draw 8.7A/phase-current draw
2200(ATSC), 2PA
6220W consumption 6220W consumption
Weight: 520 lbs.
40A, 2pole breaker, gauge 8 wire 30A, 3pole breaker, gauge 10 wire
1358H x 850D x 725W (mm)
25.9A/phase-current draw 17.3A/phase-current draw
3300(ATSC), 3PA
9330W consumption 9330W consumption
Weight: 700 lbs.
50A, 2pole breaker, gauge 6 wire 40A, 3pole breaker, gauge 8 wire
1794H x 1100D x 725W (mm)
38.9A/phase-current draw 26.0A/phase-current draw
4400(ATSC), 4PA
N/A 12440W consumption
Weight: 810 lbs.
N/A
50A, 3pole breaker, gauge 6 wire
1794H x 1100D x 725W (mm)
N/A
34.6A/phase-current draw
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