Bally Refrigerated Boxes BLC1 Installation Manual
PRODUCT DATA &
04/27/12
INSTALLATION
Bulletin B40-BLC-PDI-4
1068827
Lead Lag
Control Panel
Model BLC1 / BLC2
Electrical Power: 115/1/60,
208-230/1/60,
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at www.ballyrefboxes.com
NOMENCLATURE
BLC 1 - I S2 A
200-220/1/50
• For use on TWO independent refrigeration
systems using pumpdown control mode.
(Thermostat wired into liquid line solenoid valve).
• Panel can be mounted at condensing unit on indoor
installations or can be mounted remote inside on a
wall when used with outdoor condensing units.
• Designed to alternate each system automatically
at a preset 24 hour time period. (can be readjusted
from a 6 to 300 hour time period).
Three position toggle switch provides:
1. Condensing Unit #1 runs only.
2. Lead Lag mode. (alternates unit #1 and unit #2
automatically).
3. Condensing unit #2 runs only.
Model
Bally Lead Lag
Control Panel
Model Code
1 = Standard
2 = With Alarm/Auto Back-Up
Application
I = Indoor
Voltage
S1 = 115/1/60
S2 = 208-230/1/60
S6 = 200-220/1/50
Series / Generation
A = 1st Generation
• BLC1 model offers low cost simple operation by
automatically (pre-set time) or manually alternating
each unit.
• BLC2 model offers the same as BLC1 and includes
supplemental refrigeration backup during abnormal
load situations or in the event one refrigeration
system fails. (Includes alarm dry contacts)
• Panel is suitable for use with Air, Electric and Hot
Gas defrost systems.
• Custom designed panels available to suit any
specic customer requirement (contact factory)
BLC1
B40-BLC-PDI-4
- 2 -
04/27/12
PANEL LEAD-LAG WIRING -
BLC1
BLC1
B40-BLC-PDI-4
- 3 -
04/27/12
SYSTEM LEAD-LAG WIRING -
BLC1
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