• THERMOSPAN
TM
coil design feature eliminates
tube failure on tube sheets.
• Standard 850 RPM quiet low speed dual
voltage (230/460) fan motors with male electrical
plug, moisture slinger, and rainshield for complete
weather protection.
• Optional 550 ultra low and 1140 RPM high
speed motors available.
• Rugged heavy-gauge galvanized steel rail
motor mounts/support.
• All fan sections individually baffled with full
height partitions, and clean-out panels.
• Complete selection of electrical fan cycling and
speed control options.
• Heavy-gauge galvanized steel cabinet
construction assembled with zinc plated huck
bolts supported on heavy-duty legs.
CONTENTS
PAGE
SPECIFICATIONS
Nomenclature........................................... Front
850 RPM Data:
Capacity, General Specs, Elec. Specs... 2-5
Dimensional Data...................................... 6, 7
Wiring Data.............................................. 8-11
550 RPM Data:
Capacity, General Specs, Elec. Specs... 12-15
1140 RPM Data:
Capacity, General Specs, Elec. Specs.... 16-19
DESIGN & SELECTION
Condenser Theory..................................... 20
Glossary of Terms..................................... 21, 22
Condenser Selection & Worksheets............ 23-29
Low Ambient Operation.............................. 30-34
INSTALLATION
Inspection, Location & Placement............... 35
Piping & Wiring......................................... 36
System Check & Maintenance................... 37
Service Parts............................................ 38
Project Information.................................... Back
NOMENCLATURE
BVC 2 A 26 206 A - T3 C
Model
BVC = Bally Vertical air flow Condenser
BCH = Bally Horizontal air flow Condenser
Motor & Fan Type
A = 30” fan with 850 RPM motor (Standard)
B = 30” fan with 550 RPM motor
C = 30” fan with 1140 RPM motor
Tubing
1 = 3/8 OD smooth 2 = 1/2 OD smooth
Electrical Code
S2 = 208-230/1/60 S6 = 200-220/1/50
T3 = 208-230/3/60 T7 = 200-220/3/50
T4 = 460/3/60 T9 = 380-400/3/50
T5 = 575/3/60
Nominal Capacity (Tons - THR)
Rated at 25
o
F (14
o
C) TD, 30” Fan / 850 RPM Motor,
12” FPI, smooth tubing, 0° Subcooling, Sea Level, 60 Hz
BVC Direct Drive
Air-Cooled
Condenser
One to Twelve Fan Motors
Bulletin B50-BVC-PDI-10
1068833
PRODUCT DATA &
INSTALLATION
Fin Material & Spacing
A = Aluminum 12 FPI (Standard), B = 10, C = 8
D = Gold Coat Alum 12 FPI, E = 10, F = 8
G = Copper 12 FPI, H = 10, J = 8
K = Heresite Coat Alum 12 FPI, L = 10, M = 8
Fan Configuration
First number = number of fans wide
Second number = number of fans in length
26 = 2 fans wide x 6 fans length (total 12 fans)
11 = 1 fan wide x 1 fan length (total 1 fan)
Generation
C = Latest series (A, B older series)
