3.25”
[82.6 mm]
2.50”
[63.5 mm]
C
2.82”
[71.6 mm]
B
A
Figure I1: Indoor three-way valve actuator (2 to 5 tons)
Table I4: Three-way Technical Data
Service
Chilled or hot water, 60% glycol
Flow characteristic
A-port
B-port
Equal percentage
Modified for constant
common port flow
Action
90° rotation
Sizes
½”, ¾”, 1”, 1¼”, 1½”, 2”
Type of end fitting
NPT female ends
Materials
Body
Forged brass, nickel plated
Ball and stem
Stainless steel
Seats
PTFE
Characterizing disc
Tefzel
®
Packing
2 EPDM O-rings, lubricated
Body pressure rating
600 PSI
400 PSI
½”–1”
1¼”–2”
Media temperature
range
0°F to 212°F [−18°C to 100°C]
Close off pressure –
200 PSI
½”–2”
Maximum differential
pressure (
∆
P)
30 PSI for typical applications
Leakage
A to AB
B to AB
0%
<2%
C
v
rating
A-port
B-port
See product chart
for values
70% of A to AB C
v
Table I5: Indoor Three-way Valve Actuator
Technical and Dimensional Data (2 to 5 tons)
Control
On/off, floating point
Nominal voltage
24 VAC 50/60 Hz
Nominal voltage range
19.2–28.8 VAC
Power consumption
1 W
Transformer sizing
1 VA (Class 2 power source)
Electrical connection
Screw terminals accessible after removal
of small cover (3 feet,
10 feet, 16 feet cables optional)
Input impedance
0.36 kΩ
Angle of rotation
90°
Position indication
Integrated into handle
Manual override
Push down handle
Running time
90 seconds at 60 Hz,
108 seconds at 50 Hz
Humidity
5–95% non-condensing
Ambient temperature
−22° to 122°F [−30°C to 50°C]
Storage temperature
−40°F to 176°F [−40°C to 80°C]
Housing
NEMA 1/IP40
Housing rating
UL94-5V (B)
Agency listing*
cULus ac. to UL60730-1A/-2- 14, CAN/
CSA E60730-1, CSA C22.2 No. 24-93,
CE acc. to 89/336/EEC
Noise level
Max. 35 db (A)
Quality standard
ISO 9001
*Rated impulse voltage 330V, control pollution degree 2, type of
action 1
Table I6: Indoor Three-way Valve Dimensions
(2 to 5 tons)
Value Nominal Size
Dimensions (Inches [mm])
Inches
DN [mm]
A
B
C
½”
15 mm
2.41” [61.1]
1.39” [35.2]
1.20” [30.6]
½”
15 mm
2.38” [60.4]
1.72” [43.7]
1.26” [32.1]
¾”
20 mm
2.73” [69.3]
1.81” [45.9]
1.45” [36.8]
VCES-VHC-IOM-1F – VHC-36, -42 & -50
51
