Nortek VENMARCES VHC-36 - Page 54

C
B
A
Figure I7: Actuator
Table I16: Outdoor Three-way Valve Dimensions
(10 to 21 tons)
Value Nominal Size Dimensions (Inches [mm])
Inches DN [mm] A B C
1¼” 32 mm 3.96” [100.6] 2.21” [56.2] 2.14” [54.3]
1½” 40 mm 4.39” [111.6] 2.45” [62.2] 2.33” [59.1]
2” 50 mm 4.90” [124.5] 2.68” [68.0] 2.60” [66.0]
Table I17: Actuator Specifications
Torque 162 in-lbs [18 Nm]
Angle of rotation 95° (adjustable with mechanical stops)
Fits shaft diameter 9/16”...3/4”
Manual override External push button
Direction of rotation External switch
Dimensions
10.66” x 5.28” x 4.88”
[271 x 134 x 124 mm]
Electrical connection Terminal strip
Overload connection Electronic throughout rotation
Auxiliary switch(es)
Add on: 1 or 2 SPDT, 3A (0.5A inductive)
at 250V one switch adjustable 25° to 85°
Housing specifications NEMA 4/4X, IP66/IP67
Agency listings
cULus according to UL 30730-1A/- 2-14,
CAN/CSA E60730-1:02, CE according to
2004/108/EC and 2006/95/EC
Control shaft length
Minimum ¾”
Maximum 2¼”
10.66”
1.52”
9.56”
1.10”
2.01”
5.28”
0.21”
5.52”
5.15” 4.41”
AM..N4 9/10”...3/4” 3/8”...9/10” 9/10”...3/4”
4.88”
Figure I6: Outdoor three-way valve actuator
(10 to 21 tons)
Table I15: Outdoor Three-way Valve Actuator
Technical and Dimensional Data (10 to 21 tons)
Power supply
24 VAC ± 20% 50/60 Hz
24 VDC ± 10%
Power consumption
Running Holding
2.5 W 0.4 W
Transformer sizing 5 VA (Class 2 power source)
Electrical connection
Screw terminal (for 26–14 GA wire) ½”
conduit connector
Overload protection Electronic throughout 0° to 95° rotation
Operating range Y 2–10 VDC, 4–20 mA
Feedback output U 1–10 VDC, max. 0.5 mA
Input impedance 100 Ω [0.1 mA], 500 Ω
Angle of rotation Max 95° adjustable with mechanical stop
Torque 160 in-lb [16 Nm]
Direction of rotation Reversible with switch
Position indication Pointer
Manual override External push button
Running time 95 seconds constant independent of load
Humidity
5% to 95% RH non-condensing
(EN 60730-1)
Ambient temperature −22°F to 122°F [−30°C to 50°C]
Storage temperature −40°F to 176°F [−40°C to 80°C]
Housing IP66/67 UL Type 4X, NEMA 4X
Housing material UL94-5VA
Agency listings†
cULus acc. to UL60730-1A/-2- 14,CAN/
CSA E60730-1, CSA C22.2 No. 24-93,
CE acc. to 89/336/EEC
Noise level <45 db (A)
Servicing Maintenance free
Quality standard ISO 9001
Weight 3.3 lbs [1.5 kg]
† Rated impulse voltage 800V, type of action 1, control pollution
degree 3
VCES-VHC-IOM-1F – VHC-36, -42 & -50
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