Nortek VENMARCES VHC-36 - Page 53

C
3.46”
[88 mm]
8.5” [216 mm]
3.3”
[84 mm]
B
A
2.49”
[63.4 mm
]
1.35”
[35 mm]
Figure I5: Indoor three-way valve actuator
(10 to 21 tons)
C
B
A
0.62” [16 mm]
2.99”
[76 mm]
1.0”
[25.5 mm]
5.28”
[134 mm
]
9.76”
[248 mm]
9.21”
[234 mm]
Figure I4: Outdoor three-way valve actuator
(6 to 8 tons)
Table I11: Outdoor Three-way Valve Actuator
Technical and Dimensional Data (6 to 8 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)
Overload protection Electronic throughout 0° to 95° rotation
Operating range Y 2–10 VDC, 4–20 mA
Input impedance 600 Ω
Angle of rotation 90° adjustable with mechanical stop
Direction of rotation Reversible with switch
Position indication Visual pointer
Manual override External push button
Running time 95 seconds constant independent of load
Humidity 100% RH
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 type UL Type 4X/NEMA 4X/IP66 & IP67
Housing material Polypropylene
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
Quality standard ISO 9001
† Rated impulse voltage 800V, type of action 1, control population
degree 3.
Table I12: Outdoor Three-way Valve Dimensions
(6 to 8 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 I13: Indoor 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 3 VA (Class 2 power source)
Electrical connection
½” conduit connector 18 GA plenum
rated cable
_3 ft. [1 m] _10 ft. [3 m] _16 ft. [5 m]
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 90° adjustable with mechanical stop
Torque 180 in-lb [20 Nm]
Direction of rotation Reversible with switch
Position indication Handle
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 NEMA 2/IP54
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)
Quality standard ISO 9001
† Rated impulse voltage 800V, control pollution degree 3, type of
action 1 (1.B for -S models)
Table I14: Indoor 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]
VCES-VHC-IOM-1F – VHC-36, -42 & -50
53