Install Instructions

Page 2 of 4
©ASCO Valve, Inc.® 50 Hanover Road, Florham Park, New Jersey 07932 www.ascovalve.com
I&M No. V 8860 R2
Specifi cations
Force Output: 250 lbs
Stroke: 1 1/8” maximum
Electrical Characteristics:
*Current increases by 20% for 50Hz operation.
Opening Time: Fast Opening: 6 to 14 seconds
Slow Opening: 14 to 26 seconds
Note:
• Opening time doubles below -30°F (-34°C).
• 50Hz operation increases opening time by 20%.
• Opening time is not fi eld adjustable.
Maximum Closing Time: One second
Ambient Temperature and Duty Cycle Limitations
The actuator may be operated in ambient temperature conditions
from -40°F to 150° F (-40°C to 65°C). Actuator can be cycled
open / close continuously below 108°F (42°C) for 60Hz and
below 90°F (32°C) for 50 Hz. See chart below for limitations
(open / close cycles) at elevated temperatures.
NOTICE
The AH2E actuator is fi tted with a self-resetting thermal cutout
device. If the recommended temperatures and duty cycles above
are exceeded, the thermal cutout may trip causing the actuator
to stop in its current position during valve opening. The valve
closing time remains one second or less regardless of thermal
cutout trip. Once the actuator cools,the cutout will self-reset and
the actuator will resume operation. If the cutout trips repeatedly,
verify that the application is within the ambient temperature and
the duty cycle limits of the actuator. If the application is within
the specifi ed operating limits and the cutout continues to trip,
replace actuator.
INSTALLATION
Positioning/Mounting
Follow the V710 Series Gas valve and/or damper manufacturer’s
instructions when installing the Hydramotor®.
1. AH2E actuators can be installed to operate in any position.
2. Check to ensure that the mounting gasket is in the proper
position, clean and without damage. Position the actuator
to operate the valve (and damper if appropriate). Secure
actuator with the three mounting set screws. Tighten set screws
to 80 ± 5 in-lbs [9,0 ± 0,5 Nm] using a 5/32” hex key wrench.
(See Figure 1)
Wiring (Refer to Figure 2)
WARNING: Electrical hazard. To prevent the
possibility of death, serious injury or property
damage, open all circuits before inspection, service
or disassembly.
Wiring must comply with local codes and the National Electrical
Code. Limit controls must conform with actuator rating (voltage,
amperage, hertz). Wiring to meet NEC Class I, suitable for 90°C.
Wire limit controls to the hot side of power supply.
1. Check the nameplate and confi rm that the appropriate power
is being supplied to the unit. Remove the front cover (with
nameplate) and set aside to access electrical connections taking
care not to damage the cover gasket if supplied. A diagram is
located on the inside of the cover to aid in making electrical
connections.
2. Remove the desired electrical knock out and install appropriate
electrical fi ttings. Type4 fi ttings must be used with watertight
units. Route wiring through the fi tting. Take care not to scratch
or otherwise damage the cover sealing surface when working
on watertight enclosure.
3. Connect the power to terminals 1 and 2. The neutral wire, if
applicable, should be connected to terminal 1. Connect the
ground wire to the grounding screw provided on the housing
next to the terminal strip.
4. Torque terminal screws: 8 to 12 in-lbs [0.9 to 1.3 Nm]. Torque
ground screw: 20 to 25 in-lbs (2.3 to 2.8 Nm)
5. If a proof of closure or auxiliary switch is being used make
those electrical connections. Use the markings located on
the insulators to determine normally open and normally
closed terminals. Torque electrical connection screws 8 to 12
in-lbs (0.9 to 1.3 Nm). Refer to auxiliary switch adjustment
section on page 3 for instructions on adjusting switch. Proof of
closure switches are set at the factory. Do not adjust proof of
closure switches.
6. Install the cover. Be certain that the gasket (if applicable)
and sealing surfaces are clean and there is no damage to the
surfaces or gasket. Snug down all screws before tightening.
Torque screws 20 to 25 in-lbs (2.3 to 2.8 Nm) evenly using a
crisscross pattern starting in the middle and not in the corner.
7. If the damper arm is being used, connect linkage and adjust as
needed for proper operation of the damper.
Damper Arm Adjustment: To reposition the damper arm,
remove the e-ring retainer and damper arm then reposition arm
and reinstall e-ring. When repositioning arm onto the opposite
side, remove e-rings on both sides and reposition and install
on opposite sides. DO NOT remove the square damper shaft.
8. Operate actuator (with valve) through fi ve cycles to verify
proper operation of valve and damper/ linkage system prior to
use.
Operating
Voltage /
Frequency
Current, in Amperes
Inrush Opening Holding
24/60 28 8.2 0.49
120/60* 5.6 2.1 0.09
240/60* 2.8 1.1 0.04