Table of Contents
Troubleshooting
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Summary of Contents for Asahi/America Quarter Master 94 Series
- Page 1 ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 Quarter Master Series 94 Actuator Installation, Operation Maintenance Manual File: Series 94 IOM Rev. Y 4/5/2024 Page 1 of 36...
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Page 2: Table Of Contents
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 Table of Contents Series 94 Electric Actuator Introduction ..............4 Description ......................4 Electrical Requirement ..................4 Installation ......................6 Electrical ......................6 Actuator Mounting Dimensions................8 Manual Override Operation ................9 Series 94 Options Codes for Serial # Tags ............ - Page 3 ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 Motor 2 No Motion (stall) ................24 Double No Motion (stall) ................24 Feedback Alarm ................... 24 Loss of Command ..................25 Command Out of Range ................25 Stall Detection Feature ................25 Electronic Brake Feature ................
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Page 4: Series 94 Electric Actuator Introduction
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 Series 94 Electric Actuator Introduction Description Series 94 On/Off & Modulating electric actuators feature a reversing,capacitor run motor (Failsafe/Battery Back Up units feature a brushed DC Motor), with a permanently lubricated gear train. - Page 5 ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 NOTE: To conform to various electrical codes, a green grounding screw has been provided (on the baseplate) inside of actuator. Terminal Strip Wiring: 75° C Copper Supply Wires up to #14 AWG, wired as per the attached diagrams or the wiring diagram affixed inside of actuator cover.
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Page 6: Installation
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 Installation Electrical Reference Drawing #279QM on the following page. 1. To gain access to terminal strip (Part #8 & 9) it is necessary to remove manual override handle (Part #34) by loosening slotted setscrew (Part #35). Remove 8 cover screws and lift off cover (torque cover/base screws to 120 in-lbs when finished wiring up unit). - Page 7 ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 File: Series 94 IOM Rev. Y 4/5/2024 Page 7 of 36...
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Page 8: Actuator Mounting Dimensions
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 Actuator Mounting Dimensions File: Series 94 IOM Rev. Y 4/5/2024 Page 8 of 36... -
Page 9: Manual Override Operation
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 Manual Override Operation Reference Drawing #279QM Push down on handle (Part #34) and rotate within labeled limits. To re-engage simply rotate actuator handle in opposite direction until it moves up and re-engages. -
Page 10: Spare Parts
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 Series 94 actuators are virtually maintenance free. We do however, recommend that periodic checks* are made to ensure that all fasteners are tight and properly torqued to extend the life of the actuator and valve. -
Page 11: Setting Switches
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 Setting Switches Disconnect power! Setting On/Off Travel Switches Open Travel Limit Switch (SW2): Using declutchable manual override, move the valve into a full open position. Then loosen set screws on top cam (Part #21) and rotate cam (CCW) into limit switch arm until a click is heard, this designates the switch circuit has opened and defines a full open position. -
Page 12: Failsafe Switches (Battery Back Up)
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 Failsafe Switches (Battery Back Up) Bottom of Failsafe Card Open Travel Limit Switch (SW2): Using declutchable manual override, move the valve into a full open position. Then loosen set screws on cam and rotate cam (CCW) into limit switch arm until a click is heard, this designates the switch circuit has opened and defines a full open position. -
Page 13: Mechanical Brake Installation
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 The RHM is a combination heater and thermostat, and 2-SPDT dry contact relays for the open and closed positions. Its best feature is to provide a means of powering the heater and thermostat without the need of additional wiring. When the actuator reaches end of travel, the NO contact on the travel switch is tripped, and provides power for optional light indication. -
Page 14: Modulating Calibration/Operation
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 Modulating Calibration/Operation Modulating Outline Diagram File: Series 94 IOM Rev. Y 4/5/2024 Page 14 of 36... -
Page 15: Quickcal Procedure
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 QuickCal Procedure The following is a quick calibration procedure. For more details regarding the calibration and features of your DHC-Positioner, please see the pages following this procedure. General The MODE button selects a particular function, or mode, and the indicator for the selected mode turns on steady. -
Page 16: Aux Open/Close Option Setup
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 selected, the LOSS OF COMMAND feature is not available, so proceed to step Push the MODE button until the “LOSS OF COMMAND” LED is illuminated; this sets the actuator to a predetermined position upon loss of ... -
Page 17: Power / Signal (J2)
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 Please read the following pages to ensure that ALL of the selectable features are understood and selected if required. Power / Signal (J2) Power is connected to pins 1, 2, & 3 as shown in the wiring schematic. The fuse installed on the unit is rated for maximum output current that can be safely delivered by the AC outputs. -
Page 18: Mode
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 1 and 2 enables normal operation of the DHC-Positioner and must be installed if the external override functions are not used. Mode The MODE button is used to select the desired function of operation. When the... -
Page 19: Auto
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 RESISTANCE OPERATION > 4.3K ohms 3.3K ohms ±5% LATCH 2K ohms ±5% OPEN 1.2K ohms ±5% CLOSE 510 ohms ±5% STOP The OPEN function will operate the motor in the open direction as set by the OPEN mode, while the CLOSE function operates the motor in the closed direction as set by the CLOSE mode. -
Page 20: Manual/Fb Pot Cal
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 module may be installed when using one of the analog command types and can be used to override the analog command. The AUTO indicator will flash whenever the unit is being controlled by the communications module. -
Page 21: Auxiliary Close Output
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 move to the previously set open position. Once the desired position is set, the DHC-Positioner will automatically associate a command signal input of 5V, 10V, 20mA, or 100% to the open position. -
Page 22: Loss Of Command
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 Loss of Command When using 1-5V, 2-10V, 4-20mA, or a Digital input type for the command signal, the DHC-100 will detect when the command signal is lost or out of range. A loss of command condition is detected whenever the input is disconnected, the input becomes less than 0.75V (for 1-5Vinput), 1.5V (for 2-10V input), or 3mA, or if the... -
Page 23: Fault Indicators
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 Fault Indicators The DHC-100 detects various fault conditions that prohibit the unit from controlling the actuator. A combination of the three Fault indicators (red, yellow, and green) will turn on or flash to indicate a specific detected fault. If an... -
Page 24: Motor 1 No Motion (Stall)
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 flash flash Double No Motion (stall) flash Feedback Alarm flash Loss of Command Command out of Range flash flash Feedback Alarm and Loss of Command flash Feedback Alarm and Command out of Range... -
Page 25: Loss Of Command
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 Loss of Command If the command signal is disconnected, the fault indication will remain on until the signal is reconnected. See LOSS OF COMMAND for details. Command Out of Range If the command signal goes out of range, the fault indication will remain on until the signal is back in range. -
Page 26: Duty Cycle Control
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 Duty Cycle Control The Duty Cycle Control feature of the DHC-Positioner allows actuators rated at 25% duty or more to be safely used in automated valve applications. The DHC- Positioner accurately monitors the relative heating of the motor and automatically duty cycles the unit at a safe level when a process becomes unstable, or if a control loop is not properly set. -
Page 27: Specifications
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 Specifications DHC-100 Specs POWER REQUIREMENTS DHC-100: 117VAC 10%, 50/60 Hz DHC-100A: 234VAC 10%, 50/60 Hz DHC-100B: 24VAC 10%, 50/60 Hz 12 VA typical (not including output load) Fuse Type: 6.3A TR5 Time delay (replaceable) -
Page 28: Dhc-400 Specs
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 DHC-400 Specs POWER REQUIREMENTS Operating Voltage: 0-30VDC Operating Current, typical: 10mA (not including option module) Fuse Type: 10A TR5 Time Lag 374 (replaceable) COMMAND SIGNAL INPUT Common Mode Voltage (both inputs): -9 to +30vdc Input Impedance 10.25K ohms (1-5 VDC, 0-5 VDC, 0-10 VDC Input) -
Page 29: Failsafe (Protek Battery Back Up)
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 Alloy Steel MOUNTING CONFIGURATION ISO Bolt circle (F05) ISO Output Drive: 14mm MANUAL OVERRIDE Fully De-clutchable ENCLOSURE NEMA Type 4X Stainless Steel Trim 2 (Two) ½” FNPT Conduit Entries POSITION INDICATION... -
Page 30: Failsafe Calibration/Operation
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 The Series 94 Failsafe electric actuators can not be Certified to UL Standards at this current time. WARNING: Do not open actuator cover while circuits are energized. CAUTION: Proper voltage must be supplied or actuator will become damaged. -
Page 31: Wiring Techniques
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 The internal LED’s on the failsafe PCB can be turned off or on. This is accomplished by setting the jumper at located at JP7. With the jumper installed at terminals 2 & 3, the internal LED’s will be ON. With the jumper installed at terminals 1 &... -
Page 32: Checking/Calibrating The Battery Charging Voltage
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 achieved via the dry contact switch, and the unit will be driven to its Fail position upon the loss of supply power. To ensure reliable operation, the battery pack should be replaced every year. -
Page 33: Local/Remote Selector Switch (Sw4)
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 Reconnect the battery cable. If battery is fully charged, the low voltage indicator light will be flashing. If the battery is low on charge--battery voltage below 11.5 volts--the low voltage indicator light should be easily visible (almost steady illumination). -
Page 34: Modulating Troubleshooting
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 A: Mechanical Brake jammed or misaligned. Check alignment of brake assembly. This could occur during installation when someone would rest their hand on the Mechanical Brake to steady themselves. Q: What if there is water and/or moisture inside of the unit? A: Conduit fitting installed improperly. -
Page 35: Failsafe Troubleshooting
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 Q: Why does actuator not respond to input signal (all faults are off)? A: Close and Open positions are set to the same position. See Quick Cal Procedure to recalibrate positioner. -
Page 36: Wiring Schematics
ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618 When these temperature swings occur, the unit will “sweat” on the inside causing internal corrosion unless the actuator is equipped with a heater and thermostat to keep a constant temperature inside of the housing. - Page 43 " " N I T I e l l & & l l i . s t 1 2 3 4 t i s ° 5 ° 5 ± ± ± ° 2 ± ± - " " 8 & I T I l l i "...
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