Mars Wind Stopping 16-CSI-Spec
Revised 10/15/2020
MARS AIR SYSTEMS, LLC
23 24 33.14 – 7
5.
Combination single-stage gas control system with regulated combination
redundant gas valve and intermittent spark pilot with electronic flame
supervision.
6.
Limit and safety controls.
E.
Motor Control Panels for Unheated Units: Recommended for units whenever a door limit
switch is used to automatically start and stop the air curtain. Provide motor control panel
as follows:
1.
Mounting: Shipped loose to be remote mounted.
2.
Mounting: Factory mounted on right hand side of air curtain housing.
3.
Mounting: Factory mounted on left hand side of air curtain housing.
4.
Electrical components UL/CUL listed.
F.
Motor Control Panels for Electric Heated Units: Recommended for all units whenever a
door limit switch is used to automatically start and stop the air curtain. Thermostat is
included with optional motor control panel for field installation. Provide control panel as
follows:
1.
Thermostat: Wall-mounted, 24-Volt operation, with heater on/off selection.
2.
Mounting: Shipped loose to be remote mounted.
3.
Mounting: Factory mounted on the inside of air curtain housing.
4.
Mounting: Factory mounted on left hand side of air curtain housing.
5.
Electrical components UL/CUL listed.
G.
Motor Control Panels for Steam and Hot Water Heated Units: Recommended for all units
whenever a door limit switch is used to automatically start and stop the air curtain.
Thermostat is included with optional motor control panel for field installation. Provide
motor control panel as follows:
1.
Thermostat: Wall-mounted, 110-Volt operation, with heater on/off selection.
2.
Mounting: Shipped loose to be remote mounted
3.
Mounting: Factory mounted on right hand side of air curtain housing.
4.
Mounting: Factory mounted on left hand side of air curtain housing.
5.
Motor Control Panels are UL Listed and CSA Approved
H.
Motor Control Panels for Gas Heated Units: Recommended for all units whenever a door
limit switch is used to automatically start and stop the air curtain. Thermostat is included
with optional motor control panel for field installation. Provide motor control panel as
follows:
1.
Thermostat: Wall-mounted, 24-Volt operation, with heater on/off selection
2.
Mounting: Shipped loose to be remote mounted
3.
Mounting: Factory mounted on right hand side of air curtain housing.
4.
Mounting: Factory mounted on left hand side of air curtain housing.
5.
Motor Control Panels are UL Listed and CSA Approved
I.
Door-Activated Limit switch(s): Provide, field installed 250-Volts, 20 amps limit switch
to control air curtain(s) as follows; Automatic on/off control, activates air curtain when
door is opened and turns off when door is closed. Provide limit switch for direct control
one 1 HP or up to two 1/2 HP single-phase motors without a separate control panel.
Provide a separate control panel for three-phase motors and/or units exceeding 1 HP,
250-Volts or 20 amps controlled by a limit switch.
