York DJ 150 Manual De Usuario
036-21484-001-B-0103
26
Unitary Products
nate any moisture or foreign matter. C. Accessible service
gage connections on both suction and discharge lines to
charge, evacuate, and measure refrigerant pressure during
any necessary servicing or troubleshooting, without losing
charge. D. The unit shall have two independent refrigerant
circuits, equally split in 50% capacity increments.
gage connections on both suction and discharge lines to
charge, evacuate, and measure refrigerant pressure during
any necessary servicing or troubleshooting, without losing
charge. D. The unit shall have two independent refrigerant
circuits, equally split in 50% capacity increments.
Unit Controls: A. unit shall be complete with self-contained
low-voltage control circuit protected by a resetable circuit
breaker on the 24-volt transformer side. B. Unit shall incorpo-
rate a lockout circuit which provides reset capability at the
space thermostat or base unit, should any of the following
standard safety devices trip and shut off compressor: (1)
loss-of-charge/Low-pressure switch, (2) high-pressure
switch, (3) freeze-protection thermostat, evaporator coil.
C. If any of the above safety devices trip, a LED (light-emit-
ting diode) indicator shall flash a diagnostic code that indi-
cates which safety switch has tripped. D. Unit shall
incorporate “AUTO RESET” compressor over temperature,
over current protection. E. Unit shall operate with conven-
tional thermostat designs and have a low voltage terminal
strip for easy hook-up. F. Unit control board shall have on-
board diagnostics and fault code display. G. Standard con-
trols shall include anti-short cycle and low voltage protection,
and permit cooling operation down to 0
low-voltage control circuit protected by a resetable circuit
breaker on the 24-volt transformer side. B. Unit shall incorpo-
rate a lockout circuit which provides reset capability at the
space thermostat or base unit, should any of the following
standard safety devices trip and shut off compressor: (1)
loss-of-charge/Low-pressure switch, (2) high-pressure
switch, (3) freeze-protection thermostat, evaporator coil.
C. If any of the above safety devices trip, a LED (light-emit-
ting diode) indicator shall flash a diagnostic code that indi-
cates which safety switch has tripped. D. Unit shall
incorporate “AUTO RESET” compressor over temperature,
over current protection. E. Unit shall operate with conven-
tional thermostat designs and have a low voltage terminal
strip for easy hook-up. F. Unit control board shall have on-
board diagnostics and fault code display. G. Standard con-
trols shall include anti-short cycle and low voltage protection,
and permit cooling operation down to 0
°
F. H. Control board
shall monitor each refrigerant safety switch independently. I.
Control board shall retain last 5 fault codes in non volatile
memory, which will not be lost in the event of a power loss.
Control board shall retain last 5 fault codes in non volatile
memory, which will not be lost in the event of a power loss.
GAS HEATING SECTION (IF EQUIPPED)
Heat exchanger and exhaust system shall be constructed of
aluminized steel or optional stainless steel. Shall be designed
with induced draft combustion with post purge logic, energy
saving direct spark ignition, and redundant main gas valve.
The heat exchanger shall be of the tubular type, constructed
of T1-40 aluminized steel (or optional 304 stainless steel) for
corrosion resistance and allowing minimum mixed air enter-
ing temperature of 40
aluminized steel or optional stainless steel. Shall be designed
with induced draft combustion with post purge logic, energy
saving direct spark ignition, and redundant main gas valve.
The heat exchanger shall be of the tubular type, constructed
of T1-40 aluminized steel (or optional 304 stainless steel) for
corrosion resistance and allowing minimum mixed air enter-
ing temperature of 40
°
F. Burners shall be of the in-shot type,
constructed of aluminum-coated steel. All gas piping shall
enter the unit cabinet at a single location, through either the
side or bottom, without any field modifications. An integrated
control board shall provide timed control of evaporator fan
functioning and burner ignition. Heating section shall be pro-
vided with the following minimum protection: A. Primary and
auxiliary high-temperature limit switches. B. Induced draft
pressure sensor. C. Flame roll out switch (manual reset). D.
Flame proving controls. Unit shall have two independent
enter the unit cabinet at a single location, through either the
side or bottom, without any field modifications. An integrated
control board shall provide timed control of evaporator fan
functioning and burner ignition. Heating section shall be pro-
vided with the following minimum protection: A. Primary and
auxiliary high-temperature limit switches. B. Induced draft
pressure sensor. C. Flame roll out switch (manual reset). D.
Flame proving controls. Unit shall have two independent
stages of capacity (60% 1
st
stage, 100% 2
nd
stage).
ELECTRIC HEATING SECTION (IF REQUIRED)
An electric heating section, with nickel chromium elements,
shall be provided in a range of 9 thru 54 KW, offering two
stages of capacity all sizes. The heating section shall have a
primary limit control(s) (automatic reset) to prevent the heat-
ing element system from operating at an excessive tempera-
ture. The Heating Section assembly shall slide out of the unit
for easy maintenance and service. Units with Electric Heating
Sections shall be wired for a single point power supply with
branch circuit fusing (where required).
shall be provided in a range of 9 thru 54 KW, offering two
stages of capacity all sizes. The heating section shall have a
primary limit control(s) (automatic reset) to prevent the heat-
ing element system from operating at an excessive tempera-
ture. The Heating Section assembly shall slide out of the unit
for easy maintenance and service. Units with Electric Heating
Sections shall be wired for a single point power supply with
branch circuit fusing (where required).
UNIT OPERATING CHARACTERISTICS
Unit shall be capable of starting and running at 125
°
F out-
door temperature, exceeding maximum load criteria of ARI
Standard 210/240. The compressor, with standard controls,
shall be capable of operation down to 0
Standard 210/240. The compressor, with standard controls,
shall be capable of operation down to 0
°
F outdoor tempera-
ture. Unit shall be provided with fan time delay to prevent cold
air delivery before heat exchanger warms up. (Gas heat
only).
air delivery before heat exchanger warms up. (Gas heat
only).
ELECTRICAL REQUIREMENTS
All unit power wiring shall enter unit cabinet at a single factory
provided location and be capable of side or bottom entry to
minimize roof penetrations and avoid unit field modifications.
Separate side and bottom openings shall be provided for the
control wiring.
provided location and be capable of side or bottom entry to
minimize roof penetrations and avoid unit field modifications.
Separate side and bottom openings shall be provided for the
control wiring.
STANDARD LIMITED WARRANTIES
Compressor – 5 Years, Heat Exchanger – 10 Years, Elect.
Heat Elem. – 5 Years, Parts – 1 Year
Heat Elem. – 5 Years, Parts – 1 Year
FACTORY INSTALLED OPTIONAL OUTDOOR AIR (Shall
be made available by either/or):
be made available by either/or):
1.
ELECTRONIC ENTHALPY AUTOMATIC ECONO-
MIZER – Outdoor and return air dampers that are inter-
locked and positioned by a fully-modulating, spring-
return damper actuator. The maximum leakage rate for
the outdoor air intake dampers shall not exceed 2%
when dampers are fully closed and operating against a
pressure differential of 0.5 IWG. A unit-mounted potenti-
ometer shall be provided to adjust the outdoor and return
air damper assembly to take in outdoor air to meet the
minimum ventilation requirement of the conditioned
space during normal operation. During economizer oper-
ation, a mixed-air temperature control shall modulate the
outdoor and return air damper assembly to prevent the
MIZER – Outdoor and return air dampers that are inter-
locked and positioned by a fully-modulating, spring-
return damper actuator. The maximum leakage rate for
the outdoor air intake dampers shall not exceed 2%
when dampers are fully closed and operating against a
pressure differential of 0.5 IWG. A unit-mounted potenti-
ometer shall be provided to adjust the outdoor and return
air damper assembly to take in outdoor air to meet the
minimum ventilation requirement of the conditioned
space during normal operation. During economizer oper-
ation, a mixed-air temperature control shall modulate the
outdoor and return air damper assembly to prevent the
supply air temperature from dropping below 55
°
F.
Changeover from compressor to economizer operation
shall be provided by an integral electronic enthalpy con-
trol that feeds input into the basic module. The outdoor
intake opening shall be covered with a rain hood that
matches the exterior of the unit. Water eliminator/filters
shall be provided. Simultaneous economizer/compressor
operation is also possible. Dampers shall fully close on
power loss. Available with barometric relief or power
exhaust.
shall be provided by an integral electronic enthalpy con-
trol that feeds input into the basic module. The outdoor
intake opening shall be covered with a rain hood that
matches the exterior of the unit. Water eliminator/filters
shall be provided. Simultaneous economizer/compressor
operation is also possible. Dampers shall fully close on
power loss. Available with barometric relief or power
exhaust.
2.
MOTORIZED OUTDOOR AIR DAMPERS – Outdoor and
return air dampers that are interlocked and positioned by
a 2-position, spring-return damper actuator. The maxi-
mum leakage rate for the outdoor air intake dampers
shall not exceed 2% when dampers are fully closed and
operating against a pressure differential of 0.5 IWG. A
unit-mounted potentiometer shall be provided to adjust
the outdoor and return air damper assembly to take in
return air dampers that are interlocked and positioned by
a 2-position, spring-return damper actuator. The maxi-
mum leakage rate for the outdoor air intake dampers
shall not exceed 2% when dampers are fully closed and
operating against a pressure differential of 0.5 IWG. A
unit-mounted potentiometer shall be provided to adjust
the outdoor and return air damper assembly to take in