IRD
SERIES
R-404A
WE MAKE INDOOR AIR BETTER
ICE RINK DEFOGGER®
(PACKAGED)
5 / 7.5 / 10 & 15-TON MODELS
MOISTURE
REMOVAL
RANGE
800F (380C)
TO
0
40 F (+4.50C)
[PATENTED]
APPLICATIONS: ARENAS
NAS | SKATING | HOCKEY | CURLING
TABLE OF CONTENTS
DESIGN FEATURES
2
ELECTRICAL RATING
2
MOISTURE REMOVAL
3
ADDED HEAT
4
NUMBER OF UNITS
PER INSTALLATION
4
INSTALLATION LAYOUT
5
PIPING DIAGRAM
5
PHYSICAL DIMENSIONS
6
NOTES
7
SPECIFICATIONS
8
R-407C UNITS AVAILABLE.
FOR SPECIAL APPLICATIONS, OR HIGH TEMPERATURE APPLICATIONS (IE. ROLLER SKATING RINKS) CONTACT FACTORY.
ELECTRICAL RATINGS
R-404A
DESIGN FEATURES
•­AIRFLOW separated­from­all­refrigeration
components,­inhibits­corrosion.­
•­EASy ACCESS for­service.­Servicing­of­unit
can­be­done­while­unit­is­operating­.
•­ENGINEERED for­ HIGH AIRFLOW
with­design­techniques­to­maintain­optimal
air­flow­through­the­dehumidification­coil
and­maximize­moisture­removal.
•­COIL fin­ material­ specially­ treated­ to
facilitate­draining­of­entrained­moisture­on
evaporator.
•­TRUE SUB-COOLING circuit­to­improve
system­efficiency.
• SUCTION line­heat­exchanger­to­protect­the
compressor­ from­ liquid­ slugging­ during­
the­defrost­cycle.
•­CONTINUOUS fan­operation­to­prevent
humidity­buildup­on­“off”­cycle.
•­240-VOLT control­circuit.
•­EXTERNAL high­and­low­pressure­service
access­valves­and­sight­glass.
• DEMAND defrost­system.
•­STAINLESS STEEL heated­drain­pan­with
large­1­1/4"­MPT­drain­connection.
• INNOVATIVE design­ for­ short­ defrost
cycles­providing­more­operational­time.
MODEL
RATED VOLTAGE
COMPRESSOR
RLA
LRA
BLOWER MOTOR
HP
FLA*
DRAIN PAN MIN. CIRC.
HEATER WATTS AMPS
MAX OVERCUR.
PROT.
WIRE SIZE
60ºC/100 FT.
IRD-­050-­4E­­­­­­­208-­‐240/1/60 ­­­­­­­­28.2 ­­­­­­­­­­­­129­­­­­­­­­­­2 ­­­­­­­­­­­­­9.2­­­­­­­­­­­­­­­195-­255 ­­­­­­­­­­­­­­­45 ­­­­­­­­­­­­­­­­­­­­­­­­70­­­­­­­­­­­­­­­­­­­­­­­­­­­6
IRD-­050-­5E­­­­­­­208-­‐240/3/60 ­­­­­­­­22.8 ­­­­­­­­­­­­164­­­­­­­­­­­2 ­­­­­­­­­­­6­-­5.8­­­­­­­­­­­­­195-­255 ­­­­­­­­­­­­­­­35 ­­­­­­­­­­­­­­­­­­­­­­­­50­­­­­­­­­­­­­­­­­­­­­­­­­­­8
IRD-­050-­7E ­­­­­­­­­­­480/3/60­­­­­­­­­­­­­12.2 ­­­­­­­­­­­­100­­­­­­­­­­­2 ­­­­­­­­­­­­­2.9 ­­­­­­­­­­­­­­­­­­255­­­­­­­­­­­­­­­­­­­19 ­­­­­­­­­­­­­­­­­­­­­­­­30 ­­­­­­­­­­­­­­­­­­­­­­­­­­12
IRD-­050-­8E ­­­­­­­­­­­600/3/60 ­­­­­­­­­­­­­­­9 ­­­­­­­­­­­­­­­78­­­­­­­­­­­­2 ­­­­­­­­­­­­­2.9 ­­­­­­­­­­­­­­­­­­255­­­­­­­­­­­­­­­­­­­15 ­­­­­­­­­­­­­­­­­­­­­­­­20 ­­­­­­­­­­­­­­­­­­­­­­­­­­14
IRD-­075-­5E ­­­­­­­208-­‐240/3/60 ­­­­­­­­26.9­­­­­­­­­­­­225­­­­­­­­­­­3 ­­­­­­­­­­­8.4­-­8 ­­­­­­­­­­­­­195-­255 ­­­­­­­­­­­­­­­43 ­­­­­­­­­­­­­­­­­­­­­­­­60­­­­­­­­­­­­­­­­­­­­­­­­­­­6
IRD-­075-­7E ­­­­­­­­­­­480/3/60­­­­­­­­­­­­­15.7 ­­­­­­­­­­­­114­­­­­­­­­­­3 ­­­­­­­­­­­­­­4­­­­­­­­­­­­­­­­­­­­255­­­­­­­­­­­­­­­­­­­24 ­­­­­­­­­­­­­­­­­­­­­­­­35 ­­­­­­­­­­­­­­­­­­­­­­­­­­10
•­HOT GAS defrost:­quick­efficient­defrost,
minimizes­compressor­cycling.
IRD-­075-­8E ­­­­­­­­­­­600/3/60­­­­­­­­­­­­­11.2 ­­­­­­­­­­­­­80­­­­­­­­­­­­3 ­­­­­­­­­­­­­3.1 ­­­­­­­­­­­­­­­­­­255­­­­­­­­­­­­­­­­­­­18 ­­­­­­­­­­­­­­­­­­­­­­­­25 ­­­­­­­­­­­­­­­­­­­­­­­­­­12
•­FACTORy assembled,­ wired,­ charged­
and­tested.
IRD-­100-­7E ­­­­­­­­­­­480/3/60­­­­­­­­­­­­­17.9 ­­­­­­­­­­­­125­­­­­­­­­­­5 ­­­­­­­­­­­­­6.4 ­­­­­­­­­­­­­­­­­­255­­­­­­­­­­­­­­­­­­­29 ­­­­­­­­­­­­­­­­­­­­­­­­45­­­­­­­­­­­­­­­­­­­­­­­­­­­8
IRD-­100-­5E­­­­­­­­208-­240/3/60 ­­­­­­­­­37.2 ­­­­­­­­­­­­239­­­­­­­­­­­5­­­­­­­­13.8­-­12.8­­­­­­­­­­195-­255­­­­­­­­­­­­­­­­61 ­­­­­­­­­­­­­­­­­­­­­­­­90­­­­­­­­­­­­­­­­­­­­­­­­­­­6
IRD-­100-­8E ­­­­­­­­­­­600/3/60­­­­­­­­­­­­­16.3 ­­­­­­­­­­­­­80­­­­­­­­­­­­5 ­­­­­­­­­­­­­5.1 ­­­­­­­­­­­­­­­­­­255­­­­­­­­­­­­­­­­­­­26 ­­­­­­­­­­­­­­­­­­­­­­­­40 ­­­­­­­­­­­­­­­­­­­­­­­­­­10
IRD-­150-­5E ­­­­­­­­208-­240/3/60 ­­­­­26.9­(2X) ­­­­225­(2X)­­­­­­­5­­­­­­­­13.8­-­12.8­­­­­­­­­­195-­255 ­­­­­­­­­­­­­­­75 ­­­­­­­­­­­­­­­­­­­­­­­100 ­­­­­­­­­­­­­­­­­­­­­­­­­­4
IRD-­150-­7E ­­­­­­­­­­­480/3/60­­­­­­­­­15.7­(2X)­­­­­114­(2X) ­­­­­­­5 ­­­­­­­­­­­­­6.4 ­­­­­­­­­­­­­­­­­­255­­­­­­­­­­­­­­­­­­­42 ­­­­­­­­­­­­­­­­­­­­­­­­50­­­­­­­­­­­­­­­­­­­­­­­­­­­6
IRD-­150-­8E ­­­­­­­­­­­600/3/60 ­­­­­­­­­11.2­(2X)­­­­­­80­(2X)­­­­­­­­5 ­­­­­­­­­­­­­5.1 ­­­­­­­­­­­­­­­­­­255­­­­­­­­­­­­­­­­­­­31 ­­­­­­­­­­­­­­­­­­­­­­­­40­­­­­­­­­­­­­­­­­­­­­­­­­­­8
NOTE:­IRD-­150­UNITS­HAVE­2­CIRCUITS.­­­BLOWER­MOTOR­IS­A­WATT­SAVER­TYPE
3
PERFORMANCE CHARACTERISTICS
MOISTURE
REMOVAL IN LB./HR.
MODEL
R-404A
ENTERING
AIR oF DB
100
90
RELATIVE HUMIDITy
80
70
60
50
IRD-050­­­­­­­­­­­­­80 ­­­­­­­­­­­­­­­­­­57.6­­­­­­­­­­­­­­­­­52.9 ­­­­­­­­­­­­­­­43.6 ­­­­­­­­­­­­­­­­34.7 ­­­­­­­­­­­­­­­­­25.4­­­­­­­­­­­­­­­­14.6
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­70­­­­­­­­­­­­­­­­­­52.0 ­­­­­­­­­­­­­­­­44.9­­­­­­­­­­­­­­­­37.5­­­­­­­­­­­­­­­­­29.6­­­­­­­­­­­­­­­­­­21.5­­­­­­­­­­­­­­­­12.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­60­­­­­­­­­­­­­­­­­­43.4­­­­­­­­­­­­­­­­­37.1­­­­­­­­­­­­­­­­30.7­­­­­­­­­­­­­­­­­24.1­­­­­­­­­­­­­­­­­­20.0­­­­­­­­­­­­­­­­­9.7
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­50­­­­­­­­­­­­­­­­­­34.7 ­­­­­­­­­­­­­­­­29.3­­­­­­­­­­­­­­­­24.1­­­­­­­­­­­­­­­­­18.4­­­­­­­­­­­­­­­­­­12.5­­­­­­­­­­­­­­­­­6.8
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­40­­­­­­­­­­­­­­­­­­30.4­­­­­­­­­­­­­­­­­22.1­­­­­­­­­­­­­­­­17.6­­­­­­­­­­­­­­­­­13.4­­­­­­­­­­­­­­­­­­­9.0­­­­­­­­­­­­­­­­­­4.7
IRD-075­­­­­­­­­­­­­80­­­­­­­­­­­­­­­­­­80.2 ­­­­­­­­­­­­­­­­70.7­­­­­­­­­­­­­­­­61.9­­­­­­­­­­­­­­­­­51.7­­­­­­­­­­­­­­­­­­41.9 ­­­­­­­­­­­­­­­­31.5
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­70 ­­­­­­­­­­­­­­­­­­67.5­­­­­­­­­­­­­­­­­59.5­­­­­­­­­­­­­­­­51.3­­­­­­­­­­­­­­­­­42.3 ­­­­­­­­­­­­­­­­­33.6­­­­­­­­­­­­­­­­24.1
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­60­­­­­­­­­­­­­­­­­­55.5 ­­­­­­­­­­­­­­­­48.0 ­­­­­­­­­­­­­­­40.8 ­­­­­­­­­­­­­­­­34.2 ­­­­­­­­­­­­­­­­­26.6­­­­­­­­­­­­­­­­18.1
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­50­­­­­­­­­­­­­­­­­­43.2 ­­­­­­­­­­­­­­­­36.7 ­­­­­­­­­­­­­­­30.9 ­­­­­­­­­­­­­­­­25.2­­­­­­­­­­­­­­­­­­19.1 ­­­­­­­­­­­­­­­­13.4
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­40 ­­­­­­­­­­­­­­­­­­31.1­­­­­­­­­­­­­­­­­27.0­­­­­­­­­­­­­­­­22.7­­­­­­­­­­­­­­­­­18.1­­­­­­­­­­­­­­­­­­13.6­­­­­­­­­­­­­­­­­9.4
IRD-100­­­­­­­­­­­­­80­­­­­­­­­­­­­­­­­­93.6 ­­­­­­­­­­­­­­­­83.0 ­­­­­­­­­­­­­­­71.2­­­­­­­­­­­­­­­­­57.2­­­­­­­­­­­­­­­­­­43.7­­­­­­­­­­­­­­­­29.9
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­70 ­­­­­­­­­­­­­­­­­­81.0­­­­­­­­­­­­­­­­­71.2 ­­­­­­­­­­­­­­­60.0 ­­­­­­­­­­­­­­­­48.2 ­­­­­­­­­­­­­­­­­35.6­­­­­­­­­­­­­­­­22.7
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­60­­­­­­­­­­­­­­­­­­69.0 ­­­­­­­­­­­­­­­­59.6 ­­­­­­­­­­­­­­­58.3­­­­­­­­­­­­­­­­­40.1­­­­­­­­­­­­­­­­­­29.2­­­­­­­­­­­­­­­­18.6
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­50­­­­­­­­­­­­­­­­­­54.2 ­­­­­­­­­­­­­­­­46.7 ­­­­­­­­­­­­­­­38.0 ­­­­­­­­­­­­­­­­29.8­­­­­­­­­­­­­­­­­­21.2­­­­­­­­­­­­­­­­13.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­40­­­­­­­­­­­­­­­­­­40.0 ­­­­­­­­­­­­­­­­34.2­­­­­­­­­­­­­­­­27.8­­­­­­­­­­­­­­­­­21.3­­­­­­­­­­­­­­­­­­14.8­­­­­­­­­­­­­­­­­8.8
IRD-150­­­­­­­­­­­­­80 ­­­­­­­­­­­­­­­­­160.4­­­­­­­­­­­­­­­141.3­­­­­­­­­­­­­­123.8­­­­­­­­­­­­­­­103.3­­­­­­­­­­­­­­­­­83.7­­­­­­­­­­­­­­­­63.0
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­70 ­­­­­­­­­­­­­­­­­135.0­­­­­­­­­­­­­­­119.0­­­­­­­­­­­­­­102.6­­­­­­­­­­­­­­­­84.6­­­­­­­­­­­­­­­­­­67.1 ­­­­­­­­­­­­­­­­48.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­60­­­­­­­­­­­­­­­­­­111.1 ­­­­­­­­­­­­­­­­95.9­­­­­­­­­­­­­­­­81.5­­­­­­­­­­­­­­­­­68.4­­­­­­­­­­­­­­­­­­53.1­­­­­­­­­­­­­­­­36.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­50­­­­­­­­­­­­­­­­­­86.4 ­­­­­­­­­­­­­­­­73.4­­­­­­­­­­­­­­­­61.7­­­­­­­­­­­­­­­­­50.4 ­­­­­­­­­­­­­­­­­38.2­­­­­­­­­­­­­­­­26.8
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­40­­­­­­­­­­­­­­­­­­62.3 ­­­­­­­­­­­­­­­­54.0 ­­­­­­­­­­­­­­­45.4 ­­­­­­­­­­­­­­­­36.2­­­­­­­­­­­­­­­­­­27.2­­­­­­­­­­­­­­­­18.7
NOTE:­IRD-­‐150­UNITS­HAVE­2­CIRCUITS
ADDED HEAT
IN MBH
MODEL
ENTERING
AIR oF DB
100
90
RELATIVE HUMIDITy
80
70
60
50
IRD-050­­­­­­­­­­­­­80 ­­­­­­­­­­­­­­­­­115.0­­­­­­­­­­­­­­­105.9 ­­­­­­­­­­­­­­96.7 ­­­­­­­­­­­­­­­­84.6 ­­­­­­­­­­­­­­­­­72.9­­­­­­­­­­­­­­­­77.3
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­70 ­­­­­­­­­­­­­­­­­­99.1­­­­­­­­­­­­­­­­­90.4 ­­­­­­­­­­­­­­­80.7­­­­­­­­­­­­­­­­­71.9­­­­­­­­­­­­­­­­­­63.7­­­­­­­­­­­­­­­­55.9
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­60 ­­­­­­­­­­­­­­­­­­84.1­­­­­­­­­­­­­­­­­73.9 ­­­­­­­­­­­­­­­68.0­­­­­­­­­­­­­­­­­61.2­­­­­­­­­­­­­­­­­­53.5­­­­­­­­­­­­­­­­45.7
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­50 ­­­­­­­­­­­­­­­­­­68.1­­­­­­­­­­­­­­­­­63.7 ­­­­­­­­­­­­­­­58.8 ­­­­­­­­­­­­­­­­52.0 ­­­­­­­­­­­­­­­­­44.7­­­­­­­­­­­­­­­­36.9
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­40­­­­­­­­­­­­­­­­­­54.4­­­­­­­­­­­­­­­­­50.1 ­­­­­­­­­­­­­­­46.2­­­­­­­­­­­­­­­­­41.8­­­­­­­­­­­­­­­­­­37.7­­­­­­­­­­­­­­­­33.5
IRD-075­­­­­­­­­­­­­80 ­­­­­­­­­­­­­­­­­130.7­­­­­­­­­­­­­­­120.6­­­­­­­­­­­­­­106.3­­­­­­­­­­­­­­­­92.7 ­­­­­­­­­­­­­­­­­79.0 ­­­­­­­­­­­­­­­­67.1
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­70 ­­­­­­­­­­­­­­­­­109.3­­­­­­­­­­­­­­­­98.0­­­­­­­­­­­­­­­­87.9­­­­­­­­­­­­­­­­­76.0­­­­­­­­­­­­­­­­­­64.2­­­­­­­­­­­­­­­­52.3
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­60 ­­­­­­­­­­­­­­­­­­87.9­­­­­­­­­­­­­­­­­80.2 ­­­­­­­­­­­­­­­70.7 ­­­­­­­­­­­­­­­­60.0 ­­­­­­­­­­­­­­­­­50.5­­­­­­­­­­­­­­­­44.0
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­50­­­­­­­­­­­­­­­­­­69.5 ­­­­­­­­­­­­­­­­60.0 ­­­­­­­­­­­­­­­53.5 ­­­­­­­­­­­­­­­­46.3 ­­­­­­­­­­­­­­­­­39.2­­­­­­­­­­­­­­­­32.7
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­40­­­­­­­­­­­­­­­­­­46.2 ­­­­­­­­­­­­­­­­46.9 ­­­­­­­­­­­­­­­40.4 ­­­­­­­­­­­­­­­­36.2­­­­­­­­­­­­­­­­­­31.5­­­­­­­­­­­­­­­­26.1
IRD-100­­­­­­­­­­­­­80 ­­­­­­­­­­­­­­­­­165.0­­­­­­­­­­­­­­­149.1­­­­­­­­­­­­­­132.8­­­­­­­­­­­­­­­114.2 ­­­­­­­­­­­­­­­­­97.2 ­­­­­­­­­­­­­­­­81.8
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­70 ­­­­­­­­­­­­­­­­­140.9­­­­­­­­­­­­­­­125.6­­­­­­­­­­­­­­110.2­­­­­­­­­­­­­­­­94.8­­­­­­­­­­­­­­­­­­81.0­­­­­­­­­­­­­­­­65.6
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­60 ­­­­­­­­­­­­­­­­­111.0 ­­­­­­­­­­­­­­­100.4 ­­­­­­­­­­­­­­88.3­­­­­­­­­­­­­­­­­76.1­­­­­­­­­­­­­­­­­­64.0­­­­­­­­­­­­­­­­51.8
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­50 ­­­­­­­­­­­­­­­­­­89.1­­­­­­­­­­­­­­­­­79.4 ­­­­­­­­­­­­­­­68.9 ­­­­­­­­­­­­­­­­59.9 ­­­­­­­­­­­­­­­­­48.6­­­­­­­­­­­­­­­­38.9
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­40­­­­­­­­­­­­­­­­­­64.0 ­­­­­­­­­­­­­­­­58.3­­­­­­­­­­­­­­­­51.8­­­­­­­­­­­­­­­­­46.2 ­­­­­­­­­­­­­­­­­39.7­­­­­­­­­­­­­­­­29.2
IRD-150
80 ­­­­­­­­­­­­­­­­­261.4 ­­­­­­­­­­­­­­­241.2­­­­­­­­­­­­­­212.6­­­­­­­­­­­­­­­185.4­­­­­­­­­­­­­­­­158.0­­­­­­­­­­­­­­134.2
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­70 ­­­­­­­­­­­­­­­­­218.6­­­­­­­­­­­­­­­196.0 ­­­­­­­­­­­­­ 175.8­­­­­­­­­­­­­­ 152.0­­­­­­­­­­­­­­­ 128.4 ­­­­­­­­­­­­­104.6
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­60 ­­­­­­­­­­­­­­­­­175.8­­­­­­­­­­­­­­­160.4­­­­­­­­­­­­­­141.4­­­­­­­­­­­­­­­120.0­­­­­­­­­­­­­­­­101.0­­­­­­­­­­­­­­­88.0
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­50 ­­­­­­­­­­­­­­­­­139.0­­­­­­­­­­­­­­­120.0­­­­­­­­­­­­­­107.0­­­­­­­­­­­­­­­­92.6­ ­­­­­­­­­­­­­­­­78.4­­­­­­­­­­­­­­­­65.4
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­40­­­­­­­­­­­­­­­­­­92.4 ­­­­­­­­­­­­­­­­93.8 ­­­­­­­­­­­­­­­80.8­­­­­­­­­­­­­­­­ 72.4­­­­­­­­­­­­­­­­­63.0 ­­­­­­­­­­­­­­­ 52.2
NOTE:­IRD-­150­UNITS­HAVE­2­CIRCUITS
GUIDELINES
FOR UNIT
NUMBER OF UNITS
APPLICATION
IRD 050
IRD 075
IRD 100
Curling-up­to­4­rinks­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­1­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­
Curling-more­than­4­rinks­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­2­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­
Skating-with­no­spectator ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­1­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­
Skating-up­to­500­spectators­(1­side­of­rink) ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­2­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­
Skating-500­to­1000­spectators­(2­sides­of­rink) ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­3­­­­­­­­­­­­­­­­­­­­­­­­­­­­Or­2 ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­
Skating-1000­to­1500­spectators­(4­sides­of­rink) ­­­­­­­­­­­­­­­­­­­­­­­­­­­4­­­­­­­­­­­­­­­­­­­­­­­­­­­­Or­3­
Multiple­ice­surfaces­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­x
NOTE:­IRD-150­UNIT­REfER­TO­fACTORY
4
INSTALLATION
R-404A
1. Direct­the­airflow­along­the­boards;­do­not­direct­air­over­the­surface.
2. Discharge­duct­equipped­with­horizontally­and­vertically­adjustable­louvers
(supplied­by­others).
SUGGESTED PLATFORM
3. Unit­should­be­15­to­25­feet­above­ice­surface.­(Y)
4. Unit­should­be­at­a­minimum­of­4­feet­from­nearest­obstruction.­(X)
LOCATING THE DEFOGGER®
PIPING DIAGRAM
REFRIGERATION CyCLE
HOT GAS DEFROST CyCLE
5
PROPOSED DIFFUSER
PHySICAL DIMENSIONS
R-404A
­­­1.­­Humidistat
­­­2.­­Running­compressor­light
13
14
­­­3.­­Toggle­switch­for­emergency
WID
E
12
­­­4.­­Power­supply­entry
EP
DE
­­­5.­­High­and­low­pressure­taps
11
­­­6.­­Access­door­for­electrical­
and­compressor
­­­7.­­Access­door­for­expansion­valve
­­­8.­­Liquid­sight­glass
­­­9.­­Compressor­removal­access­door
1 2
3
­10.­­Mounting­bolts­for­discharge­
diffuser
4
­­11.­­Blower­motor­and­belt­access­door
8
7
10
­12.­­Drain­pan­access­door­
(Drain­1­1/4­MPT)
6
9
­13.­­Air­filter­access­door
5
ANC
HOR
ANC WIDE C/C
HOR
+1
1/2
­14.­­Air­intake­and­evaporator­coil­face
MODEL#
OVERALL DIMENSIONS (INCHES)
WIDE
IRD-050
IRD-075
IRD-100
DEEP
HIGH
ANCHOR C/C
WIDE
DEEP
BLOWER
DISCHARGE (INCHES)
WIDE
HIGH
60
48
37­1/2
61­1/4
40­5/8
18­5/8
15­7/8
1524
1219
953
1556
1032
473
403
60
48
37­1/2
61­1/4
40­5/8
18­5/8
15­7/8
1524
1219
953
1556
1032
473
403
66
44
53­3/4
67­1/3
40­5/8
22­1/4
19­1/4
1676
1118
1365
1710
1032
565
489
51.5
54­3/4
76­5/8
48­1/4
22­1/4
19­1/4
1308
1391
1946
1226
565
489
IRD-150 75.375
1915
AIR
VOLUME
R
O
CH/C P
AN C EE
D
FILTERS
CFM
4500
5500
7500
10000
LB.
16x20x2­(2)
20x20x2­(2)
932
406x508x25.4­(2)
508x508x25.4­(2)
423
16x20x2­(2)
20x20x2­(2)
932
406x508x25.4­(2)
508x508x25.4­(2)
423
20x25x2­(4)
1306
508x­635x25.4­(4)
593
16x25x2­(6)
1650
406x­635x25.4­(6)
750
STANDARD­UNIT­IS­DESIgNED­fOR­0­EXTERNAL­STATIC­PRESSURE;­fOR­UNITS­WITH­MORE­THAN­0.25"­ESP,­CONTACT­fACTORY
6
UNIT
NET WEIGHT
NOTES
R-404A
7
SPECIFICATIONS
R-404A
The­contractor­shall­furnish­and­install­where­shown
on­ the­ plan­ (­ ­ ­ ­ ­ ­ ­ )­ Thermoplus Air
ICE­RINK­DEfOggER® of­the­size­indicated.
DEFROST HEAT EXCHANGER shall­ be­ included­in­each­unit­to­eliminate­flood­back­on­defrost­cycle.
Installation­shall­include­mounting­platform­and­
discharge­ diffuser.­ Each­ unit­ shall­ be­ factory­
assembled­and­include­the­following:
RECEIVER shall­ be­ sized­ to­ hold­ the­ total­
refrigerant­charge­for­easy­service­of­the­unit.­Rotolock­valves­shall­be­supplied­at­inlet­and­outlet­to
isolate­the­refrigerant­charge.
CASING shall­be­heavy­gauge­steel­painted­white­
with­powder­paint.­Internal­heated­drain­pan­shall
be­constructed­of­stainless­steel­with­1­1/4­MPT­
connection.
UNIT shall­be­anchored­to­the­platform­with­integral­anchoring­rails­included­in­the­casing.
AIRFLOW shall­be­separated­from­refrigeration­
components­ for­ easy­ servicing­ of­ unit­ while­ in­
operation.
COMPRESSOR shall­be­heavy­duty,­scroll,­suction­cooled­with­internal­motor­protection,­liquid
slugging­protection­and­centrifugal­oil­pump­for
long­trouble­free­operation.­Compressor­will­have
internal­suspension­system­and­shall­be­installed
with­external­rubber­vibration­absorber­for­vibration-free­operation.­Compressors­shall­be­supplied
with­a­crankcase­heater­to­prevent­refrigerant­migration­and­rotolock­valve­for­service.
SUCTION ACCUMULATOR with­boil­out­coil­
shall­be­included­in­each­unit­in­the­refrigerant­path
to­ensure­liquid-free­refrigerant­at­the­compressor.
Also­improves­system­efficiency­by­subcooling­the
liquid.
EXPANSION VALVE shall­ be­ balanced­ port
type,­specially­engineered­to­operate­efficiently­at
low­ head­ pressure,­ thus­ reducing­ the­ power
consumption­at­low­ambient.
COILS (Evaporator,­ Condenser,­ Subcooler­ and
Desuperheater)­shall­be­constructed­of­die­formed,
collared,­ self-spacing­ aluminum­ plate­ fin­ and­
copper­tube­staggered­in­direction­of­airflow­and
mechanically­ bonded­ to­ give­ metal­ to­ metal­
contact­for­maximum­heat­transfer­and­patented
desuperheating­of­the­refrigerant­circuitry.­All­coils
shall­ be­ leak­ pressure­ tested­ after­ welding­ at­
400­psig.
FILTERS shall­be­2­inches,­throw-away­type,­in­an
accessible­filter­rack­with­access­door.
CENTRIFUGAL BLOWERS shall­be­forward­
curved­ statically­ and­ dynamically­ balanced,
designed­ for­ efficient­ operation­ and­ shall­ have­
permanently­lubricated­ball­bearings.­Blowers­shall
operate­constantly­to­maintain­even­humidity­within
the­controlled­area.
PIPING shall­be­copper­tube,­brazed­connections.
Access­fittings­for­high­and­low­pressure­shall­be
located­outside­the­enclosure.­Each­system­shall­be
evacuated,­dehydrated,­and­charged­with­operating
charge­of­R-404A.­Each­system­shall­be­tested­for­
performance­and­rating.
CONTROLS shall­be­located­in­an­accessible,­prewired,­ central­ control­ panel.­ Control­ panel­ shall
include­compressor­contactor,­blower­motor­starter,
high­ and­ low­ pressure­ switch,­ time­ delay­ timer,
defrost­control,­­ and­low­ambient­thermostat.­Additionally,­a­humidistat­shall­be­supplied­and­installed
outside­the­control­panel,­on­the­exterior­of­the­unit
along­with­"Compressor­running"­indicator­light­and
"On-Off"­for­emergency­shutdown­of­the­blower­and
compressor.
PUMP DOWN CyCLE All­units­to­operate­on­a
pump­down­cycle­for­a­liquid­free­starting­of­the
compressor­and­to­minimize­refrigerant­migration.
DEFROST SySTEM shall­ be­ of­ the­ Demand­
Defrost­ type,­ time­ actuated­ and­ temperature­
terminated.­ The­ hot­ gas­ defrost­ cycle­ shall­ be­
energized­on­fixed­time­intervals­if­ice­is­present­
on­ the­ evaporator­ and­ shall­ stop­ when­ the­
evaporator­is­ice­free.
BLOWER MOTOR shall­be­open­drip­proof,­ball
bearing­ type,­ permanently­ lubricated.­ Overload
relay­shall­be­provided­to­protect­all­current­phases.
Thermoplus Air Inc. reserves the right to make any changes in the design or specifications of any product, at any time, without prior notice.
USA & CANADA
1­888­336­PLUS­(7587)
fax:­(450)­436-5970
262­Scott­Street,­Saint-Jérôme,­Québec,­Canada­­J7Z­1H1
Tel.:­(450)­436-7555­­fax:­(450)­436-5970
1
www.thermoplus.com
© Copyright­2015­by­Thermoplus­Air­Inc.