Page 1
Hazardgard
LISTED
Hazardous Location Room Air Conditioners
PURCHASER P.O. # DATE
PROJECT LOCATION
ENGINEER ARCHITECT
SUBMITTED BY FOR APPROVAL FOR REFERENCE
ITEM PLAN DESIGNATION QUANTITY COOLING BTU/H VOLTAGE FRIEDRICH MODEL
®
UL LISTED
for CLASS 1, DIV 2,
GROUPS A, B, C and D.
CERTIFIED
in accordance with
ISA 12.12.01 and NFPA 70
(NATIONAL ELECTRIC CODE),
ANSI/UL 484 Room Air Conditioners
KSA REGISTERED
and TESTED in accordance with
SASO 2681*
Features
• Direct wire connection
• Utilizes direct-wired, 15-amp circuit
with time-delay fuse
• Hermetically sealed reciprocating
compressor
• 22 gauge steel cabinet
• Larger, commercial grade fan motor
with hermetically sealed overload for
arc-free operation
• Permanent split capacitor and totally
enclosed fan motor
• Enclosed fan motor has hermetically
sealed overload for arc-free operation
• Hermetically sealed refrigeration
system
• Environmentally sealed on/off switch
and gold plated contacts in thermostat
for corrosion resistance
• Solid-state relays for compressor and
fan operation
• Hot gas bypass allows the air
conditioner to operate at low ambient
conditions without freezing
Coils coated for corrosion
resistance
MODEL SH24N20
• ElectroFin® 5-stage, immersion ecoat
process on 100% of metallic surfaces on the
outdoor coil provides outstanding corrosion
resistance protection in coastal or corrosive
environments.
ELECTROFIN BENEFITS:
• Excellent adhesion characteristics
• Less than 1% thermal degradation
• Outstanding chemical resistance
• Passed 6048 hrs.ASTM B-117 Salt Spray
ELECTROFIN MEETS THE FOLLOWING:
• MIL-C-46168 Chemical Agent Resistance
DS2, HCI Gas
-
• CID A-A-52474A (GSA)
• MIL-STD 810F, Method 509.4 (Sand and Dust)
• MIL-P-53084 (ME)-TACOM Approval
• MIL-DTL-12468 Decontamination Agent (STB)
• DPG (Douglas Proving Grounds) Soil & Water
Exposure Tests
• GM9540P-97 Accelerated Corrosion Test (120
cycles)
• ASTM B117-G85 Modied Salt Spray (Fog)
Testing-2,000 hours
• ASTM B117 Salt Spray (tested by ARL for
Lockheed Martin)
*Only for model SH20M30B
Hazardgard_Submital_2018
MODELS SH15M30A, SH20M30B,
SH20M30SA, SH20M50A
• Diamonblue Advanced Corrosion
Protection™ on the outdoor coil
protects the coil against deterioration
and extends the life of the unit
especially in coastal or corrosive
environments.
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2
3
4
27 3/8" (695mm)
1
2
Installation: Wall Cut Out & Chassis Dimensions
Hazardgard Model: SH15M30A
16 3/16" (408mm)
26 3/16" (662mm)
BUILDING WALL CUT OUT
FOR UNIT/SLEEVE
15 15/16" (405mm)
25 15/16" (660mm)
CONDENSER AIR OUTLET
AT REAR OF UNIT
25 15/16" (660mm)
SUPPLY
Hazardgard
INDOOR, FACE VIEW
SUPPLY
RETURN
27 3/8" (695mm)
CONDENSER AIR INLET
ON BOTH SIDES OF UNIT
BUILDING WALL
TOP VIEW
Page 3
Installation: Wall Cut Out & Chassis Dimensions
2
3
4
27 3/8" (695mm)
1
2
Hazardgard Model: SH20M30B / SH20M30SA / SH20M50A / SH24N20
18 3/16" (460mm)
26 3/16" (662mm)
BUILDING WALL CUT OUT
FOR UNIT/SLEEVE
17 15/16" (456mm)
25 15/16" (660mm)
CONDENSER AIR OUTLET
AT REAR OF UNIT
25 15/16" (660mm)
SUPPLY
Hazardgard
INDOOR, FACE VIEW
SUPPLY
RETURN
27 3/8" (695mm)
TOP VIEW
CONDENSER AIR INLET
ON BOTH SIDES OF UNIT
BUILDING WALL
Page 4
LISTED
SPECIFICATIONS
Model
Electrical Characteristics
Circuit Rating Breaker or
Cooling Capacity
Btu/Hr. Amps Watts Volts - Amps EER
Volts
Rated
Cooling Cooling
T - D Fuse
Energy
Efciency
Ratio
Moisture
Removal
Air
Circulation Refrigerant
Pints/ Hr CFM
6 0 H E R T Z
SH15M30A 14500/14000 230/208 6.9/7.5 1495/1443 250V-15 9.7/9.7 4.0 375 R-410 A
SH20M30B 19000/19000 230/208 8.5/9.4 1965 /1970 250V-15
SH20M30SA 19000/19000 230/208 8.5/9.4 1965/1970 250V-15
(230V) / 250V-20 (208V)
(230V) / 250V-20 (208V)
9.7/9.6 5.5 375 R-410A
9.7/9.6 5.5 375 R-410A
SH24N20 24000/23700 230/208 12.6/13.5 2727/2788 250V-30 8.8/8.5 8.0 /7.5 385 R-410A
50 HERTZ
SH20M50A 19500/19100 240/220 9.8/ 10.3 2167/2156 250V-15 9.0 /9.0 5.6/5.5 425 R-410A
SH24N20 21000/20500 240/220 15.0 /13.2 2600/2412 250V-30 8.1/8.5 7.0/ 7.0 360 R- 410 A
INSTALLATION INFORMATION
Model
SH15M30A 15
SH20M30B 17
SH20M30SA 17
SH20M50A 17
SH24N20 17
Height Width
15
15
15
15
15
/
16” 25
/
16” 25
/
16” 25
/
16” 25
/
16” 25
15
15
15
15
15
Depth with
/
16” 27
/
16” 27
/
16” 27
/
16” 27
/
16” 27
Dimensions
Inches
Depth J Box
Front
to Louvers
(A)
3
/
8” 6” 3
3
/
8” 6” 3
3
/
8” 6” 3
3
/
8” 6” 3
3
/
8” 6” 3
Minimum
Extension
Into Room
1
/
16” 16
1
/
16” 16
1
/
16” 16
1
/
16” 16
1
/
16” 16
Window Width
Inches
Minimum
Extension
Outside Min. Max. Height Width Max. Depth Net Shipping
15
/
16” 27
15
/
16” 27
15
/
16” 27
15
/
16” 27
15
/
16” 27
7
/
8” 42” 16
7
/
8” 42” 18
7
/
8” 42” 18
7
/
8” 42” 18
7
/
8” 42” 18
In-Wall Installation
Finished Hole Inches
3
/
3
/
3
/
3
/
3
/
16” 26
16” 26
16” 26
16” 26
16” 26
3
/
16” 6” 140 167
3
/
16” 6” 166 170
3
/
16” 6” 166 170
3
/
16” 6” 171 175
3
/
16” 6” 180 185
Weight
Lbs.
Due to continuing engineering research and technology, specications are supbject to change wihtout notice.
U.S. MA XIMUM outdoor ambient operating temperature is 130ºF. (55ºC) MAXIMUM TEMPERATURE RATING FOR CLASS 1,
DIVISION 2, GROUPS A, B, C, D.
Capacity and efciency values at each climate conditions are available upon request.
NOTE: Hazardgard unit must be hard-wired.
Manufactured under Design Patent DES 368, 306 decorative front; Utility Patent 5, 662, 058.
T4 temperature classication means unit surface temperatures will not
rise above 135° C/275° F. Operates at low ambient conditions without
freezing at outdoor ambient temperatures as low as 7° C/45° F.
Sleeve Dimensions Drawing
(A)
Tolerates higher outdoor temperatures up to 55° C /130° F.
Equipment is certified in accordance with ISA 12.12.01 and NFPA 70-10
(National Electric Code)
Max.
Wall
Depth
ARTICLE 501 ARTICLE 505
Class I, Div. 2, Group A and Group B Class I, Zone 2, Group IIC
Class I, Div. 2, Group B
s I, Zone 2, Group IIB
Clas
plus hydr
ogen, or “+H2”
Class I, Div. 2, Group C Class I, Zone 2, Group IIB
Class I, Div. 2, Group D
s I, Zone 2, Group IIA
Clas
SIDE VIEW
Junction
Box
Front
Hazardgard_Submital_2018
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