OQ95M-200
Keeping families warm for more than 60 years.
OQ95M-200
92.5% AFUE Residential Gas Fired Modulating Condensing Boiler
• High Efficiency Cast Aluminum Monoblock Heat Exchanger
with low pressure drop.
• Microprocessor Based Modulating Control.
- Monitors the supply and return water temperature, adjusting the boiler
firing rate to match the building load conditions.
• Hi-Limit Control with LED display and self diagnostic features.
• Low Water Cut Off.
• Boiler Temperature Reset.
- Lowers the boiler supply water temperature depending on outdoor air
temperature. Saves fuel without sacrificing comfort.
• Domestic Hot Water Priority.
• Easy to Install & Service.
- Intake and flue gasses can be piped with readily available
3” PVC up to 100 equivalent feet.
- Option of left, right, or rear exit for return plumbing and gas piping.
- Piping connections facilitate multiple boiler installations.
- Integral Condensate Trap.
• Limited 15 Year Warranty.
• Made In North America.
Olsen OQ95M-200 Natural or Propane Gas-Fired Modulating Condensing Hot Water Boiler
Dimensions/Weights
Model
OQ95M-200
18"
Heating
Capacity
(MBH) (1)(2)
Boiler Input Rate
(MBH) (1)
Net AHRI
Rating, Water
(MBH) (1) (3)
Max.
Min.
Max.
Min.
Max.
Min.
200
80
182
75
158
65
AFUE % (2)
92.5%
(1) 1000 Btu/hr (British Thermal Units Per Hour)
(2) Heating Capacity and AFUE (Annual Fuel Utilization Efficiency) are based on DOE (Department of Energy) test procedures.
(3) Net AHRI Ratings based on piping and pickup allowance of 1.15. Contact Technical Support before selecting boiler for installations having unusual piping and
pickup requirements, such as intermittent system operation, extensive piping systems, etc.
General Information (See Installation, Operation and Maintenance Manual for complete instructions)
Combustible Materials
(Required) (4)
Service (5)
Top
1” (2.5 cm)
8” (20.3 cm)
Left Side
1” (2.5 cm)
24” (61 cm)
Right Side
1” (2.5 cm)
-
Clearances
front
STANDARD SUPPLY OPENING
1 1/4 NPT CONNECTIONS
PROVIDED INSIDE BOILER
CABINET.
OPENING FOR
VENT TEE
EXHAUST (2" CVPC)
(4) Required
distances
measured from
boiler.
(5) Service, proper
operation clearance
recommendation.
Note: May be
installed on
combustible
flooring
(No Carpets).
top
AIR VENT INTAKE
OPENING 2" PVC
(OPTIONAL)
Front
0” (0 cm)
24” (61 cm)
Back
6” (15.2 cm)
-
Bottom
1” (2.5 cm)
-
0” (0 cm)
-
Combustion Air/Vent Piping
3” Pipe
GAS SUPPLY
OPENING 1/2 NPT
(OPTIONAL)
WATER RETURN OPENING
1 1/4 NPT CONNECTION
(OPTIONAL)
left
Combustion
Air & Vent Pipe
Equivalent
Length
Min. Length
15 Ft. (4.6 m)
Max. Length
100 Ft. (30.5 m)
Vent Pipe - First 2.5’ (.762 m) is Schedule 80 2” CPVC (provided), then Schedule 40 3” PVC.
Air Intake - Schedule 40 3” PVC.
Notes: 3” Pipe Min. Venting - 15 ft. equivalent length, 3” Pipe Max. Venting - 100 ft. equivalent length.
Reduce the maximum vent length by 5’ per each 90° elbow. Refer to IOM for additional piping details.
30 7/8"
GAS SUPPLY OPENING
1/2 NPT (OPTIONAL)
ELECTRICAL CONNECTION
FOR 120V POWER & 24 V
THERMOSTAT LEADS
Return/Supply Water
Gas In
Condensate Drain
1-1/4” NPT
1/2” NPT
1/2” PVC
Connections
Note: Option of left, right, or rear exit for return plumbing and gas piping.
WATER RETURN OPENING
1 1/4 NPT CONNECTION
(OPTIONAL)
right
Electrical
120 Volts AC, 60 hertz, 1 phase, Less than 12 amps (15 amp circuit recommended)
Water Content
2.6 Gallons
Standard
Equipment
Boiler Control Module: Microprocessor based Modulating Control, Hi-Limit Control.
User Display Interface: Temperature Display. Outdoor temperature sensor with cover included.
Heat Exchanger: Cast Aluminum Monoblock.
Combustion: Modulating Automatic Gas Valve, Modulating Burner, Direct Spark Igniter,
LP Conversion Kit included. Modulating Blower, Manual Reset Casting Temperature Switch,
Air Proving/Blocked Vent Safety Assembly, Air Purge Vent.
Electrical: Service Switch, Service Receptacle Outlet.
Other: Grundfos Circulator, Manual Reset Low Water Cutoff, Pressure Gauge, 30 PSI Safety Relief
Valve, Integral Condensate Trap, Combination Painted Metal and Durable Plastic Jacket.
Options
Concentric Vent Kit (3”), AMB Multiple Boiler Control (For Multiple Boiler Applications - Includes
outdoor reset, priority override and lead boiler run time rotation. Available in two sizes - AMB4 and
AMB8 to allow stage firing of up to 8 boilers).
OPENING FOR RELIEF
VALVE DISCHARGE PIPE
AIR VENT INTAKE OPENING
2" PVC (OPTIONAL)
GAS SUPPLY OPENING
1/2 NPT (OPTIONAL)
39 3/8"
WATER RETURN OPENING
1 1/4 NPT CONNECTION
(OPTIONAL)
CONDESATE DRAIN
OPENING 1/2" PVC
back
Dimensions
Width (A)
18”
457.2 mm
Height (B)
39.375”
1000.1 mm
Depth (C)
30.875”
784.2 mm
Flue
Diameter (D)
3”
76.2 mm
Certifications
Weights
Ship Wgt.
C
US
284 lbs.
128.8 kg
PN 240009764 Rev. 12/12
All ratings and specifications subject to change.
Contractor
Assistance: 800.325.5479
P.O. Box 4729
Utica, New York 13504
tel: 315.797.1310 • fax: 315.797.3762
www.olsenhvac.com
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