Weil-McLain Ultra Series 2 - Manual

Condensing High

Efficiency Gas Boiler

Ratings - (5 sizes)

80 MBH

105 MBH

155 MBH

230 MBH

310 MBH

All with 20 -100%

Modulation

Innovative

Innovative combination of appearance, intelligence

and technology.

High Efficiency

Over 92% AFUE and up to 98% for low temperature

applications.

Attractive

The Ultra boiler features a new attractive design for

installation in any setting.

Intelligent

Features PhD Technology - an intelligent system

that delivers Precision Hydronic heating and

hot water needs while maximizing efficiency by

measuring and responding to the Data parameters

of your heating system.

High Technology

Cast mono block aluminum heat exchanger. Gas

valve, blower and venturi technology that constantly

maintains optimal air and fuel ratio at all firing

rates.

Condensing High Efficiency
Gas Boiler

20-100% Modulation

SERIES 2

STANDARD EQUIPMENT

Factory Tested

Limited 15 Year Heat Exchange Warranty

Homeowner Protection Plan with

•5 years Parts and Labor

Cast Aluminum Block

30 PSI ASME Relief Valve

Drain Valve

Stainless Steel Burner (80, 105 & 310)

with woven steel fiber mesh

(155 & 230)

Direct Spark Ignition

Variable Speed Blower Assembly

Gas/Air Ratio Venturi with Air Silencer

Negative Pressure Regulation Gas Valve

50 VA Transformer

Combination T&P Gauge

Outlet Water Temperature Sensor

Return Water Temperature Sensor

Flue Gas Temperature Sensor

Outdoor Temperature Sensor

12 AMP 110 V Circ. Relay (310 only)

Control Module with

•

Digital Display & Data Port

•

Ignition Control

•

High Limit & Modulating Temp Control

•

Low Water Protection

•

Outdoor Reset

•

DHW Priority

•

Two Pump Controls

(Heating & DHW)

Taco Boiler Circulators:

•

1” flanges (80 & 105) Taco 007

•

1” & 1-1/4” flanges (155, 230 & 310)

Taco 0011

Complete Jacket Assembly with

Fully Removable Front Jacket Cover

Adjustable Boiler Legs

Sidewall Vent/Air Termination Kit

Line & Low Voltage

Pre-wired Terminal Strips

On/Off Power Switch

Line Voltage Service Receptacle

Condensate Trap

with Drain Tee Assembly

Propane Conversion Orifice

(All except Model 80)

boilers are low NOx Certified by the

South Coast Air Quality Management District

(Rule 1146.2) in California.

1 Supply Connection

2 Return Connection

3 Low Voltage Wire Opening

4 Electrical Entrance Openings

5 Vent Connection

6 Air Connection

7 Gas Connection

80

105

155

230

310

Part No.

Part No.

Part No.

Part No.

Part No.

PACKAGED BOILER

-Natural Gas field convertible to LP as standard equip. except

80

Natural Gas

383-500-400 383-500-402 383-500-403 383-500-404

383-500-405

Propane Gas

383-500-401

NA

Taco Pump

007

0011

OPTIONAL EQUIPMENT

Wall Mounting Kit

389-900-180

NA

Alarm Control Kit

383-500-080

Indirect-Fired Water Heaters

Matching Ultra PLUS 40, 60 and 80 Water Heaters Available

RATINGS

CSA Input (Maximum)

80 MBH

105 MBH

155 MBH

230 MBH

310 MBH

CSA Input (Minimum)

16 MBH

21 MBH

31 MBH

46 MBH

62 MBH

DOE Heating Cap.

71 MBH

94 MBH

139 MBH

207 MBH

*289 MBH

Net I=B=R

62 MBH

81 MBH

123 MBH

183 MBH

252 MBH

DOE AFUE

93.0%

92.0%

93.0%

92.8%

*93.3%

Weil-McLain Low Temp

98.1%

98.0%

95.6%

Seasonal Efficiency

Boiler return water temp=90°F and boiler outlet water temp=110°F

*Note: 310 ratings are gross output and combustion efficiency.

DATA

Vent Size / Material

3” PVC/ABS

3 or 4 in.

PVC/ABS

4 in.

PVC/ABS

Combustion Air Size

3 in.

3 or 4 in.

4 in.

Water Volume

.95 Gal.

1.07 Gal.

1.17 Gal.

1.57 Gal.

2.1 Gal.

Approx. Ship. Weight

149 lbs.

154 lbs.

193 lbs.

204 lbs.

254 lbs.

DIMENSIONS

Supply Tapping

1”

1-1/4”

Return Tapping

1”

1-1/4”

Gas Connection Size

1/2”

3/4”

Crate Dimensions

53-1/2”L x 27”W x 23-1/2”H

56”Lx27”Wx27”H

©2004 Weil-McLain Weil-McLain Ultra Boiler Patents Pending Form No. C-995R4(0504)

Locate our Sales Offices by visiting our website:

www.weil-mclain.com

Weil-McLain

500 Blaine Street

Michigan City, IN 46360-2388

In the interest of continual improvements in product and performance, Weil-McLain reserves the right to change specifications without notice.