Raypak Boiler 42 180 User Guide

Job:  
Raytherm™ Residentials  
Hydronic Heating Boilers  
Models 42-180  
Engineer:  
Contractor:  
Prepared By:  
Model:  
Date:  
Indoor/Outdoor:  
Applications  
Compact, Lightweight Design  
ƒ Radiant Heating  
ƒ Hydronic Space Heating  
ƒ Snow Melting  
Even the largest model slips  
easily into tight spaces.  
Easy to Plumb, Easy to Service  
Inlet and outlet water piping, gas  
connection, wiring and controls  
are all up front for easy access.  
High Efficiency  
Heating efficiencies meet or  
exceed NAECA standards.  
Factory Installed Circulator  
and Bypass  
Safe Operation  
Built-in manual reset safety  
sensors shut down the boiler in  
the event of a flame roll-out or  
flue gas spillage. Normal working  
pressure is 125 PSI max.  
Thermostatically-controlled  
circulator maintains proper flow  
through the boiler. As a packaged  
system, installation is fast and  
easy.  
Fast Response Temperature  
Sensor  
Electronic Ignition  
Intermittent pilot ignition improves  
system efficiency by using fuel  
only when there is a call for heat.  
Electronic solid state auto-reset  
control shuts down the boiler in  
the event of over-heating caused  
by a low-flow condition.  
Fig. #8942  
Heat Exchanger  
Controls  
Gas Control Train  
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ASME Inspected and Stamped  
160 PSIG  
National Board Approved  
Glass-lined Cast Iron Headers  
Copper Finned Tubing  
ASME Steel Tube Sheet  
Silicone O-Rings  
30 PSIG ASME Pressure Relief Valve  
Temperature and Pressure Gauge  
Cast Iron Pump – 120 VAC, Mounted  
Bypass Assembly  
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120V, 60Hz, 1 Ph Power Supply  
120/24V Transformer  
Pilot  
Electronic, Intermittent Ignition  
(IID) - Standard  
Standing (Thermocouple) -  
Models 90, 135 and 180 only  
100% Pilot Shut-off/Lockout (IID only)  
High Limit Control  
Operating Limit Control  
Flow Sensor  
Flue Gas Spillage Sensor  
Flame Rollout Sensor  
Automatic Vent Damper  
ƒ
ƒ
ƒ
Fuel  
Natural Gas  
Propane Gas  
Firing Mode  
- On/Off - Models 42-66  
- Two-stage Firing - Models 90-180  
Combination Gas Valve  
- Manual Shut-off  
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- Redundant Valve Features  
- Gas Pressure Regulator  
Construction  
Non-Ferrous Options  
All Bronze Pump, 120 VAC, Mounted  
Bronze Fittings  
ƒ
ƒ
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Indoor Construction  
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Enclosed Front Controls  
Stainless Steel Burners  
Polytuf Powder Coat Finish  
Built-in Draft Diverter  
AFUE Ratings*  
Certified for combustible flooring  
Model  
0042  
0066  
0090  
0135  
0180  
AFUE  
84  
83  
83  
83  
83  
*Tested with IID ignition and vent damper  
Catalog No.: 2100.20M  
Effective: 6-15-07  
Replaces: 6-15-02  
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