Domestic Hot Water System - IBC DC 23-84 Installation And Operating Instructions Manual

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DC SERIES COMBI BOILERS DC 23-84, DC 29-106, DC 33-124, DC 33-160
Figure 29: Air handler and direct domestic hot water – concept drawing. This drawing is
only a simple schematic guide.

DOMESTIC HOT WATER SYSTEM

WATER HEATER INSTALLATION GUIDELINES
WARNING
This boiler must be installed in accordance with local codes, if any; if not follow the National
Fuel Gas Code, ANSI Z223.1/NFPA 54, or the Natural Gas and Propane Installation Code,
CAN/CSA B149.1, as applicable.
Failure to correctly install and operate this appliance can result in severe personal injury
or death.
The water heater, if utilized, shall have a pressure relief valve installed within 6" [152mm] of the
DHW HOT outlet connection with the relief valve spindle installed in the vertical position.
Refer to the Boiler User's Manual before operating relief valve.
The water heater, if utilized, requires a pressure relief valve identified with the ASME V or HV
symbol and set to relieve at or below 150psi of domestic water pressure and a minimum
relieving capacity of 124,000 Btu/hr with 3/4" NPT threads. For safe operation of the water
heater, the relief valve must not be removed from its designated point of installation or plugged.
For complete information refer to installation manual.
Read and follow warnings and instructions.
CAUTION
Hotter water increases the risk of scald injury. Before changing the temperature setting, see
instruction manual.
ADJUSTABLE TEMPERATURE SETTING
Press the and hold for 2 seconds, then press again. When the
Domestic Hot Water temperature can be set.
INSTALLATION AND OPERATION INSTRUCTIONS
LED is lit, the