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1. High Altitude Installation
The Caliber NXT Plus is power vented. High altitude gas appliance considerations are no longer of concern, as
long as the gas appliance is properly installed with the HRV200PLUS properly balanced (refer to HRV200PLUS
manual).
2. Connect the Gas Line
The Caliber NXT Plus is provided with a stainless
steel flexible connector and a listed (and
Commonwealth of Massachusetts approved)
T-handle manual shutoff valve. See Figure 5. The
incoming gas line should be piped into the valve
compartment and connected to the 1/2” FIP connection
provided on the manual shutoff valve. See Figure 6 to
connect the gas line. Optional: Seal around gas line
to prevent cold air leakage.
Æ
All connections must be tightened and checked for
leaks with a commercially available, non-corrosive
leak check solution. Be sure to rinse off the solution
when done leak testing.
Bleed the gas line to extract any air that may have
been trapped inside the pipe.
Note:
accordance with building codes by a qualified installer
approved and/or licensed as required by the locality.
In the Commonwealth of Massachusetts, installation
must be performed by a licensed plumber or gas fitter.
Note:
valve must be disconnected from the gas supply
piping system during any pressure testing of that
system at test pressures in excess of 1/2 psi (3.5
kPa). The appliance must be isolated from the gas
supply piping system by closing its manual shutoff
valve during any pressure testing of the gas supply
piping system at test pressures equal to or less
than 1/2 psi (3.5 kPa).
3. Gas Pressure
A pressure tap is included on the front face of the
intermittent pilot ignition gas control valve.
Table 1 shows optimum gas pressure information.
Consult your local gas company for assistance in
determining the proper orifice for your altitude or refer
to ANSI Z223.1-latest edition, Appendix F.
Table 2 shows orifice sizes and BTU ratings.
4. Field Fuel Conversion
Natural or propane gas conversions necessary to
meet the application need to be installed by a qualified
technician using Hearth & Home Technologies
specified and approved parts.
If your appliance must be converted to use propane,
use a DCKVP-NXTPLUS conversion kit; to use natural
gas, use a DCKVN-NXTPLUS conversion kit.
6
Have the gas supply line installed in
This gas appliance and its manual shutoff
CALIBER NXT PLUS INSTALLATION INSTRUCTIONS
F. UTILITIES
This valve has been preset at the factory. Altering
settings may result in fire hazard or bodily injury.
4034-101 Rev F
Figure 5
Flex Connector & Manual Shutoff Valve
Figure 6 - Gas Line
WARNING!
02/04
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