Archgard 42-DVT40N - Manual (Page 6)

Northfire 42
6
GENERAL INFORMATION
SPECIFICATIONS
This appliance is tested and certified to the following US and Canadian gas appliance
standards.
- ANSI Z21.88b-2003 / CSA 2.33b-2003, Vented Gas Fireplace Heaters
- CAN / CGA-2.17-M91, Gas-Fired Appliances for Use at High Altitudes
Please contact Archgard Industries Ltd., if you have any questions regarding the certification of
this appliance.
APPLIANCE CERTIFICATION
INSTALLATION CODES
This appliance must be installed by a qualified gas appliance installer.
The installation must conform with the local codes or, in the absence of local codes, with the
current National Fuel Gas Code, ANSI Z223.1/ NFPA 54, in the US or Installation Code, CAN/
CGA-B149, in Canada. Electrical connections and grounding must conform with local code, or
current National Electrical code, ANSI/NFPA No. 70-1987, in the US and in Canada, the
current Canadian Electrical Code, CSA C22.1.
We recommend that our gas hearth products be installed and serviced by professionals
who are certified in the U.S. by the National Fireplace Institute® (NFI) as NFI Gas
Specialists
HIGH ALTITUDE INSTALLATION
When installing this appliance beyond 4500 ft. (1372 m) above sea level. The appliance must
be properly de-rated and installed according to local codes, in the absence of local codes, with
the current National Fuel Gas Code, ANSI Z223.1/ NFPA 54, in the US or Installation Code,
CAN/CGA-B149, in Canada.
Natural Gas (NG) Propane (LP)
Manifold Pressure 1.6 - 3.5 in. W.C. (0.4 - 0.9 kPa) 6.3 - 10.0 in. W.C. (1.6 - 2.5kPa)
Minimum Supply Pressure for
Purpose of Input Adjustment
4.5 in. w.c. (1.1 kPa) 11.0 in. w.c. (2.7 kPa)
Orifice Size #31 DMS (3.05 mm dia.) #50 DMS (1.60 mm dia.)
Nominal Input Rating
27,000 - 40,000 BTU/hr
(7.9 - 11.7 kW)
30,000-35,50000 BTU/hr
(9.1 - 10.7 kW)
Altitude 0 - 4500 ft (0 - 1372 m) 0 - 4500 ft (0 - 1372 m)
Primary Air Opening ¼ in. (9.6 mm) ¼ in. (9.6 mm)