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Optima 45 - 3 6
SPECIFICATIONS
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 - 2.5 kPa)
Minimum Supply
Pressure for Purpose of
Input Adjustment
4.5 in. w.c. (1.2 kPa) 11.0 in. w.c. (2.8 kPa)
Orifice Size
#37 DMS (2.64 mm dia.) #52 DMS (1.60 mm dia.)
Altitude
0-4500 ft (0 - 1372 M) 0 - 4500 ft (0 - 1372 M)
Primary Air Opening
3/16” (5 mm) 3/8” (9 mm)
Nominal Input Rating
18,750 - 28,000 BTU/hr
(5.5 - 8.2 kW)
19,600 - 28,000 BTU/hr
(5.7 - 8.2 kW)
This appliance is tested and safety approved under 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.
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.