This is an owner's manual for an unvented gas heater
This manual provides installation and operational instructions for Robert H. Peterson Co.'s G9-20/24/30(P) unvented gas heater. It includes safety warnings, ventilation requirements, and step-by-step guidance for installation and servicing. The unit is certified to ANSI standards and requires professional installation. Safety precautions are emphasized, including oxygen depletion sensor operation and carbon monoxide risks.
The manual also covers cleaning, servicing, and troubleshooting, with specific sections for different burner models and remote control systems. It specifies minimum fireplace dimensions and chimney requirements, and warns against modifications or use with non-certified parts.
| Burner Models | G9-20/24/30(P) |
|---|---|
| Certifications | ANSI 221.11.2 (Unvented Room Heater) and ANSI 221.60 (Vented Decorative Appliance) |
| Oxygen Depletion Sensor (ODS) Threshold | Shuts off at 18% oxygen |
| Remote Receiver Battery Type | AA battery |
| Remote Transmitter Battery Type (12/15 Models) | 12V battery |
The ODS shuts the burner system off before the oxygen level drops below 18%.
Yes, if not prohibited by local codes and installation conforms to applicable standards (e.g., Title 24 CFR, Part 3280 in the U.S.).