A. Inlet gas supply pressure for purposes of input ad- justment, shall be 6.0 inches w.c. (1.5kPa) for natu- ral gas and 11 inches w.c. (2.75kPa) for propane. Manifold (outlet) pressure should be 3.2 inches w.c. (.80kPa) for natural gas and 9.6 inches w.c. (2.40kPa) for propane models.

B. NOTE: THE GAS SUPPLY LINE SHOULD BE

PURGED OF ANY TRAPPED AIR PRIOR TO THE FIRST FIRING OF THE UNIT.

C. CAUTION: During the initial purging and subse- quent lightings, NEVER allow the gas control valve knob to remain depressed in the "PILOT" position without pushing the red ignitor button at least once every second.

D. Your appliance control system is a millivolt type. It consists of a pilot burner, a gas control valve/regula- tor, a thermopile, a piezo ignitor, and an ON/OFF rocker switch. For control system wiring diagram see Figure 2.

E. NOTE: An Optional Remote Control Kit and Wall Switch Kit , for turning the burner ON/OFF are avail- able. Detailed installation instructions are found in each kit.

F. Test fire the unit after referring to the SAFETY IN- FORMATION and LIGHTING INSTRUCTIONS found in Section 3 in this manual, or on label plate assembly found on the gas-burner.

G.Using a soap-solution or other device, check sys- tem for leaks. Refer to Section 3, OPERATING GUIDELINES and MAINTENANCE INSTRUC-

TIONS.

H.Once the gas-burner is test fired and gas supply lines are purged, assembly of the grate and logs is required.

NOTE: Appliances incorporating a live fuel effect may exhibit slight carbon deposits.

OPTIONAL WALL SWITCH,

 

 

THERMOSTAT OR REMOTE

 

 

 

 

TP/TH

 

OFF

TP

 

 

 

 

TH

 

ON

THERMOPILE

REMOTE SWITCH

ON/OFF

 

SWITCH

GAS VALVE

PIGTAIL

 

THERMOCOUPLE

 

 

Figure 2

6

Page 5 Page 7
Page 6
Image 6
Hearth and Home Technologies GRL-850-AU manual Tions
Page 5 Page 7

GRL-850-AU specifications

Hearth and Home Technologies has established itself as a leader in the fireplace and heating industry, and the GRL-850-AU model is one of its benchmark products. This elite gas log fireplace not only exudes elegance but is also built to meet modern heating requirements, offering strategic heating solutions while prioritizing safety and environmental considerations.

The GRL-850-AU stands out for its impressive heat output. Boasting a maximum heat output of up to 25 kW, this model is engineered to efficiently warm medium to large-sized spaces, ensuring cozy environments even during the coldest months. With its two-stage burner system, users can easily adjust the heat intensity to suit their specific needs, promoting energy efficiency and economical operation.

One of the key features of the GRL-850-AU is its advanced flame technology. The fireplace showcases realistic flame patterns that mimic natural logs, providing the aesthetic appeal of a traditional wood-burning fireplace without the hassle of wood storage and cleanup. The ceramic fiber logs are designed for optimal heat retention and visual realism, enhancing the overall ambiance of your living space.

In terms of design, the GRL-850-AU presents a modern aesthetic that complements various interior décors. Available with sleek glass fronts and customizable trim options, this model allows homeowners to create a tailored look that matches their personal style. The clean lines and premium finish add a touch of sophistication to any room.

Safety is a top priority with the GRL-850-AU. It includes built-in safety features such as an automatic shut-off system in case of overheating or malfunctions. Additionally, it is equipped with a reliable flame sensing system that ensures that the gas flow is automatically turned off if the flame is extinguished, providing peace of mind for users.

Moreover, the GRL-850-AU is committed to eco-friendly innovation. It operates on natural gas or LPG, delivering a low-emission performance, making it an environmentally responsible choice compared to traditional fireplaces. The ENERGY STAR certification indicates that the unit meets stringent energy efficiency standards, helping homeowners reduce their carbon footprint while enjoying a warm and inviting atmosphere.

Overall, the Hearth and Home Technologies GRL-850-AU gas log fireplace combines cutting-edge technology, impressive heating capabilities, and stylish design, making it a stellar choice for those looking to elevate their home heating experience.
Top Page Image Contents