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Polar Electro G2 Owner's manual
Summary of G2
Page 1
Owner’s manual for polar furnace models: g2, g2 plus & g3 for service and support on your polar furnace contact your local dealer 1 1 heater setup wood moisture requirements see section 8.2 of this manual g-class outdoor wood furnace owner’s manual for g2, g2 plus & g3.
Page 3
Owner’s manual for polar furnace models: g2, g2 plus & g3 for service and support on your polar furnace contact your local dealer 3 polar furnace g-class heater warranty (v. 15-1) the longevity of your g-class heater will depend on how well the heater is maintained and if the wood burned in the unit...
Page 4
Owner’s manual for polar furnace models: g2, g2 plus & g3 4 installation does not meet all of the installation requirements detailed in the owner’s manual. Your dealer may charge you for a service call to do warranty work. Parts will be replaced on an even exchange basis. Polar furnace heaters are n...
Page 5
Owner’s manual for polar furnace models: g2, g2 plus & g3 for service and support on your polar furnace contact your local dealer 5 polar furnace mfg. Inc. Warranty (v.15-1) activation 1 form—down draft heater warranty registration form customer’s name:____________________________ dealership name: _...
Page 7: Table of Contents
For service and support on your polar furnace contact your local dealer 7 table of contents a. Warranty details 3 b. Warranty activation form 5 c. Table of contents 7 1. Introduction 8 2. Warnings & cautions 9 3. Responsible ownership 11 4. Heater components 12 5. Safety 13 6. Heater setup 14 7. Hea...
Page 8: Introduction
Owner’s manual for polar furnace models: g2, g2 plus & g3 8 1 introduction the polar furnace g-class heaters are wood-fired, downdraft, hydronic heaters. The downdraft burning design allows for controlled combustion of wood which results in far lower smoke and particulate emissions and higher effici...
Page 9: Warnings & Cautions
Owner’s manual for polar furnace models: g2, g2 plus & g3 9 for service and support on your polar furnace contact your local dealer warnings & cautions 2 2.1 !!Warning!! A person operating a hydronic heater must comply with all applicable laws or other requirements such as state or provincial laws o...
Page 10: 2.11 !!warning!!
Owner’s manual for polar furnace models: g2, g2 plus & g3 10 2.11 !!Warning!! Never let small children play near or tamper with the heater. Only responsible adults should operate the heater. Outer surfaces may be hot during operation. Ensure children do not touch heater. 2.12 !!Warning!! Always open...
Page 11: Responsible Ownership
Owner’s manual for polar furnace models: g2, g2 plus & g3 for service and support on your polar furnace contact your local dealer 11 responsible ownership 3 3.1 safety first! • be safety conscious. • clear ground around heater. • use non-combustible cement blocks, patio blocks or cement base under h...
Page 12: Heater Components
Owner’s manual for polar furnace models: g2, g2 plus & g3 12 4 heater components item # description 1 heat exchanger access cover 2 chimney hookup 3 waterjacket temperature gauge (on some models, check inside main outer door) 4 furnace on/off switch, work light on/off switch 5 water level sight gaug...
Page 13: Safety
Owner’s manual for polar furnace models: g2, g2 plus & g3 13 for service and support on your polar furnace contact your local dealer 5 safety 5.1 !! Warning !! Maintain minimum distances between heater and combustibles. (refer to section 6.6) 5.2 !! Warning!! Develop and implement a clearly formulat...
Page 14: Heater Setup
Owner’s manual for polar furnace models: g2, g2 plus & g3 14 heater setup 6 6.1 !! Notice !! All installation work must be completed by appropriately qualified personnel and must conform to all applicable standards, regulations and local codes (e.G. Can/csa-b365 installation code for solid fuel burn...
Page 15: Section 6: Heater Setup
Owner’s manual for polar furnace models: g2, g2 plus & g3 for service and support on your polar furnace contact your local dealer 15 section 6: heater setup consult with your insurance company to ensure that the boiler to building clearances are acceptable. Failure to do so may void insurance. The m...
Page 16: Section 6: Heater Setup
Owner’s manual for polar furnace models: g2, g2 plus & g3 16 section 6: heater setup the primary fire chamber. In some conditions a reverse draft or back draft may occur during the off cycle. This may be the case if the boiler is installed near a very tall building or near a high hill or if the chim...
Page 17: Section 6: Heater Setup
Owner’s manual for polar furnace models: g2, g2 plus & g3 for service and support on your polar furnace contact your local dealer 17 section 6: heater setup 6.10 filling the water jacket 6.10.1 !! Warning !! Do not start a fire in the heater before filling the heater water jacket with water. Startin...
Page 18: Section 6: Heater Setup
Owner’s manual for polar furnace models: g2, g2 plus & g3 18 section 6: heater setup 6.14 setting your heater the g-class heater has a very stable combustion system. Its settings are factory set for optimal combustion across all normal operating conditions. Before making any setting changes on your ...
Page 19: Section 6: Heater Setup
Owner’s manual for polar furnace models: g2, g2 plus & g3 for service and support on your polar furnace contact your local dealer 19 section 6: heater setup g-class foundation drawing diagram 6.12–foundation pad recommendations.
Page 21: Heater Controls
For service and support on your polar furnace contact your local dealer 21 7 heater controls item # name function description 1 heat switch for switching the combustion cycle on or off. In the on position, the combustion cycle will only start if the controller is calling for heat. 2 work light switc...
Page 22: Section 7: Heater Controls
Owner’s manual for polar furnace models: g2, g2 plus & g3 22 section 7: heater controls 7.2 controls functionality 7.2.1 heat switch this on/off switch switches the combustion cycle on or off. When the switch is in the “off” position the combustion cycle will not start even when the controller is si...
Page 23: Section 7: Heater Controls
Owner’s manual for polar furnace models: g2, g2 plus & g3 for service and support on your polar furnace contact your local dealer 23 section 7: heater controls item # feature function description 1 gate adjustment lever spring loaded lever can be pulled slightly sideways and moved upwards or downwar...
Page 24: Operating The Heater
Owner’s manual for polar furnace models: g2, g2 plus & g3 24 operating the heater 8 8.1 before you begin do not use any flammable liquid (gasoline, lighter fluid, diesel, etc) to help start or maintain a fire in the heater as this can result in serious bodily injury and can cause damage to the heate...
Page 25: Wood Burning!
Owner’s manual for polar furnace models: g2, g2 plus & g3 for service and support on your polar furnace contact your local dealer 25 section 8: operating the heater diagram 8.3–green wood logs: no checking visible, indicates green, freshly cut wood. Diagram 8.4–seasoned wood logs: checking visible, ...
Page 26: And Maintenance
Owner’s manual for polar furnace models: g2, g2 plus & g3 26 section 8: operating the heater 5. Close the top loading door and open the front middle ignition door. 6. Light the newspaper/kindling on the fire chamber floor. 7. Leave the middle door open a crack until the kindling has caught well. 8. ...
Page 27: Clear From Obstruction.
Owner’s manual for polar furnace models: g2, g2 plus & g3 for service and support on your polar furnace contact your local dealer 27 diagram 8.5–cleaning tools section 8: operating the heater 8.6 managing the ash/coal bed after using the heater for several days you will notice a buildup of ash and c...
Page 28: Secondary Air Gates
Owner’s manual for polar furnace models: g2, g2 plus & g3 28 section 8: operating the heater 8.12 setting the primary and secondary air gates the g-class furnace has a very stable combustion system by design and the factory settings work for burning any type of properly seasoned cord wood and rarely...
Page 29
Owner’s manual for polar furnace models: g2, g2 plus & g3 for service and support on your polar furnace contact your local dealer 29 section 8: operating the heater heater is not smoking and the visible cloud is condensation. 8.14.3 secondary flame characteristics how well the heater is burning can ...
Page 30: Maintaining The Heater
30 9 maintaining the heater proper maintenance of the heater is important to insure reliable, efficient and safe operation of the heater. Proper maintenance will also help insure longer service life of the heater. There are weekly, monthly and end of season maintenance procedures which need to be un...
Page 31: 9.2 Monthly Maintenance
For service and support on your polar furnace contact your local dealer 31 section 9: maintaining the heater !! Danger !! - extremely high temperatures occur inside front bottom clean-out door. Allow heater to cool before completing maintenance described below. Wearing eye and/or face and hand prote...
Page 32: 9.4 Fan Maintenance
Owner’s manual for polar furnace models: g2, g2 plus & g3 32 section 9: maintaining the heater 9.3 end of season maintenance 9.3.1 fire chamber walls and primary air delivery ports remove the strongwall liner pieces by lifting the individual pieces up and off the retaining pins/ hangers. Before atte...
Page 33
Owner’s manual for polar furnace models: g2, g2 plus & g3 for service and support on your polar furnace contact your local dealer 33 section 9: maintaining the heater once unplugged, thread both cables back into the electrical controls area. Next, remove the thumb screw(s) (see diagram 9.3 –item #5)...
Page 34: 9.7 Anode Rod
Owner’s manual for polar furnace models: g2, g2 plus & g3 34 section 9: maintaining the heater if a glass rope becomes too flattened and/or worn it should be replaced. A leaky poor door seal results in slow but steady combustion of wood during the off cycle. This results in more wood being used whic...
Page 35: 9.10 Maintaining The Fan
Owner’s manual for polar furnace models: g2, g2 plus & g3 for service and support on your polar furnace contact your local dealer 35 section 9: maintaining the heater # fan problem cause of problem troubleshooting/corrective measures 1 fan is making a loud noise fan is contacting inside surface of f...
Page 36: 10.1 Overview
Owner’s manual for polar furnace models: g2, g2 plus & g3 36 1 10 water testing & treatment 10.1 overview properly testing and treating the water in the heater water jacket is important to control waterside corrosion. Untreated or improperly treated water can reduce the life of the heater. The water...
Page 37: Heater Model Specifications
Owner’s manual for polar furnace models: g2, g2 plus & g3 for service and support on your polar furnace contact your local dealer 37 heater model specifications 11 heater specifications specifications* u of m g2 g2-plua g3 overall height x width x length a x b x c-inch 72 x 36.5 x 63.5 76 x 40 x 69....
Page 38: Electrical Diagram
38 1 electrical diagram diagram 12.1—g-class wiring schematic 1 2 3 4 n n n f1 aquastat controller hi limit fans light ecm suction fan primary actuator secondary actuator door switch 110 power supply 110 power outlet aux max speed g series wiring schematic rev 2.3 04/14 blk common ecm suction fan co...
Page 39: G-Class Replacement Parts
For service and support on your polar furnace contact your local dealer 39 owner’s manual for polar furnace models: g-2 & g-3 g-class replacement parts diagram 13.1—strongwall liner note: only replace parts and components with original polar replacement parts. With polar original replacement parts i...
Page 40
Owner’s manual for polar furnace models: g2, g2 plus & g3 40 section 13: g-class replacement parts diagram 13.2—air gate assembly.
Page 41
Owner’s manual for polar furnace models: g2, g2 plus & g3 for service and support on your polar furnace contact your local dealer section 13: g-class replacement parts diagram 13.4—g2-plus ceremics assembly diagram 13.3—g2 ceremics assembly 41.
Page 42
Owner’s manual for polar furnace models: g2, g2 plus & g3 42 diagram 13.5—g3 ceremics assembly section 13: g-class replacement parts.
Page 43
Owner’s manual for polar furnace models: g2, g2 plus & g3 for service and support on your polar furnace contact your local dealer 43 section 13: g-class replacement parts diagram 13.6—housing components.
Page 44
Owner’s manual for polar furnace models: g2, g2 plus & g3 44 section 13: g-class replacement parts diagram 13.7—fan assembly.
Page 45: Plumbing
Owner’s manual for polar furnace models: g2, g2 plus & g3 for service and support on your polar furnace contact your local dealer 45 plumbing the hydronic system is used to distribute heat from an outdoor wood furnace to where it is needed and can range in complexity from very simple to quite extens...
Page 46: Section 14: Plumbing
Owner’s manual for polar furnace models: g2, g2 plus & g3 46 section 14: plumbing 14.2 distribution loop(s) a distribution loop is the portion of the system which delivers heat from the furnace to the application (see diagram 14.2). A distribution loop consists of a water supply line, water return l...
Page 47: Section 14: Plumbing
Owner’s manual for polar furnace models: g2, g2 plus & g3 for service and support on your polar furnace contact your local dealer 47 diagram 14.3–distribution pipe finishing duct section 14: plumbing 14.4 boiler protection valve maintenance the connect-ez assembly includes a boiler protection valve ...
Page 48: Section 14: Plumbing
Owner’s manual for polar furnace models: g2, g2 plus & g3 48 section 14: plumbing diagram 14.5–boiler protection valve cut-away diagram 14.6–boiler protection valve internal components diagram 14.7–valve wrench the thermostatic sensor cartridge. Every 5 years remove the valve body from the manifold ...
Page 49: Section 14: Plumbing
Owner’s manual for polar furnace models: g2, g2 plus & g3 for service and support on your polar furnace contact your local dealer 49 diagram 14.8– open system basic install diagram 14.9– closed system basic install section 14: plumbing.
Page 50: Section 14: Plumbing
Owner’s manual for polar furnace models: g2, g2 plus & g3 50 section 14: plumbing diagram 14.10– closed system large system/ multiple stories install diagram 14.11– multiple buildings install backup boiler backup boiler your notes.
Page 51: Your Notes
Owner’s manual for polar furnace models: g2, g2 plus & g3 for service and support on your polar furnace contact your local dealer 51 your notes __________________ __________________ __________________ __________________ __________________ __________________ __________________ __________________ ____...
Page 52: Your Notes
Owner’s manual for polar furnace models: g2, g2 plus & g3 52 your notes __________________ __________________ __________________ __________________ __________________ __________________ __________________ __________________ __________________ __________________ __________________ __________________ ...
Page 53
Owner’s manual for polar furnace models: g2, g2 plus & g3.
Page 54: Polar Furnace Mfg. Inc.
Polar furnace mfg. Inc. Box 159. Sperling, manitoba. R0g 2m0 for service and support on the polar furnace heater contact your local dealer. Printed in canada revision 5.0 ( july 2016).