DeLonghi WIR2 manual

THERMOST A TICALL Y CONTROLLED W ALL MOUNTED UNVENTED GAS HEA TER WIR1-WIR2 (Equipped with Pilot Light Safety System) W ARNING: If the infor mation in this manual is not followed exactly , a fire or explosion may result caus- ing property damage, personal injur y , or loss of life. - Do not store or use gasoline or other flammable vapors and liquid[...]

SAFETY INFORMA TION W ARNING: Carbon monoxide Poisoning: Early signs of carbon monoxide poisoning resemble the flu, with headaches, dizziness, or nausea. If you have these signs, the heater may not be work- ing properly . Get fresh air at once! Have heater ser viced. Some people are more affect- ed by carbon monoxide than others. These include preg[...]

1. This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases. 2. Do not place propane/LP supply tank(s) inside any structure. Place propane/LP sup- ply tank(s) outdoors. 3. This heater shall not be installed in a bed- room or bathroom. 4. If you smell gas - Shut off[...]

PRODUCT FEA TURES Safety device This heater has a pilot with an Oxygen Depletion Sensing (ODS) safety shutoff system. The ODS/pilot is a required feature for vent- free room heaters. The ODS/pilot shuts off the heater if there is not enough fresh air . Piezo ignition system This heater has a piezo ignitor . This system requires no matches, batterie[...]

Confined and Unconfined Space The National Fuel gas Code , ANSI Z223.1/NFP A 54 defines a confined space as a space whose volume is less than 50 cubic feet per 1,000 Btu per hour (4,8 m 3 per kw) of the aggregate input rating of all appliances installed in that space and an unconfined space as a space whose volume is not less than 50 cubic feet per[...]

If the actual Btu/Hr used is less than the max- imum Btu/Hr the space can support, the space is an unconfined space. Y ou will need no addi- tional fresh air ventilation. VENTILA TION AIR V entilation Air From Inside Building This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining unconfined space, you must pr[...]

INST ALLA TION CHECK GAS TYPE Use only the correct type of gas (natural or propane/LP). If your gas supply is not the correct gas type, do not install heater . Call dealer where you bought heater for proper type heater . INST ALLA TION ITEMS Before installing heater , make sure you have the items listed below . • for propane/LP gas, external regu[...]

INST ALLA TION • Sign in the wall to make the hole “A”. • Drill the wall by using a 1/4” drill. • Insert the two plastic expansion anchors supplied in the installation kit, in the holes. • Insert two of the four screws supplied in the holes letting them stick out from the wall for at least 5 mm (see fig. aside) • Hook the appliance [...]

Installation must include equipment shutoff valve, union, and plugged 1/8” NPT tap. Locate NPT tap within reach for test gauge hook up. NTP tap must be upstream from heater (see fig 7) IMPORT ANT : install an equipment shutof f valve in accessible location. The equipment shutoff valve is for tur ning on or shutting off the gas to the appliance. A[...]

T est pressures equal or less than 1/2 PSIG (3,5 Kpa) 1. Close equipment shutoff valve (see figure 8). 2. Pressurize supply piping system by either opening propane/LP supply tank valve located on or near gas meter for natural gas, or using compressed air . 3. Check all joints from gas meter for natural gas (see figure B) or propane/LP supply tank f[...]

11 OPERA TING HEA TER A. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly . B. Before lighting smell all around the appli- ance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor . WHA T TO DO IF YOU SMELL GAS. • Do [...]

The thermostatic control used on this model turn on and off the bur ner . The thermostat used on this heater senses the room temperature. At times the room may exceed the set tempera- ture. If so, the burner will shut of f. The burner will cycle back on when room temperature drops below the set temperature. The control knob can be set to any 2 comf[...]

BURNER FLAME P A TTERN Figure 15 shows a correct bur ner flame pat- tern. Figure 16 shows a incorrect burner flame pattern. If burner flame pattern is incorrect, as shown in figure 16 • turn heater off (see to turn off gas to appli- ance, page 12) • see troubleshooting, pages 16 through 18 13 correct burner fig. 16 fig. 15 incorrect burner WIR [...]

CLEANING AND MAINTENANCE ODS/PILOT AND BURNER •U se a vacuum cleaner, pressurized air, or small, soft bristled brush to clean. CLEANING BURNER PILOT AIR INLET The primary air inlet holes allow the proper amount of air to mix with the gas. This pro- vides clean burning flame. Keep these holes clear of dust, dirt, and lint. Clean these air inlet ho[...]

15 SPECIFICA TION This heater is equipped with an oxygen deple- tion safety system and safety shut-off system. APPLIANCE DIMENSIONS Width: 15.75 inches Height: 29.14 inches Depth: 9.65 inches P ACKAGING DIMENSIONS Width: 18.7 inches Height: 31.3 inches Depth: 11.8 inches REPLACEMENT P ARTS Note: use only original replacement parts. This will protec[...]

16 TROUBLESHOOTING W ARNING: if you smell gas • Shut off gas supply • Do not try to light any appliance • Do not touch any electrical switch; do not use any phone in your building • Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instrc- tions • If you cannot reach your gas supplier, call the fire[...]

17 TROUBLESHOOTING Note: All troubleshooting items are listed in order of operation W ARNING: only a qualified ser vice person should ser v- ice and repair heater CAUTION: never use wire,needle, or similar object to clean ODS/pilot. This can damage ODS/pilot unit OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed in, there is no [...]

18 OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner does not light after ODS/pilot is lit 1. Burner orifice is clogged 2. Inlet gas pressure is too low 1. Clean burner orifice (see clean- ing and maintenance, pag 14) or replace the burner 2. Contact local natural gas com- pany Dalayed ignition of burn- er 1. Manifold pressure is too low 2. Burner orif[...]

19 Limited W arranty What Does This W arraty Cover? We warrant each appliance to be free from defects in material and workmanship. Our obligation under this warranty is limited to replacement or repair , free of charge at our factor y or authorized ser vice centers, of any defective part or par ts there of other than parts damaged in transit, which[...]