Desa VTP22R user manual

User manual for the device Desa VTP22R

Device: Desa VTP22R
Category: Electric Heater
Manufacturer: Desa
Size: 2.13 MB
Added : 4/17/2013
Number of pages: 48
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Abstracts of contents
Summary of the content on the page No. 1

UNVENTED (VENT-FREE) INFRARED GAS HEATER
SAFETY INFORMATION AND INSTALLATION MANUAL
MODELS CTR25NR, CTR22PR, VTN25R AND VTP22R
WARNING: If the information in this manual is not fol-
lowed exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
— Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other
appliance.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical

Summary of the content on the page No. 2

WARNING: Improper installation, adjustment, altera- tion, service or maintenance can cause injury or prop- erty damage. Refer to this manual for correct installation and operational procedures. For assistance or addi- tional information consult a qualified installer, service agency or the gas supplier. WARNING: This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is installed. Provi- sions for adequate combustion and ventilation air must be provided. Refer to Ai

Summary of the content on the page No. 3

SAFETY INFORMATION Due to high temperatures, the appliance should be located out WARNING: This product con- of traffic and away from furniture tains and/or generates chemicals and draperies. known to the State of California to cause cancer or birth defects, Do not place clothing or other or other reproductive harm. flammable material on or near the appliance. Never place any IMPORTANT: Read this owner’s objects on the heater. manual carefully and completely before trying to assemble,

Summary of the content on the page No. 4

SAFETY INFORMATION PRODUCT Continued IDENTIFICATION 5. This heater needs fresh, outside air ventilation to run properly. This heater has an Oxygen Depletion Sensing (ODS) safety shutoff system. The ODS shuts down the heater if not enough fresh air is available. See Air for Combustion and Ventilation, page 5. 6. Keep all air openings in front and bottom of heater clear and free of debris. This will insure Grill enough air for proper combustion. 7. If heater shuts off, do not relight unti

Summary of the content on the page No. 5

Unusually tight construction is defined as AIR FOR COMBUSTION construction where: AND VENTILATION a. walls and ceilings exposed to the out- side atmosphere have a continuous WARNING: This heater shall water vapor retarder with a rating of not be installed in a confined -11 2 one perm (6 x 10 kg per pa-sec-m ) or space or unusually tight construc- less with openings gasketed or sealed tion unless provisions are provid- and b. weather stripping has been added on ed for adequate combustion

Summary of the content on the page No. 6

C. Install a lower Btu/Hr (kw) heater, if lower Btu/Hr AIR FOR COMBUSTION (kw) size makes room unconfined. AND VENTILATION If the actual Btu/Hr (kw) used is less than the maxi- Continued mum Btu/Hr (kw) the space can support, the space 1. Determine the volume of the space (length x is an unconfined space. You will need no additional width x height). fresh air ventilation. Length x Width x Height =__________cu. ft. WARNING: If the area in which (volume of space) Example: Space size 20 ft.

Summary of the content on the page No. 7

CHECK GAS TYPE AIR FOR COMBUSTION Use only the correct type of gas (natural or pro- AND VENTILATION pane/LP). If your gas supply is not the correct gas Continued type, do not install heater. Call dealer where you Ventilation Air From Outdoors bought heater for proper type heater. Provide extra fresh air by using ventilation grills or ducts. You must provide two permanent open- WARNING: This appliance ings: one within 12" (30.5 cm) of the ceiling and one within 12" (30.5 cm) of the floor. C

Summary of the content on the page No. 8

O F F R E M O T E O F F R E M O T E An optional fan kit is available from your dealer. INSTALLATION See Accessory, page 22. If planning to use fan, Continued locate heater near an electrical outlet. WARNING: Never install the INSTALLING REMOTE CONTROL heater RECEIVER • in a bedroom or bathroom Remote control receiver must be installed to oper- • in a recreational vehicle ate the remote control. • where curtains, furniture, 1. Locate receiver bracket, two packages of AA batteries, remote r

Summary of the content on the page No. 9

O F F R E M O T E Slide Right to INSTALLATION LEARN Button (Inside) REMOTE Continued F Bottom View ROO M SE T TEMP ON OF F ON MOD E Button SE T Figure 9 - Receiver and Remote Control Setup REPLACING BATTERY IN IGNITOR If the spark that lights the pilot lessons, you may need Valve to replace the battery in the ignitor. See Figure 10. Receiver Wire Figure 7 - Connecting Receiver Wire AAA Battery INSTALLING BATTERIES INTO Negative REMOTE towards cap 1. Locate hand-held remote control in hardw

Summary of the content on the page No. 10

INSTALLATION CAUTION: Use only new, Continued black iron or steel pipe. Inter- CONNECTING TO GAS SUPPLY nally-tinned copper tubing may be used in certain areas. Check WARNING: This appliance your local codes. Use pipe of requires a 3/8" NPT (National large enough diameter to allow Pipe Thread) inlet connection to proper gas volume to heater. If the pressure regulator. pipe is too small, undue loss of volume will occur. WARNING: A qualified Typical Inlet Pipe Diameter service person

Summary of the content on the page No. 11

CHECKING GAS CONNECTIONS INSTALLATION Continued WARNING: Test all gas piping Install sediment trap in supply line as shown in and connections, internal and Figure 13. Locate sediment trap where it is within external to unit, for leaks after reach for cleaning. Locate sediment trap where installing or servicing. Correct trapped matter is not likely to freeze. A sediment trap traps moisture and contaminants. This keeps all leaks at once. them from going into heater controls. If sediment

Summary of the content on the page No. 12

INSTALLATION Continued Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa) Equipment 1. Close equipment shutoff valve (see Figure 14). Shutoff Gas 2. Pressurize supply piping system by either Valve Meter opening propane/LP supply tank valve for propane/LP gas or opening main gas 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 15) or propane/LP supply tank for propane/LP gas, to equipment shut

Summary of the content on the page No. 13

U F A O N O X N U 5. Press in pilot knob and turn counterclock- OPERATING HEATER wise to the PILOT position. Keep FOR YOUR SAFETY READ pilot knob pressed in for five (5) seconds BEFORE LIGHTING (see Figure 17). Note: You may be running this heater for WARNING: If you do not fol- the first time after hooking up to gas supply. If so, the pilot knob may need to be pressed low these instructions exactly, in for 30 seconds or more. This will allow a fire or explosion may result air t

Summary of the content on the page No. 14

HAND-HELD REMOTE OPERATING HEATER CONTROL OPERATION Continued 1. Slide selector switch on remote receiver to 9. With the auxiliary knob in the AUX posi- the REMOTE position. tion, push the ON button on the remote 2. Slightly pull and turn auxiliary knob so the control. To adjust the temperature with the AUX is to the left and right and ON is to the remote control, follow the instructions on top and bottom positions. page 15. When the temperature surround- 3. Light the pilot. Follow steps

Summary of the content on the page No. 15

Blue Flame OPERATING HEATER Continued Pilot Burner Thermocouple THERMOSTATIC "ROOM" FUNCTION Setting Desired Room Temperature This remote control system can be thermostati- cally controlled when the remote control is in the thermostatic mode. The word ROOM must Figure 20 - Correct Pilot Flame Pattern be displayed on the screen. Yellow Flame 1. Press MODE button on remote control until ROOM appears. This sets the remote to the thermostat mode. Pilot Burner Thermocouple 2. Press and hold the SE

Summary of the content on the page No. 16

Clean the pilot assembly also. A yellow tip on the CLEANING AND pilot flame indicates dust and dirt in the pilot as- MAINTENANCE sembly. There is a small pilot air inlet about two inches from where the pilot flame comes out of WARNING: Turn off heater the pilot assembly (see Figure 23). With the unit and let cool before cleaning. off, lightly blow air through the air inlet. You may blow through a drinking straw if compressed air is not available. CAUTION: You must keep con- trol areas, b

Summary of the content on the page No. 17

TROUBLESHOOTING WARNING: Turn off and unplug heater and let cool before servicing. Only a qualified service person should service and repair heater. CAUTION: Never use a wire, needle or similar object to clean ODS/pilot. This can damage ODS/pilot unit. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed 1. Ignitor electrode positioned 1. Replace pilot assembly in, there is no spark at ODS/ wrong pilot 2. Ign

Summary of the content on the page No. 18

TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY ODS/pilot lights but flame 1. Pilot knob not fully pressed in 1. Press in pilot knob fully goes out when control knob is 2. Pilot knob not pressed in long 2. After ODS/pilot lights, keep pi- released enough lot knob pressed in 30 seconds 3. Equipment shutoff valve not 3. Fully open equipment shutoff fully open valve 4. Thermocouple connection 4. Hand tighten until snug, then loose at control valve tighten 1/4 turn more 5. Pilot

Summary of the content on the page No. 19

TROUBLESHOOTING Continued WARNING: 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. Fol- low the gas supplier’s instructions. • If you cannot reach your gas supplier, call the fire department. IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning supplies, paint, paint remover, cigarette smoke, ceme

Summary of the content on the page No. 20

F R O O M S E T T E M P O N O F F M O D E S E T ILLUSTRATED PARTS BREAKDOWN MODELS CTR25NR, VTN25R, CTR22PR AND VTP22R 2 3 7 4 1 5 6 8 9 12 14 10 15 1 1 20 16 13 16 21 22 20 31 16 25 23 24 28 32 18 26 33 29 27 30 17 19 28 34 35 36 20 www.desatech.com 113261-01C


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