PrecisionTemp cIAPMO-T RV-550-EC Manual

Lpg gas on demand water heater, certified to ansi z21.10.3 / csa4.3

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11 Sunnybrook Drive
Cincinnati, OH. 45237
Phone: 513-641-4446 * 800-934-9690
Fax:
513-641-0733
www.precisiontemp.com
This water heater design has been certified to ANSI Z21.10.3 / CSA
4.3 standards by the IAPMO. This water heater is not for use in
space heating applications.
SERVICE CALLS & QUESTIONS
Locations and phone numbers of qualified Service Centers can
be found at our website www.precisiontemp.com or
800-934-9690 Ext. 109 to obtain service information.
call
WARNING: If the information in these
instructions is not followed 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

• Evacuate all persons from the
vehicle.
• Shut off the gas supply at the gas
container or source.
• Do not touch any electrical switch,
or use any phone or radio in the
vehicle.
• Do not start the vehicle's engine or
electric generator.
• Contact the nearest gas supplier or
qualified service technician for
repairs.
• If you cannot reach a gas supplier
or qualified service technician,
contact the nearest fire department
• Do not turn on the gas supply until
the gas leak(s) has been repaired.
Installation and service must be performed
by a qualified installer, service agency, OEM
or the gas supplier.
IAPMO-T®
c
Certified to ANSI Z21.10.3 / CSA4.3
BTU / HR Input:
Fuel:
Inlet Pressure:
Manifold Pressure:
Power Input:
Operating Pressure:
Installation, Operation and Maintenance
Effective 1/18
Max. Water Temp:
Orifice Size:
Tank Volume:
Recovery Rating:
Elec. Element(s):
• All combustion air must be supplied from outside the RV, and all
products of combustion must be vented to outside the RV.
Minimum clearances from combustible
• DO NOT vent water heater with venting system serving another
and noncombustible construction is 1"
appliance.
(25mm) on the sides, back and top.
• DO NOT vent water heater to an outside enclosed porch area.
• Protect building materials from flue gasses.
WHAT TO DO IF YOU SMELL GAS:
WHAT TO DO
WHAT TO DO
WHAT TO DO
• DO NOT modify water heater in any way.
• DO NOT alter water heater for a positive grounding system.
1. Evacuate all persons from the vehicle.
• DO NOT HI-POT water heater unless electronic ignition system
2. Shut off the gas supply at the gas container or source.
(circuit board) has been disconnected.
3. Do not touch any electrical switch, or use any phone or
• DO NOT use battery charger to supply power to water heater
even when testing.
radio in the vehicle.
4. Do not start the vehicle's engine or electric generator.
5. Contact the nearest gas supplier or qualified service technician for
6. If you cannot reach a gas supplier or qualified technician, contact th
nearest fire department.
7. Do not turn on the gas until the gas leak(s) has been repaired.
USA and Canada – Follow all applicable state
and local codes. In the absence of local codes or
Label Size: 6.0" Wide x 8.5" Tall
regulations, refer to the current standards of:
Radius Corners:
Label Corners: 0.25"
Inside Note Boxes: 0.12"
"Warning"/"For Your Safety" Box: 2.0" Wide x 3.5" Tall with a 0.05" Thick Border
"What to do if......" Box: 5.5" Wide x 1.9" Tall with a 0.05" Thick Border
LPG GAS ON DEMAND
WATER HEATER
55,000 – 12,000
Model
Propane
RV-550-EC
10.5" WCI Min. to
14" WCI max.
1.30" – 9.20" WCI
12 VDC
10 Amp
125 PSI Max.
(8.6 Bar)
Max.
145° F
(63° C)
#71 x 12
2.5 US Gal
(9.5L)
54

CRITICAL INSTALLATION WARNINGS

120
60
12.5
vac,
Hz,
Serial No:
IF YOU SMELL GAS:
IF YOU SMELL GAS:
IF YOU SMELL GAS:
Label Specifications:
— Local codes or, in the absence of local
codes, the National Fuel Gas Code, ANSI
Z223.1/NFPA 54 and/or CSA B149.1, Natural
Gas and Propane Installation Code.
— Local codes or, in the absence of local
codes, the Standard on Recreational
Vehicles, NFPA1192 and/or CAN/CSA-Z240
RV.

CLEARANCE Requirements

SIdes, top and bottom - 0"
Back - Enough to make connections, but no
less than 2.5"
Front - Enough to remote access cover for
service, but no less that 10". Unit should be
installed where it can draw combustion air
into the bottom directly from the coach
exterior and flued through the 2" flue pipe to
the exterior. The combustion air source and
flue pipe must be totally isolated from the
inside of the coach.
WARNING:
If the information
instructions is no
followed exactly, a
explosion may res
causing property
damage, personal
or death.
FOR YOUR SA
Do not store or us
gasoline or other
flammable vapors
liquids in the vicin
this or any other
appliance.
Installation and
Service:
Must be preforme
qualified installer,
amps
agency or gas sup
"Clear Window (0.4

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Summary of Contents for PrecisionTemp cIAPMO-T RV-550-EC

  • Page 1 Orifice Size: Service: Locations and phone numbers of qualified Service Centers can 2.5 US Gal (9.5L) Tank Volume: be found at our website www.precisiontemp.com or Must be preforme Recovery Rating: 800-934-9690 Ext. 109 to obtain service information. CRITICAL INSTALLATION WARNINGS call qualified installer, 12.5...
  • Page 2: General Installation

    Consult your Field Auditor, Account Manager, or 5. Cut the opening or orient the pre-fabricated opening. the PrecisionTemp Service Department if you have additional Frame with 2” x 2” lumber (or equivalent). questions.
  • Page 3: Pressure Relief Valve

    WIRING INSTRUCTIONS The appliance must be disconnected from the gas supply piping system during any pressure testing of the Heater must be connected to fully rectified system at test pressures in excess of ½ psi. The 12 VDC current, taking care to assure appliance must be isolated from the gas piping system lead is connected to +12 VDC (positive) during any pressure testing at test pressures equal to or...
  • Page 4 Pressurize the water system by turning on pump or city water pressure. Purge all air from the system by turning on the faucets until a steady stream of water flows. Turn on the 12V DC power supply. Turn on the LP supply at the tank and the manual gas valve (if installed).The water heater will remain dormant until a water tap is opened and the heater senses water flow of at least 0.5 GPM.
  • Page 5 RV-550- EC and NSP-550-EC Component Layout NSP-550-EC Component Layout Hall Sensor Flow Meter 15. Gas Modulation Valve Power Vent NOT PICTURED Fluing Vacuum Switch 16. 12 VDC Relay Combination Gas Valve 17. Control Board Igniter / Proofing Probe 18. Direct Spark Ignition Board Manifold and Burner Finned Tube Heat Exchanger NOTE...
  • Page 6 If problems still persist, air. contact PrecisionTemp or an authorized service 2. Be sure that water flow is at least 0.5 gallon/ center. Only a qualified technician should do any minute.
  • Page 7 Slow the water flow. 1. For a period of two years from the date of purchase, PrecisionTemp will replace the complete water heater if the heat exchanger leaks due to corrosion.

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