Chart 4.1 Troubleshooting Guide | Dayton 1RVT7, 1RVT8 instruction

Dayton Installation, Operation, Maintenance and Parts Manual

Models 1RVT7 and 1RVT8

Chart 4.1 - Troubleshooting Guide

Symptom

Possible Cause

Corrective Action

Burning of gas-air mixture inside	• Heater mounted at incorrect angle.	• Mounting angle 0˚- 30˚.
plenum (flashback).	• Excessive drafts.	• Relocate or shield from draft.
	• Gas leaking at orifice.	• Check with leak detector solution.
	• Separation of ceramic grids.	• Replace burner.
	• Ceramic grids cracked.	• Replace burner.
Delayed ignition.	• Electrode out of specification.	• See ignition system insert.
	• Low gas pressure.	• See Section 2.0, Gas Supply.
	• Partially blocked orifice.	• Clean or replace.
	• Improper orifice size.	• Consult Dealer.
	• Incorrect gas.	• See unit nameplate.
Low ceramic surface	• Dirty or plugged burner ceramics.	• See periodic maintenance instructions.
temperature or excessive	• Partially blocked orifice.	• Remove and clean.
rollout.	• Low inlet gas pressure.	• See Section 2.0, Gas Supply.
	• High or low manifold gas pressure.	• Adjust main valve regulator as specified.
	• Foreign matter in venturi tube.	• See periodic maintenance instructions.
	• Excessive dark spots on burner.	• See periodic maintenance instructions.
	• Gas supply piping too small.	• Increase inlet pressure or replace piping.
	• Incorrect gas.	• See unit nameplate.
Control system overheating.	• Heater not mounted correctly.	• Mounting angle 0˚- 30˚. Level left to right.
	• Heater mounted too close to ceiling.	• Observe clearance to combustibles.
Gas odor.	• Loose pipe connection.	• Check connections. Tighten as necessary.
Heater cycles repeatedly.	• Heater located in drafty area.	• Relocate or shield from draft.
	• Low gas pressure.	• See Section 2.0, Gas Supply.
	• Thermostat located in drafty area.	• Relocate thermostat.
	• Defective electrode or circuit board.	• Replace.
No spark; no ignition.	• Lack of 120V incoming voltage.	• Check power supply.
	• Open high voltage wire.	• Isolate an ohm for resistance, replace if 0.
	• Fan not operating.	• Locate source of electrical problem or
		replace faulty fan.
	• Improper electrode gap.	• See Ignition System specifications.
	• Loose or open wire connection.	• Check all wires, tighten or replace.
	• Pressure switch not satisfied.	• Verify fan operation. Remove obstructions.
	• Poor or no equipment ground.	• Check all connections, provide positive
		earth ground.
	• Unit in “safety lockout” mode.	• Interrupt power source, repeat trial for ignition.
	• Defective “gaslighter” control.	• Replace.
Heater lights, and “locks out”	• Poor or no equipment ground.	• Check all connections, provide positive
after approximately 10 seconds.		earth ground.
	• Polarity is reversed.	• 120V to black, neutral to white.
	• Low gas pressure.	• See Section 2.0, Gas Supply.
	• Electrode not sensing.	• Relocate or replace if defective.
	• Heater mounted at incorrect angle.	• Mounting angle 0˚- 30˚.
	• Defective “gaslighter” control.	• Replace.
Spark is present. No main gas	• Gas valve in “OFF” position.	• Turn to “ON” position.
operation. Unit “locks out”.	• Defective gas valve.	• Isolate and check for resistance, replace if 0.
	• Defective “gaslighter” control.	• Replace.
Heater will not shut off.	•Defective thermostat or wiring.	• Replace or repair.
	• Gas valve stuck or open.	• Replace.
	• High gas pressure.	• See Section 2.0, Gas Supply.

1RVT7, 1RVT8 specifications

Dayton 1RVT8 and 1RVT7 are innovative products designed for various applications while setting new standards in performance and efficiency. These models are primarily designed for HVAC and ventilation systems, providing reliable and cost-effective solutions for both commercial and residential settings.

One of the distinguishing features of Dayton 1RVT8 and 1RVT7 is their energy efficiency. Both models are engineered to minimize energy consumption while delivering optimal airflow. This is achieved through advanced motor technology, which utilizes high-efficiency motors that not only reduce operational costs but also comply with stringent energy regulations. The units operate at low wattages, making them an environmentally friendly choice.

The design of these units emphasizes durability and reliability. Built with high-quality materials, they are constructed to withstand challenging conditions, ensuring a long service life. The robust design minimizes maintenance needs, allowing users to enjoy uninterrupted operation. This reliability is further enhanced by the inclusion of thermal protection, which safeguards the motors from overheating, thus prolonging their lifespan.

Dayton 1RVT8 and 1RVT7 also feature an array of user-friendly controls and settings. The intuitive control panel allows for easy adjustments, offering multiple speed options to cater to specific airflow requirements. This versatility ensures that users can optimize performance depending on their unique needs. Additionally, the units are compatible with various smart home systems, enabling automated control and integration into broader building management systems.

In terms of noise level, both models operate quietly, ensuring minimal disruption in their surroundings. This characteristic is particularly beneficial in environments where noise pollution needs to be reduced, such as offices, healthcare facilities, or residential spaces.

Another key characteristic of Dayton 1RVT8 and 1RVT7 is their compact design. The units are designed to fit in tight spaces, making them suitable for installation in areas where traditional equipment would be impractical. This space-saving feature is a significant advantage for many users looking to optimize their floor plans without sacrificing performance.

Overall, Dayton 1RVT8 and 1RVT7 represent a powerful combination of efficiency, durability, and versatility. They are well-suited for a variety of applications, making them a top choice for users seeking reliable, high-performance ventilation solutions. Whether for heating, cooling, or air circulation, these models deliver on the promise of quality and functionality.