Operation and Maintenance | Roberts Gorden CTH2-150, CTH2-125

SECTION 11: OPERATION AND MAINTENANCE

DANGER		WARNING
Electrical Shock Hazard	Explosion Hazard	Burn Hazard	Cut/Pinch Hazard
Disconnect electric	Turn off gas supply to	Allow heater to cool	Wear protective gear
Disconnect electric	heater before service.	before service.	during installation,
before service.	heater before service.	before service.	during installation,
before service.			operation and service.
Heater must be		Tubing may still be hot	operation and service.
Heater must be		Tubing may still be hot
connected to a properly		after operation.	Edges are sharp.
grounded electrical
source.

Failure to follow these instructions can result in death, electric shock, injury or property damage.

This heater is equipped with a hot-surface ignition system.

11.1 Sequence of Operation

1.Turn the thermostat up. When the thermostat calls for heat, the SmartValve® II will energize. After a short period, power is supplied to the blower motor.

2.When the motor approaches nominal running RPM, the pressure switch closes and signals the ignition module/SmartValve® II.

3.The ignition module/SmartValve® II then ener- gizes the hot-surface igniter for a timed warm-up period (approximately 45 to 60 seconds). After the warm-up period, the gas valve is energized.

4.If a flame is detected, the gas valve remains open and the igniter is de-energized. When the call for heat is satisfied and the system control mechanism de-energizes the burner line voltage supply, the gas is turned off.

5.If no flame is detected by the flame sensing rod, the igniter is de-energized and the module/ SmartValve® II will close and a purge period begins. After the purge, the module/SmartValve® II acts to power the igniter for a second warm-up period and a second trial for ignition period. If flame is still not established, a third purge, warm-up, and trial cycle begins. After four trials, the module/SmartValve® II will lockout for one hour or until reset.

6.If the flame extinguishes during operation, the igniter module will provide multiple trial sequences described in step 5. If ignition is not re-established, the module/SmartValve® II will lockout for one hour or until reset.

7.After lockout, reset by turning down thermostat for five seconds, and then raising it again to desired temperature, or by disconnecting power and then reconnecting.

11.2 To Shut Off Heater

Set thermostat to lowest setting.

Turn OFF electric power to heater.

Turn OFF manual gas valve in the heater supply line.

11.3 To Start Heater

Turn gas valve and electric power OFF and wait five minutes for unburned gases to vent from heater.

Turn ON main gas valve.

Turn ON electric power.

Set thermostat to desired temperature. Burner should light automatically.

11.4Pre-Season Maintenance and Annual Inspection

To ensure your safety and years of trouble-free oper- ation of the heating system, service and annual inspections must be done by a contractor qualified in the installation and service of gas-fired heating equipment.

Turn off gas and electric supplies before performing

CTH2-40 CTH2-60, CTH2-175, CTH2-150, CTH2-100, CTH2-80 specifications

Roberts Gorden is a reputable name in the field of heating and energy efficiency, and its CTH2 series of infrared radiant heaters—including the CTH2-150, CTH2-80, CTH2-125, CTH2-100, and CTH2-175—are a testament to innovation and quality. Designed for commercial and industrial spaces, these heaters provide effective and efficient heating solutions tailored to various needs.

The CTH2 series employs advanced infrared heating technology, which radiates warmth directly to objects and individuals in the space rather than heating the air. This method ensures rapid heat-up times and energy conservation, making the heaters ideal for workshops, warehouses, and other large areas where traditional heating systems may be inefficient.

One of the main features of the CTH2 series is its high thermal efficiency. The heaters convert a significant portion of the energy consumed into usable heat, resulting in lower operational costs and a reduced carbon footprint. The CTH2 models utilize durable components designed to withstand the rigors of industrial environments, ensuring longevity and reliable performance.

The CTH2-150, CTH2-80, CTH2-125, CTH2-100, and CTH2-175 models vary in output capacity and design, providing flexibility for different heating requirements. The maximum heat output ranges significantly among the models, with the CTH2-175 offering the highest thermal output, making it suitable for larger spaces or areas requiring immediate and intense heating. Conversely, the CTH2-80 is ideal for smaller areas or those that require less heat.

Installation versatility is another key characteristic of the CTH2 series. These heaters can be mounted from the ceiling or installed horizontally or vertically, accommodating different building layouts and operational needs. The heaters are also designed for easy maintenance, featuring accessible components to facilitate routine checks and repairs.

The CTH2 series incorporates safety features such as overheat protection and flame safeguard systems, ensuring safe operation even in busy industrial settings. Additionally, their sleek and modern design allows them to integrate seamlessly with existing infrastructure without detracting from the overall aesthetic of the space.

In conclusion, Roberts Gorden’s CTH2 series—including the CTH2-150, CTH2-80, CTH2-125, CTH2-100, and CTH2-175—represents a pinnacle of infrared heating technology. With their impressive efficiency, customizable output, versatile installation options, and robust safety features, these heaters are a reliable choice for any commercial or industrial heating requirement.