Features/Controls

GROUNDING INSTRUCTIONS

This boiler must be grounded in accordance with the National Electrical Code, NFPA 70 or the Canadian Electrical Code CSA 2 C22.1 and/or local codes. The boiler is polarity sensitive, correct wiring is imperative for proper operation.

This boiler must be connected to a grounded metal, permanent wiring system, or an equipment grounding conductor must be run with the circuit conductors and connected to the equipment grounding terminal or lead on the boiler.

WARNING

YOUR BOILER IS NOT DESIGNED TO OPERATE WITH A BOILER INLET WATER TEMPERATURE OF LESS THAN 120°F (49°C).

COLDER INLET WATER TEMPERATURE WILL RESULT IN SIGNIFICANT CONDENSATION DEVELOPING ON THE HEAT EXCHANGER. THIS SITUATION CAN CAUSE A CORROSIVE ENVIRONMENT FOR THE HEAT EXCHANGER, BURNERS AND VENTING RESULTING IN PREMATURE DAMAGE, WHICH COULD RESULT IN SERIOUS PERSONAL INJURY OR DEATH.

FOR SYSTEMS THAT USE LARGE VOLUMES OF COLD WATER OR SYSTEMS UTILIZING HEAVY WATER DRAWS, CONDENSATION CAN BE PREVENTED BY USING A BYPASS LOOP.

CORRECT GAS

Make sure the gas on which the boiler will operate is the same as that specified on the boiler rating plate. Do not install the boiler if equipped for a different type of gas, consult your gas supplier.

PRECAUTIONS

IF THE UNIT IS EXPOSED TO THE FOLLOWING, DO NOT OPERATE UNTILALL CORRECTIVE STEPS HAVE BEEN MADE BY A QUALIFIED SERVICEMAN:

1.EXPOSURE TO FIRE.

2.IF DAMAGED.

3.FIRING WITHOUT WATER.

4.SOOTING.

IF THE BOILER HAS BEEN EXPOSED TO FLOODING, IT MUST BE REPLACED.

LIQUID PETROLEUM MODELS

Boilers for propane or liquefied petroleum gas (LPG) are different from natural gas models. A natural gas boiler will not function safely on LP gas and no attempt should be made to convert a boiler from natural gas to LP gas.

LP gas must be used with great caution. It is highly explosive and heavier than air. It collects first in the low areas making its odor difficult to detect at nose level. If LP gas is present or even suspected, do not attempt to find the cause yourself. Leave the building, leaving doors open to ventilate, then call your gas supplier or service agent. Keep area clear until a service call has been made.

At times you may not be able to smell an LP gas leak. One cause is odor fade, which is a loss of the chemical odorant that gives LP gas its distinctive smell. Another cause can be your physical condition, such as having a cold or diminishing sense of smell with age. For these reasons, the use of a propane gas detector is recommended. IF YOU EXPERIENCE AN OUT OF GAS SITUATION, DO NOT TRY TO RELIGHT APPLIANCES YOURSELF. Call your local service agent. Only trained LP professionals should conduct the required safety checks in accordance with industry standards.

HIGH ALTITUDE INSTALLATION

WARNING

INSTALLATIONS ABOVE 4,500 FEET REQUIRE REPLACEMENT OF THE BURNER ORIFICES. FAILURE TO REPLACE THE ORIFICES WILL RESULT IN IMPROPER AND INEFFICIENT OPERATION OF THE APPLIANCE, PRODUCING CARBON MONOXIDE GAS IN EXCESS OF SAFE LIMITS, WHICH COULD RESULT IN SERIOUS PERSONAL INJURY OR DEATH.

GENESIS BOILERS ARE EQUIPPED WITH SELF-REGULATING PREJET ORIFICES WHICH AUTOMATICALLY COMPENSATE FOR HIGHER ELEVATIONS AND ADJUST THE APPLIANCE'S INPUT RATE ACCORDINGLY, MAKING IT UNNECESSARY TO REPLACE ORIFICES FOR HIGH ALTITUDE (UP TO 4,500 FEET). CONSULT THE FACTORY FOR HIGHER ALTITUDES.

Some utility companies derate their gas for altitude. You should contact your gas supplier for any specific changes which may be required in your area. Call the local gas utility to verify BTU content of the gas supplied.

Input rating specified on the rating plate applies to elevations up to 4,500 feet (1350 m). For elevations above 4,500 feet (1350 m), ratings must be reduced, consult the factory.

MULTI-STAGE FIRING AND CONTROL SYSTEM

ALL MODELS - The control system consists of four basic components: 1) Central Control Board 2) Flame Control Board 3) User Interface Module 4) Power Distribution Board; see Figures 17, 18, 19 and 21. The Central Control Board, Flame Control Boards and the Power Distribution Board are located in the control box and can be accessed through panels on the left side and top of the unit. The User Interface Module is attached to the front jacket panel. The control system is a multi-stage control capable of managing three or four firing stages. Models 1000, 1300, and 1500 operates with 3-stage fire. Models 1850, 2100 and 2500 operates with 4-stage fire. Every system will have one Central Control Board (CCB), one Power Distribution Board (PDB), one User Interface Module (UIM) and either two or three Flame Control Boards (FCB) depending on the model.

The Control Boards Figure 17 and 18, contain dipswitches which allow the user to control several system options. See Control System Section.