Installation Manual Stationary Emergency Generator INTENDED FOR USE IN CRITICAL LIFE NOT SUPPORT APPLICATIONS. ONLY QUALIFIED ELECTRICIANS OR CONTRACTORS SHOULD ATTEMPT INSTALLATION! DEADLY EXHAUST FUMES! OUTDOOR INSTALLATION ONLY! This manual should remain with the unit.
Table of Contents Introduction............................................................. 1 Read This Manual Thoroughly ................................................1 Safety Rules............................................................ 1 INSTALLATION ...................................................................... 12 2.1 Transfer Switch ........................................................... 12 2.2 Unpacking ................................................................... 12 2.
Safety Rules INTRODUCTION Thank you for purchasing this compact, high performance, air-cooled, engine-driven generator. It is designed to automatically supply electrical power to operate critical loads during a utility power failure. This unit is factory installed in an all-weather, aluminum enclosure and is intended exclusively for outdoor installation. This generator will operate using either vapor withdrawn liquid propane (LP) or natural gas (NG).
Safety Rules THESE INSTRUCTIONS – The manufacturer suggests that these rules for safe operation be copied and posted near the unit’s installation site. Safety should be stressed to all operators and potential operators of this equipment. SAVE Study these SAFETY RULES carefully before installing, operating or servicing this equipment. Become familiar with this Owner’s Manual and with the unit.
Safety Rules • The National Electrical Code (NEC) requires the frame and external electrically conductive parts of the generator to be connected to an approved earth ground. Local electrical codes also may require proper grounding of the generator electrical system. • After installing this home standby electrical system, the generator may crank and start at any time without warning. When this occurs, load circuits are transferred to the STANDBY (generator) power source.
General Information 1.1 GENERATOR INSTALLATION This equipment is a liquid-cooled, engine-driven generator set. The generator is designed to supply electrical power that operates critical electrical loads during utility power failure. The unit has been factory-installed in a weather resistant, all metal enclosure and is intended for outdoor installation only. After the system has been installed, do noth ing that might render the installation in noncompliance with such codes, standards and regulations.
General Information 1.3 GENERATOR LOCATION Figure 1.1 — Combustible Floor and Roof Protection Install the generator set, in its protective enclosure outdoors, where adequate cooling and ventilating air always is available. Consider these factors: • Install the unit where air inlet and outlet openings will not become obstructed by leaves, grass, snow, etc. If prevailing winds will cause blowing or drifting, consider using a windbreak to protect the unit.
General Information 1.7 EXTERNAL MUFFLER OR CATALYST INSTALLATION If the generator requires an external catalyst (shipped loose in a kit), follow the instructions provided with the Catalyst Kit or Owner's Manual. If the generator requires an external muffler (shipped loose in a kit), follow these installation instructions. 1.7.1 1. 2. 3. 4. 5. MUFFLER ASSEMBLY DIRECTIONS Slip item 3 over the exhaust pipe which extends though the exhaust duct and secure with clamp (item 2) (see Figure 1.2).
General Information Figure 1.3 — Typical Natural Gas System Generator Base Primary Regulator (Supplied by Installing Contractor) Gas Actuator Fuel Shutoff/Regulator Assembly Flex Fuel Line (Supplied with Unit) 11 - 14” Water Column Recommended (> = 70kW) 5 - 14" Water Column Recommended (< 70kW) Manual Shutoff Valve Follow the local codes on selecting the required AGA approved, and UL listed, for NG application flexible portion of the fuel line (supplied by the installing contractor). 1.8.
General Information 1.8.5 GASEOUS FUEL SYSTEM PIPING 1.9.1 NOTE: The information below is to assist in planning gaseous fuel installation. In NO WAY should this information be interpreted to conflict with applicable fuel gas codes. Contact the local jurisdiction if questions arise. The following general rules apply to piping used in gaseous fuel systems: • The piping should be of black iron, rigidly mounted and protected against vibration.
General Information Solution: the fuel supplier. The table is also based on a pressure drop of 0.3 inches of water column, which allows for a nominal amount of restrictions from bends, fittings, etc. Example 2 illustrates how to calculate the pipe size for the generator. Specific gravity according to the local vendor: 0.5 Density of Natural Gas from Table 1: 0.
General Information TABLE 3 — VAPOR CAPACITY OF PROPANE STORAGE TANKS To Use: Go to the First column and pick the required kW load and then pick the minimum ambient temperature (40º, 20º or 0º F) that the generator would be operating in. The third column (tank capacity) will give the required tank size to continually produce the given fuel flow.
General Information A 3 inch pipe is required at the given distance of 75 feet. Pressure drop does not have to be considered unless an unusual number of fittings, bends or other restrictions are used. In such unusual cases, the fuel supplier will usually specify which multiplier is applicable. (Refer to the Connection Diagrams section in this manual, or the wiring diagram in the Owner's Manual that is supplied with the unit.) Figure 1.
Installation NOTE: Do not dispose of the battery in a fire. The battery is capable of exploding. Do not open or mutilate the battery. Released electrolyte can be toxic and harmful to the skin and eyes. The battery represents a risk of high short circuit current. When working on the battery, always remove watches, rings or other metal objects, and only use tools that have insulated handles. 1.11.1 VENTED BATTERIES The electrolyte is a dilute sulfuric acid that is harmful to the skin and eyes.
Operation Figure 3.1 – Basic Standby Electric System 3.4 CONNECTION DIAGRAMS All wiring in the standby electric power system must be in strict compliance with applicable codes, standards and regulations. Such wiring must be properly supported, routed, and connected. In addition, wiring must be properly sized to carry the maximum load current to which is will be subjected. The connections between the generator and transfer switch will vary depending on the equipment ordered.
TO 120VAC, 15 AMP CIRCUIT TB1 CUSTOMER CONNECTION 8 7 RM STRT WIRE 178 6 RM STRT WIRE 183 5 TRNS SW WIRE 194 4 TRNS SW WIRE 23 3 UTILITY N2 2 UTILITY N1 1 E2 (E3) NOTE: E3, N3 AND T3 WIRES ARE ONLY USED ON 3 PHASE SYSTEMS E1 3 PHASE E2 NEUTRAL BLOCK E1 POWER LEADS AND TRANSFER SWITCH LEADS MUST BE RUN IN TWO DIFFERENT CONDUITS.
Operation Terminals 178 and 183 in the generator AC connection box are not used in this application. Connection of any wires to these termi- Figure 3.4 — AC Outlet for Block Heater and Battery Charger (to be wired by installer) nals may result in unwarrantable damage to the control board. The load wires consist of wires run between the generator main circuit breaker and the transfer mechanism, and a neutral wire. See "Wire Recommendations/Sizing" for load wire sizing information. 3.4.
Operation Figure 3.
Operation TABLE 4 — ALLOWABLE AMPACITIES OF INSULATED CONDUCTORS RATED 0-2000 VOLTS, 60° TO 90° C (140° TO 194° F).
Part No. 0F8751 Revision J (07/26/11) Catalog No. IM-ASPCA-03 Printed in U.S.A.
