TECHNICAL DATA (a) General Information (b) ER-Series heating Models (or GX, CW, AL, SC) (c) Typical Arrangement of Heater 2 2 – 4 2. PACKAGING AND SHIPPING 4 – 5 3. MOUNTING CLEARANCES 5 – 6 4. PRE-ASSEMBLY 6 5. INSTALLATION 7 6. GAS CONNECTION 8 – 9 7. ELECTRICAL CONNECTION 10 – 11 8. VENT REQUIREMENT AND DETAILS (a) Unvented units (b) Vertical Vent (c) Horizontal Vent 12 – 13 9. FRESH AIR DUCTED INTAKE (a) Vertical Thru Roof (b) Horizontal Thru Wall 13 10. INSTALLATION CHECK OUT AND START UP 1

An Ultimate Products inlet cap with bird screen must be fitted at the inlet of the duct. If the duct inlet is located above the roof the underside of the inlet terminal must be at least 2 ft. above roof level and at least 10 inches above any projection on the roof within 7 ft. of the inlet. See Appendix ‘A’ for typical installation drawing and Ultimate Products part numbers. Intake pipe, fittings, and sealant are not furnished by Manufacturer. 2319 Laurelbrook Street, Raleigh, NC 27604 · (800) 5

Individual heating units are suspended from the roof or mounted at an angle on the wall when inside buildings or horizontal when outside. IMPORTANT 1. This appliance must only be installed by qualified craftsman in accordance with the requirements of local and national codes. 2. This appliance must be grounded in accordance with the National Electrical code ANSI/NFPA No.70. 3. Never rest anything, especially ladders, against the heater. TO START THE HEATER 1. First ensure that the gas supply to

7 ELECTRICAL CONNECTION (a) Burner/Control Internal Wiring IMPORTANT: All electrical work should be done by a qualified electrician in accordance with the National Electrical Code ANSI/NFPA 70. Supply: 120 V, 60 Hz, single phase Current Rating: 0.3 amp max 2319 Laurelbrook Street, Raleigh, NC 27604 · (800) 542-7221 · FAX (919) 834-4526 · -10 A. 7 ELECTRICAL CONNECTION (CONT.) The electrical supply to the heater is by three wires: live, neutral and ground connections. It is recommended that the s

Replace the burner/control assemblies engaging them fully on their tubes and secure by tightening the screws ensuring that they are squarely positioned (i.e. with the air inlet cover plate facing upwards). C. REFLECTOR – The condition of the reflector should be noted and any necessary cleaning performed. The reflectors can be simply removed for cleaning by removing the reflector clamp screws securing them to the suspension brackets and sliding them out of the suspension brackets. The reflector c

T. U. 150,000 B. T. U Horizontal Recommended Minimum 14 ft 12ft 16ft 14ft 18ft 16ft Inclined Recommended Minimum 11ft 10ft 13ft 12ft 15ft 14ft Ensure that there is adequate provision in the building for combustion and ventilating air supply. Installation must meet minimum requirements of applicable codes. When installed in public garages and airplane hangars ensure that minimum clearances specified in ANSI/NFPA 88A or B, ANSI/NFPA 409, respectively, are met; and in no case less than those in the