Supplemental Manual
3
HE+ Series 1-Stage Supplemental Manual
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4
1. INPUT RATINGS AND DIMENSIONS 5
2. BURNER / TUBE KIT ASSEMBLY CHART 7
3. TURBULATOR LENGTH & LOCATION 11
4. COMBUSTION AIR DUCTING 13
5. FLUE VENTING: 14
MIN./MAX. SYSTEM LENGTHS 15
HEATER EXPANSION & VENT 16
VERTICAL VENTING—CATEGORY I 17
HORIZONTAL VENTING—CATEGORY III 18
6. GAS SUPPLY PRESSURES 20
7. ELECTRICAL AND THERMOSTAT 20
8A. WIRING DIAGRAM: FENWAL DSI
24V or 120V THERMOSTAT 21
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8B. WIRING DIAGRAM: MULTIPLE
HEATERS PER THERMOSTAT 22
9. FENWAL DSI: SEQUENCE OF OPERATION 23
SPARK IGNITER SET UP 25
FENWAL DSI SERVICE CHECK 25
10. TROUBLESHOOTING GUIDE: DSI 26
11. TROUBLESHOOTING GUIDE: HEATER 27
12. START– UP / COMMISSIONING SHEET 29
13. GAS CONVERSION OF BURNER 31
14. HIGH ALTITUDE & ORIFICE CHART 32 - 33
15. BURNER PARTS LIST 34
16. TUBE SYSTEM PARTS LIST 36
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• ALSO REFER TO THE GENERAL MANUAL INCLUDED FOR THIS SERIES HEATER
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IMPORTANT INFORMATION - READ FIRST
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5, 31
5, 31
5, 26
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5
‘’ 6
6
Clearances Figure & Table 7
8
1. LABOR REQUIREMENTS 9
2. INSTALLATION IN AIRCRAFT HANGARS 9
3. COMMERCIAL GARAGES 9
4. USE OTHER THAN SPACE HEATING 9
5. PRE-INSTALLATION SURVEY 10
6. MOUNTING CLEARANCES 11
SERVICE CLEARANCE 11
HEATER PLACEMENT GUIDELINES 12
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7. SYSTEMS WITH 90° & 180° ELBOWS 12
ELBOW KIT DIMENSIONS 13
8. SUSPENSION OF THE SYSTEM 14
9. BURNER & TUBE INSTALLATION:
STRAIGHT TUBE SYSTEM 15
SPECIAL COUPLING - 180 to 260 Mbh 18
10. SESMIC RESTRAINT 19
HIGH WIND RESTRAINT 19
11. REFLECTOR INSTALLATION 20
12. GAS SUPPLY 21
HEATER EXPANSION 22
FLEXIBLE GAS CONNECTION 23
13. ELECTRICAL AND THERMOSTAT 24
14. HIGH ALTITUDE INSTALLATION 24
15. LIGHTING INSTRUCTIONS 24
16. RECOMMENDED MAINTENANCE 24
17. OPTIONAL ACCESSORIES 25
OPTIONAL CONTROLS 27
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