Assessments - 3, GPA: 3.3
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8. Replace cover and tighten 1/4 turn fasteners. WIRING ELECTRIC SHOCK HAZARD. Any installation involving electric heaters must be performed by a qualified person and must be effectively grounded in accordance with the National Electrical Code to eliminate shock hazard. Note: Electrical wiring is to be in accordance with the National Electrical Code and local codes by a qualified person using at least 75°C (167°F) type RH, THW or equivalent insulated conductors. 1. Electrical wiring can be brought into heater through 3/4” knockout located either in back panel or bottom of left hand end of heater (wiring compartment). 2. Grounding conductor with green insulation, should be secured into grounding lug located in wiring compartment. 3. Using Wiring Diagram Table B select applicable wiring diagram (Figure 2-9) for proper method of connecting heater. 4. Two or more Type HCH heaters may be controlled by a common fused disconnect switch providing total branch circuit current does not exceed 48 amperes according to National Electrical Code. Wiring Diagrams — Table B Model Wiring Diagram Figure No. 120V 1o 208V 240V 277V 480V 550V 575V 600V 1o 3o 1o 3o 1o 1o 3o 3oY (3 Wire) 3oY (4 Wire) 3o 3oY 3o 3oY 3o 3oY HCH-051 2 8 8 2 HCH-071 2 8 8 2 HCH-101 2 8 4 8 4 2 3 9 6 HCH-151 2 8 4 8 4 2 3 9 6 9 9 9 HCH-201 2 8 4 8 4 2 3 9 6 9 9 9 HCH-251 2 8 4 8 4 2 7 5 6 9 9 9 HCH-301 8 4 9 4 2 7 5 6 9 9 9 HCH-351 8 4 8 4 2 7 5 6 5 5 5 HCH-401 8 4 8 4 2 7 5 6 5 5 5 HCH-451 8 4 8 4 2 7 5 6 5 5 5 HCH-501 8 4 8 4 2 7 5 6 5 5 5 2 WIRING (cont’d.) 3 WIRING (cont’d.) 4 WIRING (cont’d.) OPERATION 1. Temperature sensitive fabrics may discolor. Allow space greater than 4” if necessary. 2. To allow for proper air circulation. keep space underneath heater FIRE HAZARD: Keep combustible materials a mini- free from obstructions, objects or debris. mum of four inches away from front, top or side cov 3. Adjust thermostat (optional) until desired temperature is reached. ers. Failure to follow these instructions could result in 4. Turn off power to heater at the end of the heating season. personal injury and property damage. MAINTENANCE 1. Following long periods of idleness, heater should be vacuumed before start-up, to remove accumulated combustible particles which will incinerate causing smoking and consequent wall ELECTRIC SHOCK HAZARD. Disconnect all power discoloration. before installing or servicing heater. Failure to do 2. If heater is located in areas of heavy traffic, furnish suitable so could result in personal injury or property dam- heater guard (wall mounted pipe rail in front of case, for exam- age. Heater must be installed or serviced by a ple) to prevent damage to heater. qualified person in accordance with the National Electrical Code, NFPA 70. 5 RENEWAL PARTS HCH HEATER REPLACEMENT ELEMENTS — Part Number Prefix 118-026956 Model HCH 051 HCH 071 HCH 101 HCH 151 HCH 201 HCH 251 HCH 301 HCH 351 HCH 401 HCH 451 HCH 501 Watts 500W 750W 1000W 1500W 2000W 2500W 3000W 3500W 4000W 4500W 5000W Volts 120V 001 005 001 (2) 005 (2) 015 (3) 021 (3) — — — — — 208V 002 006 002 (2) 006 (2) 016 (3) 022 (3) 029 (3) 036 (3) 043 (3) 050 (3) 057 (3) 208V 3o – – 009 (3) 002 (3) 016 (3) 022 (3) 029 (3) 036 (3) 043 (3) 050 (3) 057 (3) 240V 003 007 003 (2) 007 (2) 002 (3) 023 (3) 030 (3) 037 (3) 044 (3) 051 (3) 058 (3) 240V 3o – – 010 (3) 003 (3) 002 (3) 023 (3) 030 (3) 037 (3) 044 (3) 051 (3) 058 (3) 277V 004 008 004 (2) 008 (2) 003 (3) 024 (3) 031 (3) 038 (3) 045 (3) 052 (3) 059 (3) 480V – – 003 (2) 007 (2) 017 (3) 025 (3) 032 (3) 039 (3) 046 (3) 053 (3) 060 (3) 480V 3o – – — – — 025 (3) 032 (3) 039 (3) 046 (3) 053 (3) 060 (3) 480V 3o Y – – 011 (3) 004 (3) 003 (3) — — — — — — 480V 3o 4 Wire – – 011 (3) 004 (3) 003 (3) 024 (3) 031 (3) 038 (3) 045 (3) 052 (3) 059 (3) 550V 3o Y – – — 012 (3) 018 (3) 026 (3) 033 (3) 040 (3) 047 (3) — — 550V 3o – – — — — — — — — 054 (3) 061 (3) 575V 3o Y – – — 013 (3) 019 (3) 027 (3) 034 (3) 041 (3) 048 (3) — — 575V 3o – – — — — — — — — 055 (3) 062 (3) 600V 3o Y – – — 014 (3) 020 (3) 028 (3) 035 (3) 042 (3) 049 (3) — — 600V 3o – – — — — — — — — 056 (3) 063 (3) When ordering element replacement parts use part number prefix No. 118-026956 then the element number, e.g. To replace an element in a 120V HCH 151 order 118026956- 005. The (2) or (3) following the element number designates the number of heating elements contained in the heater. AUTOMATIC CUT-OFF REPLACEMENT For HCH Heaters Part Number HCH 051 and HCH 051M thru HCH 201 and HCH 201M 300-024413-001 HCH 251 and HCH 251M thru HCH 351 and HCH 351M 300-024413-002 HCH 401 and HCH 401M thru HCH 501 and HCH 501M 300-024413-009 REPLACEMENT TRANSFORMER For HCH Heaters rated Part Number 480V 315-052169-001 550V, 575V and 600V 315-052169-014 REPLACEMENT CONTACTOR For HCH Heaters rated Part Number 480V Single phase 072-303180-011 480V thru 600V 3 phase 072-303180-007 208V and 240V Single phase 072-303180-016 208V and 240V 3 phase 072-303180-013 THERMOSTAT REPLACEMENT For HCH Heaters Part N...