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SAGINAW CONTROL & ENGINEERING • A/C USER MANUAL
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1. User Manual ............................................................................................ p. 2
2. Legal Regulations ................................................................................... p. 2
3. Safety Instructions ................................................................................. p. 3
4. Technical Information ............................................................................. p. 4
5. Functional Principle ............................................................................... p. 4
6. Technical Data ......................................................................................... p. 5
7. Performance Graph ................................................................................ p. 6
8. Mounting .................................................................................................. p. 7
9. Mounting Principle ................................................................................. p. 7
10. Cutout Dimensions ................................................................................. p. 8
11. Dimensions (H x W x D) ......................................................................... p. 8
12. Electrical Connection ............................................................................. p. 9
13. Controller Programming ........................................................................ p. 9
14. Wiring Diagram ....................................................................................... p. 12
15. Taking Into Operation ............................................................................. p. 14
16. Repair ....................................................................................................... p. 14
19. Parts Supplied ......................................................................................... p. 16
20. Warranty / Limits of Liability ................................................................. p. 17
User Manual SCE-HE24W120V
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Summary of Contents for SCE Enviro-Therm SCE-HE24W120V
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Page 1: Table Of Contents
SAGINAW CONTROL & ENGINEERING • A/C USER MANUAL User Manual SCE-HE24W120V 1. User Manual .................... p. 2 2. Legal Regulations ................... p. 2 3. Safety Instructions ................. p. 3 4. Technical Information ................p. 4 5. Functional Principle ................p. 4 6. -
Page 2: User Manual
SAGINAW CONTROL & ENGINEERING • A/C USER MANUAL 1. User Manual This instruction manual contains information and instructions to enable the user to work safely, correctly and economically on the unit. Understanding and adhering to the manual can help one: •... -
Page 3: Safety Instructions
SAGINAW CONTROL & ENGINEERING • A/C USER MANUAL 3. Safety Instructions Upon delivery the unit is already meeting current technical standards, therefore it can be safely taken into operation. Only trained specialists are allowed to work on the unit. Unauthorized personnel must be prohibited from working on the unit. Operating personnel must inform their superiors immediately if any malfunction of the unit becomes apparent. -
Page 4: Technical Information
SAGINAW CONTROL & ENGINEERING • A/C USER MANUAL 4. Technical Information Concise Unit Description Heat Exchangers are used where the heat generated by energy losses in control cabinets must be conducted away to protect temperature-sensitive components. The characteristics graph shown in the “Performance Characteristics” section applies to external (ambient) air as the coolant In Air-to-Air Heat Exchangers, the internal temperature of the control cabinet cannot be cooler than the ambient temperature. -
Page 5: Technical Data
SAGINAW CONTROL & ENGINEERING • A/C USER MANUAL 6. Technical Data Part Number SCE-HE24W120V Specific Performance 24 W/F Operating Temperature Range 23°F - 131°F Mounting External Housing Material Mild Steel, Powder Coated Dimensions (H x W x D) 47.16 x 10.24 x 5.95 inch Weight 36.8 lbs... -
Page 6: Performance Graph
SAGINAW CONTROL & ENGINEERING • A/C USER MANUAL 7. Performance Graph Enviro-Therm Heat Exchangers 24 W/F ® Performance Curve SCE-HE24W120V T = Temperature difference between ambient and internal temperature P = Heat Exchanger performance Δ T (°C) 7000 6000 5000... -
Page 7: Mounting
SAGINAW CONTROL & ENGINEERING • A/C USER MANUAL 8. Mounting Danger from Electrical Voltage The unit must be mounted by specialized personnel (qualified electricians). The personnel must ensure that the cabinet is disconnected from the electrical supply for the duration of the mounting operation. Therefore, take the cabinet out of operation, following the relevant instructions before mounting work commences. -
Page 8: Cutout Dimensions
SAGINAW CONTROL & ENGINEERING • A/C USER MANUAL 10. Cutout Dimensions 10.00 1.50 7.00 1.50 1.59 8.50 7.38 8.88 22.52 27.63 47.00 8.50 4.02 .312 (x6) 11.50 10.00 11. Dimensions (H x W x D) 10.00 5.96 10.24 47.16 back to top... -
Page 9: Electrical Connection
SAGINAW CONTROL & ENGINEERING • A/C USER MANUAL 12. Electrical Connection Door Switch The unit can be switched on and of via a door contact switch. When delivered the door contact terminals are bridged on the female connector. To connect the door contact switch, remove the bridge and connect door contact switch. The contact must be closed when the cabinet door is closed. - Page 10 SAGINAW CONTROL & ENGINEERING • A/C USER MANUAL Display icons Icon Function Description Compressor relay active Alarm relay active Flashes when activation is delayed or inhibited Heater relay active by protection times, external disabling, or other procedures in progress Ambient blower relay active Alarm Flashes when alarms are active Heating mode...
- Page 11 SAGINAW CONTROL & ENGINEERING • A/C USER MANUAL Setting temperature units (°C / °F), low temperature alarm and high temperature alarm: 1. Press “PRG” button for 5 seconds to reach the modifiable parameter list. 2. Use ▲ or ▼ to reach the desired parameter: •...
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Page 12: Wiring Diagram
SAGINAW CONTROL & ENGINEERING • A/C USER MANUAL 14. Wiring Diagram Internal Blower External Blower Controller Transformer 7-Core Cable Alarm Relay Transformer Connector Electrical Supply Connections 1 L1 - 120V 2 Neutral/N - 120V 3 Earth/Ground 4 — 5 P1 High Temp Alarm Contact 6 P2 High Temp Alarm Contact 7 T1 Door Switch Contact 8 T2 Door Switch Contact... - Page 13 SAGINAW CONTROL & ENGINEERING • A/C USER MANUAL High Temp Alarm Ground High Temp Alarm L2/N for 120 V Door Switch L1 for 120 V Door Switch back to top...
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Page 14: Taking Into Operation
SAGINAW CONTROL & ENGINEERING • A/C USER MANUAL 15. Taking Into Operation As described in the “Technical Information” section, the unit is controlled in relation to the cabinet internal temperature. The required cabinet temperature can be set on the potentiometer on the controller. The temperature adjustment range is between 32°F (left-hand stop) and 140°F (right-hand stop). -
Page 15: Maintenance & Cleaning
SAGINAW CONTROL & ENGINEERING • A/C USER MANUAL 17. Maintenance & Cleaning Danger from Electrical Voltage Maintenance and cleaning must be carried out by specialists (electricians). The personnel must ensure that for the duration of this work, the unit and the cabinet are disconnected from the electrical supply and protected against unauthorized reactivation. -
Page 16: Transportation & Storage
6 x Washers A6.4 DIN 125 6 x Lock Nuts M6 DIN 985 1 x Tight Tape 1 x Drain Connector 1 x O-ring Saginaw Control and Engineering 95 Midland Road Saginaw, MI 48638-5770 Phone: (989) 799-6871 Fax: (989) 799-4524 sce@saginawcontrol.com back to top... -
Page 17: Warranty / Limits Of Liability
20. Warranty / Limits of Liability All goods manufactured by SCE shall be warranted to be free of defects in material or workmanship for a period of two years from the date of shipment. Should the product be proven to SCE to be defective, we shall option to repair or replace the product.