York SCOH-070K Technical Information Download Page 35 | Manualshive

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York SCOH-070K Technical Information Download Page 35

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Duct electric heaters for SICH-070 to 300B

These duct electric heaters are designed to provide backup
heat in heat pump units, and complementary heat in cool only
units. On and off cycles are governed by the air conditioning
equipment control system. These should be fitted directly to
the impulse outlet of the indoor section of the unit.

Technical specifications

These  duct  electric  heaters  include  the  following  compo-
nents:
-  Galvanised sheet casing, covers and supports.
-  Exposed nickel-chrome wire electric resistance mounted

on steatite supports.

- Power supply contactor with a 400 V coil.
- Two thermal switches located at the top of the heater. The

first, with automatic reset, disconnects the heater when a
temperature of 77°C is reached. The second, accessible
externally and with manual reset, disconnects the heater
when a temperature of 138°C is reached. With 2-stage heat-
ers, there are four thermal protectors, 2 for each stage.

- Interlock with the indoor fan thermal relay. The control

system of the unit does not allow operation of the heater
when the indoor fan thermal relay fails.

- Plug-in connector for interconnection between the control

panel of the air conditioning unit and the heater.

- PVC gasket for heater-air conditioner joint and self-thread-

ing screws for fastening the accessory.

General dimensions mm

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Summary of Contents for SCOH-070K

Page 1: ...300B Johnson Controls Manufacturing Espa a S L is participating in the EUROVENT Certification Program Products are as listed in the EUROVENT Directory of Certified Products in the program AC1 AC2 AC3...

Page 2: ...o SIH 300B 45 Tray heaters 46 General Information 46 Technical specifications 46 Assembly 46 Installation 46 General dimensions 46 Wiring diagrams 47 Index General information 3 General description 3...

Page 3: ...its are supplied with connections ready for welding The refrigerant load should be carried out completely on job site See refrigerant loads in physical data table The refrigerant used is R 407C Electr...

Page 4: ...ertia that could affect components Operating diagram Thermostat The SCOH SICH 070 to 300 units include as standard equip ment the electromechanical DPC 1 thermostat To connect the thermostat to the bo...

Page 5: ...0 2 640 2 640 Depth mm 883 883 883 883 883 883 973 973 kg 305 325 375 385 560 650 720 750 kg 309 329 379 389 564 654 724 754 Nominal load R 407C kg 9 8 7 13 8 13 8 x 2 9 x 2 13 x 2 16 x 2 Refrige rant...

Page 6: ...cycle Operating cycle Nom 230 V Nom 400 V Maximum C Minimum C Minimum C Maximum C Cool 19 Heat DB 10 2 Minimum 342 Maximum 254 Limits of use Notes WB wet bulb DB dry bulb 1 Below 20 C only the emergen...

Page 7: ...SCOH 090 and 120K General dimensions mm...

Page 8: ...SCOH 150K General dimensions mm...

Page 9: ...SCOH 180K General dimensions mm...

Page 10: ...10 SCOH 240 and 300K General dimensions mm...

Page 11: ...11 SICH 070 and 076B SICH 090 and 120B SICH 150B General dimensions mm...

Page 12: ...12 SICH 180B SICH 240B and 300B General dimensions mm...

Page 13: ...ion belt 4 Through the side accesses unscrew panels ref 3 and 4 as indicated in the standard orientation figure 5 Unscrew the fastener of the fan to its support ref 5 6 Place panel ref 3 in the previo...

Page 14: ...14 Variant chart...

Page 15: ...1 10 1 00 0 80 0 69 17 1 30 1 13 1 04 0 83 0 63 WB air temperature outdoor unit C 2 1 5 0 5 0 0 5 1 1 2 Correction in C on real temperature of air intake to the outdoor coil Flow 70 80 90 100 110 120...

Page 16: ...4 7 22 17 30 300 23 487 28 384 30 300 30 300 7 54 22 33 633 9 965 14 863 22 209 27 107 7 79 19 5 30 300 16 130 21 028 28 374 30 300 8 20 17 27 876 21 161 26 059 27 876 27 876 8 61 22 30 300 8 961 13 8...

Page 17: ...5 80 352 40 233 50 753 66 533 77 070 18 20 17 74 400 54 214 64 734 74 400 74 400 19 03 22 82 584 24 837 35 357 51 137 61 657 19 65 19 5 74 400 38 032 48 551 64 331 74 400 20 68 17 68 448 49 864 60 383...

Page 18: ...CH 070 076B 4 530 1 26 62 SICH 090 120B 8 500 8 300 2 36 2 31 62 75 SICH 150B 10 700 2 97 75 SICH 180B 13 600 3 77 80 SICH 240B 16 500 4 58 80 SICH 300B 19 500 5 42 80 Nominal flow m3 s Model m3 h Ind...

Page 19: ...0 SICH180B 15 9 155 8 11 500 3 19 2 004 14 2 139 1 12 000 3 33 2 139 12 6 123 4 12 500 3 47 2 240 11 0 107 8 13 000 3 61 2 408 8 6 84 2 13 500 3 75 2 535 6 5 63 7 14 000 3 89 2 732 3 9 38 2 14 500 4 0...

Page 20: ...0 6 300 6 470 7 010 8 200 9 750 10 230 10 700 11 100 11 500 11 650 11 800 12 200 12 500 9 200 10 300 11 200 11 600 12 000 12 400 12 600 12 900 13 300 13 700 14 000 15 100 15 700 16 800 17 300 18 100 1...

Page 21: ...upply cable section Start Nominal Power supply V ph Hz Consumption A mm2 400 3 50 8 2 2 4 x 1 5 400 3 50 17 3 2 4 x 1 5 400 3 50 17 3 4 4 x 1 5 400 3 50 20 3 7 4 x 1 5 400 3 50 34 6 1 4 x 1 5 400 3 50...

Page 22: ...ans of software that is resident in the board System operation is carried out in accordance with the posi tion of the microswitches in the main board There are also variations in the control algorithm...

Page 23: ...23 Wiring diagram SCOH 070K 076K 090K and 120K 400 3 50...

Page 24: ...24 Wiring diagram SCOH 120K 180K 240K and 300K 400 3 50...

Page 25: ...25 Wiring diagram SCOH 150K 180K 240K and 300K 400 3 50...

Page 26: ...26 Configuration of switches failures lock outs and incidents...

Page 27: ...ric heater SICH 070 076B 10 kW X Duct electric heater SICH 070 076B 15 kW X Duct electric heater SICH 090 SICH 300B 20kW X X X X X Duct electric heater SICH 090 SICH 300B 30kW X X X X X Water coil for...

Page 28: ...CH 070 076 090 120 and 150B Made of copper tubes and aluminium fins Designed to be fitted inside the conditioner on galvanised steel supports Equipped with an 1 8 air purger General dimensions mm Phys...

Page 29: ...el chrome wire electric resistances mounted on steatite supports Power supply contactor with a 400 V coil Two thermal protectors located at the top of the heater The first with automatic reset disconn...

Page 30: ...30 Assembly and general dimensions mm SICH 240B to 300B...

Page 31: ...CH 070 and 076B 620 1 300 110 7 SCIH 090 and 120B 620 1 520 110 8 SICH 150B 620 1 920 110 9 SICH 180B 510 2 405 165 10 SICH 240 and 300B 630 480 480 15 Heater model Power supply Power Consump tion Sta...

Page 32: ...Mount the control support on the side of the machine or inside the electrical box depending upon the SICH unit and fasten with the screws supplied 8 Connect the power supply cables to connecting strip...

Page 33: ...33 Wiring diagram Heater 10 15kW 400 3 50 SICH 070 to 180B...

Page 34: ...34 Wiring diagram Heater 20 30kW 400 3 50 SICH 090 to 300B...

Page 35: ...upply contactor with a 400 V coil Two thermal switches located at the top of the heater The first with automatic reset disconnects the heater when a temperature of 77 C is reached The second accessibl...

Page 36: ...accessible and at the top See Heater Location diagram 7 Fasten the PVC gasket supplied with the accessory to the frame surface of the heater adjacent to the indoor fan panel 8 Fasten the heater to the...

Page 37: ...37 Location of the heater SICH 070 and 076B...

Page 38: ...38 Location of the heater SICH 090 to 300B...

Page 39: ...39 Wiring diagram Heater 10 15kW 400 3 50 SICH 070 and 076B...

Page 40: ...40 Wiring diagram Heater 20 30kW 400 3 50 SICH 090 to 300B...

Page 41: ...ge the motor to the proportioned and mounted sup port B making sure the pulleys are aligned the centre of the tensor will be at about 20 mm from the face of the fan fig 3 4 Fasten the fan to the wings...

Page 42: ...42 Fig 4 Model E F G H SCOH SCOC 070 076K 730 1363 272 1075 SCOH SCOC 090 120K 725 1738 332 1450 General dimensions mm...

Page 43: ...tor to the proportioned and mounted sup port B making sure the pulleys are aligned the centre of the tensor will be at about 20 mm from the face of the fan fig 3 4 Fasten the fan to the wings C and su...

Page 44: ...44 Fig 4 Model E F G H SCOH SCOC 150K 728 2038 393 1828 SCOH SCOC 180K 777 2240 393 2030 SCOH 240 300K 857 2640 393 2430 General dimensions mm...

Page 45: ...e panels as well as the fans and orient these as indicated in the drawing fasten ing them to the upper panel included in the conversion kit 2 Once the fans are assembled fasten the top panel ref 1 to...

Page 46: ...power supply to the outdoor unit 2 Remove the control panel electrical connection covers of the unit 3 Remove the access covers to the outdoor unit coil 4 Install the tray heater along the condenser...

Page 47: ...47 All data subject to change without notice Wiring Diagrams Tray heater accessory 1 230 1 50 Tray heater accessory 2 230 1 50...

Page 48: ...www johnsoncontrols com...

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