ESIE02–01
General Functionality
Part 2 – Functional Description
2–5
3
2
4
5
1
1.3
Functions of Thermistors: Large Heat Pumps
Locating the
thermistors
The thermistors on the illustration below are used to control the system. This control secures a proper
operation and prevents problems of the unit.
Functions of the
thermistors
The table below contains the thermistor functions of the large h/p.
p <
p >
1
2
5
3
4
Outdoor unit
Indoor unit
Ther-
mistor
Location
Wiring
symbol
Mode
Function
1
Indoor
heat
exchanger
R2T
Cooling
■
Optimise discharge temp. (evap. temp.)
■
Freeze-up thermostat
Heat-
ing
■
Optimise discharge temp. (cond. temp.)
■
Integral capacity calculation (to determine
defrost)
■
Hot start indoor fan
■
Peak cut-off
■
Outdoor unit fan control
2
Indoor air
return
R1T
Cooling
■
Thermostat control
■
Start-up control expansion valve and outdoor
unit fan
■
Outdoor fan speed control
Heat-
ing
■
Thermostat control
■
Start-up control expansion valve and outdoor
unit fan
■
Integral capacity calculation (to determine
defrost)
■
Peak cut-off
Содержание FHC45BZ7V1
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Страница 3: ...ESIE02 01 Service Manual Sky Air R 407C B series SV p p p...
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Страница 16: ...Introduction ESIE02 01 xii 3 1 4 5...
Страница 18: ...ESIE02 01 1 2 Part 1 System Outline 3 1 1 5...
Страница 42: ...General Outline Outdoor Units ESIE02 01 1 26 Part 1 System Outline 3 1 1 4 5...
Страница 49: ...ESIE02 01 General Outline Indoor Units Part 1 System Outline 1 33 3 1 4 5...
Страница 72: ...General Outline Indoor Units ESIE02 01 1 56 Part 1 System Outline 3 1 1 4 5...
Страница 86: ...Specifications ESIE02 01 1 70 Part 1 System Outline 3 1 1 4 5...
Страница 110: ...ESIE02 01 1 94 Part 1 System Outline...
Страница 130: ...Switch Box Layout ESIE02 01 1 114 Part 1 System Outline 3 1 1 4 5...
Страница 180: ...PCB Layout ESIE02 01 1 164 Part 1 System Outline 3 1 1 4 5...
Страница 182: ...ESIE02 01 2 2 Part 2 Functional Description 3 1 2 5...
Страница 204: ...General Functionality ESIE02 01 2 24 Part 2 Functional Description 3 1 2 4 5...
Страница 216: ...Overview of the cooling mode functions ESIE02 01 2 36 Part 2 Functional Description 3 1 2 4 5...
Страница 232: ...ESIE02 01 3 2 Part 3 Troubleshooting 3 1 3 5...
Страница 294: ...Error Codes System Malfunctions ESIE02 01 3 64 Part 3 Troubleshooting 3 1 3 4 5...