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Overview of the heating mode functions
ESIE02–01
2–46
Part 2 – Functional Description
3
1
2
4
5
3.7
Starting Outdoor Fan Control in Heating Mode
Applicable units
RYP71-250B
Purpose
The purpose of the starting outdoor fan control is to control the fan speed in function of the indoor and
outdoor unit air temperature.
Method
The illustration below shows the fan starting control in heating mode.
■
LPS is not detected for 3 min after start-up.
■
The starting fan speed lasts 5 min. When the outside temperature is 10˚C or lower, the fan speed
stays at H for the first 5 s if it is switched from OFF to L.
Different fan
speeds
The table below explains the meaning of L, H and HH fan speed.
Used input
The outdoor fan starting control in heating mode uses the following inputs:
9
4.5
-1
17
24
OFF
OFF
OFF
H
RYP71-125B: OFF
RYP200-250B: L
H
OFF
HH
H
L
Outdoor unit air
temperature
Indoor unit air
temperature
Fan operation
71
100 and 125
200 and 250
1 fan
Upper fan
(MF1)
Lower fan
(MF2)
Fan 1
Fan 2
OFF
OFF
OFF
OFF
OFF
OFF
L
L
L
L
H
OFF
H
H
H
H
H
H
HH
HH
HH
HH
H
H
Input
Connection on
indoor PCB
Connection on
outdoor PCB
Outdoor thermistor
—
R1T
Suction thermistor
R1T
—
Summary of Contents for FHC45BZ7V1
Page 1: ...ESIE02 01 Service Manual Sky Air R 407C B series SV p p p...
Page 2: ......
Page 3: ...ESIE02 01 Service Manual Sky Air R 407C B series SV p p p...
Page 4: ......
Page 16: ...Introduction ESIE02 01 xii 3 1 4 5...
Page 18: ...ESIE02 01 1 2 Part 1 System Outline 3 1 1 5...
Page 42: ...General Outline Outdoor Units ESIE02 01 1 26 Part 1 System Outline 3 1 1 4 5...
Page 49: ...ESIE02 01 General Outline Indoor Units Part 1 System Outline 1 33 3 1 4 5...
Page 72: ...General Outline Indoor Units ESIE02 01 1 56 Part 1 System Outline 3 1 1 4 5...
Page 86: ...Specifications ESIE02 01 1 70 Part 1 System Outline 3 1 1 4 5...
Page 110: ...ESIE02 01 1 94 Part 1 System Outline...
Page 130: ...Switch Box Layout ESIE02 01 1 114 Part 1 System Outline 3 1 1 4 5...
Page 180: ...PCB Layout ESIE02 01 1 164 Part 1 System Outline 3 1 1 4 5...
Page 182: ...ESIE02 01 2 2 Part 2 Functional Description 3 1 2 5...
Page 204: ...General Functionality ESIE02 01 2 24 Part 2 Functional Description 3 1 2 4 5...
Page 216: ...Overview of the cooling mode functions ESIE02 01 2 36 Part 2 Functional Description 3 1 2 4 5...
Page 232: ...ESIE02 01 3 2 Part 3 Troubleshooting 3 1 3 5...
Page 294: ...Error Codes System Malfunctions ESIE02 01 3 64 Part 3 Troubleshooting 3 1 3 4 5...