Electra OU10-36 ST Service Manual download pdf (Page 78)

13-7

CONTROL SYSTEM

SM DNGRPM 1-E.4 GB

13.4 Cooling

Mode: Cool, Auto (at Cooling)

Temp: Selected desired temperature.

Fan: HIGH, MED, and LOW

Timer: Any

I Feel: On or Off

Control function

Maintains room temp at desired level by comparing RT and SPT.

(RT - SPT) [

-1

-2

OFF

USER FAN SPEED

OFF

COMP

(WVL)

OFAN

IFAN

Note:

1) IFAN is always running at High, Medium or Low speed selected by user.

2) In IFEEL mode, the Room Temperature (RT) is the RCT from an R/C.

Otherwise, the RT is the RAT from the Room Thermistor.

CONTENTS

1 2 ... 73 74 75 76 77 78 79 80 81 82 83 ... 159 160

DNG Series 1
Table of Contents 3
1. INTRODUCTION 4
1.3 Indoor Unit 5
1.4 Filtration 5
1.5 Ionizer (Optional) 5
1.6 Control 5
1.7 Outdoor Unit 6
1.8 Tubing Connections 6
1.9 Accessories 6
1.10 Inbox Documentation 6
2. PRODUCT DATA SHEET 7
2.2 DNG 18 / GC 18T R410A 8
2.4 DNG 24 / OU7-24T R410A 10
CONTENTS 10
2.7 DNG 30 / OU8-30T R410A 13
2.8 DNG 37 / OU10-36 R410A 14
2.9 DNG 37 / OU10-36T R410A 15
2.11 DNG 44 / OU10-47T R410A 17
3. RATING CONDITIONS 18
4. OUTLINE DIMENSIONS 19
4.2 Outdoor Unit: GC 18 20
Outdoor Unit: OU7-24, OU7-24Z 20
4.4 Outdoor Unit: OU8-33 21
Outdoor Unit: OU10 36, 42, 47 21
5.1 DNG 18 / GC18 1PH / 3PH 22
5.3.1 Cooling 24
Outdoor Temp.( WB 25
Discharge Pressure(Bar[g]) 25
5.6.1 Cooling 28
5.9 Pressure Curves 32
5.10 DNG 37 / OU10- 36 1PH 34
5.12 DNG 37 / OU10- 36 3PH 36
5.17 Pressure Curves 42
5.18 DNG 44 / OU10-47T 44
5.20 Pressure Curves 46
6. AIRFLOW CURVES 48
Operating range 48
7.1 Sound Pressure Level 51
7.3 Outdoor units 53
8. ELECTRICAL DATA 57
9. WIRING DIAGRAMS 58
9.4 Indoor Unit: DNG 44 59
9.5 Outdoor Unit: GC 18 1PH 60
9.6 Outdoor Unit: GC 18 3PH 60
10. ELECTRICAL CONNECTIONS 64
10.3 DNG 24, 30, 37, 44 3PH 65
11. REFRIGERATION DIAGRAMS 66
11.2 Heat Pump Models 67
11.3 Heat Pump Models 69
11.4 Cooling Model Only 70
12. TUBING CONNECTIONS 71
¼” ⅜” ½” ⅝” ¾” 71
13. CONTROL SYSTEM 72
14. TROUBLESHOOTING 102
15.2 Indoor Unit: DNG 18 105
15.3 Indoor Unit: DNG 24 105
15.4 Indoor Unit: DNG 30 106
15.5 Indoor Unit: DNG 37 106
15.6 Indoor Unit: DNG 44 107
SM DNGRPM 1-E.4 GB 117
*Optional 118
No. Part No. Description Qty 149
16. OPTIONAL ACCESSORIES 150
OPTIONAL ACCESSORIES 151
APPENDIX A 160

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Electra OU10-36 ST Service Manual Page 78

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